Loading page
This may take a few seconds.
If reChecker is not working correctly, describe the problem and the page where it happened. Leave an email or phone number; we will reply after checking.
How to check a website, investigate errors and track changes.
Page 7
How to compare the same page with and without chat in a test, find the widget’s requests and costly execution, and check optimizations without losing the needed function.
How to replace a blanket redirect to the homepage with an accurate map of old and new pages. Find matching services, remove URLs without replacements, and check the resulting redirects.
How to replace the chain old URL → intermediate URL → new URL with a direct redirect. Check both old versions, the destination page, language, and significant parameters.
How to check direct access to Russian and English pages with different Accept-Language values, preserve language choice, and fix the switcher, canonical, and hreflang.
How to find lost variant, page, or UTM parameters during a redirect: check Location and the destination page in a clean session, and compare parameters on the old and new sites.
How to find a loop between example.com and m.example.com: save Location headers, retry from a phone without cookies, and check site-version and HTTPS-behind-a-proxy rules.
How to identify the CSS and JavaScript files a crawler needs to see a catalog, check restrictions on the main domain and CDN, and allow the necessary resources without making unnecessary changes.
How to check the dedicated Googlebot and YandexBot groups, Allow/Disallow overlaps, and directory accessibility. Why changing the User-Agent does not replace checking robots.txt.
How to add noindex to public pages, allow crawlers to read it, and verify the result. Why an account area must be protected with authentication.
How to compare robots.txt files on production and test sites, find the source of Disallow: / in the CMS or build, fix the file, and check the public response after release.
Open a tool for the task described in the article.