Free SEO Checker by Spotibo - An SEO checker that analyses based on Google's algorithm 👀
Prodibi - Prodibi innovative image solution enables you to display and share your photos in full res and high quality on your website, wordpress, social media and mobile.
SEO Analyzer By Neil Patel - A free SEO analyzer for your site
Website Image Speed Test - Beautiful & easy free analysis of the images on your page
SEO Minion - Chrome extension & Firefox add-on to help you with SEO
OptimizeWP - WordPress speed optimization and maintenance service