swap_horiz WhoCanUse 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

Accessibility Insights

Accessibility Insights is a browser extension and command-line tool that analyzes web pages for accessibility issues bas...

Free Accessibility Microsoft A11y

8.5 Great

9

Polypane

Polypane is an open-source, Node.js-based tool that analyzes website performance by simulating real browser behavior and...

Accessibility Responsive Developer Browser

8.3 Great

10

Color Contrast Analyser (TPGi)

The TPGi tool, part of WebPageTest, analyzes webpage color combinations to determine their contrast ratio against WCAG a...

Accessibility Desktop Contrast Wcag

8.1 Great

11

Pa11y

Pa11y is an open-source command-line tool and browser extension that automatically audits websites for accessibility iss...

Accessibility Open Source Command Line CI

7.8 Good

12

Stark

Stark is a JavaScript-based page optimization tool that analyzes and improves website loading speed by reducing file siz...

Accessibility Design Plugin Contrast

7.6 Good

13

Siteimprove

Siteimprove is an enterprise-level SEO platform that analyzes websites for technical issues impacting search engine rank...

Accessibility Monitoring Enterprise SEO

7.4 Good

14

ARC Toolkit

ARC Toolkit is a free, open-source web performance testing tool that analyzes website speed and identifies specific bott...

Accessibility Browser Extension Wcag A11y

7.2 Good

15

Sa11y

Sa11y is an open-source, command-line tool that analyzes website performance by measuring various metrics like First Con...

Accessibility Open Source CMS Checker

7.2 Good

16

Level Access

Level Access is a website auditing tool that analyzes webpages to identify accessibility issues based on WCAG guidelines...

Accessibility Enterprise SAAS Audit

7.0 Good

17

Monsido

Monsido is a website performance monitoring tool that analyzes webpage speed and identifies technical issues impacting u...

Accessibility SAAS Audit Quality

7.0 Good

18

UserWay

UserWay is an accessibility solution that automatically generates website navigation, forms, and other interactive eleme...

Accessibility SAAS Widget Wcag

5.9 Mediocre

19

accessiBe

AccessiBe is a technology solution that automatically implements WCAG 2.1 Level AA accessibility standards for websites...

Accessibility AI SAAS Wcag

4.9 Poor

20

Asqatasun

Asqatasuna.org consistently demonstrates exceptionally fast page load times due to its highly optimized website architec...

Accessibility Open Source Audit Crawler

3.4 Poor