What does Google say about SEO? /
John Mueller is one of Google's most active spokespeople on search engine optimization topics. As a Search Advocate, he regularly answers the SEO community's questions during Google Search Central sessions and on social media. His statements are a prime source of information for understanding how Google Search works and the best practices to follow.
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🕒 ~1 min 🎯 5 questions
★★★ Does Google Discover really use the same quality algorithms as traditional search?
Google Discover is part of the Search systems. It uses the same crawling, indexing, content understanding processes and the same quality algorithms as traditional search. Major algorithm updates for S...
Aug 21, 2020 ⚡ Analysis available
★★★ Do affiliate links really harm your website's SEO?
The presence of affiliate links on a site is not a sign of poor quality. Affiliate sites become problematic when they lack value-added content, for example, if they simply copy product feeds or genera...
Aug 21, 2020 ⚡ Analysis available
★★★ Should you still tag your affiliate links with rel=sponsored?
For common affiliate configurations (Amazon, Booking, eBay), Google already recognizes these URLs and treats them as nofollow links internally. Therefore, there is no risk of penalty if you have not a...
Aug 21, 2020 ⚡ Analysis available
★★★ Should you really add nofollow to footer links between sites of the same group?
If sites belong to the same company, there's no need to add the nofollow attribute to cross links in the footer. Google recommends linking primarily by brand name. For a handful of sites, it's no prob...
Aug 21, 2020 ⚡ Analysis available
★★ Can Google really treat URL changes made by JavaScript and the History API as redirects?
When JavaScript uses the History API to modify the URL after loading (e.g., simplifying parameters), Google may interpret this as a redirect to the new URL and choose it as canonical. This can be veri...
Aug 21, 2020 ⚡ Analysis available
★★★ Do cascading internal 301 redirects really drain SEO juice?
Even if internal navigation points to old URLs that redirect via 301, Google follows the chain and treats the link as going directly to the final destination (the canonical). No loss of value. Users c...
Aug 21, 2020 ⚡ Analysis available
★★ Should you really let Google decide your crawl limit?
There is no recommended request/second limit (e.g., 30 req/s). The Search Console setting is a high limit, not a target. Google recommends leaving it on 'Google decides' unless crawling overloads the ...
Aug 21, 2020 ⚡ Analysis available
★★ Is it really necessary to eliminate all duplicate content or should you rely on rel=canonical?
Completely eliminating duplicates is impractical for most sites, as it's normal on the web. Using rel=canonical helps Google focus on the main content. Both approaches (manual reduction + canonicaliza...
Aug 21, 2020 ⚡ Analysis available
★★★ Can a misconfigured sitemap really cut down your crawl budget?
A poorly configured sitemap (identical dates, etc.) does not penalize the site and does not reduce the crawl budget. Google will crawl organically rather than being guided by the sitemap. The crawl bu...
Aug 21, 2020 ⚡ Analysis available
★★★ Why does Google ignore the lastmod dates in your XML sitemap?
If all the URLs in a sitemap have the same modification date (e.g., today's date), Google ignores this information and uses the sitemap only to discover new URLs. The priority and changefreq fields ar...
Aug 21, 2020 ⚡ Analysis available
★★★ Do guest post links really have no SEO value?
If guest posts are created solely to obtain links, Google considers that these links probably have no ranking value. This position has been stable for several years....
Aug 21, 2020 ⚡ Analysis available
★★ Can a hacked site lose its crawl budget due to Google security alerts?
A hacked site with malware or phishing reported in Search Console will not see its crawl reduced. The impact is on display in the search results (warnings, filtering), not on the frequency or intensit...
Aug 21, 2020 ⚡ Analysis available
★★★ Does rel=canonical really protect your syndicated content from ranking theft?
When syndicating an article with rel=canonical, two outcomes are possible: either Google indexes both pages separately (risking the syndicator ranking better), or Google chooses a unique canonical. Th...
Aug 21, 2020 ⚡ Analysis available
★★★ Is advertising on your site harming your SEO?
Displaying ads is not an SEO problem in itself. Google checks that the main content remains visible above-the-fold (not just ads) and that the site adheres to the Better Ads Standard (otherwise, Chrom...
Aug 21, 2020 ⚡ Analysis available
★★ Is it really necessary to manually de-index your old pagination URLs?
When pagination is removed, old paginated URLs either return the homepage (automatically canonicalized) or a 404 (de-indexed upon recrawl). Google manages this naturally over time without any manual d...
Aug 21, 2020 ⚡ Analysis available
★★★ Why does Google measure Core Web Vitals on the actual page version your visitors are really viewing?
For Core Web Vitals (a future ranking signal, announced at least 6 months in advance), Google will analyze the page that real users predominantly view (AMP or standard HTML depending on the user journ...
Aug 21, 2020 ⚡ Analysis available
★★★ Is it true that AMP is a speed factor for Google?
AMP or non-AMP is not a speed criterion in itself: it is possible to create very fast pages without AMP and slow pages with AMP. Google measures the actual speed (future Core Web Vitals) of the versio...
Aug 21, 2020 ⚡ Analysis available
★★ Should you really implement hreflang on every page of a multilingual website?
It is perfectly acceptable to use hreflang only on certain pages (e.g., home, about) and not to use it on other pages of the same site (e.g., localized but untranslated blogs). Hreflang applies on a p...
Aug 21, 2020 ⚡ Analysis available
★★★ Is the rel=canonical really mandatory on all AMP pages, even standalone ones?
For paired AMPs (classic page + AMP), the canonical is required. For standalone AMPs (no classic version), the page must canonicalize to itself. This rule is independent of hreflang and translations....
Aug 21, 2020 ⚡ Analysis available
★★★ How does Google really discover your new URLs?
Google doesn't guess URLs: it discovers them through links (internal, sitemaps, RSS, tweets, public emails, etc.). There is no back-door access to the server. A URL mentioned nowhere will never be cra...
Aug 21, 2020 ⚡ Analysis available
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