A web browser is a computer program designed to read HTML or PHP code, composing the web pages. There is a great number of web browsers nowadaus and all of them are based on different browser engines, which read HMTL and PHP code and present it as a readable page screen. Web browsers were found in the 1980s and are being constantly developed and upgraded to provide faster loading times, more stable web pages and better looking websites.</div>

The ISP, short for 'Internet Service Provider', is the company that provides access and connects your personal computer, notebook, mobile device, etc. to the Internet. Another name for ISP is IAP, or Internet Access Provider.