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Do you want to see what connections your PC at a certain time, then that is very easy to check using special software. The program Fiddler, for example, supports all frameworks including NET, Java, and Ruby.

Every time you go to a website or use an online service there are different connections made. With the help of the freeware application Fiddler, all of these data connections through the proxy server, Fiddler, led. This then displays a summary of all the connections that will be made. These are, for example, in addition to the connection with the server on which the site is hosted also connections with integrated ad servers, payment providers, linked social media accounts, etc. Each connection can potentially slow the site. Using Fiddler, you can analyze exactly which connection for a lower speed.

Fiddler is an invaluable tool for web developers who are concerned with the scalability of an online service. Using Fiddler to determine which data transfer is slow the site to order the cause to be able to solve.

Fiddler has the following characteristics:

  • free tool for traffic debugging,
  • a log of all HTTP and HTTPS traffic capturing,
  • suitable for any application that a proxy supports,
  • check what traffic potential slows down,
  • request and response time per connection,
  • expandable with a large number of (free) extensions,
  • available for Linux, Mac and Windows.

Fiddler screenshots


You can free download Fiddler and safe install the latest trial or new full version for Windows 10 (x32, 64 bit, 86) from the official site.

Devices: Desktop PC, Laptop (ASUS, HP, DELL, Acer, Lenovo, MSI), Ultrabook

OS: Professional, Enterprise, Education, Home Edition, versions: 1507, 1511, 1607, 1703, 1709, 1803, 1809 - Overview features and capabilities software, apps for Windows 10
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