Minify your HTML by removing all the unnecessary characters.
Minify your CSS by removing all the unnecessary characters.
Use the Google translator API to generate text to speech audio.
Get approximate IP details.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all possible details about an SSL certificate.
Ping a website, server or port..
Get all possible details about a domain name.