B Evidence Grade B Graded accuracy verified by the review judge Safe to Cite Dated

80%

80% -- title tag retention rate for Google Search (2021-08)

Name: Title Tag Retention Rate Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-15

2021-08 · Google

Google's HTML title tags remain unchanged in 80% of cases under its updated title generation system.

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Attribution: Google View source

Lighthouse Research Team

Last verified: 2026-09-15 · How we verify data →

Source verified Evidence graded

Value

80%

Unit

Percentage

Data Vintage

2021-08

Entity

Google Search

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

Google Primary Tier B

https://marketingwsieci.pl/podsumowanie-miesiaca-w-e-commerce-sierpien-2021/ ↗

Confidence: 28/100 Vintage: 2021-08 Channel: Deep Crawl

Source Article

🥇 Podsumowanie miesiąca w e-commerce: sierpień 2021 - Marketing w sieci - blog o marketingu internetowym!

Podsumowanie miesiąca w e-commerce: sierpień 2021 Co działo się w branży e-commerce w sierpniu 2021? W podsumowaniu tym dowiesz się o ostatnich najważniejszych wydarzeniach ze świata handlu. Oprócz tego znajdziesz tu przydatne informacje z ciekawych raportów oraz nowe porady z najlepszych źródeł, kt…

Original Research

Google · Original study ↗

Methodology

Statement by Google's Danny Sullivan on the new page title generation system: HTML title tags will remain unchanged in 80% of cases; Google Search Central communication reported by the article

Methodology documented

Segmentation

Industrymarketing

Cite this stat

Plain Text

Google Search: 80% title tag retention rate. Source: Google (2021-08). Via Lighthouse Intelligence -- https://lighthousedata.io/data/google-title-tags-unchanged-80pct-2021

HTML Embed

<blockquote cite="https://lighthousedata.io/data/google-title-tags-unchanged-80pct-2021" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>80%</strong> -- title tag retention rate for Google Search<br><small>Source: Google (2021-08) · <a href="https://lighthousedata.io/data/google-title-tags-unchanged-80pct-2021" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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