swap_horiz Tsung Alternatives

1

Bundlephobia

Bundlephobia is a website diagnostic tool that analyzes the file size of a webpage’s assets – images, scripts, and style...

Developer Javascript Web Front End

8.5 Great

2

Lumar

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

Technical SEO Enterprise SEO Audit Crawler

7.9 Good

3

Hey

Hey is a free online tool that analyzes websites to identify performance bottlenecks and provides actionable recommendat...

Open Source CLI Benchmark Go

7.6 Good

4

Polypane

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

Accessibility Responsive Developer Browser

7.5 Good

5

StormForge

StormForge is an open-source tool that analyzes website performance by simulating real browser connections to identify a...

Performance Optimization SAAS Load Testing

7.2 Good

6

Sa11y

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

Accessibility Open Source CMS WebPageTest

7.2 Good

7

Ghost Inspector

Ghost Inspector is a free, open-source browser extension that analyzes website performance by simulating a real mobile d...

Monitoring SAAS Browser Synthetic

7.0 Good

8

Hyperping

Hyperping is an open-source tool that analyzes website performance by simulating multiple HTTP requests to measure serve...

Modern Monitoring Uptime Status Page

6.9 Fair

9

FusionReactor

FusionReactor is an open-source tool that analyzes website performance by simulating real browser behavior and measuring...

Monitoring SAAS Java Apm

6.9 Fair

10

Speedscale

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

Performance API Load Testing Kubernetes

6.8 Fair

11

Sensu

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

Monitoring Open Source Developer Observability

6.8 Fair

12

Cachet

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

Communication Open Source Self Hosted Incident

6.7 Fair

13

Responsinator

Responsinator is a free online tool that analyzes a website’s performance across various devices and browsers, providing...

Free Mobile Responsive Preview

6.7 Fair

14

Glowroot

Glowroot is a tool that analyzes website performance by measuring the time it takes for various resources – images, scri...

Monitoring Open Source Self Hosted Java

6.7 Fair

15

Hardenize

Hardenize is a tool that analyzes websites to identify and prioritize performance bottlenecks stemming from server-side...

Monitoring SSL DNS WebPageTest

6.3 Fair

16

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