HTTP Status Checker – checks the HTTP status of a URL

If you need to check a URL's response code after changing the address, look beyond the initial response. If there's a redirect, check the final URL to ensure that the final destination exists and returns the expected HTTP response without any unnecessary intermediate hops.

Bulk URL Checking

Bulk HTTP Status Checker is convenient when working with hundreds of old or new addresses. Instead of manually opening each page, you can check the list with a single series of requests and then sort the results into 2xx, 3xx, 4xx, and 5xx groups.

This approach is useful for website migration, sitemap verification, monitoring old landing pages, and detecting broken links. Bulk checking of page response codes also helps double-check the implementation of redirects after the developer has completed the migration map tasks.

How to prepare a list of URLs for bulk checking?

Use full URLs and post each URL separately so that the results can be clearly matched to the original page. If you're testing a large sample, it makes sense to first separate it by page type: categories, cards, articles, service URLs, or old URLs after migration.

Avoid adding comments or arbitrary text to the list. If the tool limits the number of addresses per run, divide the data into several batches and maintain the same scanning order to make it easier to compare the results after corrections.

How do HTTP codes affect SEO?

A search robot begins crawling a page by receiving a server response. If the URL is unavailable, repeatedly returns an error, or is redirected unexpectedly, further processing of the page may differ from what was expected.

The HTTP response is reviewed alongside indexability, canonical, robots.txt, and the website's internal structure. Therefore, checking the HTTP status is part of a basic SEO audit and helps quickly isolate server issues from content errors.

Scanning and indexing

Googlebot and other search engine crawlers must retrieve the page at an accessible URL. For a typical indexed page, the expected result is usually 200, after which the crawler evaluates the content and additional technical signals.

If the URL returns a 404 or a lengthy 5xx response, the search engine robot isn't receiving a valid document. With a 3xx response, it follows redirect logic, so the destination and final response must be checked separately.

404 and broken internal links

Broken links impair navigation and force users to navigate to a missing resource. A large number of such links makes the site's technical structure more difficult to maintain, especially if the errors occur in menus, cards, or content blocks.

After a 404 error is detected, internal links and the URL source are checked. The link can be updated to the current page, deleted, restored to the previous resource, or a relevant redirect can be set up if a replacement for the old document does exist.

Redirects and URL changes

After website migration, redirect checks should be performed using a pre-prepared map of old and new URLs. This helps quickly identify missed URLs, accidental 302 responses, and redirect chains.

The same check is required after changing the domain, directory structure, or migrating from HTTP to HTTPS. The resulting page must match the previous intent and return the expected response after the transition is complete.

5xx server errors

Permanent 5xx errors make the page unavailable to both the visitor and the search engine. The cause may lie in the application, proxy, database, upstream service, or infrastructure.

Once an error is detected, it's important to check its repeatability and server logs. A single temporary glitch doesn't constitute a systemic issue, so a decision is made after reviewing multiple requests and the technical context.

When do you need Bulk HTTP Status Checker?

Bulk checking is useful when manually opening pages is too time-consuming. Bulk HTTP Status Checker helps break down a large list by code and quickly identify which URLs require attention first.

This format is used for technical audits, migrations, catalog checks, and re-checks after implementing changes. It is convenient for both one-time diagnostics and for comparing results before and after changes.

During a technical SEO audit

An SEO audit typically includes checking key landing pages, important sections, sitemap URLs, and internal link addresses. It's also helpful to highlight pages that have previously shown crawling or indexing issues.

HTTP Status Code Checker helps quickly categorize them by response type. 404 and 5xx responses can then be passed on to the developer, and redirects can be checked for relevance and the correctness of the final URL.

After moving or changing the site structure

After migration, old URLs often need to be redirected to new ones. A bulk check allows you to see which URLs actually return a 301, which ones still return a 302, and which ones return a 404 instead of a redirect.

The results are conveniently compared with a redirect map. For each pair, the source address, referral code, and final URL are checked to ensure the route ends with a working, relevant page.

