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Technical SEO
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Filter by topic: Technical SEO
The X-Robots-Tag Header: The noindex You Didn't See
The X-Robots-Tag header applies noindex from the HTTP response, so it never shows in your HTML. Where it hides, how to find it, and when to use it.
The noindex Tag: When to Use It and When It's Hurting You
What the noindex tag actually does, the pages it genuinely belongs on, and how a forgotten one quietly keeps good pages out of Google.
My Website Is Not Indexed on Google: Where to Start
A calm triage for a site Google has not indexed: confirm the facts, rule out site-level blockers, then work the remaining causes in order.
Why Is My Page Not Getting Indexed? 12 Real Reasons
Twelve concrete reasons Google leaves a page out of its index, grouped by cause, with the checks that show which one applies to your page.
Soft 404s: The Invisible Indexing Killer
A soft 404 returns a 200 code but tells Google the page is empty. How Google detects them, where they come from, and three honest ways to fix them.
IndexNow vs Google Indexing API: Which Should You Use?
How IndexNow and Google's Indexing API differ, who each one actually serves, and what to use when the index you care about is Google's.
Canonicalization: Why Google Indexes the 'Wrong' URL
Why Google sometimes indexes a different URL than the one you chose, how canonical signals really work, and how to see which version Google picked.
robots.txt Disallow: The Indexing Trap Most Sites Fall Into
Disallow blocks crawling, not indexing. How one robots.txt line leaves pages indexed without content, or hides them from Google entirely.
