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W3C Markup Validation Service VS Unused CSS

Compare W3C Markup Validation Service VS Unused CSS and see what are their differences

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W3C Markup Validation Service logo W3C Markup Validation Service

Validates HTML markup of web pages, one at a time.

Unused CSS logo Unused CSS

Easily find and remove unused CSS rules
  • W3C Markup Validation Service Landing page
    Landing page //
    2019-08-30
  • Unused CSS Landing page
    Landing page //
    2023-03-13

W3C Markup Validation Service

Website
validator.w3.org
Pricing URL
-
$ Details
-
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Unused CSS

Website
unused-css.com
Pricing URL
Official Unused CSS Pricing
$ Details
paid Free Trial $29.0 / Monthly (Up to 1000 pages)
Edit details

W3C Markup Validation Service features and specs

  • Standards Compliance
    The W3C Markup Validation Service ensures that your web pages conform to established web standards, helping to improve web interoperability and accessibility.
  • Error Identification
    The service identifies errors and warnings in your HTML and XHTML documents, making it easier to debug and fix these issues to improve code quality.
  • Improved Compatibility
    By validating your markup, you can better ensure that your web pages are compatible with various browsers and devices, providing a more consistent user experience.
  • Free of Charge
    The validation service is provided by W3C at no cost, making it an accessible tool for developers of all levels to enhance their web projects.
  • Educational Tool
    For beginners in web development, the W3C Validator can serve as an educational resource by highlighting common mistakes and promoting best practices in coding.

Possible disadvantages of W3C Markup Validation Service

  • Limited to Syntax
    The validator primarily checks for syntax errors and does not assess other vital web development aspects such as design or functionality.
  • Outdated Standards
    The tool relies on W3C's standards, which can sometimes lag behind real-world usage and popular web development trends, potentially limiting its relevance.
  • Overly Strict
    The validator can be overly strict, flagging non-critical issues that may not impact user experience but are still considered 'errors' by the tool.
  • Misinterpretation of Results
    Less experienced developers might misinterpret the validator's results, focusing too much on achieving perfect validation without understanding the real impact on usability.
  • Lack of Support for Modern Frameworks
    As a markup validator, it might not fully support or correctly evaluate modern JavaScript frameworks that generate markup dynamically.

Unused CSS features and specs

  • Performance Optimization
    Removing unused CSS can lead to faster page load times, improving user experience and potentially boosting SEO rankings.
  • Reduced File Size
    By eliminating unused CSS, the overall file size of stylesheets is reduced, which can decrease bandwidth usage and server load.
  • Improved Maintainability
    Cleaned-up CSS makes it easier for developers to read and maintain the stylesheet, reducing the complexity of future updates.
  • Fewer Rendering Issues
    By having only the necessary CSS, the likelihood of rendering issues and style conflicts is minimized, ensuring a more consistent design across different browsers and devices.

Possible disadvantages of Unused CSS

  • Potential Over-removal
    There is a risk of mistakenly removing CSS that is conditionally used (e.g., dynamic content or styled via JavaScript), which can lead to broken styles on the website.
  • Initial Setup Complexity
    Setting up tools to analyze and trim unused CSS can be complex, requiring time and technical expertise to configure properly.
  • Regular Maintenance
    Web applications that frequently change or add new content may require ongoing checks to ensure CSS remains optimal, which could increase maintenance efforts.
  • Risk of False Positives
    Automated tools might misidentify CSS as 'unused' if they're used in specific contexts not covered during the analysis phase, potentially leading to functionality issues.

W3C Markup Validation Service videos

+ Add

A Walkthrough the W3C Markup Validation Service

Unused CSS videos

+ Add

UnCSS your CSS! Removing Unused CSS with PostCSS & Parcel

More videos:

  • Tutorial - How to Remove Unused CSS code from Joomla Web Pages - 👀 WMW 109

Category Popularity

0-100% (relative to W3C Markup Validation Service and Unused CSS)

W3C Markup Validation Service

Unused CSS

SEO
100 100%
SEO
0% 0
Developer Tools
0 0%
Developer Tools
100% 100
SEO Tools
100 100%
SEO Tools
0% 0
Design Tools
0 0%
Design Tools
100% 100

User comments

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Social recommendations and mentions

Based on our record, W3C Markup Validation Service seems to be a lot more popular than Unused CSS. While we know about 99 links to W3C Markup Validation Service, we've tracked only 1 mention of Unused CSS. 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.

W3C Markup Validation Service mentions (99)

  • Ways to Avoid Cross-Browser Compatibility Issues
    It is a very common cross-browser compatibility issue and has a simple solution. One can use code validating tools for HTML and CSS depending on their requirements. These validators are powered by W3C. - Source: dev.to / 3 months ago
  • HTML Validation
    How to use HTML Validation service 👇 Step 1: Access the HTML validator ● Open the HTML validator in your web browser i.e go to https://validator.w3.org/. - Source: dev.to / 9 months ago
  • WebKit Fix: Quirk News.Y Combinator to Skip TextAutoSizing
    Looking at the html of HN's pages, can't blame them really. Running though https://validator.w3.org/ , the result is abysmal. At this rate, if web browsers started requiring sites to output HTML that is somewhere in the realm of normalcy, HN would sooner shut down than consider ever updating. - Source: Hacker News / over 1 year ago
  • We Need to Talk More About Conformance, If We Want to Stop Fantasy HTML
    Whether you’re a frontend developer, lead, or manager, reconsider your expectations and practices if you haven’t yet chosen not to ship erroneous HTML. The more of us decide to talk about using actual HTML on our sites and in our apps, and lead by example, the better for our users and clients, and the better for our craft and profession. On the engineering side of web development, it’s HTML first—if it is HTML. - Source: dev.to / over 1 year ago
  • What is cross-browser compatibility, and why should you care?
    Validate Your Code Include tools like W3C code validation service and CSS validator to ensure your code meets web standards. - Source: dev.to / over 1 year ago
View more

Unused CSS mentions (1)

What are some alternatives?

When comparing W3C Markup Validation Service and Unused CSS, you can also consider the following products

HTML Validator - HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla.

CSS Peeper - Smart CSS viewer tailored for Designers.

PageSpeed Insights - PageSpeed is addon for ...

Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.

Rocket Validator - Site-wide Accessibility and HTML validation made easy. With a single click, Rocket Validator will check thousands of web pages on your site for Accessibility and HTML conformance, producing a detailed, actionable report on seconds.

Unused CSS finder - Crawl your website and find unused CSS

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