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Cypress.io VS WebPagetest

Compare Cypress.io VS WebPagetest and see what are their differences

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Cypress.io logo Cypress.io

Slow, difficult and unreliable testing for anything that runs in a browser. Install Cypress in seconds and take the pain out of front-end testing.

WebPagetest logo WebPagetest

Run a free website speed test from multiple locations around the globe using real browsers...
  • Cypress.io Landing page
    Landing page //
    2023-04-17
  • WebPagetest Landing page
    Landing page //
    2023-07-05

Cypress.io features and specs

  • Easy Setup and Configuration
    Cypress.io is known for its straightforward setup process, requiring minimal configuration to get started with writing and running tests, making it very accessible for developers new to end-to-end testing.
  • Real-time Reloads
    Cypress offers real-time reloading of tests, which improves the development experience by allowing instant feedback on test results as code changes are made.
  • Time Travel Debugging
    Cypress provides the ability to 'time travel' through tests by taking snapshots of the application state at different steps, making it easier to debug and understand failures.
  • Automatic Waiting
    Tests in Cypress automatically wait for commands and assertions, eliminating the need for manual waits and helping to avoid flaky tests due to timing issues.
  • Built-in Mocking and Stubbing
    Cypress has built-in capabilities for mocking and stubbing network requests, which simplifies testing of applications that depend on various services and APIs.
  • Rich Documentation and Community Support
    Cypress boasts comprehensive documentation and an active community, providing plenty of resources for learning and troubleshooting.
  • Cross Browser Testing
    Cypress supports testing in multiple browsers, including Chrome, Firefox, and Edge, ensuring compatibility across different environments.

Possible disadvantages of Cypress.io

  • Limited Browser Support
    Although Cypress supports several major browsers, it does not support legacy browsers like Internet Explorer, which can be a disadvantage for projects that require testing across a wider range of browsers.
  • No Native Mobile App Testing
    Cypress does not natively support mobile app testing, limiting its use for projects that need end-to-end testing on mobile platforms.
  • Heavy Memory Usage
    Cypress can consume significant system resources, particularly memory, which may impact performance during large or complex test runs.
  • Limited Parallelism
    By default, Cypress's parallel execution capabilities are limited, which can slow down the test suite execution for larger projects, although this can be mitigated with the Dashboard Service (a paid feature).
  • Learning Curve for Advanced Features
    While basic tests are easy to set up, leveraging advanced features like custom commands, plugins, and complex test setups can require a steeper learning curve.
  • Incompatibility with Some Testing Ecosystems
    Cypress's architecture and testing approach can sometimes cause compatibility issues with certain testing frameworks and libraries, particularly those that are tightly coupled with traditional WebDriver-based tools.

WebPagetest features and specs

  • Detailed Performance Metrics
    WebPagetest provides extensive performance metrics, including Time to First Byte (TTFB), Speed Index, and First Contentful Paint, allowing for a deep understanding of website performance.
  • Real Browsers
    Tests are conducted using real browsers, which ensures that the results are closely aligned with real user experiences.
  • Geolocation Testing
    Supports testing from various locations worldwide, which is useful for understanding performance in different markets.
  • Advanced Testing Options
    Offers advanced options such as scripting for complex interactions, multi-step transactions, and authenticating users.
  • Free and Open Source
    WebPagetest is free to use and its code is open-source, allowing for community contributions and customizable implementations.
  • Video Capture
    Provides video capture of the loading process, giving a visual representation of loading performance.
  • Waterfall Charts
    Generates detailed waterfall charts that help identify bottlenecks in resource loading.

Possible disadvantages of WebPagetest

  • Complexity for Beginners
    The extensive options and detailed metrics may be overwhelming for beginners who are not familiar with web performance testing.
  • Intermittent Performance
    As a free service, sometimes the performance can be inconsistent due to high demand or limited resources.
  • Dated Interface
    The user interface of the website is somewhat dated and could benefit from modernization to improve user experience.
  • Limited Instant Support
    Lack of immediate support options can be a downside; users often have to rely on forums and community support.
  • Potential for Inconsistent Results
    Results might vary between tests due to variability in internet speed, server conditions, and other external factors.
  • Configuration Overhead
    Advanced testing options require a significant amount of configuration, which can be time-consuming.

Analysis of Cypress.io

Overall verdict

  • Cypress.io is considered a good testing tool for developers due to its efficiency, ease of use, and robust testing capabilities. Its growing community and continuous updates make it a worthwhile choice for web testing.

Why this product is good

  • Cypress.io is a powerful end-to-end testing framework for web applications. It offers a user-friendly interface, excellent documentation, and provides fast and reliable testing with real-time reloads and debugging. It also integrates well with CI/CD pipelines and supports modern JavaScript frameworks like React, Angular, and Vue.js.

Recommended for

  • Frontend developers who need to test web applications.
  • Teams looking for a reliable end-to-end testing solution.
  • Projects using modern JavaScript frameworks like React, Angular, or Vue.js.
  • Developers who require a tool with extensive documentation and community support.

Analysis of WebPagetest

Overall verdict

  • Yes, WebPagetest is considered a good tool for evaluating website performance. It is widely used by developers and performance engineers for its accuracy and the depth of information it provides.

