Title: [Jetpack Boost - Website Speed, Performance and Critical CSS] Support - page 22 | WordPress.org --- # [Jetpack Boost - Website Speed, Performance and Critical CSS] Support Search for: [Log in to Create a Topic](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Fplugin%2Fjetpack-boost%2Fpage%2F22%2F%3Foutput_format%3Dmd&locale=en_US) [←](https://wordpress.org/support/plugin/jetpack-boost/page/21/?output_format=md) [1](https://wordpress.org/support/plugin/jetpack-boost/?output_format=md) [2](https://wordpress.org/support/plugin/jetpack-boost/page/2/?output_format=md) [3](https://wordpress.org/support/plugin/jetpack-boost/page/3/?output_format=md)… [21](https://wordpress.org/support/plugin/jetpack-boost/page/21/?output_format=md) 22 [23](https://wordpress.org/support/plugin/jetpack-boost/page/23/?output_format=md) [24](https://wordpress.org/support/plugin/jetpack-boost/page/24/?output_format=md) [→](https://wordpress.org/support/plugin/jetpack-boost/page/23/?output_format=md) - Topic - Participants - Replies - Last Post * - [Why are there 2 jetpack plugins?](https://wordpress.org/support/topic/why-are-there-2-jetpack-plugins/) - Started by: [Squidy McSquid](https://wordpress.org/support/users/x1-bot/) - 2 - 2 - [5 years ago](https://wordpress.org/support/topic/why-are-there-2-jetpack-plugins/#post-14467788) - [Squidy McSquid](https://wordpress.org/support/users/x1-bot/) * - [Your site’s REST API does not seem to be accessible](https://wordpress.org/support/topic/your-sites-rest-api-does-not-seem-to-be-accessible/) - Started by: [skiguru61](https://wordpress.org/support/users/skiguru61/) - 2 - 1 - [5 years ago](https://wordpress.org/support/topic/your-sites-rest-api-does-not-seem-to-be-accessible/#post-14451453) - [Animesh Gaurav](https://wordpress.org/support/users/bizanimesh/) * - [New error when trying to ‘Get Started’](https://wordpress.org/support/topic/new-error-when-trying-to-get-started/) - Started by: [davidoshel](https://wordpress.org/support/users/davidoshel/) - 5 - 8 - [5 years ago](https://wordpress.org/support/topic/new-error-when-trying-to-get-started/#post-14494351) - [Stef (a11n)](https://wordpress.org/support/users/erania-pinnera/) * - [Created a Blank Spare in Visible Screen Area](https://wordpress.org/support/topic/created-a-blank-spare-in-visible-screen-area/) - Started by: [JohnBhatt](https://wordpress.org/support/users/johnbhatt/) - 2 - 2 - [5 years ago](https://wordpress.org/support/topic/created-a-blank-spare-in-visible-screen-area/#post-14440195) - [JohnBhatt](https://wordpress.org/support/users/johnbhatt/) * - [How do i stop alerts that my site is down](https://wordpress.org/support/topic/how-do-i-stop-alerts-that-my-site-is-down/) - Started by: [mynameisme](https://wordpress.org/support/users/mynameisme/) - 2 - 1 - [5 years ago](https://wordpress.org/support/topic/how-do-i-stop-alerts-that-my-site-is-down/#post-14431571) - [Stef (a11n)](https://wordpress.org/support/users/erania-pinnera/) * - [Failed to generate Critical CSS:](https://wordpress.org/support/topic/failed-to-generate-critical-css-4/) - Started by: [filmmakingstudy](https://wordpress.org/support/users/filmmakingstudy/) - 4 - 5 - [5 years ago](https://wordpress.org/support/topic/failed-to-generate-critical-css-4/#post-14433055) - [Jblues](https://wordpress.org/support/users/stayhomeblues/) * - [Whoops, something went wrong](https://wordpress.org/support/topic/whoops-something-went-wrong/) - Started by: [Zakir