Back Button Hijacking: Audit Third-Party Scripts Before Google Treats It as Spam
Reproduce browser-history manipulation across real entry, consent, ad, and device states, then isolate the first- or third-party script that causes it.
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Google Site Moves: Domain-Variant Migration Matrix
Control a domain migration across www, non-www, HTTP, HTTPS and subdomains with a downloadable mapping, launch, verification and rollback matrix.
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Google Preferred Sources: Button, Deep Link and Measurement Guide
Implement Preferred Sources, distinguish it from Search Profiles, and manage the new multi-brand, article-card and 10,000-follower profile rules.
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How Google Chooses Image Thumbnails for Search and Discover
Use consistent preferred-image metadata, crawlable 1200-pixel sources, and crop-safe composition to improve image eligibility without assuming Google must select your asset.
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A URL Can Return HTTP 200 and Still Fail Before the Client Reads HTML
A reproducible client matrix shows Node rejecting oversized response headers before HTML while curl still succeeds, even though the server returns HTTP 200.
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Google AMP Direct Hosting: Run a 28-Field Publisher Audit
Audit publisher-hosted AMP responses after Google Search’s direct-delivery change, including parity, consent, analytics, performance and legacy cache dependencies.
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Google canonical recovery: compare crawl and country-page evidence
Track canonical changes with observation and country-pair worksheets. Compare release, crawl, locale signals and Google’s selected URL without promising recovery.
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ChatGPT Search Prompt Families: Run a 31-Field Visibility Study
Measure controlled ChatGPT Search runs with prompt families, frozen environments, repeated samples, citation review and separate referral evidence.
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Google Search Console Platform Properties: Measure Instagram, TikTok, X and YouTube
Use Google Search Console platform properties to measure Instagram, TikTok, X, and YouTube appearances across Search, Discover, and News without mixing incompatible metrics.
