Minify your HTML by removing all the unnecessary characters.
Minify your JS by removing all the unnecessary characters.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Separate text back and forth by new lines, commas, dots...etc.
Get all possible details about a domain name.
Get all the HTTP headers that an URL returns for a typical GET request.
Get approximate IP details.
Check for 301 & 302 redirects of a specific URL. It will check for up to 10 redirects.