Textalyzer - Analyze text readability and SEO parameters
Briefly - TL;DR - Highlight the internet and share on social media
SEO Analyzer By Neil Patel - A free SEO analyzer for your site
Glean.co - Personalized learning for educational video lessons
Website Speed Ranker - Compare how fast your website loads vs your competitors
Stringmark - Stringmark is an extremely easy-to-use Chrome Extension that allows you to save Links and Texts that are relevant to you.