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Insomnia REST VS HTML5test

Compare Insomnia REST VS HTML5test and see what are their differences

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Insomnia REST logo Insomnia REST

Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.

HTML5test logo HTML5test

HTML5test is a platform that assigns you a score based on how well your browser follows the requirements of the HTML5 standard.
  • Insomnia REST Landing page
    Landing page //
    2023-10-05
  • HTML5test Landing page
    Landing page //
    2023-09-05

Insomnia REST features and specs

  • User-Friendly Interface
    Insomnia REST features a clean and intuitive user interface that makes it easy to create, send, and manage API requests without a steep learning curve.
  • Support for Multiple Protocols
    In addition to REST, Insomnia supports GraphQL and gRPC, making it versatile for developers working with different API protocols.
  • Environment Management
    Insomnia allows you to create and manage multiple environments, making it easier to switch between staging, development, and production settings.
  • Custom Plugins and Themes
    Insomnia supports custom plugins and themes, allowing users to extend its functionality and personalize the interface to suit their workflow.
  • Collaboration Features
    With Insomnia Teams, users can collaborate and share API requests, environments, and other resources, enhancing team productivity.
  • Cross-Platform Availability
    Insomnia is available on multiple platforms, including Windows, macOS, and Linux, providing flexibility for users on different operating systems.

Possible disadvantages of Insomnia REST

  • Resource Heavy
    Some users have reported that Insomnia can be resource-intensive, leading to potential performance issues on lower-end machines.
  • Limited Free Features
    While Insomnia offers a free tier, some of the more advanced features, such as team collaboration and sync capabilities, require a paid subscription.
  • Steeper Learning Curve for Advanced Features
    Although the basic functionalities are user-friendly, mastering the more advanced features might require a steeper learning curve.
  • Dependency on Electron
    Since Insomnia is built on Electron, it might consume more memory and disk space compared to native applications.
  • Complex Plugin System
    While the plugin system is powerful, it can be complex and challenging for users who are not familiar with JavaScript and Node.js.

HTML5test features and specs

  • Comprehensive Assessment
    HTML5test provides a detailed evaluation of a web browser's support for HTML5 standards, covering a wide range of features.
  • User-Friendly Interface
    The interface is intuitive and easy to use, allowing users to quickly obtain results about their browser's capabilities.
  • Cross-Browser Comparison
    It allows users to compare scores between different browsers, facilitating informed decisions about which browser to use.
  • Regular Updates
    The site is updated regularly to incorporate the latest HTML standards and browser versions, ensuring relevant test results.

Possible disadvantages of HTML5test

  • Focus on Quantitative Score
    HTML5test focuses on a numeric score that might oversimplify the complexities of feature support and real-world performance.
  • Lack of Contextual Information
    The site does not provide detailed explanations about how missing features might impact user experience or web development.
  • Not Comprehensive for All Users
    While HTML5test is good for basic assessment, it might not be sufficient for advanced developers looking for in-depth analysis of browser capabilities.

Analysis of Insomnia REST

Overall verdict

  • Insomnia REST is an excellent choice for developers who need a robust and intuitive tool for API development and testing. Its comprehensive features and ease of use make it a competitive option alongside other popular API clients.

Why this product is good

  • Insomnia REST is widely regarded as a powerful tool due to its user-friendly interface, extensive plugin ecosystem, and support for multiple authentication protocols. It allows users to easily build, debug, and test RESTful APIs with features like environment variables, code generation, and response validation. Moreover, its compatibility with GraphQL and gRPC makes it versatile for modern development needs.

