#Status codes
HTTP status codes tell browsers and crawlers what happened when a URL was requested. Articles tagged here explain 200, 301, 302, 404, 410, 500, 503 and the soft 404 problem. They show how each code affects crawling and indexing. Each guide explains how to find wrong status codes across a whole site. You will also learn which code to return for removed pages, maintenance windows and moved content. Correct status codes give search engines clear, honest signals.
2026/09/30 · 8分で読めますCustom 404 Pages: What a Helpful Not Found Page Needs
A custom 404 page must return the right status code and still help lost visitors. Learn how to set it up, test it and…
2026/09/30 · 8分で読めますAI Assistants Linking to Pages That Don’t Exist: What to Do
AI assistants sometimes send visitors to URLs your site never had, or to old ones. Learn how to find these 404s and which to…
2026/09/29 · 8分で読めますWebsite Downtime and SEO: What Outages Do to Rankings
What happens to rankings when a website goes down, how long is too long, how to handle planned maintenance with 503, and how to…
2026/09/10 · 7分で読めますOut-of-Stock and Discontinued Products: What to Do for SEO
Keep, redirect, 404 or 410? How to handle temporarily out-of-stock, discontinued and seasonal product pages without losing rankings or frustrating shoppers.
2026/09/08 · 7分で読めますHow to Remove a Page From Google Search, Step by Step
How to remove pages from Google: noindex, 404 or 410, redirects, the Removals tool and outdated content requests, and which method fits each situation.
2026/09/07 · 8分で読めますX-Robots-Tag: How to Control Indexing With HTTP Headers
X-Robots-Tag lets you set noindex and other directives in HTTP headers, including for PDFs and images. How to use it, where to set it…
2026/08/30 · 7分で読めますBroken Links: How to Find and Fix Them Across Your Site
Broken internal and external links frustrate visitors and waste crawling. Learn where they come from, how to find every one, and how to decide…
2026/08/13 · 7分で読めますHTTP Status Codes for SEO: The Ones That Actually Matter
A practical guide to HTTP status codes for SEO: what 200, 301, 302, 304, 404, 410, 429, 500 and 503 tell search engines and…
2026/08/11 · 7分で読めますSoft 404 Errors: What They Are and How to Fix Them
A soft 404 is a page that looks missing or empty but returns 200 OK. Learn the common causes, how to confirm them and…
2026/08/05 · 7分で読めます301 vs 302 Redirects: Which One to Use and When
301, 302, 307 and 308 redirects explained in plain words: what each tells search engines, when to use which, and the redirect mistakes that…
2026/08/04 · 7分で読めますRedirect Chains and Loops: How to Find and Fix Them
Redirect chains slow pages and waste crawl time; loops break them entirely. Learn how they form, how to find every one on your site…