HTTP Cache Header Checker
Review Cache-Control, ETag, Expires, Age, Last-Modified and Vary headers.
Check CacheWebsite Tools
Calculate a supplied phrase frequency against readable text fetched from a public page. The check uses protected, rate-limited server requests and requires no paid…
Calculate a supplied phrase frequency against readable text fetched from a public page.
The public URL, domain, IP address, record type, or audit option requested by the checker.
Choose only the settings that apply to the result you need; leave optional controls unchanged when you are unsure.
Start the task and wait for the interface to return its result or a clear setup message.
Results can vary by location, cache, DNS propagation and temporary server conditions. Confirm important findings with the relevant host or service.
Review Cache-Control, ETag, Expires, Age, Last-Modified and Vary headers.
Check CacheInspect public response headers for cross-origin resource sharing declarations.
Check CORSFetch an XML sitemap or sitemap index and count its declared page locations.
Analyze SitemapReview HTTP status, robots directives, canonical URL and common page-level indexing blockers.
Check IndexabilityFind images with useful, empty or missing alt attributes on a public page.
Check Alt TextThe public URL, domain, IP address, record type, or audit option requested by the checker. Start with a representative input and use only the options needed for your intended result.
A point-in-time observation from the public target and the checks available on this page. Treat the output as a current diagnostic snapshot rather than a permanent guarantee.
Results can vary by location, cache, DNS propagation and temporary server conditions. Confirm important findings with the relevant host or service.
The checker uses the public target you enter to make a diagnostic request. Do not place credentials or private access tokens in a URL.
The page can be used without creating a visitor account. Your browser or device may limit unusually large files or demanding media jobs.
This Webpage Keyword Density Checker page is organised around the task described in the tool interface. Calculate a supplied phrase frequency against readable text fetched from a public page. The result changes when the source data or selected options change, so it is easy to run a second comparison.
The public URL, domain, IP address, record type, or audit option requested by the checker.
A point-in-time observation from the public target and the checks available on this page.
It can help when you need to run a fresh diagnostic after a hosting, DNS, certificate, redirect, content or performance change. Start with a representative input, inspect the first result, then adjust one setting at a time if you need a different outcome.
The checker uses the public target you enter to make a diagnostic request. Do not place credentials or private access tokens in a URL.