Sunday, June 6, 2021

Bunch of questions about Core Web Vitals site improvements

Hi all, web developer here. I've been tasked with improving a few sites in regards to Core Web Vitals. I've generated a report with Lighthouse but have a few questions. I'm hoping some one here might be able to shed light on them:

  • I have a bunch of 'Appropriately sized image' errors. There are for banner images that shrink/expand relative to the browser window size. How can I address this issue without making an infinite amount of appropriately sized images to load at each potential window size?
  • Are CDNs for third part scripts still preferred over locally hosted scripts?
  • I'm told to remove unused CSS classes and there are a bunch for the home page (I have just 1 CSS file). Should I be creating individual CSS files for each page type?

Many thanks for the above!

submitted by /u/MeltingDog
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from Search Engine Optimization: The Latest SEO News https://www.reddit.com/r/SEO/comments/nu0lvw/bunch_of_questions_about_core_web_vitals_site/>

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