canonical
Canonicalization: Choosing One URL Among Duplicates
When the same content is reachable from several addresses, Google picks one. Here is how that choice is made and…
- Todos
- crawling 11
- indexing 10
- search console 7
- sitemap 4
- canonical 4
- mobile 4
- policy 3
- robots.txt 3
- images 3 redirects 3 snippets 3 structured data 3 spam 2 penalty 2 ranking 2 quality 2 audit 2 video 2 verification 2 javascript 2 rendering 2 debugging 2 noindex 2 links 2 removals 2 migration 2 schema 2 product 2 recovery 2 traffic drop 2 multilingual 2 security 2 ecommerce 2 hreflang 2 search essentials 1 http status 1 crawl budget 1 large sites 1 content 1 E-E-A-T 1 AI content 1 AI features 1 AI Overviews 1 GEO 1 starter 1 basics 1 checklist 1 hiring 1 agency 1 maintenance 1 monitoring 1 housekeeping 1 tools 1 metrics 1 discovery 1 news 1 googlebot 1 errors 1 syntax 1 duplicate content 1 troubleshooting 1 meta tags 1 html 1 robots 1 nofollow 1 sponsored 1 urgent 1 outdated 1 cache 1 301 1 testing 1 cloaking 1 URL 1 structure 1 anchor text 1 PDF 1 file types 1 responsive 1 rich results 1 guidelines 1 faq 1 local business 1 title 1 SERP 1 meta description 1 featured snippet 1 alt text 1 image SEO 1 licensing 1 IPTC 1 metadata 1 key moments 1 core web vitals 1 performance 1 LCP 1 INP 1 CLS 1 interstitials 1 popups 1 algorithm 1 systems 1 core update 1 favicon 1 site name 1 sitelinks 1 discover 1 feed 1 translation 1 local 1 web stories 1 AMP 1 reports 1 analysis 1 CTR 1 operators 1 site: 1 diagnosis 1 hacked 1 malware 1 phishing 1 merchant 1 pagination 1 faceted navigation 1 international 1 localization 1 geotargeting 1 safesearch 1 explicit 1 classification 1
canonical
How to Specify a Canonical URL
Four methods, when each is appropriate, and the mistakes that make them backfire.
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A/B Testing Without Damaging Search
How to run experiments so Google does not read them as cloaking.
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Troubleshooting Canonical Problems
What to do when Google picks a different URL than the one you declared.