swap_horiz webhint Alternatives

1

Astro

Astro is a rapidly evolving SSG focused on performance and developer experience. Its 'islands architecture' allows for p...

Modern Performance Developer Friendly Javascript

9.5 Brilliant

2

GatsbyJS with Shopify Storefront API

Gatsby excels at generating blazing-fast, static sites using GraphQL. When paired with the Shopify Storefront API, it cr...

Performance SEO E Commerce React

9.3 Excellent

3

FastAPI

FastAPI has rapidly gained prominence as a high-performance Python web framework for building APIs. Built on modern Pyth...

Modern Performance API Python

9.2 Excellent

4

BuiltWith

BuiltWith analyzes websites to reveal the technology stack behind them. It identifies software like content management s...

SAAS Competitive WebPageTest Tech Profiler

8.9 Great

5

SpeedCurve

SpeedCurve is a web performance monitoring tool designed to analyze website speed and identify areas for improvement. It...

Performance Monitoring Web Synthetic

8.8 Great

6

Prometheus Blackbox Exporter

The Prometheus Blackbox Exporter is an open source HTTP service designed to gather deep performance data from web applic...

Monitoring Open Source Uptime Prometheus

8.7 Great

7

Gin

Gin is a lightweight web framework for building Go-based backend applications. It’s notable for its high performance ach...

Performance API Go Backend

8.6 Great

8

Grafana Pyroscope

Pyroscope is an open source profiling tool built for Grafana. It uses continuous profiling based on web performance data...

Performance Open Source Observability WebPageTest

8.4 Great

9

Treo Site Speed

Treo Site Speed is a tool that analyzes website loading times by measuring various factors like First Contentful Paint,...

Performance Monitoring Web WebPageTest

7.4 Good

10

ARC Toolkit

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

Accessibility Browser Extension WebPageTest Wcag

7.2 Good

11

nGrinder

nGrinder is an open-source, cross-platform tool used to measure and diagnose website performance by simulating multiple...

Performance Open Source Load Testing Groovy

6.9 Fair

12

Silktide

Silktide is an automated website optimization platform that analyzes and identifies critical performance bottlenecks wit...

Accessibility SAAS Audit WebPageTest

6.9 Fair

13

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

14

PowerMapper SortSite

PowerMapper SortSite is a web-based tool that analyzes website loading speeds by simulating user connections and measuri...

Accessibility SEO Desktop WebPageTest

6.5 Fair

15

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

16

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 WebPageTest

6.4 Fair

17

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

18

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

19

Tenon.io

Tenon.io is a website performance monitoring tool that analyzes webpage loading speed across various geographic location...

Accessibility SAAS API WebPageTest

5.9 Mediocre

20

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