Jupiter

A useful SEO report generator you can run for a quick website analysis.

Features

This script scans a user-provided URL and checks:

Google preview
website availability
page loading time
title and description (with some recommendations for improving them)
most used keywords
H1 and H2
if robots.txt and sitemap.xml exists
broken links
favicon
images without ALT text
Google Analytics tracking code
minified and un-minified external CSS and JS files.