Method 1: Log in via Telegram Widget.

Click on Telegram widget to enter TgDev site

If you do not see Log In Telegram Widget then possibly the telegram.org website is banned in your network. Please use VPN or proxy server. Also security/popup settings of your browser might be reason of Widget does not work.

Method 2: Log in via @TgScanRobot

If you experience issues with loging in via widget you can use TgScanrobot's log-in button.