Official source
301, 302, 307, 308: Which redirect is the chosen one?
Covers the differences between 301, 302, 307 and 308 redirects and whether the choice affects which URL Google treats as canonical.
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10 chosen videos. Channel on YouTube
Official source
Covers the differences between 301, 302, 307 and 308 redirects and whether the choice affects which URL Google treats as canonical.
Official source
Covers how Google handles PDF files compared with HTML pages for indexing, ranking and AI features, in a discussion between two of its staff.
Official source
Asks whether XML sitemaps are still needed now crawlers and AI bots are more capable, and discusses the Couldn't fetch warning in Search Console.
Official source
Covers how to read the Page Indexing report in Search Console, and why pages listed as not indexed are not always a fault to fix.
Official source
Discusses myths about how often sites get crawled and what site quality means, and why crawling has become harder.
Official source
Covers how Google Search handles JavaScript sites, including whether every page is rendered and how long it takes.
Official source
Explains the steps of how Google Search crawls pages, from URL discovery to fetching and rendering.
Older: check current guidanceOfficial source
Tells a debugging story about an indexing challenge on a site that crawling tools could not crawl in full.
Older: check current guidanceOfficial source
Tells a debugging story of an online shop unable to take orders, traced back to hreflang.
Older: check current guidanceOfficial source
Goes through common myths about canonicalisation, with questions answered between a Google developer advocate and a technical SEO.
Older: check current guidance