Request Metrics
Pingdom
DebugBear
SpeedCurve
GTmetrix
UptimeRobot
WebPagetest
Google Lighthouse
Cachely.dev
nxCloud
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 your website.
Cachely is the managed self-hosted remote cache for Nx and Turborepo - the cache backend you'd otherwise build and run yourself, hosted for you on Cloudflare's edge (R2). It's a drop-in replacement for a DIY @nx/s3-cache / S3 bucket setup: point your build tool at Cachely with a token and two environment variables, and share build cache across CI and every developer's laptop.
Unlike a self-hosted cache, Cachely enforces read-only tokens at the API, so pull-request and fork builds can read but never write - closing the Nx cache-poisoning attack (CVE-2025-36852). It adds ROI reporting (the real build minutes and dollars the cache saved), per-tool insights, and build-optimization suggestions on top.
Pricing is a flat per-workspace subscription with no per-seat fees - add every developer, bot, and CI actor without watching the bill. Cachely never stores your source code; it caches only task outputs and their content hashes. Nx and Turborepo today; Bazel on the roadmap.
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I was looking for alternatives to Speedcurve for our new project. It looked nice, but it was slow and really expensive.
I discovered Request Metrics online, which looks very similar but a lot cheaper. The interface was a lot faster too, which seemed like a good sign for a performance company. It has been really great to work with so far and the support responds to my questions right away.
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
nxCloud - nxCloud is a commercial OwnCloud provider
DebugBear - Track site speed and Core Web Vitals
SpeedCurve - Monitor your front-end. Beat the competition
GTmetrix - GTmetrix is a free tool that analyzes your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.
UptimeRobot - Free Website Uptime Monitoring
