Canonicalization
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…
- Все
- Getting Started 4
- Search Essentials 3
- Discover and Other Surfaces 3
- Structured Data 3
- URL Structure and Links 3
- Site Moves and Changes 3
- Page and Content Metadata 3
- Canonicalization 3
- Sitemaps 3 Crawler Management 3 robots.txt 2 JavaScript SEO 2 Ecommerce 2 Removals 2 Generative AI in Search 2 International and Multilingual 2 Preventing Abuse 2 How Search Works 2 Title Links and Snippets 2 Images in Search 2 Search Console 2 Page Experience 2 Ranking Systems and Updates 2 Sensitive and Explicit Content 1 Debugging Traffic Drops 1 Search Operators 1 Site Identity in Results 1 Videos in Search 1 Mobile-First Indexing 1 Helpful, People-First Content 1 Monitoring and Debugging 0 Ranking and Search Appearance 0 Site-Specific Guides 0 Crawling and Indexing 0 SEO Fundamentals 0
Crawler Management
Google Crawlers and How to Verify Them
Which user agents Google operates, and how to confirm a request claiming to be Googlebot really is.
JavaScript SEO
JavaScript SEO Basics
How Google processes JavaScript, why rendering is deferred, and the patterns that keep content invisible.
Page and Content Metadata
Meta Tags Google Actually Uses
The short list that has an effect, and the long list that does not.
Mobile-First Indexing
Mobile-First Indexing
Google indexes the mobile version. What that means for content parity and markup.
Site Moves and Changes
Redirects: Which Type, and What Google Does With It
Server-side, meta refresh and JavaScript redirects, and why one is clearly better than the others.
Removals
Removing Content from Google Search
Four mechanisms with very different speeds and permanence, picking the wrong one wastes weeks.
robots.txt
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.
Sitemaps
Sitemaps: What They Do and What They Do Not
A sitemap tells Google which URLs exist and when they changed. It does not force indexing, and it does not…
URL Structure and Links
URL Structure That Helps Rather Than Hurts
Readable URLs, parameter handling, and the encoding details that break links.
Crawler Management
Asking Google to Recrawl a URL
The two mechanisms available, their realistic limits, and why patience is usually the right answer.
Sitemaps
Building and Submitting a Sitemap
Formats, the submission methods that exist, and why one of them is no longer worth using.
JavaScript SEO
Fixing JavaScript Indexing Problems
A diagnostic order that finds the cause quickly instead of guessing.
robots.txt
How Google Interprets robots.txt
Matching rules, wildcards, precedence and the size limit, the details that decide whether your file does what you think.
Canonicalization
How to Specify a Canonical URL
Four methods, when each is appropriate, and the mistakes that make them backfire.
URL Structure and Links
Internal Linking and Link Text
The most underused ranking lever most sites already have.
Removals
Removing Outdated Content You Do Not Control
When the page has changed or gone but Google still shows the old version.
Site Moves and Changes
Site Moves With URL Changes
The sequence that preserves rankings when the address structure changes.
Page and Content Metadata
The Robots Meta Tag and X-Robots-Tag
Per-page indexing control, the directives available and the one combination that never works.
Site Moves and Changes
A/B Testing Without Damaging Search
How to run experiments so Google does not read them as cloaking.
Crawler Management
Diagnosing Crawl Errors
Reading what Search Console reports, and separating errors that matter from ones that are working as intended.
URL Structure and Links
File Types Google Can Index
Beyond HTML, PDFs, documents and the metadata that makes them findable.
Page and Content Metadata
Link Attributes: nofollow, sponsored, ugc
What each value signals since they became hints rather than directives.
Sitemaps
Sitemap Extensions: Image, Video and News
Extra markup inside a sitemap for media that Google cannot always discover from the page alone.
Canonicalization
Troubleshooting Canonical Problems
What to do when Google picks a different URL than the one you declared.