checks service

HTTP/TLS checks, response timing, and monitoring primitives. Browse the catalog below and pick the helpers that fit your workflow.

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Every helper runs with the same simple API key. Sign in (or create a free Dataczar account) at Dataczar Connect to issue keys in seconds, then drop the key into any `ak=` parameter and start shipping.

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Tip: reuse the same key across these helpers, or rotate keys per project from the Connect dashboard.

GETPOSTVerify CSS/JS/image assets are present on a page.

Fetches the target HTML, counts stylesheets, script tags, and images, and reports any missing asset types that you mark as required.

GETPOSTSimple status check alias that reports final status and headers.

Simple status check alias that reports final status and headers.

GETPOSTCheck whether the response body contains a substring.

Check whether the response body contains a substring.

GETPOSTRun a regex against the body and report the first match.

Run a regex against the body and report the first match.

GETPOSTInspect canonical <link> tags and compare to an expected host.

Pulls the page HTML, extracts every canonical link, and flags mismatched hostnames so SEO reviewers can confirm canonicalization.

GETPOSTFetch and confirm the status code matches the expected value.

Fetch and confirm the status code matches the expected value.

GETPOSTCalculate the Flesch Reading Ease score for any page.

Counts words, sentences, and estimated syllables from the page text to produce a readability score (0-100).

GETPOSTExtract every H1/H2/H3 heading from a page.

Returns ordered headings so SEO reviewers can confirm there is exactly one H1 and that the outline matches expectations.

GETPOSTMeasure HTML payload size and TTFB.

Reports the transfer size from headers, the decoded body size, and how long the request took so you can spot oversized landing pages.

GETPOSTEnsure required HTML tags exist and forbidden ones do not.

Ensure required HTML tags exist and forbidden ones do not.

GETPOSTFetch JSON and ensure required top-level keys are present.

Useful for smoke tests that confirm APIs return syntactically valid JSON and expose the fields your automation expects.

GETPOSTHead-request the first N links on a page and report broken URLs.

Crawls anchor tags, resolves relative URLs, runs HEAD requests, and returns the status code plus any failures so QA can catch broken navigation.

GETPOSTReturn the page's meta tags with optional filters.

Return the page's meta tags with optional filters.

GETPOSTReturn OpenGraph fields from a page.

Return OpenGraph fields from a page.

GETPOSTTrace redirect hops and timing.

Trace redirect hops and timing.

GETPOSTMeasure total response time and TTFB.

Measure total response time and TTFB.

GETPOSTAttempt a request multiple times until success.

Attempt a request multiple times until success.

GETPOSTFetch and parse robots.txt for each User-agent block.

Accepts either a full robots.txt URL or a site host, then reports the discovered user-agents and Allow/Disallow rules.

GETPOSTValidate sitemap XML and count entries.

Loads a sitemap URL (urlset or sitemapindex), parses the XML, and returns entry counts plus sample <loc> values.

GETPOSTFetch TLS certificate details for a host.

Fetch TLS certificate details for a host.

GETPOSTFetch a URL and report status, timing, and redirect info.

This GET-first endpoint downloads a public URL (HEAD+GET fallback) and returns status metadata, response headers, and optional body snippet. Useful for uptime checks and lightweight monitors.

GETPOSTMeasure time-to-first-byte for a URL.

Measure time-to-first-byte for a URL.

GETPOSTCount words and sentences on any HTML page.

Uses Dataczar's HTML-to-text routines to compute word counts so marketing teams can confirm copy length without pasting into a document editor.

GETPOSTParse XML input (inline or URL) and return the root tag.

Helps support teams confirm that webhook payloads or feeds are syntactically valid XML without writing ad-hoc scripts.