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WebPagetest VS SitePerformanceTest.com

Compare WebPagetest VS SitePerformanceTest.com and see what are their differences

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WebPagetest logo WebPagetest

Run a free website speed test from multiple locations around the globe using real browsers...

SitePerformanceTest.com logo SitePerformanceTest.com

Website Performance and Usability Test
  • WebPagetest Landing page
    Landing page //
    2023-07-05
  • SitePerformanceTest.com Landing page
    Landing page //
    2019-04-24

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.

SitePerformanceTest.com features and specs

  • Detailed Performance Metrics
    SitePerformanceTest.com provides comprehensive performance metrics that help users analyze the speed and responsiveness of their websites in detail.
  • User-Friendly Interface
    The platform offers an intuitive and easy-to-navigate interface, making it accessible for users of varying technical expertise.
  • Real-Time Testing
    Real-time testing capabilities allow users to see immediate results and make timely adjustments to improve site performance.
  • Free Basic Tools
    The site offers a range of basic tools for free, providing valuable insights without any cost.

Possible disadvantages of SitePerformanceTest.com

  • Limited Free Version
    Some advanced features require a paid subscription, which may be a barrier for users seeking extensive analysis without incurring costs.
  • Occasional Performance Lag
    At times, users may experience delays due to high traffic volumes, which can affect the speed of the insights provided.
  • Sparse Documentation
    The documentation and help resources can be limited, making it challenging for users to fully utilize the site's capabilities.
  • Complex Data Presentation
    While offering detailed analytics, the data presentation can sometimes be overly complex for beginners to interpret and act upon.

WebPagetest videos

+ Add

WebPageTest - The State of the Web

More videos:

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

SitePerformanceTest.com videos

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

Add video

Category Popularity

0-100% (relative to WebPagetest and SitePerformanceTest.com)

WebPagetest

SitePerformanceTest.com

Website Monitoring
76 76%
Website Monitoring
24% 24
Performance Monitoring
72 72%
Performance Monitoring
28% 28
Monitoring Tools
77 77%
Monitoring Tools
23% 23
Uptime Monitoring
71 71%
Uptime Monitoring
29% 29

User comments

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Social recommendations and mentions

Based on our record, WebPagetest seems to be more popular. 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.

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: almost 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: about 2 years ago
View more

SitePerformanceTest.com mentions (0)

We have not tracked any mentions of SitePerformanceTest.com yet. Tracking of SitePerformanceTest.com recommendations started around Mar 2021.

What are some alternatives?

When comparing WebPagetest and SitePerformanceTest.com, you can also consider the following products

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.

WebsiteSpeedAnalysis.com - Website Speed Analysis Tool

PageSpeed Insights - PageSpeed is addon for ...

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

CheckPageSpeed.com - Website Speed and Performance Analyzer

DareBoost - DareBoost is an online tool to test, analyze and monitor your website: speed, SEO, quality, security. All you need for website optimization in a single service.

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