Skip to content
    Moz logo Menu open Menu close
    • Products
      • Moz Pro
      • Moz Pro Home
      • Moz Local
      • Moz Local Home
      • STAT
      • Moz API
      • Moz API Home
      • Compare SEO Products
      • Moz Data
    • Free SEO Tools
      • Domain Analysis
      • Keyword Explorer
      • Link Explorer
      • Competitive Research
      • MozBar
      • More Free SEO Tools
    • Learn SEO
      • Beginner's Guide to SEO
      • SEO Learning Center
      • Moz Academy
      • MozCon
      • Webinars, Whitepapers, & Guides
    • Blog
    • Why Moz
      • Digital Marketers
      • Agency Solutions
      • Enterprise Solutions
      • Small Business Solutions
      • The Moz Story
      • New Releases
    • Log in
    • Log out
    • Products
      • Moz Pro

        Your all-in-one suite of SEO essentials.

      • Moz Local

        Raise your local SEO visibility with complete local SEO management.

      • STAT

        SERP tracking and analytics for enterprise SEO experts.

      • Moz API

        Power your SEO with our index of over 44 trillion links.

      • Compare SEO Products

        See which Moz SEO solution best meets your business needs.

      • Moz Data

        Power your SEO strategy & AI models with custom data solutions.

      Turn SEO data into actionable content briefs

      Turn SEO data into actionable content briefs

      Learn more
    • Free SEO Tools
      • Domain Analysis

        Get top competitive SEO metrics like DA, top pages and more.

      • Keyword Explorer

        Find traffic-driving keywords with our 1.25 billion+ keyword index.

      • Link Explorer

        Explore over 40 trillion links for powerful backlink data.

      • Competitive Research

        Uncover valuable insights on your organic search competitors.

      • MozBar

        See top SEO metrics for free as you browse the web.

      • More Free SEO Tools

        Explore all the free SEO tools Moz has to offer.

      Let your business shine with Listings AI

      Let your business shine with Listings AI

      Get found
    • Learn SEO
      • Beginner's Guide to SEO

        The #1 most popular introduction to SEO, trusted by millions.

      • SEO Learning Center

        Broaden your knowledge with SEO resources for all skill levels.

      • On-Demand Webinars

        Learn modern SEO best practices from industry experts.

      • How-To Guides

        Step-by-step guides to search success from the authority on SEO.

      • Moz Academy

        Upskill and get certified with on-demand courses & certifications.

      • MozCon

        Save on Early Bird tickets and join us in London or New York City

      Access 20 years of data with flexible pricing
      Moz API

      Access 20 years of data with flexible pricing

      Find your plan
    • Blog
    • Why Moz
      • Digital Marketers

        Simplify SEO tasks to save time and grow your traffic.

      • Small Business Solutions

        Uncover insights to make smarter marketing decisions in less time.

      • Agency Solutions

        Earn & keep valuable clients with unparalleled data & insights.

      • Enterprise Solutions

        Gain a competitive edge in the ever-changing world of search.

      • The Moz Story

        Moz was the first & remains the most trusted SEO company.

      • New Releases

        Get the scoop on the latest and greatest from Moz.

      Surface actionable competitive intel
      New Feature

      Surface actionable competitive intel

      Learn More
    • Log in
      • Moz Pro
      • Moz Local
      • Moz Local Dashboard
      • Moz API
      • Moz API Dashboard
      • Moz Academy
    • Avatar
      • Moz Home
      • Notifications
      • Account & Billing
      • Manage Users
      • Community Profile
      • My Q&A
      • My Videos
      • Log Out

    The Moz Q&A Forum

    • Forum
    • Questions
    • Users
    • Ask the Community

    Welcome to the Q&A Forum

    Browse the forum for helpful insights and fresh discussions about all things SEO.

    1. Home
    2. Digital Marketing
    3. Web Design
    4. Can anyone recommend a tool that will identify unused and duplicate CSS across an entire site?

    Moz Q&A is closed.

    After more than 13 years, and tens of thousands of questions, Moz Q&A closed on 12th December 2024. Whilst we’re not completely removing the content - many posts will still be possible to view - we have locked both new posts and new replies. More details here.

    Can anyone recommend a tool that will identify unused and duplicate CSS across an entire site?

    Web Design
    4
    6
    3588
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as question
    Log in to reply
    This topic has been deleted. Only users with question management privileges can see it.
    • danatanseo
      danatanseo last edited by

      Hi all,

      So far I have found this one: http://unused-css.com/   It looks like it identifies unused, but perhaps not duplicates? It also has a 5,000 page limit and our site is 8,000+ pages....so we really need something that can handle a site larger than their limit.

      I do have Screaming Frog. Is there a way to use Screaming Frog to locate unused and duplicate CSS?

