Sites and apps similar to psiLynx include Web Check, which is free and open source. Other options are Fiddler, Google Lighthouse, Pingdom and Screaming Frog SEO Spider. Website Monitoring Tools like psiLynx are a crowded field, with more than 25 alternatives for Windows, Mac, Linux, self-hosting and iPhone.
Nelavio is a self-serve Visibility Ops platform for business websites. It scans a site, finds what limits organic visibility, prepares safe SEO fixes, supports local visibility work, and keeps a clear proof trail of what changed month after month.
Prafero is an all-in-one website intelligence platform for auditing any site in one place. It analyzes SEO, performance, security, DNS, and tech stack signals, then turns them into clear insights so founders, marketers, developers, and agencies can make faster website decisions.
Free, professional-grade Website Speed Test with unique Video Visualization and Actionable Recommendations for Core Web Vitals (LCP, INP, CLS).
Pakistan
Koalati is a quality control and training platform built to help web developers and agencies ship better websites.
Canada
It costs a lot to have a slow website. Stop gambling your users will endure slow pages. Start running performance regression now!.
Vita - Lighthouse alternative for iOS Safari. Vita is a Safari extension for iOS that measure site's Core Web Vitals.
Germany
EU
One-click probe that spots edge-cache misses, slow TTFB, cookie-busted HTML, heavy DOM/scripts, LCP laziness, and more—plus JSON export.
United States
France
