{
    "source": "https://status.search.google.com/",
    "compiled_by": "https://seo-serps.info/google-algorithm-updates",
    "generated": "2026-08-29T23:35:04+00:00",
    "note": "Rollout durations are computed from Google's published start and end times.",
    "count": 73,
    "updates": [
        {
            "name": "August 2026 spam update",
            "type": "Spam update",
            "started_utc": "2026-08-18T16:27:00+00:00",
            "finished_utc": "2026-08-21T08:49:00+00:00",
            "rollout_days": 2.680000000000000159872115546022541821002960205078125,
            "rollout_human": "2 days, 16h",
            "ongoing": false,
            "source": "Google Search Status API",
            "date_precision": "exact",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": "https://status.search.google.com/incidents/LEubPCm2octf2uMqCFKE"
        },
        {
            "name": "June 2026 spam update",
            "type": "Spam update",
            "started_utc": "2026-06-24T16:00:00+00:00",
            "finished_utc": "2026-06-26T17:00:00+00:00",
            "rollout_days": 2.04000000000000003552713678800500929355621337890625,
            "rollout_human": "2 days, 1h",
            "ongoing": false,
            "source": "Google Search Status API",
            "date_precision": "exact",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": "https://status.search.google.com/incidents/YUX1peHev5a4fkxLDiUQ"
        },
        {
            "name": "May 2026 core update",
            "type": "Core update",
            "started_utc": "2026-05-21T15:40:00+00:00",
            "finished_utc": "2026-06-02T12:40:00+00:00",
            "rollout_days": 11.8800000000000007815970093361102044582366943359375,
            "rollout_human": "11 days, 21h",
            "ongoing": false,
            "source": "Google Search Status API",
            "date_precision": "exact",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": "https://status.search.google.com/incidents/wdAXJk6LRRihEjpzEeWE"
        },
        {
            "name": "March 2026 core update",
            "type": "Core update",
            "started_utc": "2026-03-27T09:00:00+00:00",
            "finished_utc": "2026-04-08T13:00:00+00:00",
            "rollout_days": 12.1699999999999999289457264239899814128875732421875,
            "rollout_human": "12 days, 4h",
            "ongoing": false,
            "source": "Google Search Status API",
            "date_precision": "exact",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": "https://status.search.google.com/incidents/7eTbAa2jWdToLkraZj5y"
        },
        {
            "name": "March 2026 spam update",
            "type": "Spam update",
            "started_utc": "2026-03-24T19:00:00+00:00",
            "finished_utc": "2026-03-25T14:30:00+00:00",
            "rollout_days": 0.810000000000000053290705182007513940334320068359375,
            "rollout_human": "19h 30m",
            "ongoing": false,
            "source": "Google Search Status API",
            "date_precision": "exact",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": "https://status.search.google.com/incidents/VbnSXAH4SmEcxPtx4YSD"
        },
        {
            "name": "Serving was experiencing an issue",
            "type": "Serving",
            "started_utc": "2026-02-25T03:55:00+00:00",
            "finished_utc": "2026-02-25T04:10:00+00:00",
            "rollout_days": 0.01000000000000000020816681711721685132943093776702880859375,
            "rollout_human": "15 min",
            "ongoing": false,
            "source": "Google Search Status API",
            "date_precision": "exact",
            "name_provenance": "google",
            "affected_systems": [
                "Serving"
            ],
            "google_incident": "https://status.search.google.com/incidents/TZF4pLmbzFdoBPP6o3iv"
        },
        {
            "name": "February 2026 Discover update",
            "type": "Discover update",
            "started_utc": "2026-02-05T17:00:00+00:00",
            "finished_utc": "2026-02-27T10:00:00+00:00",
            "rollout_days": 21.71000000000000085265128291212022304534912109375,
            "rollout_human": "21 days, 17h",
            "ongoing": false,
            "source": "Google Search Status API",
            "date_precision": "exact",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": "https://status.search.google.com/incidents/mYbNTqV1ytDc2fA8hUz4"
        },
        {
            "name": "December 2025 core update",
            "type": "Core update",
            "started_utc": "2025-12-11T17:25:00+00:00",
            "finished_utc": "2025-12-29T19:00:00+00:00",
            "rollout_days": 18.07000000000000028421709430404007434844970703125,
            "rollout_human": "18 days, 1h",
            "ongoing": false,
            "source": "Google Search Status API",
            "date_precision": "exact",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": "https://status.search.google.com/incidents/DsirqJ1gpPRgVQeccPRv"
        },
        {
            "name": "Serving is experiencing an ongoing issue",
            "type": "Serving",
            "started_utc": "2025-10-03T20:00:00+00:00",
            "finished_utc": "2025-10-06T20:40:00+00:00",
            "rollout_days": 3.029999999999999804600747665972448885440826416015625,
            "rollout_human": "3 days",
            "ongoing": false,
            "source": "Google Search Status API",
            "date_precision": "exact",
            "name_provenance": "google",
            "affected_systems": [
                "Serving"
            ],
            "google_incident": "https://status.search.google.com/incidents/pW6WN7Ymo49q7z8pKk9w"
        },
        {
            "name": "August 2025 spam update",