When searching for broken pages

URL Status Checker helps you quickly find missing documents in a list of pages or links. After receiving a 404 error, you can't automatically redirect to the homepage: first, you need to determine whether the resource existed and whether there's a suitable replacement.

If the address is incorrect, the link is corrected. If the page has been moved, a relevant 301 response is configured. If the resource is deleted without an equivalent, a correct 404 or 410 may still be a valid technical response.

When bulk checking redirects

Checking redirects is especially useful after a major release or restructuring. The expected pattern for a permanent migration is simple: old URL → 301 → new URL → 200.

If the result differs, the route is checked manually. Redirect loops, redirects to an incorrect page, or long redirect chains require separate diagnostics of the server or application configuration.

What should I do if HTTP Status Checker finds an error?

The checker's result alone doesn't indicate which fix needs to be applied. First, the code is compared with the URL's destination, then the final page, internal links, and server settings are checked.

It is useful to work according to a simple scheme:

URL

├── 2xx → check content, canonical, and indexing

├── 3xx → check redirect type and final URL

├── 4xx → Check page existence and internal links

└── 5xx → check server, application, proxy, and logs

After correcting the address, you should check it again. This will ensure that the server response has changed, not just the page's appearance in the browser.

If the URL returns 3xx

First, check where the redirect leads and whether the destination page matches the original URL. Then, check for unnecessary intermediate transitions and whether the code used is permanent or temporary.

If the old URL is permanently replaced by a new one, the logic behind the permanent move is usually clearer. If the change is temporary, the corresponding temporary code should reflect the actual business logic of the page.

If the URL returns 404 or 410

For a 404 or 410, the fate of the previous page is first determined. If the resource should exist, the route or publishing issue is corrected; if the address has changed and there is a relevant replacement, a permanent redirect can be set up.

When a page is deleted without a suitable equivalent, it's acceptable to retain the correct error code. At the same time, outdated internal links should be removed to prevent visitors and search engine crawlers from navigating to the missing document.

If the URL returns 500, 502, 503, or 504

With a 5xx error, the problem is looked for on the infrastructure or application side. Server logs, proxy operation, upstream services, the database, resource limits, and timeouts are checked.

If the error occurs intermittently, it's helpful to retry the request several times. A persistent 503 and a single 503 during site maintenance require different responses and shouldn't be treated the same.

Why can one HTTP checker show 403, while a browser shows 200?

A server may respond differently to requests depending on the IP address, User Agent, country, frequency of requests, and security settings. A WAF or CDN may sometimes allow a regular browser request but block an automated GET or HEAD request.

Therefore, the 403 error in the report should be re-examined from a different environment. If the issue persists only for robots, the anti-bot protection rules and restrictions that may affect Googlebot should be analyzed separately.

HTTP Status Checker and other checking methods

The online checker is convenient for quick diagnostics, but it doesn't replace all technical analysis tools. Its purpose is to show the actual HTTP response and help understand the request's route to the final page.

For a more in-depth audit, use Search Console, server logs, crawler, and command-line tools. The choice depends on the question you need to answer.

HTTP Status Checker or browser

The browser displays the final page to the user and often automatically redirects, so intermediate responses may go unnoticed. HTTP Status Checker displays the technical result of the request and helps you see the code directly.

Just because a page opens visually doesn't mean the original URL responds with a 200 response. There may be one or more redirects between entering the URL and loading the document.

HTTP Status Checker or Google Search Console

Google Search Console shows how Google views and processes a specific URL, including indexing information. HTTP Status Checker answers a more specific question: what status code the server returns for the current request.

When indexing issues arise, these tools complement each other. You can first check the server response, then compare it with Search Console data and other technical signals.

HTTP Status Checker or curl

curl is convenient for developers and administrators because it allows them to manually manage requests and view the technical response from the command line. For a one-time check, this method requires more steps than an online service.

The online checker is more convenient when you need to quickly check one or several URLs without commands. For automation and in-depth server diagnostics, curl remains a more flexible option.