PageSpeed Ninja - One-click page speed boost for WordPress
Website Speed Ranker - Compare how fast your website loads vs your competitors
Textalyzer - Analyze text readability and SEO parameters
Website Grader - Grade your website's strengths and weaknesses in seconds.
SanityCheck - Get the exact data you need from Google Search Console.
Treo - Treo is the page speed monitoring tool that helps your customers from obtaining a faster web experience.