            "type": "Spam update",
            "started_utc": "2025-08-26T16:00:00+00:00",
            "finished_utc": "2025-09-22T07:00:00+00:00",
            "rollout_days": 26.629999999999999005240169935859739780426025390625,
            "rollout_human": "26 days, 15h",
            "ongoing": false,
            "source": "Google Search Status API",
            "date_precision": "exact",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": "https://status.search.google.com/incidents/a7Aainy6E9rZsmfq82xt"
        },
        {
            "name": "June 2025 core update",
            "type": "Core update",
            "started_utc": "2025-06-30T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "March 2025 core update",
            "type": "Core update",
            "started_utc": "2025-03-13T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "December 2024 spam update",
            "type": "Spam update",
            "started_utc": "2024-12-19T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "December 2024 core update",
            "type": "Core update",
            "started_utc": "2024-12-12T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "November 2024 core update",
            "type": "Core update",
            "started_utc": "2024-11-11T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "August 2024 core update",
            "type": "Core update",
            "started_utc": "2024-08-15T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "June 2024 spam update",
            "type": "Spam update",
            "started_utc": "2024-06-20T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "March 2024 core update",
            "type": "Core update",
            "started_utc": "2024-03-05T00:00:00+00:00",
            "finished_utc": "2024-04-19T23:59:59+00:00",
            "rollout_days": 46,
            "rollout_human": "46 days",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "March 2024 spam update",
            "type": "Spam update",
            "started_utc": "2024-03-05T00:00:00+00:00",
            "finished_utc": "2024-03-20T23:59:59+00:00",
            "rollout_days": 16,
            "rollout_human": "16 days",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "November 2023 reviews update",
            "type": "Reviews update",
            "started_utc": "2023-11-08T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "November 2023 core update",
            "type": "Core update",
            "started_utc": "2023-11-02T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "October 2023 core update",
            "type": "Core update",
            "started_utc": "2023-10-05T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "October 2023 spam update",
            "type": "Spam update",
            "started_utc": "2023-10-04T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "September 2023 helpful content update",
            "type": "Helpful content",
            "started_utc": "2023-09-14T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "August 2023 core update",
            "type": "Core update",
            "started_utc": "2023-08-22T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "April 2023 reviews update",
            "type": "Reviews update",
            "started_utc": "2023-04-12T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "March 2023 core update",
            "type": "Core update",
            "started_utc": "2023-03-15T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "December 2022 link spam update",
            "type": "Link spam update",
            "started_utc": "2022-12-14T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "December 2022 helpful content update",
            "type": "Helpful content",
            "started_utc": "2022-12-05T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "October 2022 spam update",
            "type": "Spam update",
            "started_utc": "2022-10-19T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "September 2022 core update",
            "type": "Core update",
            "started_utc": "2022-09-12T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Helpful content update",
            "type": "Helpful content",
            "started_utc": "2022-08-25T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "May 2022 core update",
            "type": "Core update",
            "started_utc": "2022-05-25T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "November 2021 core update",
            "type": "Core update",
            "started_utc": "2021-11-17T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Link spam update",
            "type": "Link spam update",
            "started_utc": "2021-07-26T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "July 2021 core update",
            "type": "Core update",
            "started_utc": "2021-07-01T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Page experience update",
            "type": "Ranking signal",
            "started_utc": "2021-06-15T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "June 2021 core update",
            "type": "Core update",
            "started_utc": "2021-06-02T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Product reviews update",
            "type": "Reviews update",
            "started_utc": "2021-04-08T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Passage ranking",
            "type": "Ranking update",
            "started_utc": "2021-02-10T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "December 2020 core update",
            "type": "Core update",
            "started_utc": "2020-12-03T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "May 2020 core update",
            "type": "Core update",
            "started_utc": "2020-05-04T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "January 2020 core update",
