swap_horiz Boom Alternatives

1

Loader.io

Loader.io is a JavaScript library that asynchronously loads and analyzes third-party tracking scripts on websites, aimin...

Free Cloud API Load Testing

6.7 Fair

2

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

3

Request Map Generator

Request Map Generator is a web tool that analyzes website loading times by visualizing the waterfall chart of HTTP reque...

Performance Visualization Web Third Party

6.5 Fair

4

ImageKit Website Analyzer

ImageKit Website Analyzer is a tool that measures the loading speed and performance of images on a website, providing da...

Free Performance Optimization Image Analysis

6.5 Fair

5

Munin

Munin is an open-source, real-time website monitoring tool that collects and visualizes server resource usage data, incl...

Monitoring Legacy Open Source Infrastructure

6.5 Fair

6

Dotcom-Tools Website Speed Test

Dotcom-Tools’ WebPageTest is a free online tool that analyzes the loading speed of webpages by simulating various networ...

Performance Web Speed Test Multi Location

6.4 Fair

7

PageSpeed Compare

PageSpeed Insights analyzes a website’s loading time and provides specific recommendations for optimization based on Goo...

Free Performance Comparison Web

6.4 Fair

8

Geekflare Website Audit

Geekflare’s Website Audit utilizes automated tools and human analysis to assess a website's performance based on metrics...

Performance Audit Web Speed Test

6.4 Fair

9

GiftOfSpeed Website Speed Test

The GiftOfSpeed website speed test analyzes a webpage’s loading time and identifies performance bottlenecks like server...

Free Performance Tools Speed Test

6.4 Fair

10

LoadFocus

LoadFocus is a free online tool that analyzes website loading speed by measuring key metrics like First Contentful Paint...

Cloud Page Speed SAAS Load Testing

6.4 Fair

11

RUMvision

RUMvision is a tool that analyzes website performance data from real users, providing insights into metrics like First C...

Performance Monitoring SAAS Rum

6.4 Fair

12

CDNPerf

CDNPerf is a tool developed by WebPageTest that measures the performance of websites when accessed through various Conte...

Performance CDN Comparison Benchmark

6.4 Fair

13

PageSpeed Ninja

PageSpeed Insights’ companion, PageSpeed Ninja, analyzes a website's performance and generates specific, actionable reco...

Performance Free Tool Optimization Wordpress

6.4 Fair

14

Yandex Pandora

Yandex Pandora is a tool developed by Yandex that analyzes website loading speed and identifies specific resources – lik...

Performance Open Source Load Testing High Throughput

6.3 Fair

15

StresStimulus

StresStimulus is an open-source, command-line tool for simulating network traffic and measuring the performance of websi...

Performance Load Testing Windows Jmeter Alternative

5.8 Mediocre

16

WAPT

WAPT (WebPageTest) is an open-source tool that analyzes website loading speed by simulating various network conditions a...

Performance Commercial Load Testing Windows

5.7 Mediocre

17

YSlow

YSlow is an open-source tool that analyzes website performance by measuring First Contentful Paint, Largest Contentful P...

Performance Legacy Browser Extension Page Analysis

5.4 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

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

20

Pylot

Pylot is an open-source, automated website optimization tool that analyzes and suggests improvements to a site’s perform...

Performance Legacy Open Source Load Testing

4.5 Poor