Is there a way to check which CSS styles are being used or not used on a web page

Question

Want to know which CSS styles are currently being used on a web page

User · Answer

I m using CSS Dig  It is made for chrome  but I think it is a great tool

User · Answer

Without any third-party tools and any app  you can find unused CSS and javascript by using chrome dev tools in the coverage tab  read the post below from google developers  chrome coverage tab

User · Answer

Install the CSS Usage add-on for Firebug and run it on that page  It will tell you which styles are being used and not used by that page

User · Answer

Try using this tool which is just a simple js script https   github com shashwatsahai CSSExtractor  This tool helps in getting the CSS from a specific page listing all sources for active styles and save it to a JSON with source as key and rules as value  It loads all the CSS from the href links and tells all the styles applied from them You can modify the code to save all css into a  css file  Thereby combining all your css

User · Answer

Google Chrome has a two ways to check for unused CSS   1  Audit Tab    Right Click   Inspect Element on the page  find the  Audit  tab  and run the audit  making sure  Web Page Performance  is checked   Lists all unused CSS tags - see image below     Update   - - - - - - - - - - - - - - OR - - - - - - - - - - - - - -  2  Coverage Tab    Right Click   Inspect Element on the page  find the three dots on the far right  circled in image  and open Console Drawer  or hit Esc   finally click the three dots left side in the drawer  circled in image  to open Coverage tool   Chrome launched a tool to see unused CSS and JS  - Chrome 59 Update Allows you to start and stop a recording  red square in image  to allow better coverage of a user experience on the page   Shows all used and unused CSS JS in the files  - see image below

User · Answer

Take a look at UnCSS  It helps in creating a CSS file of used CSS

User · Answer

Just for completeness and because it was asked in the comments - there s also the CSS audit tool in Chrome now for the same purpose  Some details here   http   meeech amihod com very-useful-find-unused-css-rules-with-google

[css] Is there a way to check which CSS styles are being used or not used on a web page?

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