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1 errors 1 syntax 1 duplicate content 1 troubleshooting 1 meta tags 1 html 1 robots 1 nofollow 1 sponsored 1 urgent 1 outdated 1 cache 1 301 1 testing 1 cloaking 1 URL 1 structure 1 anchor text 1 PDF 1 file types 1 responsive 1 rich results 1 guidelines 1 faq 1 local business 1 title 1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
crawling
How Google Search Works: Crawling, Indexing, Serving
The three stages every page passes through, and what can go wrong at each one.
indexing
JavaScript SEO Basics
How Google processes JavaScript, why rendering is deferred, and the patterns that keep content invisible.
indexing
Mobile-First Indexing
Google indexes the mobile version. What that means for content parity and markup.
crawling
robots.txt: What It Controls and What It Does Not
The single most misunderstood file in SEO. It controls crawling, not indexing, and the difference matters.
indexing
Search Essentials: The Three Things Google Asks For
Technical requirements, spam policies and best practices, the baseline every site must meet before ranking is even a question.
crawling
Asking Google to Recrawl a URL
The two mechanisms available, their realistic limits, and why patience is usually the right answer.
crawling
Technical Requirements in Detail
The minimum a page must do to be eligible for Google Search, and the common ways sites accidentally fail them.
indexing
The Robots Meta Tag and X-Robots-Tag
Per-page indexing control, the directives available and the one combination that never works.
file types
File Types Google Can Index
Beyond HTML, PDFs, documents and the metadata that makes them findable.