Use it for

  • In a sponsored Search Engine Land article published on 15 October 2026, Optmyzr reports an observational comparison of Google Ads accounts that used seasonality adjustments over Black Friday with accounts that did not. Its main sample covers 5,886 accounts in 2024, with comparisons across 2022 and 2023.
  • The study reports weaker efficiency among adjustment users and proposes reviewing whether predictable holiday demand already falls within Smart Bidding's historical learning. Its groups were not randomised: advertisers choosing adjustments may also have pursued more aggressive volume goals. The findings therefore do not establish that adjustments caused poorer performance or that every advertiser should disable them.
  • Use this as a planning and measurement reference when reviewing holiday bidding assumptions, account history and guardrails. The article includes analysis prompts and practical checks.
  • Research credit: Optmyzr, the article's named byline. Publisher: Search Engine Land. Shared by Frederick Vallaeys in the LinkedIn post below; a separate personal article byline is not established.
  • https://www.linkedin.com/posts/frederickvallaeys_searchenginelandcom-activity-7516631893228810240-_YGf

Before you open it

Public article; read the methodology and comparison-period definitions before applying the findings.

GIVE CREDIT WHERE IT BELONGS

The people behind the resource

Resource notes and library artwork curated by Paid Media Collective. The original work belongs to the contributors credited above. Inclusion does not imply a partnership or a member submission.

Check with the original publisher.

Source review and practical limitations

Provider overview reviewed · 17 October 2026. We reviewed the source to the level stated here; tools, courses and account workflows have not been tested end to end.

  • Editorial source summary; no code execution or hands-on test recorded.