Sajib](https://wordpress.org/support/users/zakirstage/) - 3 - 6 - [5 years ago](https://wordpress.org/support/topic/whoops-something-went-wrong/#post-14431575) - [Stef (a11n)](https://wordpress.org/support/users/erania-pinnera/) * - [Compatibility with AMP?](https://wordpress.org/support/topic/compatibility-with-amp-9/) - Started by: [Sambuno](https://wordpress.org/support/users/goldmaverick/) - 2 - 1 - [5 years ago](https://wordpress.org/support/topic/compatibility-with-amp-9/#post-14420148) - Anonymous User 18700194 * - [Images/js not loading with “Defer Non-Essential Javascript ” in Jetpack boost](https://wordpress.org/support/topic/images-js-not-loading-with-defer-non-essential-javascript-in-jetpack-boost/) - Started by: [gekondo](https://wordpress.org/support/users/gekondo/) - 2 - 3 - [5 years, 1 month ago](https://wordpress.org/support/topic/images-js-not-loading-with-defer-non-essential-javascript-in-jetpack-boost/#post-14402087) - [Nauris](https://wordpress.org/support/users/pyronaur/) * - [Lazy Load option block Image hovering swap effect on Blocksy theme](https://wordpress.org/support/topic/lazy-load-option-block-image-hovering-swap-effect-on-blocksy-theme/) - Started by: [hiuse](https://wordpress.org/support/users/miammiex/) - 3 - 4 - [5 years, 1 month ago](https://wordpress.org/support/topic/lazy-load-option-block-image-hovering-swap-effect-on-blocksy-theme/#post-14408006) - [Dan (a11n)](https://wordpress.org/support/users/drawmyface/) * - [Defer Non-Essential Javascript Block Robots.txt generation](https://wordpress.org/support/topic/defer-non-essential-javascript-block-robots-txt-generation/) - Started by: [hiuse](https://wordpress.org/support/users/miammiex/) - 2 - 3 - [5 years, 1 month ago](https://wordpress.org/support/topic/defer-non-essential-javascript-block-robots-txt-generation/#post-14396302) - [Animesh Gaurav](https://wordpress.org/support/users/bizanimesh/) * - [Site Health critical issue: Wpcom Connecting Test](https://wordpress.org/support/topic/site-health-critical-issue-wpcom-connecting-test/) - Started by: [t-p](https://wordpress.org/support/users/t-p/) - 4 - 8 - [5 years, 1 month ago](https://wordpress.org/support/topic/site-health-critical-issue-wpcom-connecting-test/#post-14403558) - [Jeremy Herve](https://wordpress.org/support/users/jeherve/) * - [n.replace is not a function If you need further assistance, contact Jetpack Boos](https://wordpress.org/support/topic/n-replace-is-not-a-function-if-you-need-further-assistance-contact-jetpack-boos/) - Started by: [Klcweb](https://wordpress.org/support/users/christinajonson/) - 5 - 8 - [4 years, 11 months ago](https://wordpress.org/support/topic/n-replace-is-not-a-function-if-you-need-further-assistance-contact-jetpack-boos/#post-14640818) - [Klcweb](https://wordpress.org/support/users/christinajonson/) * - [How does JetPack Boost deals with posts with different layouts?](https://wordpress.org/support/topic/how-does-jetpack-boost-deals-with-posts-with-different-layouts/) - Started by: [wpmhweb](https://wordpress.org/support/users/wppit/) - 3 - 4 - [5 years, 1 month ago](https://wordpress.org/support/topic/how-does-jetpack-boost-deals-with-posts-with-different-layouts/#post-14402883) - [wpmhweb](https://wordpress.org/support/users/wppit/) * - [Can I use W3 Total Cache minify CSS with JetPack Boost?](https://wordpress.org/support/topic/can-i-use-w3-total-cache-minify-css-with-jetpack-boost/) - Started by: [wpmhweb](https://wordpress.org/support/users/wppit/) - 4 - 10 - [5 years