What HTTP Headers is my browser sending?

Every time your web browser opens a web page, it sends a "request" for that page. Part of that request includes a series of "headers".

Here is the list of all the headers your browser sent when requesting this page.

There were 7 headers sent:

ACCEPT text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
HOST www.whatismybrowser.com
IF-MODIFIED-SINCE Sat, 25 Jan 2020 05:20:59 UTC
USER-AGENT CCBot/2.0 (https://commoncrawl.org/faq/)

These headers may vary from site to site (in particular the HOST and COOKIE headers!) depending on your settings.

If you're curious and want to learn more about HTTP (a protocol which the World Wide Web relies on) and HTTP Headers, please read the Wikipedia pages on Hypertext Transfer Protocol and List of HTTP header fields.

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