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    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-u… Read More
    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. Read Less
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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 extension is available at below links:
For Mozilla Firefox
For Opera