      Any recommendations and/or tips would be great. I am also aware of the Firefix extensions, but to my knowledge they will only do one page at a time?

      Thanks!

      1 Reply Last reply Reply Quote 0
      • danatanseo
        danatanseo @danatanseo last edited by

        I read your post at Mstoic Hemant and noticed your comment about Firefox 10. Since I couldn't get Dust-Me Spider to work in my current version of Firefox I tried downloading and installing the older version 10 as you suggested. When I did so, I received the message that the Dust-Me Spider was not compatible with this version of Firefox and it was disabled.

        We are considering purchasing the paid version of Unused CSS (http://unused-css.com/pricing) - Do you have any experience using the upgraded version? Does it deliver what it promises?

        Thanks!

        1 Reply Last reply Reply Quote 0
        • danatanseo
          danatanseo @mstoic last edited by

          Hi Hemant,

          I tried using Dust-Me in Firefox, but for some reason it won't work on this sitemap:  http://www.ccisolutions.com/rssfeeds/CCISolutions.xml

          Could it be that this sitemap is too large? I even tried setting up a local folder to store the data, but everytime I try the spider I get the message "The sitemap has no links."

          I am using Firefox 27.0.1

          danatanseo 1 Reply Last reply Reply Quote 0
          • Christy-Correll
            Christy-Correll Staff last edited by

            Hi Dana, did either of these responses help? What did you end up settling on? We'd love an update! Thanks.

            Christy

            1 Reply Last reply Reply Quote 0
            • mstoic
              mstoic last edited by

              I have an article on that here. An extension for firefox called Dust-Me selectors can help you identify unused CSS on multiple pages. It tracks all the pages you visit of a website and tracks classes and ids which were never used. Moreover, you can also give it a sitemap and it will figure out the CSS which was never used.

              danatanseo 1 Reply Last reply Reply Quote 1
              • Travis_Bailey
                Travis_Bailey last edited by

                This sounds like it might just do the trick. You'll need to have Ruby installed for it to work. If you have a Mac, it's already on there. If you have a Windows you'll need this. It's pretty easy, I installed Ruby on my Windows gaming rig. If you're running a Linux flavor, try this.

                Just take your URLs from the site crawl and make a txt file. You can compare that with your CSS file. I've never tried it on a large site, let me know how it goes for you.

                1 Reply Last reply Reply Quote 1
                • 1 / 1
                • First post
                  Last post

                Got a burning SEO question?

                Subscribe to Moz Pro to gain full access to Q&A, answer questions, and ask your own.


                Start my free trial


                Browse Questions

                Explore more categories

                • Moz Tools

                  Chat with the community about the Moz tools.

                • SEO Tactics

                  Discuss the SEO process with fellow marketers

                • Community

                  Discuss industry events, jobs, and news!

                • Digital Marketing

                  Chat about tactics outside of SEO

                • Research & Trends

                  Dive into research and trends in the search industry.

                • Support

                  Connect on product support and feature requests.

                • See all categories

                Related Questions

                • hakhan201

                  My news site not showing in "In the news" list on Google Web Search

                  I got a news website (www.tapscape.com) which is 6 years old and has been on Google News since 2012. However, whenever I publish a news article, it never shows up "In the news" list on Google Web Search. I have already added the schema.org/NewsArticle on the website and have checked it if it's working or not on Google structured data testing tool. I see everything shows on on the structured data testing tool. The site already has a news sitemap (http://www.tapscape.com/news-sitemap.xml) and has been added to Google webmaster tools. News articles show perfectly fine in the News tab, but why isn't the articles being shown on "In the news" list on the Google web search? My site has a strong backlink background already, so I don't think I need to work on the backlinks. Please let me know what I'm doing wrong, and how can I get it to the news articles on "In the news" list. Below is a screenshot that I have attached to this question to help you understand what I mean to say. 1qoArRs

                  Web Design | | hakhan201
                  0
                • BearPaw88

                  Can a cloud based firewall affect my search ranking?

                  Hi, I recently implemented a firewall on my website to prevent hacking attacks. We were getting a crazy amount of people per day trying to brute force our website. I used the sucuri cloud proxy firewall service which they claim because of the super fast caching actually helps SEO. I was just wondering is this true? Because we're slowly falling further and further down the SERPS and i really don't know why. If not, is there any major google update recently I don't know about? Thanks, Robert

                  Web Design | | BearPaw88
                  0
                • EcommerceSite

                  What is the best tool to view your page as Googlebot?

                  Our site was done with asp.net and a lot of scripting. I want to see what Google can see and what it can't. What is the best tool that duplicates Googlebot? I have found several but they seem old or inaccurate.

