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Easily check status codes, response headers, and redirect chains.
Select a User Agent
Change the User Agent to test the response under different strings.
Basic Authentication
Send the server authentication credentials (authorization header) for basic access authentication.
Optional Request Header
Add a custom header to the HTTP request.
HTTPS for schemeless URLs
Select which scheme (http:// or https://) is used for request URLs without a scheme (eg. www.google.com).
Throttle requests
Prevent a host or domain's web server from throwing errors or responding with status code 429 because too many requests are sent at once. By default, 100 requests are sent at the same time.
Validate SSL certificate
Validate the server's SSL certificate, and treat it as an error if there are any problems with it. (This includes self-signed certificates).
Encode URLs
Encode request URLs when URLs contain characters outside the ASCII set. The URL has to be converted into a valid ASCII format before it can be sent over the web.
Canonical domain
Check if a canonical version of a domain is chosen. For four versions (http or https and www or non-www) you can check if redirects are used to enforce a canonical domain. In addition to www, you can also check other subdomains by adding them in the field below.
Google Sheets export
Export of (filtered) request URLs, status codes, locations and error messages to a Google Sheets document. Create a new document in Google Sheets. Copy the URL from your browser and paste the URL in the field below.
CSV or XLS file download
Download URLs, status codes, redirect types and locations in CSV or XLS format.
Table display options
Some options that you can make the table information easier to work with.
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