Bro are you aware of compression process. You know some pixels of the images
are truncated while the process of compression that is the only reason why
your image is not looking good after it is being accessed on the website.
URL rewriting
When you access any website there a session is made there B/N your system
and the web server. The information of that session is stored in the cookie.
due to that cookie your system get recognized. If you disable your cookies
then in such situation whenever your system sends request for any data then
each and every time your system will be considered as a new system or new
node. URL rewriting is another way of creating session if your cookies are
disabled.
It includes several methods using which your system is identified.