            "type": "Core update",
            "started_utc": "2020-01-13T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "BERT",
            "type": "Core update",
            "started_utc": "2019-10-25T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "September 2019 core update",
            "type": "Core update",
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            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Site diversity update",
            "type": "Ranking update",
            "started_utc": "2019-06-06T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "June 2019 core update",
            "type": "Core update",
            "started_utc": "2019-06-03T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "March 2019 core update",
            "type": "Core update",
            "started_utc": "2019-03-12T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "August 2018 core update (\"Medic\")",
            "type": "Core update",
            "started_utc": "2018-08-01T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Speed update",
            "type": "Ranking signal",
            "started_utc": "2018-07-09T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Mobile-first indexing rollout",
            "type": "Indexing change",
            "started_utc": "2018-03-26T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Fred",
            "type": "Quality update",
            "started_utc": "2017-03-08T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "industry",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Intrusive interstitials penalty",
            "type": "Ranking signal",
            "started_utc": "2017-01-10T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Penguin 4.0",
            "type": "Link spam update",
            "started_utc": "2016-09-23T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Possum",
            "type": "Local update",
            "started_utc": "2016-09-01T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "month",
            "name_provenance": "industry",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "RankBrain",
            "type": "Core update",
            "started_utc": "2015-10-26T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Panda 4.2",
            "type": "Quality update",
            "started_utc": "2015-07-17T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "The Quality Update (\"Phantom 2\")",
            "type": "Quality update",
            "started_utc": "2015-05-01T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "month",
            "name_provenance": "industry",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Mobile-friendly update (\"Mobilegeddon\")",
            "type": "Ranking signal",
            "started_utc": "2015-04-21T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Penguin 3.0",
            "type": "Link spam update",
            "started_utc": "2014-10-17T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "HTTPS as a ranking signal",
            "type": "Ranking signal",
            "started_utc": "2014-08-06T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": "https://developers.google.com/search/blog/2014/08/https-as-ranking-signal"
        },
        {
            "name": "Pigeon",
            "type": "Local update",
            "started_utc": "2014-07-24T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "industry",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Panda 4.0",
            "type": "Quality update",
            "started_utc": "2014-05-19T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Hummingbird",
            "type": "Core update",
            "started_utc": "2013-09-26T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Payday Loan",
            "type": "Spam update",
            "started_utc": "2013-06-11T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Penguin 2.0",
            "type": "Link spam update",
            "started_utc": "2013-05-22T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Exact Match Domain (EMD)",
            "type": "Spam update",
            "started_utc": "2012-09-28T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Pirate",
            "type": "Spam update",
            "started_utc": "2012-08-01T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "month",
            "name_provenance": "industry",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Penguin",
            "type": "Link spam update",
            "started_utc": "2012-04-24T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Venice",
            "type": "Local update",
            "started_utc": "2012-02-01T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "month",
            "name_provenance": "industry",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Freshness update",
            "type": "Ranking update",
            "started_utc": "2011-11-03T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Panda 2.0",
            "type": "Quality update",
            "started_utc": "2011-04-11T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": ""
        },
        {
            "name": "Panda",
            "type": "Quality update",
            "started_utc": "2011-02-24T00:00:00+00:00",
            "finished_utc": null,
            "rollout_days": null,
            "rollout_human": "not recorded",
            "ongoing": false,
            "source": "compiled from public record",
            "date_precision": "day",
            "name_provenance": "google",
            "affected_systems": [
                "Ranking"
            ],
            "google_incident": "https://developers.google.com/search/blog/2011/05/more-guidance-on-building-high-quality"
        }
    ]
}