Why this product is good

  • WebPagetest is highly regarded for its detailed performance analysis capabilities, offering in-depth insights into page speed and other performance metrics. It allows users to run tests from multiple locations, on various devices and browsers, which is crucial for assessing a website's performance under different conditions. The tool provides a comprehensive waterfall chart and numerous other diagnostic features that help identify performance bottlenecks and potential optimization areas.

Recommended for

    WebPagetest is recommended for web developers, performance engineers, SEO specialists, and anyone interested in optimizing website speed and performance. It is especially useful for those who need detailed insights into page load processes and performance optimization opportunities.

Cypress.io videos

Introduction to automation testing with Cypress.io (Non-selenium framework)

More videos:

  • Review - Testing Angular with Cypress.io | Joe Eames | AngularConnect 2018

WebPagetest videos

WebPageTest - The State of the Web

More videos:

  • Tutorial - How To Use WebPageTest.org - For Beginners

Category Popularity

0-100% (relative to Cypress.io and WebPagetest)
Automated Testing
100 100%
0% 0
Website Monitoring
0 0%
100% 100
Browser Testing
100 100%
0% 0
Performance Monitoring
0 0%
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 Cypress.io and WebPagetest

Cypress.io Reviews

20 Best JavaScript Frameworks For 2023
Cypress is a holistic automation testing framework where the tester can perform unit, integration, end-to-end, and regression testing. Additionally, they may orchestrate and unify outcomes with quality measurements and useful insights that support the agile workplace by leveraging the Cypress cloud.
Top 10 Perfecto alternatives with Zebrunner on top
- is a SaaS web app for easy scaling test runs and debugging failed tests. Pairs with the open source Cypress Test Runner.
Source: zebrunner.com

WebPagetest Reviews

We have no reviews of WebPagetest yet.
Be the first one to post

Social recommendations and mentions

Based on our record, WebPagetest should be more popular than Cypress.io. It has been mentiond 51 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.

Cypress.io mentions (27)

  • Ensuring Web Accessibility with Cypress: A Comprehensive Guide
    Feature: Web Accessibility Tests Feature: Web Accessibility Tests Scenario Outline: Verify all WCAG Violations Given I am on the "" page And Verify all Accessibility Violations Scenario Outline: Verify P1,P2 WCAG Violations Given I am on the "" page And Verify only P1, P2 issues Examples: | url | | https://google.com | | https://amazon.in | | https://agoda.com | |... - Source: dev.to / 9 months ago
  • Simulating Internet Outage and Recovery using Cypress
    In this blog post, we'll explore a Cypress test that replicates this scenario, utilizing the powerful intercept command to manipulate network requests and responses. - Source: dev.to / over 1 year ago
  • Scraping a site?
    Maybe something like Cypress is what you're looking for? Cypress.io. Source: about 2 years ago
  • How to write tests in Django for JavaScript fetch
    You won't be able to test the javascript function itself from within python, but you can exercise the front-end code using something like cypress (https://cypress.io) or the older but still respectable selenium (https://selenium.dev). Source: about 2 years ago
  • What's your CI/CD flow made of?
    How are they run (services (ie. GitHub Action Runners, SauceLabs, Cypress.io, etc.), or self hosted autoscaling infrastructures)? Source: over 2 years ago
View more

WebPagetest mentions (51)

  • A PageSpeed insight report, but for every page in your domain
    Trust neither. The most optimal option I've found is webpagetest.org Its been quite handy lately. This tool does look interesting. Source: about 2 years ago
  • How are you all accurately checking your website load time? Not sure PageSpeedInsights is very helpful.
    Webpagetest.org is another. Pagespeedinsights and lighthouse are great for identifying page load issues to fix, but actual page load times will always vary between the user and your web server. Universal analytics has some page load timings but that's going away soon and nothing afaik is in GA4. I've seen an example of building a page load timer in tag manager and dumping the results into an event. Source: about 2 years ago
  • Extreme confusing over Speed Index results -- webpagetest.org
    So I am working on rebuilding our company's site with a new stack. I am running tests using webpagetest.org, and I am having trouble fully understanding the speed index results as well as the film strip view. The page renders quite fast everywhere I test it. Google Lighthouse shows it in the 90s + for performance score, however when I test the page on webpagetest, I get load times of 77 seconds (NOT MS) which is... Source: about 2 years ago
  • Does anyone else experience pure ecstasy when they get 100 on Lighthouse? 😩
    Webpagetest.org is great, and checking OP's site they have done an incredible job, I don't think I have ever made or seen an Ecom site this slick. Super clean waterfall view. Source: about 2 years ago
  • Performance scores for Google Lighthouse/Insights seem to be very inaccurate
    Thanks for the recommendation regarding webpagetest.org, another user made a similar recommendation so I will check it out. Source: over 2 years ago
View more

What are some alternatives?

When comparing Cypress.io and WebPagetest, you can also consider the following products

Selenium - Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.

GTmetrix - GTmetrix is a free tool that analyzes your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.

Katalon - Built on the top of Selenium and Appium, Katalon Studio is a free and powerful automated testing tool for web testing, mobile testing, and API testing.

PageSpeed Insights - PageSpeed is addon for ...

Robot framework - Robot Framework is a generic test automation framework for acceptance testing and acceptance...

Google Lighthouse - Lighthouse is an open-source, automated tool for improving the quality of web pages.