Website Speed Ranker - Compare how fast your website loads vs your competitors
Textalyzer - Analyze text readability and SEO parameters
SEO Analyzer By Neil Patel - A free SEO analyzer for your site
Dareboost: Website Speed Comparison - Check how fast your website is against your competitors
PageSpeed Ninja - One-click page speed boost for WordPress
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters