port checker

Not sure what information is being passed by your web browser to a site you are visiting? This small utility displays all request headers being passed by a web request sent to portchekers.com

If-Modified-SinceWed, 24 Apr 2019 04:33:09 GMT
User-AgentCCBot/2.0 (https://commoncrawl.org/faq/)

Browser request to a web server

When you open a page through a browser, typing in the address bar, there is a connection to a remote server, usually to port 80. Such a request is called GET-request - this is one of the main types of HTTP-protocol requests. Sending a request, as well as its contents, usually hidden from users, but there is nothing secret about them.

This site uses cookies and other tracking technologies to assist with your ability to provide feedback, analyze your use of our products and services, and provide content from third parties. Cookie Policy