This tools allow you to view the HTTP response headers that the web server returns when requesting a URL. The HTTP responses are shown in a pop-up window, displayed on the top right corner of the current page.
It works with HTTP and HTTPS URLs.
This add-on is also available for Opera browser at below link:
This page is part of the LegacyCollector website.
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open licenses to the best of our knowledge. If you are an author and would like anything removed,
then please write an e-mail to legacy [at] collector dot org.