Technical

HTTP Status Codes

HTTP status codes are server responses that indicate whether a request succeeded, redirected, or failed.

Quick Answer

  • What it is: HTTP status codes are server responses that indicate whether a request succeeded, redirected, or failed.
  • Why it matters: Ensures search engines can crawl, index, and trust your site at scale.
  • How to check or improve: Check crawling directives, canonical tags, and response codes.

When you'd use this

Ensures search engines can crawl, index, and trust your site at scale.

Example scenario

Hypothetical scenario (not a real company)

A team might use HTTP Status Codes when Check crawling directives, canonical tags, and response codes.

Common mistakes

  • Confusing HTTP Status Codes with Indexability: The ability of a web page to be added to a search engine's index, determined by technical factors like robots directives, canonical tags, and crawlability.
  • Confusing HTTP Status Codes with Canonical URL: The preferred version of a web page specified using the rel=canonical tag, telling search engines which URL to index when duplicate or similar content exists.

How to measure or implement

  • Check crawling directives, canonical tags, and response codes

Check your site's indexability with Rankwise

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Updated Jan 17, 2026·3 min read

Why this matters

HTTP Status Codes affects how search engines interpret and prioritize your pages in competitive results. Teams that ignore http status codes often see unstable rankings and wasted crawl budget. Strong http status codes decisions compound because they reduce ambiguity and improve consistency across templates.

Common reasons issues show up

  • HTTP Status Codes is implemented differently across sections of the site
  • Signals related to http status codes conflict with canonical or index directives
  • Updates are made without validating http status codes in Search Console

Common mistakes

  • Over-optimizing http status codes without checking intent alignment
  • Using http status codes signals that conflict with canonical URLs
  • Leaving outdated http status codes rules in production
  • Relying on assumptions instead of verifying http status codes behavior in tools
  • Treating http status codes as a one-time task instead of ongoing maintenance

How to check or improve HTTP Status Codes (quick checklist)

  1. Review your current http status codes setup for accuracy and consistency.
  2. Validate http status codes in your most important templates and pages.
  3. Monitor changes in Search Console or analytics after updates.
  4. Document how http status codes should be implemented for future updates.

Examples

Example 1: A site fixes http status codes issues and sees more stable indexing within a few weeks. Example 2: A team audits http status codes and uncovers conflicts that were suppressing rankings.

FAQs

What is HTTP Status Codes?

HTTP Status Codes focuses on aligning signals so search engines and users interpret your page correctly. This keeps http status codes aligned with intent and technical signals.

How do I validate http status codes?

Use Search Console, site crawlers, and template checks to confirm http status codes is implemented correctly. This keeps http status codes aligned with intent and technical signals.

Can http status codes affect rankings?

Yes. HTTP Status Codes influences how search engines interpret relevance and quality signals. This keeps http status codes aligned with intent and technical signals.

How often should I review http status codes?

Review it after major releases and at least quarterly for critical pages. This keeps http status codes aligned with intent and technical signals.

  • Guide: /resources/guides/robots-txt-for-ai-crawlers
  • Template: /templates/definitive-guide
  • Use case: /use-cases/saas-companies
  • Glossary:
    • /glossary/indexability
    • /glossary/canonical-url

HTTP Status Codes improvements compound over time because they clarify signals and reduce ambiguity for crawlers and users. Use the checklist to prioritize fixes and document changes so the team can maintain consistency across releases.

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