Website Speed Ranker - Compare how fast your website loads vs your competitors
SEO Analyzer By Neil Patel - A free SEO analyzer for your site
Textalyzer - Analyze text readability and SEO parameters
Serpstat Website SEO Checker - Check your website's SEO, analyze competitors and keywords
SanityCheck - Get the exact data you need from Google Search Console.
Serpstat - Search analytics, Rank tracking, Backlink analysis and Site Audit tool.