HTTP Status Checker

Free online http status checker — quick is-it-up and status-code checks.

100% Private — Runs entirely in browserInstant calculation & resultFree, no sign-up

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Why check HTTP status codes with ToolJiffy HTTP Status Checker?

HTTP status codes returned by web servers inform browsers and search engine crawlers (Googlebot) about request results. Understanding whether a URL returns 200 OK, 301 Moved Permanently, 403 Forbidden, 404 Not Found, or 500 Internal Server Error is essential for debugging web application errors, monitoring server uptime, and fixing broken links. ToolJiffy HTTP Status Checker inspects status codes instantly in your browser.

Comprehensive HTTP Response Status Reporting: Inspects 1xx, 2xx, 3xx, 4xx, and 5xx HTTP response status codes.
301 Permanent vs 302 Temporary Redirect Inspection: Differentiates SEO-passing 301 redirects from temporary 302/307 redirects.
Response Header & Content-Type Inspection: Displays returned headers including Content-Type, Cache-Control, and Server.
100% On-Device Browser Security: Sends requests directly from browser memory without intermediate proxy tracking.

Browser-native Fetch API HTTP Inspection Engine

ToolJiffy's status checker sends asynchronous fetch() requests to target URLs. It evaluates response status codes, header maps, and connection timings against IANA HTTP Status Code specifications.

Whether testing web server deployment health, verifying API endpoints, or troubleshooting 500 server crashes, instant status code checking streamlines web development.

Client-side security for private URL testing

Testing HTTP status codes for internal API endpoints, staging web servers, or client links should never route requests through remote logging servers.

ToolJiffy operates on a zero-cloud architecture. All HTTP checks execute directly from your browser session. Your target URL history never leaves your device.

Step-by-step guide to checking HTTP status codes

Enter target URL: Type the full target URL (including https://) into the input field above.
Run status check: Click Check HTTP Status to send a request to the server.
Review status & headers: Inspect the numeric HTTP status code (e.g. 200 OK) and returned response headers.

Frequently asked questions

How does the HTTP Status Code Checker work in browser memory?

ToolJiffy sends client-side `fetch()` HEAD/GET requests to target URLs to inspect HTTP response status codes (200 OK, 301 Moved Permanently, 404 Not Found, 500 Internal Server Error) and response headers.

What are the main HTTP response status code categories?

Categories include 1xx (Informational), 2xx (Success, e.g. 200 OK, 201 Created), 3xx (Redirection, e.g. 301, 302, 307, 308), 4xx (Client Errors, e.g. 400, 401, 403, 404), and 5xx (Server Errors, e.g. 500, 502, 503, 504).

What is the difference between a 301 and 302 HTTP redirect?

A `301` status indicates a permanent redirect (passes SEO link authority). A `302` status indicates a temporary redirect (does not transfer long-term SEO authority).

Is my target URL request routed through any tracking server?

No, 100% private. Requests execute directly from your browser memory to the target endpoint. ToolJiffy logs zero URL history.

What causes a 404 Not Found HTTP status error?

A `404 Not Found` error occurs when a web server cannot locate the requested resource URL, typically due to deleted pages or broken links.

What causes a 500 Internal Server Error status?

A `500` error indicates an unhandled exception or crash on the remote web server during request processing.

Can I inspect response headers (Content-Type, Server, Cache-Control)?

Yes! ToolJiffy displays key HTTP response headers returned by the remote server.

Is ToolJiffy HTTP Status Checker free without limits?

Yes! ToolJiffy is 100% free with unlimited usages, zero account sign-ups, and zero watermarks.

Explore related developer tools

Check HTTP headers with HTTP Header Checker, trace redirects using Redirect Checker, scan broken links with Broken Link Checker, or query DNS with DNS Lookup.