1. Milind

    Looks promising, looking forward to more modules like concatenation, minification, and photon they will bring a critical speed boost.


    • Daniel Walmsley

      You would be surprised at how some of the optimizations you mentioned can hurt performance on the modern web. http2 means that concatenation and cross-domain cdn can slow things down.


  2. Dan Walmsley

    I’m Dan, one of the engineers at Automattic who worked on Boost. One aspect this article doesn’t mention is how much XWP.co and WordPress VIP were involved in product development. We relied heavily on their expertise with high-end sites to distill the most effective, bulletproof optimizations for free for regular folks. It’s very hard to make performance optimization simple, but I really think we got the formula right. And much more to come!


  3. Lukasz

    I’m just confused why lazy loading is included in the plugin, Isn’t lazy loading now built into WordPress core?


    • Aris Kuckovic

      I was thinking the exact same thing?
      @Dan Walmsley – maybe you can elaborate on this?


    • Nauris

      Lazy loading is included in Core, and eventually it’s going to become a widely adopted standard. For now – Native Lazy Loading support isn’t that great: https://caniuse.com/loading-lazy-attr

      The Lazy Loading module bridges that gap – enabling lazy loading support for browsers that don’t currently support lazy loading.


    • Jakob

      I imagine this is a js based lazy load, whereas the wp core lazy load simply adds the new, somewhat experimental loading=”lazy” attribute to images (and iframes too now iirc)

      Honestly, I kinda prefer the the html attributes since it doesn’t rely on an external script, I wonder if the reasoning for the js method is because it has wider support? My opinion is, that something like this falls under the umbrella of progressive enhancement.


  4. Leo

    Hi, I have few questions. My site is hosted on WordPress.com business plan and I noticed this plugin existed (before it was renamed jetpack boost), is it the same plugin?

    Do I still need to activate this plugin on WordPress.com since the hosting has already good configuration and performance?

    Is this plugin compatible with wp rocket?

    Thank you.


  5. wpJakarta

    Just my opinion, the one and real solution to make faster WordPress is frontity.

    The question is, how to make it frontity easy to use for non developer/no techie person.


  6. Drew Jaynes

    I’d love to know why Jetpack Boost – if it is indeed a separate product – needs to sync the same plethora of data that its big brother Jetpack does if all it’s doing is boosting performance. From the opening screen after activation:

    By clicking the button above, you agree to our Terms of Service and to share details with WordPress.com.

    “share details” is linked to Jetpack’s data sharing doc here: https://jetpack.com/support/what-data-does-jetpack-sync


    • Daniel Walmsley

      Jetpack Boost doesn’t actually sync all the data that Jetpack does, in fact I believe it syncs almost nothing. We just kept the same ToS for simplicity.


  7. Stephen Vaughan

    Not sure if stating that this plugin is standalone is correct. I installed to test, with no other JetPack plugins installed and when I click Get Started it throws a HTTP 500 error received while communicating with the server?


  8. Sukanta Das

    I hope their optimization formula will work.


  9. Tousif Baig

    I hope it doesn’t cause any conflicts with the existing optimization plugins like WP-Rocket. It’s one of my favorites.


  10. Brenda M

    Um, Houston, we have a problem. Looking at the 4th and 5th images above:

    LCP – 7.2s
    TTI – 8.6s
    CLS – 0.003


    LCP – 2.6s
    TTI – 12.2s
    CLS – 0.159

    For now, hard pass on this.


  11. A. J.

    I hope developers will consider offline and PWA related functionality as well.


  12. A. J.

    I tried Jetpack Boost today on my self hosted website which uses Colinear theme by automatic, and the plugin messed up everything from CSS to images. It didn’t even forgive JS code. The website’s WP-follow button stopped loading immediately. I have decided to remove it for now.


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