ago](https://wordpress.org/support/topic/can-i-use-w3-total-cache-minify-css-with-jetpack-boost/#post-14480352) - [Dan (a11n)](https://wordpress.org/support/users/drawmyface/) * - [Jetpack Boost Support Resources](https://wordpress.org/support/topic/jetpack-boost-support-resources/) - Started by: [Dan (a11n)](https://wordpress.org/support/users/drawmyface/) - 1 - 0 - [5 years, 1 month ago](https://wordpress.org/support/topic/jetpack-boost-support-resources/) - [Dan (a11n)](https://wordpress.org/support/users/drawmyface/) * - [Virtual Robots.txt plugin incompatability](https://wordpress.org/support/topic/virtual-robots-txt-plugin-incompatability/) - Started by: [reececvo](https://wordpress.org/support/users/reececvo/) - 3 - 3 - [5 years, 1 month ago](https://wordpress.org/support/topic/virtual-robots-txt-plugin-incompatability/#post-14383914) - [Dan (a11n)](https://wordpress.org/support/users/drawmyface/) * - [Score Not calculating](https://wordpress.org/support/topic/score-not-calculating/) - Started by: [reececvo](https://wordpress.org/support/users/reececvo/) - 5 - 5 - [5 years ago](https://wordpress.org/support/topic/score-not-calculating/#post-14505833) - [Stef (a11n)](https://wordpress.org/support/users/erania-pinnera/) * - [Various PSI and Jetpack Boost ratings](https://wordpress.org/support/topic/%d1%80%d0%b0%d0%b7%d0%bd%d1%8b%d0%b5-%d0%be%d1%86%d0%b5%d0%bd%d0%ba%d0%b8-psi-%d0%b8-jetpack-boost-overall-score/) - Started by: [Irina](https://wordpress.org/support/users/irinashl/) - 4 - 5 - [5 years, 1 month ago](https://wordpress.org/support/topic/%d1%80%d0%b0%d0%b7%d0%bd%d1%8b%d0%b5-%d0%be%d1%86%d0%b5%d0%bd%d0%ba%d0%b8-psi-%d0%b8-jetpack-boost-overall-score/#post-14412459) - Anonymous User 18700194 * - [Enabling Jetpack Boost Features](https://wordpress.org/support/topic/enabling-jetpack-boost-features/) - Started by: [Irina](https://wordpress.org/support/users/irinashl/) - 2 - 2 - [5 years, 1 month ago](https://wordpress.org/support/topic/enabling-jetpack-boost-features/#post-14380832) - [Irina](https://wordpress.org/support/users/irinashl/) * - [HTML minification is not needed?](https://wordpress.org/support/topic/html-minification-is-not-needed/) - Started by: [Irina](https://wordpress.org/support/users/irinashl/) - 4 - 7 - [5 years, 1 month ago](https://wordpress.org/support/topic/html-minification-is-not-needed/#post-14390644) - [Mark (a11n)](https://wordpress.org/support/users/thingalon/) * - [No route was found matching the URL and request method.](https://wordpress.org/support/topic/no-route-was-found-matching-the-url-and-request-method-8/) - Started by: [ahsanbsl15](https://wordpress.org/support/users/ahsanbsl15/) - 2 - 1 - [5 years, 1 month ago](https://wordpress.org/support/topic/no-route-was-found-matching-the-url-and-request-method-8/#post-14377669) - [davidlonjonxwp](https://wordpress.org/support/users/davidlonjonxwp/) * - [Optimizing CSS](https://wordpress.org/support/topic/optimizing-css-2/) - Started by: [Lubyg](https://wordpress.org/support/users/paontheweb/) - 4 - 6 - [4 years, 9 months ago](https://wordpress.org/support/topic/optimizing-css-2/#post-14796634) - [jbryanh](https://wordpress.org/support/users/jbryanh/) * - [Critical CSS Generation Questions](https://wordpress.org/support/topic/critical-css-generation-questions/) - Started by: [mikka23](https://wordpress.org/support/users/mikka23/) - 3 - 3 - [5 years, 1 month ago](https://wordpress.org/support/topic/critical-css-generation-questions/#post-14412472) - Anonymous