Zero Snippet

HTTP status code checker for URLs, SEO, and production QA

Enter any public HTTP or HTTPS address and read the final HTTP status code after server-side redirect following—200 OK, 301 / 302 redirects, 404 Not Found, 403 Forbidden, 500 series errors, and more. Built for SEO audits, migration smoke tests, marketing link validation, and quick comparisons between the URL you typed and the final landing URL crawlers and CDNs observe.

How to use this HTTP response code checker

Paste a page, asset, or API path you care about. You may omit https://; we normalize to a valid URL before fetching. Click Check status to run a server-side GET with manual redirect handling. The headline number is the last status in the chain—the same end state many browsers reach after following Location redirects. When the final URL differs from what you entered, compare the two addresses and decide whether internal links, sitemap entries, or canonical tags should point at the destination directly.

For a tabular list of every hop with status and Location values, open our redirect chain checker. To inspect Cache-Control, Content-Security-Policy, Set-Cookie, and the rest of the header set on the final response, use the HTTP header checker. When you need to validate many links discovered on a single HTML page, run the broken link checker after structural or CMS changes.

Guide: common HTTP status codes for SEO and ops

  • 2xx success — 200 is the typical OK for HTML and APIs; 204 is common for successful requests with no body. Search engines can index 200 responses that return indexable content.
  • 301 / 308 — permanent moves. Use for durable URL changes; update internal links to reduce hops.
  • 302 / 307 — temporary moves. Fine for short campaigns; avoid leaving temporary redirects on long-lived URLs you intend to retire.
  • 404 / 410 — missing or intentionally removed content. Fix inbound links and sitemap entries; consider 410 when removal is permanent and explicit.
  • 403 — understood but refused. Often WAF, geo, or auth. Align automated checks with what real users should experience.
  • 5xx — server-side failure. Treat as incidents: they hurt crawl efficiency and user trust until resolved.

When to pair this tool with DNS, TLS, and WHOIS checks

Status codes describe the HTTP layer only. If you see unexpected redirects or TLS errors in the browser, validate hostname resolution with the DNS lookup tool, certificate validity with the SSL certificate checker, and registration context with WHOIS lookup or domain age checker when you are vetting a property end to end.

Crawler and bot considerations

Automated probes may receive different responses than logged-in users or certain geographic regions. Always reconcile this checker with your CDN analytics, origin access logs, and robots.txt rules when diagnosing why search engines report crawl anomalies or soft 404 behavior.

Related free tools

Browse the full website and URL tools section on the home page, or open a focused utility below.

  • Broken Link Checker — Scan outbound links from any URL for 404s and broken hrefs—paste a page and audit links in seconds.
  • HTTP Header Checker — Inspect HTTP response headers for any URL: cache control, content-type, CORS, and security-related values.
  • Redirect Chain Checker — Trace the full redirect path to the final URL and spot unnecessary hops hurting SEO and performance.
  • SSL Certificate Checker — Verify TLS certificate validity, expiry, issuer, and chain for any domain before users hit errors.
  • DNS Lookup Tool — Query A, AAAA, MX, CNAME, TXT, NS, and SOA records for troubleshooting email, hosting, and DNS.
  • WHOIS Lookup — Look up domain registration details: registrar, dates, and status for research and due diligence.
  • IP Address Lookup — Resolve IPv4 or IPv6 to geolocation, ISP, ASN, and hostname for network and fraud analysis.
  • Domain Age Checker — See how long a domain has been registered—useful for SEO trust signals and quick vetting.
  • Robots.txt Checker — Fetch and review robots.txt rules, directives, and sitemap lines to catch crawler misconfiguration.
  • Meta Tags Extractor — Extract title, meta description, Open Graph, Twitter Card, and canonical tags from any live URL.

Frequently asked questions

What is an HTTP status code?
An HTTP status code is a three-digit number the server returns with a response, such as 200 OK, 301 Moved Permanently, 404 Not Found, or 500 Internal Server Error. It tells clients and crawlers whether a request succeeded, was redirected, failed because of the client, or failed on the server.
Does this checker follow redirects?
Yes. We request your URL with manual redirect handling and record each hop until we reach a non-redirect response or hit safety limits. The prominent result is the final status after redirects—the same end state most browsers and many crawlers observe when they follow Location-based HTTP redirects.
How is this different from the redirect chain checker?
Both tools use the same underlying trace. The response code checker emphasizes the final HTTP status, a short interpretation, and quick validation for SEO and QA. The redirect chain checker is optimized for auditing every hop, Location headers, and long chains in detail.
Why might my status differ from what I see in a browser?
Geography, cookies, login state, bot protection, A/B splits, and JavaScript-rendered routing can change what you see locally. This tool performs server-side HTTP requests without your session. Use it as a technical baseline, then verify in your hosting logs, CDN dashboards, or Search Console when results disagree.
What do 301 vs 302 mean for SEO?
301 and 308 signal a permanent move; search engines typically consolidate signals toward the target URL. 302 and 307 signal a temporary move; the original URL may return, so equity may not consolidate the same way. For durable URL changes, prefer permanent redirects and update internal links to the final URL.
What does a 404 or 410 mean?
404 means the server could not find a resource for that URL. 410 Gone means the resource was intentionally removed and is not coming back. Both are client errors (4xx). For retired content, 410 can be clearer than 404 when appropriate; fix broken inbound links and sitemap entries either way.
Why am I seeing 403 Forbidden?
403 usually means the server understood the request but refuses to serve it—IP rules, WAF blocks, missing auth, or bot mitigation are common causes. Our requests use a fixed user agent and no cookies. If production users should see 200, adjust firewall or CDN rules and retest.
What does 5xx mean?
5xx codes indicate server-side failures: for example 500 Internal Server Error, 502 Bad Gateway, 503 Service Unavailable, or 504 Gateway Timeout. They are not caused by the checker itself; they reflect origin or upstream health, overload, or misconfiguration that you should fix in infrastructure or application logs.
Can I check private or localhost URLs?
No. For SSRF safety we only allow public http/https URLs whose hostnames resolve to non-private addresses. Use local curl or browser devtools on your own machine for internal endpoints.
Which HTTP method do you use?
We use GET with manual redirects so each hop is recorded reliably. Some APIs behave differently for HEAD; if you need header-level detail on the final response, use our HTTP header checker after you know the final URL.