Support » Fixing WordPress » SIte Speed Results

  • I have a community site that will rely on speed being good so during my testing i am trying to check the site on GTmetrix as i go. I have W3 Total Cache installed and this has sped the site up no end but i still have an issue with the following results…..

    Specify image dimensions – F (0) – 51% – Images – High
    Remove query strings from static resources – F (8) – 91% – Content – High
    Defer parsing of JavaScript – F (9) – 67% – JS – High
    Optimize images – F (21) – 73% – Images – High
    Serve scaled images – F (43) – 90% – Images – High
    Optimize the order of styles and scripts – C (70) – 94% – CSS/JS – High
    Use efficient CSS selectors – F (0) – 20% – CSS – Low
    Remove unused CSS – E (59.7) – 63% – CSS – Low

    A lot of them appear to be image related and i am running EWWW Image Optimize.

    Just need any advice on these high demand errors….

    Thanks

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  • I primary use mod_pagespeed for image related optimization. Earlier, I used CW Image Optimizer with some success too. Ever since mod_pagespeed came out of beta, I never turned back.

    As you could use EWWW Image Optimize, I assume you have control over your server. Because mod_pagespeed requires the changes to be done at the server level.

    Regarding ‘Remove unused CSS’, I don’t think I’d need to worry about it. Because, usually we check only the home page or a popular page within a site. Since it (Gtmetrix) provides suggestions only to a specific page, we do not know, if those unused CSS would be used somewhere else in the site.

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