Software Alternatives, Accelerators & Startups

CSSViewer VS WebPagetest

Compare CSSViewer VS WebPagetest and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

CSSViewer logo CSSViewer

A simple CSS property viewer

WebPagetest logo WebPagetest

Run a free website speed test from multiple locations around the globe using real browsers...
  • CSSViewer Landing page
    Landing page //
    2023-09-30
  • WebPagetest Landing page
    Landing page //
    2023-07-05

CSSViewer features and specs

  • Ease of Use
    CSSViewer offers a simple and intuitive interface that allows users to easily inspect CSS properties of web elements by hovering over them.
  • Quick Access
    The extension provides quick access to CSS properties without the need to open the browser's developer tools, saving time for developers and designers.
  • Detailed Information
    CSSViewer displays detailed CSS information, such as font, color, and box properties, which can be useful for debugging or learning CSS.
  • Lightweight Tool
    The extension is lightweight and doesn't require significant system resources, making it a convenient tool for front-end developers.

Possible disadvantages of CSSViewer

  • Limited Functionality
    CSSViewer is limited to viewing CSS properties and does not allow users to edit them directly or offer any advanced features available in full-featured developer tools.
  • Browser Compatibility
    The extension is explicitly designed for Google Chrome, which means users of other browsers may need to look for alternatives.
  • No Updates or Support
    Users have reported that CSSViewer lacks regular updates, which may lead to compatibility issues with newer versions of Chrome or fails to support newer CSS features.
  • Potential Security Risks
    As with any third-party extension, users need to be cautious about permissions and potential security risks associated with installing and using such 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.

CSSViewer videos

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WebPagetest videos

WebPageTest - The State of the Web

More videos:

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

Category Popularity

0-100% (relative to CSSViewer and WebPagetest)
Developer Tools
100 100%
0% 0
Website Monitoring
0 0%
100% 100
Design Tools
100 100%
0% 0
Performance Monitoring
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, WebPagetest seems to be a lot more popular than CSSViewer. While we know about 51 links to WebPagetest, we've tracked only 5 mentions of CSSViewer. 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.

CSSViewer mentions (5)

  • 7 Must Have Chrome Extensions for JavaScript Developers
    The "CSS Viewer" Chrome extension is a handy tool for JavaScript developers seeking to inspect and analyze CSS styles on web pages. With a simple click on the extension's icon in the Chrome toolbar, it provides a user-friendly interface that allows you to hover over any element on a webpage and instantly view its corresponding CSS properties and values. - Source: dev.to / almost 2 years ago
  • 20 Top Best Chrome Extensions for Web Developers in 2022
    CSS Viewer is a simple but very effective Chrome extension for web developers. As its name implies, this addon shows you the CSS properties of a given page wherever you hover your mouse. A small popup window appears showing you the CSS data that makes up the element you’re pointing at. - Source: dev.to / almost 3 years ago
  • Top 10 Chrome Extensions for Web Developers in 2022
    1 - CSSViewer : It allows to show the CSS properties of element on any webpage, you just hover your mouse on it . A small window appears showing you the CSS data . - Source: dev.to / over 3 years ago
  • 21 Chrome Extension for web developer and designer
    CSSViewer helps us to view CSS properties of an object in a web page in the most general way such as color, font, size, position... You just need to select this utility and hover your mouse over the object that they want. If you want, the CSS information will automatically appear. CSSViewer. - Source: dev.to / almost 4 years ago
  • Awesome Tools and Technologies I Use as a Developer!
    CSSViewer - For viewing and inspecting CSS on a page. - Source: dev.to / about 4 years ago

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 CSSViewer and WebPagetest, you can also consider the following products

CSS Peeper - Smart CSS viewer tailored for Designers.

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.

Unused CSS finder - Crawl your website and find unused CSS

PageSpeed Insights - PageSpeed is addon for ...

CSS Dig - CSS Dig is a Cascading Style Sheet viewer extension that allows you to collect and style the website element properties.

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