swap_horiz Unlighthouse Alternatives

1

Locust

Locust is a powerful open-source load testing tool written in Python. It's known for its flexibility, ease of use, and a...

Performance Open Source Load Testing Python

9.5 Brilliant

2

Google Lighthouse

Google Lighthouse is a free, open-source web auditing tool developed by Google. It analyzes websites to assess their per...

Google Performance Open Source Audit

9.4 Excellent

3

Chrome DevTools Performance Panel

Chrome DevTools' Performance Panel is a browser-based tool used to analyze web page loading processes. It records detail...

Performance Browser Audit Chrome

9.2 Excellent

4

testssl.sh

testssl.sh is an open source command-line tool designed for assessing website security. It automatically tests TLS confi...

Security Open Source CLI Website

9.1 Excellent

5

PageSpeed Insights API

The PageSpeed Insights API provides programmatic access to detailed performance metrics and recommendations for optimizi...

Google Performance Automation Lighthouse

8.9 Great

6

Lighthouse CI

Lighthouse CI is an open source command-line tool designed to automate website performance testing. It utilizes Google's...

Google Performance Automation Open Source

8.9 Great

7

Ahrefs Site Audit

The Ahrefs Site Audit is a web crawler that assesses website health for search engine optimization. It identifies techni...

Cloud Performance SEO Audit SAAS

8.9 Great

8

Sitespeed.io

Sitespeed.io is an open-source tool designed for analyzing website performance. It provides data on key metrics such as...

Performance Monitoring Open Source Self Hosted

8.7 Great

9

Boomerang.js

Boomerang.js is an open source JavaScript library designed for web performance analysis. It simulates a user’s browsing...

Open Source Javascript Library Akamai

8.6 Great

10

web.dev Measure

Web.dev Measure is a free, open-source tool that analyzes website performance by simulating real user connections and re...

Google Legacy Lighthouse Audit

7.9 Good

11

DebugBear

DebugBear is an open-source browser extension that analyzes website performance by simulating real user experiences, ide...

Performance Monitoring Lighthouse Web

7.8 Good

12

Cloudflare Observatory

Cloudflare Observatory is a global network of performance monitoring locations that measures the speed and reliability o...

Performance Lighthouse Web Cloudflare

7.5 Good

13

Yandex.Tank

Yandex.Tank is an automated tool developed by Yandex that analyzes website performance by simulating real user connectio...

Performance Open Source Load Testing CLI

7.5 Good

14

Yellow Lab Tools

Yellow Lab Tools is a website that analyzes and reports on the loading speed and performance of individual webpages, pro...

Performance Open Source Audit Web

7.4 Good

15

Ddosify

DDoSify is a tool that simulates Distributed Denial of Service attacks against websites to assess their resilience and i...

Performance Open Source Load Testing CLI

6.6 Fair

16

Boom

Boom is a tool that analyzes websites to identify and quantify performance bottlenecks, primarily focusing on metrics li...

Performance Legacy Load Testing CLI

6.6 Fair

17

Funkify

Funkify is a free, open-source Google Chrome extension that analyzes website loading speed by measuring various factors...

Accessibility Simulator Disability Extension

5.6 Mediocre

18

Phantomas

Phantomas is a continuously updated, publicly accessible database tracking the online presence of defunct websites, prim...

Headless Performance Metrics Open Source

5.4 Mediocre

19

Taurus

Taurus is a JavaScript-based page speed optimization tool that analyzes websites to identify and prioritize opportunitie...

Automation Open Source WebPageTest Load Test

5.3 Mediocre

20

http_load

http_load is a tool within WebPageTest that simulates concurrent HTTP requests to measure the impact of multiple users a...

Performance Legacy Open Source Load Testing

5.1 Mediocre