Minify your HTML by removing all the unnecessary characters.
Minify your CSS by removing all the unnecessary characters.
Make sure your passwords are good enough.
Check if the URL is banned and marked as safe/unsafe by Google.
Compress and optimize images for a smaller image size but still high quality.
Get details of any file type, such as the mime type or last edit date.
Get the web-host of a given website.
Check for 301 & 302 redirects of a specific URL. It will check for up to 10 redirects.