Deverlopers' Tool

These tools will help the deverlopers save their time and optimize your sites. They use css minify or javascript minify or json minify to drastically reduce the byte count in common by stripping all comments, whitespace, shortening color names. These tools can be used to avoid the extra step of minifying by hand when constructing and maintaining a site. They also use Diff tool to visually compare two files. They can view the differences between two files are highlight.

Webmasters' Tool

These tools will help the web master to view, analyze and optimize for their websites. They can use network tool to view like Ping, Lookup, Trace, DNS Records, HTTP Headers, Whois or Check their website's backlink like inbound links, outbound links, reciprocal links or Check the status about their websites performance, optimazation Test like Load Time, Speed Index, Time of first view, Time of Repeat view, Content Breakdown or Get some promo codes when they buy new domain.