GTmetrix is a free tool that analyzes your page's speed performance. Using Page Speed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.
- Website Audit Tool
- Freemium • Proprietary
- Online
Unified Web Performance that automatically tests your pages and tracks real user experiences. Automatically discovers your busiest pages and scans them weekly, providing actionable recommendations. Integrated Real User Monitoring to track the actual experience of visitors to...
- Website Monitoring
- Freemium • Proprietary
- Online
- Software as a Service (SaaS)
+2Uptime.com: Real-time availability monitoring & response for preventing website downtime. Your complete website monitoring solution.
- Uptime Monitor Service
- Paid • Proprietary
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Chrome OS
- Android Tablet
- iPad
- Zapier
- Google Chrome
- Software as a Service (SaaS)
- Terraform
- GitHub
- Firefox
+5Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.
- Website Monitoring
- Free • Proprietary
- Online
A free and paid tool which analyzes both real user and synthetic data, Wattspeed will help you track your performance in time as well as giving you a glimpse about what you should do next.
- Free • Proprietary
- Software as a Service (SaaS)
+3Screpy is a web analysis tool that can analyze all pages of your websites in one dashboard and monitor them with your team. Powered by Lighthouse.
- Website Monitoring
- Paid • Proprietary
- Online
+5Get the complete picture of your website. SiteGuru crawls your entire website and shows you the full structure. Sitemaps, internal links, and canonicals: our crawler eats everything. The result: a full overview of your site, including those pages you forgot about.
- SEO Tool
- Freemium • Proprietary
- Online
+2Free open-source website monitoring software, easy to set up and use for monitoring web sites. You can monitor single web pages, multiple web pages, pages in sitemap and even your whole web site using spider. You can check HTTP result codes and even contents of the checked pages.
Discontinued- Uptime Monitor Service
- Free • Open Source
- Mac
- Windows
- Linux
Boost your SEO, speed and security: Checkbot for Chrome crawls your site to test you’re following over 50+ best practices. Test 1,000s of pages in minutes for broken links, duplicate content, invalid HTML, insecure forms, redirect chains and more.
- SEO Tool
- Freemium • Proprietary
- Online
- Google Chrome
+1Performance monitoring simplified. Never let users see your website down or with bad loading speeds. Receive alerts & insights in real-time on health and performance.
- Uptime Monitor Service
- Paid • Proprietary
- Online
- Software as a Service (SaaS)
+9mod_pagespeed is an open-source Apache module which automatically applies web performance best practices to pages, and associated assets (CSS, JavaScript, images) without requiring that you modify your existing content or workflow.
- Free • Open Source
- Mac
- Windows
- Linux
- Self-Hosted
- Apache HTTP Server
ngx_pagespeed - Automatic PageSpeed optimization module for Nginx.
- Free • Open Source
- Linux
- Self-Hosted
- NGINX
Free SEO Analysis Tool: Get a comprehensive evaluation of your website's search engine optimization (SEO) and detailed PDF SEO Report.
- SEO Tool
- Free • Proprietary
- Online
- Software as a Service (SaaS)
+1Robotalp is an all-in-one monitoring solution that ensures your website's uptime and performance with 11 different monitoring functions and a status page.
- Website Monitoring
- Freemium • Proprietary
- Online
- Software as a Service (SaaS)
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