psiLynx alternatives

psiLynx is a proprietary app for Online. It is a paid product (subscription $20–130).

Alternatives

• Web Check
• Fiddler
• Google Lighthouse
• Pingdom
• Screaming Frog SEO Spider
• PageSpeed Insights
• GTmetrix
• HTTP Observatory
• WebPageTest
• Yellow Lab Tools
• Pingdom Website Speed Test
• Screpy