                  Web Design | | EcommerceSite
                  0
                • bronxpad

                  CSS vs Javascript vs JQuery drop down navigation

                  For a user / seo perspective, what is the best way to code a drop down menu nav bar? Is it best to use css, javascript or a scripting library like jquery? I am thinking about overall best practice that will not have a negative impact on serps. I am also thinking about what will work best on all types of devices i.e. desk tops, lap tops, smart phones and tablets. What are the Pro's & Cons of Using CSS for Drop Down Menus. What are the Pro's & cons of using Javascript for drop down menus. And the same question for jquery. Thank you all in advance for your ideas.

                  Web Design | | bronxpad
                  0
                • jensonseo

                  Anyone Got An Honest Opinion Of WPengine

                  Hi Guys, I wonder if any of you have used / are using WPengine. I am had thought about using them before and was really impressed by there load speeds. They are pretty expensive though when compared to others. Now, I already have ok hosting but everything is run through a cdn and S3 for streaming HD Videos. Is it worthwhile shelling out for WP engine (pro) or is it better to just stick with an OK host and cdn. Opinions are greatly appreciated. Thanks Jenson

                  Web Design | | jensonseo
                  0
                • DFM_GSA

                  Should the parent directory of the main site-navigation be clickable or not?!?

                  Highly discussed in our team is the question: Should all parent navigation items be clickable, or only the ones that have no child menu appearing on mouse over? At Starwood Germany, we  would like to adjust the main navigation for all our websites in order to improve consistency and user friendliness. At the moment, most of our websites feature both clickable non-clickable parent items, depending on whether the items have a corresponding child menu (appearing on mouse over) or not. See example here: http://www.imperialvienna.com/en Some of our team members believe it might be irritating and/or confusing for the user if some items are clickable while others are not. What do you think? Any thoughts and insights would be truly appreciated!

                  Web Design | | DFM_GSA
                  0
                • sanchez1960

                  Footer backlinks for sites I've developed

                  I link back to my website via my company name on the footers of sites I develop.  Lately I've been changing this to my keyword and mixing and matching.  This has been done for new sites I create and old sites I've not seen any benefit so far after a couple of months. Most my clients are hosted on the same server as my main site that it links back to. 1. Is this a bad idea to link back on the same IP?
                  2. Is footer backlinks to the main developer going to annoy Google?
                  3. Should I change my main site's server, will it help? All my competitors seem to do it and as far as I can tell they seem to get better results than I do.  Because I'm now changing them the reason I see no benefit? Thanks

                  Web Design | | sanchez1960
                  0
                • C-Style

                  Flat vs. Silo Site Architecture, What's Better

                  I'm in the midst of converting a fairly large website (500+ pages) into WordPress as a content management system. I know that there are two schools of thought regarding site architecture: Those who believe that everything should be categorized, I.E.- website.com/shoes/reebok/running People who believe that the less clicks it takes from the homepage the better. As it stands, our current site has a completely flat architecture, with landing pages being added randomly to the root, I.E.- website.com/affordable-shoes-in-louisville-ky I'm beginning to think that there is a gray area with this. I spoke to someone who says that you should never have a page more than 2 categories/subfolders deep. But if we plan on adding a lot of content doesn't it make sense to set the site up into many categories so we can set a good foundation for adding massive amounts of content. Also, will 301 redirecting to the new structure cause us to lose rankings for certain terms? Any help here is appreciated.

                  Web Design | | C-Style
                  0

                Get started with Moz Pro!

                Unlock the power of advanced SEO tools and data-driven insights.

                Start my free trial
                Products
                • Moz Pro
                • Moz Local
                • Moz API
                • Moz Data
                • STAT
                • Product Updates
                Moz Solutions
                • SMB Solutions
                • Agency Solutions
                • Enterprise Solutions
                • Digital Marketers
                Free SEO Tools
                • Domain Authority Checker
                • Link Explorer
                • Keyword Explorer
                • Competitive Research
                • Brand Authority Checker
                • Local Citation Checker
                • MozBar Extension
                • MozCast
                Resources
                • Blog
                • SEO Learning Center
                • Help Hub
                • Beginner's Guide to SEO
                • How-to Guides
                • Moz Academy
                • API Docs
                About Moz
                • About
                • Team
                • Careers
                • Contact
                Why Moz
                • Case Studies
                • Testimonials
                Get Involved
                • Become an Affiliate
                • MozCon
                • Webinars
                • Practical Marketer Series
                • MozPod
                Connect with us

                Contact the Help team

                Join our newsletter
                Moz logo
                © 2021 - 2026 SEOMoz, Inc., a Ziff Davis company. All rights reserved. Moz is a registered trademark of SEOMoz, Inc.
                • Accessibility
                • Terms of Use
                • Privacy

                Looks like your connection to Moz was lost, please wait while we try to reconnect.