Recommended for

  • API Developers
  • Software Testers
  • Backend Engineers
  • Technical Leads
  • Anyone involved in RESTful API development and testing

Insomnia REST videos

+ Add

3 Reasons to use Insomnia REST Client in your Exploratory API Testing

More videos:

  • Tutorial - Insomnia REST Client Tutorial

HTML5test videos

No HTML5test videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to Insomnia REST and HTML5test)

Insomnia REST

HTML5test

API Tools
100 100%
API Tools
0% 0
Online Services
0 0%
Online Services
100% 100
Developer Tools
100 100%
Developer Tools
0% 0
Website Testing
0 0%
Website Testing
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Insomnia REST and HTML5test

Insomnia REST Reviews

Top 20 Open Source & Cloud Free Postman Alternatives (2024 Updated)
Product Introduction: Insomnia is a powerful open-source API client designed for simplicity and efficiency and works great as a postman alternative. It supports REST, GraphQL, and gRPC, making it versatile for various API types.
Source: medium.com
Best Postman Alternatives To Consider in 2025
It is a free, open-source platform that boasts a user-friendly interface and robust features like environment and collection management, code snippets, and test automation. Compared to Postman, Insomnia offers a lighter footprint and a more customizable workspace.
Source: www.hypertest.co
Postman Alternatives for API Testing and Monitoring
Insomnia is a user-friendly tool for API development and testing. Insomnia allows creating and sending HTTP and REST requests, like GET, POST, PUT, DELETE, and more. Users can view API responses, including status codes, headers, and body. This enables understanding how the application handles different response scenarios, for efficient debugging.
Source: www.blazemeter.com
Top 10 HTTP Client and Web Debugging Proxy Tools (2023)
Insomnia REST is the best alternative for Postman. It has more than 350 open-source plugins, plus GraphQL built-in with multiple protocol support. Since GraphQL is an added value, you can fully automate the entire lifecycle of APIs, build and debug them efficiently and with ease.
Source: www.bestproxyreviews.com
15 Best Postman Alternatives for Automated API Testing [2022 Updated]
Insomnia by Kong enables you to deliver high-quality APIs through collaboration. This postman alternative also includes testing suites, which allow you to create functional tests and centralize APIs. With this platform’s streamlined API client, sending GraphQL, REST, and SOAP requests are simple. Defining variables such as authentication credentials allows you to manage...
Source: testsigma.com

HTML5test Reviews

We have no reviews of HTML5test yet.
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Social recommendations and mentions

Based on our record, Insomnia REST should be more popular than HTML5test. It has been mentiond 131 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Insomnia REST mentions (131)

View more

HTML5test mentions (58)

  • Ask HN: Kindle Browser Specs?
    Take your Kindle and visit https://html5test.com/ and that should give you a good idea. Spoiler: it scores pretty low but supports JavaScript, which is surprising. PS: You could have gotten this answered more quickly by Googling. - Source: Hacker News / 8 months ago
  • Some questions about RAM, BT and Firefox
    I just don't know what else I can do. I compared Chromium and Firefox in html5test.com, got same result. All browsers says they doesn't support H.265. I turned off HW acceleration, nothing changes. I installed ffmpeg-libs and other codecs from Fedora wiki. Nothing changes. Videos are same vp9 in browsers. I spent all day googling but nothing helpful. Source: almost 2 years ago
  • widevine problem?
    What does https://html5test.com/ say for h.264, VP8, VP9 and Theora support? What does it say for aac, Opus, Vorbis and mp3 support? Source: almost 2 years ago
  • is there a way to get surround sound working on firefox?
    You can use this website also https://html5test.com is really helpful with more datails. Source: almost 2 years ago
  • H265 Browser compatibility
    If I go on html5test.com, no matter which browser I use, H265 support is not enabled and I couldn't find any article online that explains why -- what am I missing here? Source: almost 2 years ago
View more

What are some alternatives?

When comparing Insomnia REST and HTML5test, you can also consider the following products

Postman - The Collaboration Platform for API Development

Can I use - Compatibility tables for support of HTML5, CSS3, SVG and more in desktop and mobile browsers.

Hoppscotch - Open source API development ecosystem

The Acid3 Test - The Acid3 Test is an online test page developed by the Web Standards Project to help everyone check how compliant a specific browser is with different web standards like JavaScript and Document Object Model.

RapidAPI for Mac - Paw is a REST client for Mac.

CrossBrowserTesting - Browser Testing made simple! Run automated, visual, and manual tests on 1500+ real browsers and mobile devices. Test more browsers, in less time.

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