swap_horiz BackstopJS Alternatives

1

Google Lighthouse

Google Lighthouse is an open-source, automated tool used to evaluate the performance and quality of webpages based on be...

Google Performance Open Source Audit

9.3 Excellent

2

Chrome DevTools Performance Panel

The Chrome DevTools Performance Panel records and analyzes a webpage’s loading process, identifying bottlenecks like Jav...

Performance Browser Audit Chrome

9.2 Excellent

3

PageSpeed Insights

PageSpeed Insights is a Google tool that analyzes the speed and performance of a website by simulating how it loads on d...

Free Google Speed Test Core Web Vitals

9.2 Excellent

4

Burp Suite

Burp Suite is an open-source penetration testing tool widely used to identify vulnerabilities in web applications by sim...

Security Web App Proxy Scanner

9.2 Excellent

5

OpenTelemetry

OpenTelemetry is an open-source observability framework that provides standardized APIs and SDKs for collecting telemetr...

Open Source Observability Apm Instrumentation

9.1 Excellent

6

OWASP ZAP

OWASP ZAP is a free, open-source web application security scanner that automates the process of identifying vulnerabilit...

Security Open Source Proxy Scanner

9.1 Excellent

7

Nuclei

Nuclei is an open-source tool that analyzes website performance by identifying and prioritizing critical JavaScript and...

Security Open Source Scanner Templates

8.9 Great

8

HTTP Archive

HTTP Archive is a collaborative project maintaining the most comprehensive open database of HTTP responses, providing da...

Performance Web Vitals Dataset Open Data

8.8 Great

9

Nessus

Nessus is an open-source vulnerability scanner that analyzes websites and applications for security weaknesses by simula...

Security Enterprise Vulnerability Scanner

8.8 Great

10

Squoosh

Squoosh is a Google-developed online tool that allows users to inspect and analyze the performance of individual images...

Google Optimization Compression Web App

8.7 Great

11

Netdata

Netdata is an open-source monitoring software that collects and visualizes real-time performance data from servers and a...

Monitoring Open Source Self Hosted Real Time

8.6 Great

12

WPScan

WPScan is an open-source command-line tool that performs comprehensive vulnerability scanning of WordPress websites by q...

Security Wordpress CLI Vulnerability

8.6 Great

13

Lighthouse CI

Lighthouse CI is an open-source command-line tool that analyzes websites for performance issues like slow loading times...

Google Performance Automation Open Source

8.3 Great

14

autocannon

Autocannon is a website performance testing tool that simulates multiple concurrent users accessing a webpage to identif...

Load Testing CLI Benchmark Node

7.8 Good

15

TestCafe

TestCafe is an open-source Node.js automation tool designed for end-to-end testing of modern web applications, offering...

Automation Open Source Browser Node

7.8 Good

16

Testim

Testim is an open-source tool that analyzes website performance by measuring key metrics like First Contentful Paint, La...

AI Automation SAAS Low Code

7.7 Good

17

Nightwatch.js

Nightwatch.js is an open-source JavaScript framework for end-to-end testing of web applications, automating browser inte...

Automation Open Source Node E2e Testing

7.5 Good

18

Watir

Watir is an open-source Ruby library that allows users to automate web browser interactions through standard web pages,...

Automation Open Source Ruby Webdriver

7.4 Good

19

Rainforest QA

Rainforest QA is an open-source browser extension and online tool that analyzes website performance by simulating real u...

Automation SAAS No Code E2e Testing

7.1 Good

20

Loadmill

Loadmill is an open-source website speed testing tool that analyzes a webpage’s performance by measuring various metrics...

Cloud Automation No Code API

6.7 Fair