Every Web Performance Test Tool

Here is each Web Performance Test Tool I am aware of to help distinguish issues in your webpage/get you some key speed measurements. The thought is you think about an element you need, for example “TTFB” or “areas” or “cascade” and just Cmd + F on this page to discover an apparatus that causes you with that thing.

Please let me know if you have other tools that belong here.

Comprehensive ToolsπŸ”—

Tools that try to give you the whole kitchen sink including waterfalls

  • PageSpeed Insights – The original PageSpeed test from Google, aka Lighthouse run on the web – gives you FCP, FID, TTI, screenshots, opportunities, and Diagnostics
  • WebPageTest – This seems the most highly regarded in the webperf circles I know about. You pick a location and a browser. Gives you 3 runs, shows waterfall, and a bunch of stats with letter grades for compression/TTFB, FCP, Document Complete and Fully Loaded times.
  • GTMetrix – Also super highly regarded. Gives you PageSpeed and YSlow recommendations, waterfall, historical graphs, and (for logged in users) filmstrips
  • Dareboost – looks simple, but actually does have filmstrip and waterfall and recommendations!!
  • Falco – Open Source, self-hosted WebPageTest runner. automatically run audits & see the evolution of key performance metrics to easily spot regressions & audit the performance of individual URLs or entire user journeys
  • Sitespeed – also Open Source, self hosted with monitoring πŸ™‚

Services with Paid offeringsπŸ”—

  • PerfBeacon – runs Google Lighthouse/Pagespeed insights at a scheduled interval + when triggered by API calls. Price plans from 2.5k – 50k tests per month, 14 day free trial
  • Calibre – set performance budgets from various worldwide locations, receive regular reports, and get performance changes in Pull Requests. Price plans from 5k – 50k tests per month, 15 day free trial

Improvement RecommendationsπŸ”—

These offer improvements but didn’t quite make my cut for “Comprehensive Tools” – but are still noteworthy, esp Geekflare’s security tools.

  • Geekflare – Geekflare’s set of 25 tools giving you everything from a Website Performance Audit to TTFB and Traceroute tests and other security related tests. The Audit gives a nice score and a lot of improvement recommendations.
  • Pingdom Tools – you pick a location, it gives you some load time/page size stats, improvement opportunities, and a waterfall with a nice filter
  • RequestMap from Webperf.Tools – Simon Hearnes’ request map generator which focuses on visualizing Third Party Assets. Pick a location, and a device.

Test BanksπŸ”—

Tools which ping your site from multiple locations to give you a global view.

  • Sucuri Performance – pings your site from 16 locations worldwide and gives you connection and TTFB times.
  • Website Speed Test from Dotcom Tools – ping 20+ locations and pick a browser, it shows you load times for first visit and repeat visit!
  • KeyCDN Perf Tools – pings your site from 14 locations worldwide and gives you DNS/Connect times
  • Latency.apex.sh – pings two URLs to compare latency from 13 locations. Good for comparing sites with and without a CDN.

Simple ToolsπŸ”—

Tools with simplicity as the appeal – great first checks.

  • TestMySite from Netlify – Netlify’s tool which checks TTFB and HTTPS and gives a score out of 100
  • TestMySite from Google – mobile speed report from Google – lets you generate a report with recommendations for your team
  • Bytecheck.com – gives you a simple waterfall breaking down Redirects + DNS + Connect + SSL + Send + Wait + Receive
  • YellowLab.tools nice letter grades per section
  • Pingdom Tools – you pick a location, it gives you some load time/page size stats, improvement opportunities, and a waterfall with a nice filter
  • 24×7 Page Analyzer – you pick a location, it shows you a waterfall of requests with a PageSpeed score
  • KeyCDN Speed Tool – gives you per-asset download breakdowns – a little TOO detailed to be useful
  • Butterfly – I havent looked into this too much – Unlimited Automated Page Speed Monitoring & Tracking, Security Tracking & Performance Timing – founder is Ciprian on Twitter

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