swap_horiz Acunetix 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

Qualys SSL Labs

Qualys SSL Labs offers comprehensive analysis of website security protocols. It assesses TLS/SSL configurations for vuln...

Free Security SSL TLS

9.4 Excellent

4

W3C CSS Validation Service

The W3C CSS Validation Service is a free web-based tool used to assess Cascading Style Sheets (CSS) code. It verifies ad...

Free CSS WebPageTest Page Test

9.4 Excellent

5

OWASP ZAP

OWASP ZAP is a free, open-source web proxy scanner designed to identify vulnerabilities in web applications. It operates...

Security Open Source Proxy Scanner

9.4 Excellent

6

Nuclei

Nuclei is an open source scanner designed to assess website security vulnerabilities and performance issues. It utilizes...

Security Open Source Scanner Templates

9.4 Excellent

7

Web Vitals Chrome Extension

The Web Vitals Chrome Extension provides a straightforward method for assessing website speed and user experience. It me...

Google Web Chrome Extension

9.3 Excellent

8

Mail-Tester

Mail-Tester is a remarkably simple yet powerful free tool for quickly assessing email deliverability. It generates a tem...

Free Developer Deliverability Testing

9.2 Excellent

9

Adobe Acrobat Online

Adobe Acrobat Online remains the industry standard for PDF management, leveraging the power of the desktop application i...

Online Business Cloud Premium

9.2 Excellent

10

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

11

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

12

Squoosh

Squoosh is a web application created by Google designed for optimizing images used on websites. It analyzes image files,...

Google Optimization Compression Web App

8.7 Great

13

WPScan

WPScan is a free, open-source command-line scanner designed to identify security vulnerabilities within WordPress websit...

Security Wordpress CLI Vulnerability

8.6 Great

14

Invicti

Invicti is a website performance monitoring platform that uses a combination of real-time analysis and historical data t...

Security Enterprise WebPageTest Dast

7.8 Good

15

OpenVAS

OpenVAS is an open-source vulnerability scanner that performs comprehensive network security assessments by identifying...

Security Open Source Vulnerability Scanner

7.8 Good

16

StackHawk

StackHawk is an open-source platform that automatically identifies and diagnoses performance bottlenecks and security vu...

Security API Developer WebPageTest

7.2 Good

17

Rapid7 InsightAppSec

Rapid7 InsightAppSec is a web application vulnerability scanner that performs continuous assessments of applications thr...

Web App Dast Appsec Rapid7

7.1 Good

18

Arachni

Arachni is an open-source tool that analyzes website performance by identifying and quantifying the impact of individual...

Security Open Source Web App Scanner

6.6 Fair

19

Probely

Probely is a platform that analyzes website performance by measuring key metrics like First Contentful Paint, Largest Co...

Security API Vulnerability Scanner

6.2 Fair

20

Wapiti

Wapiti is an open-source, automated website performance testing tool that simulates real browser usage to measure page l...

Open Source CLI WebPageTest Dast

6.1 Fair