575 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Does a website use Microsoft IIS? Fetches the page (homepage for a bare domain) and matches Microsoft IIS's fingerprints in the HTML and response headers, returning yes/no with the evidence snippet and the category (serv...
Does a website use Varnish? Fetches the page (homepage for a bare domain) and matches Varnish's fingerprints in the HTML and response headers, returning yes/no with the evidence snippet and the category (cache). Technogr...
Does a website use LiteSpeed Cache? Fetches the page (homepage for a bare domain) and matches LiteSpeed Cache's fingerprints in the HTML and response headers, returning yes/no with the evidence snippet and the category (...
Does a website use F5 Shape? Fetches the page (homepage for a bare domain) and matches F5 Shape's fingerprints in the HTML and response headers, returning yes/no with the evidence snippet and the category (security). Tec...
Does a website use Beaver Builder? Fetches the page (homepage for a bare domain) and matches Beaver Builder's fingerprints in the HTML and response headers, returning yes/no with the evidence snippet and the category (pa...
Does a website use Open Graph tags? Fetches the page (homepage for a bare domain) and matches Open Graph tags's fingerprints in the HTML and response headers, returning yes/no with the evidence snippet and the category (...
The expect-ct response header of a URL: whether it is present, its value, and a one-line reading of what the value means (or the risk of its absence for security headers). One header, one answer, for audits and monitorin...
Does https://<domain>/apple-touch-icon.png exist? Requests the path and returns the HTTP status, content type, size and the first 300 characters when it is text. Presence of apple-touch-icon.png tells you about the site'...
Currency exchange rates and FX conversion, official ECB reference rates for USD, EUR, GBP, JPY and 25 more. Use to convert an amount between currencies with an official, citable rate: the European Central Bank's referenc...
Publisher discovery decision fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-...
Publisher discovery repair plan fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mo...
CCBot access repair plan fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-spec...
CCBot access audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific a...
Agent card discovery repair plan fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a m...
Agent card discovery decision fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode...
Agent card discovery audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-sp...
MCP discovery repair plan fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-spe...
Breached password check: is this password in known data breaches, and how often? Send only the SHA-1 hash (never the password); just the first 5 characters reach Have I Been Pwned (k-anonymity). Up to 50 hashes per call.
Generic crawler access decision fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mo...
Base transaction explained from the chain: success or reverted, block and time, from, to, ETH value, method selector, gas used and fee, contract created, and every ERC-20 transfer decoded with token symbol and amount. In...
Run fast HTML accessibility heuristics for language, title, headings, images, links, buttons, and form controls.
Is this website up? Checks if a URL is online right now and answers up/down with the HTTP status code, response time in ms, final URL after redirects, server header and, when HTTPS, the TLS certificate expiry. Use it to...
SEO audit of a web page with a 0-100 score and a ranked issues list: title and meta description length, H1 and heading structure, canonical tag, noindex, Open Graph and Twitter cards, image alt text, internal and externa...
Does a website use WordPress? Fetches the page (homepage for a bare domain) and matches WordPress's fingerprints in the HTML and response headers, returning yes/no with the evidence snippet and the category (CMS). Techno...