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BrowserSpy.dk shows you just how much information can be retrieved from your browser just by visiting a page.

Available tests are listed below.

  • Accepted Filetypes
  • ActiveX
  • Adobe Reader
  • Ajax Support
  • Bandwidth
  • Browser
  • Capabilities
  • Colors
  • Components
  • Connections
  • Cookies
  • CPU
  • CSS
  • CSS Exploit
  • Cursors
  • Date and Time
  • DirectX
  • Document
  • Do No Track
  • .NET Framework
  • Email Verification
  • Flash
  • Fonts via Flash
  • Fonts via Java
  • Gears
  • Gecko
  • Geolocation
  • Google Chrome
  • Google Apps
  • GZip Support
  • HTTP Headers
  • HTTP
  • Images
  • IP Address
  • Java
  • JavaScript
  • Languages
  • Mathematical
  • MathML Support
  • MIME Types
  • Mobile
  • Network
  • Objects
  • Object Browser
  • Online / Offline
  • OpenDNS
  • OpenOffice.org
  • Opera Browser
  • Operating System
  • Google PageRank
  • HTTP Password
  • Ping
  • Plugins
  • Plugs
  • Prefetch
  • Proxy
  • Personal Security Manager
  • QuickTime Player
  • RealPlayer
  • Resolution
  • Screen
  • Security
  • Shockwave
  • Silverlight
  • Sound Card
  • SVG
  • Text Formatting
  • File Upload
  • UserAgent
  • VBScript
  • WAP Device
  • WebKit
  • Web Server
  • Window
  • Windows Media Player

Network Information

Find out which headers your browser send when retriving this page? The headers control how and what data the server returns to the browser. The browser can fx. ask to get non-cached version of the page.

Try reloading the page both with the reload button in your browser, or hit F5 and/or CTRL+F5 to see what headers your browser sends when reloading pages. Also try to clear the browsers cache and reload the page to see if that changes the headers send.

Test Result
Cache Control Not detected!
Connection Not detected!
Keep Alive Not detected!
Pragma Not detected!

Related links and further reading...

  • See all HTTP headers
  • See information about the HTTP connection
  • Caching Tutorial for Web Authors and Webmasters
  • Caching in HTTP from W3C
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