User 18700194 * - [No one has been able to solve page speed issues](https://wordpress.org/support/topic/no-one-has-been-able-to-solve-page-speed-issues/) - Started by: [jz9520](https://wordpress.org/support/users/jz9520/) - 3 - 3 - [5 years, 1 month ago](https://wordpress.org/support/topic/no-one-has-been-able-to-solve-page-speed-issues/#post-14383776) - [Dan (a11n)](https://wordpress.org/support/users/drawmyface/) * - [Failed to generate Critical CSS](https://wordpress.org/support/topic/failed-to-generate-critical-css-3/) - Started by: [born2excite](https://wordpress.org/support/users/born2excite/) - 4 - 6 - [5 years, 1 month ago](https://wordpress.org/support/topic/failed-to-generate-critical-css-3/#post-14384034) - [born2excite](https://wordpress.org/support/users/born2excite/) * - [possible incompatibility with woocommerce](https://wordpress.org/support/topic/possible-incompatibility-with-woocommerce/) - Started by: [caperadd](https://wordpress.org/support/users/caperadd/) - 2 - 4 - [5 years, 1 month ago](https://wordpress.org/support/topic/possible-incompatibility-with-woocommerce/#post-14370122) - [caperadd](https://wordpress.org/support/users/caperadd/) * - [Unexpected token < in JSON at position 0 If you need further assistance](https://wordpress.org/support/topic/unexpected-token-in-json-at-position-0-if-you-need-further-assistance/) - Started by: [conscience5](https://wordpress.org/support/users/conscience5/) - 2 - 1 - [5 years, 1 month ago](https://wordpress.org/support/topic/unexpected-token-in-json-at-position-0-if-you-need-further-assistance/#post-14365316) - [Dan (a11n)](https://wordpress.org/support/users/drawmyface/) * - [AudioIgniter](https://wordpress.org/support/topic/audioigniter/) - Started by: [howardjosephs](https://wordpress.org/support/users/howardjosephs/) - 2 - 3 - [5 years, 1 month ago](https://wordpress.org/support/topic/audioigniter/#post-14397090) - [howardjosephs](https://wordpress.org/support/users/howardjosephs/) * - [connection not possible](https://wordpress.org/support/topic/connection-not-possible/) - Started by: [foliobook](https://wordpress.org/support/users/foliobook/) - 2 - 1 - [5 years, 1 month ago](https://wordpress.org/support/topic/connection-not-possible/#post-14370947) - Anonymous User 18700194 *   [←](https://wordpress.org/support/plugin/jetpack-boost/page/21/?output_format=md) [1](https://wordpress.org/support/plugin/jetpack-boost/?output_format=md) [2](https://wordpress.org/support/plugin/jetpack-boost/page/2/?output_format=md) [3](https://wordpress.org/support/plugin/jetpack-boost/page/3/?output_format=md)… [21](https://wordpress.org/support/plugin/jetpack-boost/page/21/?output_format=md) 22 [23](https://wordpress.org/support/plugin/jetpack-boost/page/23/?output_format=md) [24](https://wordpress.org/support/plugin/jetpack-boost/page/24/?output_format=md) [→](https://wordpress.org/support/plugin/jetpack-boost/page/23/?output_format=md) * ![](https://ps.w.org/jetpack-boost/assets/icon.svg?rev=2818794) * [Jetpack Boost - Website Speed, Performance and Critical CSS](https://wordpress.org/plugins/jetpack-boost/) * [Frequently Asked Questions](https://wordpress.org/plugins/jetpack-boost/#faq) * [Support Threads](https://wordpress.org/support/plugin/jetpack-boost/) * [Active Topics](https://wordpress.org/support/plugin/jetpack-boost/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/jetpack-boost/unresolved/) * [Reviews](https://wordpress.org/support/plugin/jetpack-boost/reviews/)