Strange HTTP GET requests from IP 150.70.x.x and IP 62.24.x.x

Recently I started to notice that one of our sites gets strange HTTP GET requests from two IP ranges: 150.70.x.x and IP 62.24.x.x. The short version of this goes as follows: we have web service when users can submit results via HTTP GET request. For example: http://www.example.com/service?guid={BEDC2C9A-C5E6-4766-B57C-7CC07BB26F59}&result=x Each (next) user/request gets a new GUID, like: […]

How big HTML images / CSS / JS / png / etc. should be to fit network packet (MTU) efficiently

List of little things that will make your website much faster. Not every webmaster knows, that 1 extra byte in jpg image, can cause 100% speed reduction / penalty for your website visitor. When you learn that MTU for Ethernet is 1500 bytes with actual data / payload size of 1460 bytes, you can calculate […]