Title: [Jetpack Boost - Website Speed, Performance and Critical CSS] Support - page 13 | 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%2F13%2F%3Foutput_format%3Dmd&locale=en_US) [←](https://wordpress.org/support/plugin/jetpack-boost/page/12/?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)… [12](https://wordpress.org/support/plugin/jetpack-boost/page/12/?output_format=md) 13 [14](https://wordpress.org/support/plugin/jetpack-boost/page/14/?output_format=md)… [22](https://wordpress.org/support/plugin/jetpack-boost/page/22/?output_format=md) [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/14/?output_format=md) - Topic - Participants - Replies - Last Post * - [Failing to generate critical CSS](https://wordpress.org/support/topic/failing-to-generate-critical-css-2/) - Started by: [Unsin Jeong](https://wordpress.org/support/users/lucetevee/) - 4 - 4 - [2 years, 9 months ago](https://wordpress.org/support/topic/failing-to-generate-critical-css-2/#post-16991166) - [Tamirat B. (a11n)](https://wordpress.org/support/users/tamirat22/) * - [Failing to generate critical CSS](https://wordpress.org/support/topic/failing-to-generate-critical-css/) - Started by: [musicudio](https://wordpress.org/support/users/musicudio/) - 4 - 4 - [2 years, 10 months ago](https://wordpress.org/support/topic/failing-to-generate-critical-css/#post-16967625) - [Erina (a11n)](https://wordpress.org/support/users/eri32s98/) * - [It looks like this page does not contain any relevant CSS in its external style](https://wordpress.org/support/topic/it-looks-like-this-page-does-not-contain-any-relevant-css-in-its-external-style/) - Started by: [antonfo](https://wordpress.org/support/users/antonfo/) - 2 - 1 - [2 years, 10 months ago](https://wordpress.org/support/topic/it-looks-like-this-page-does-not-contain-any-relevant-css-in-its-external-style/#post-16928320) - [Mohamed Mehdi Benchalal](https://wordpress.org/support/users/muffinpeace/) * - [Failed to generate Critical CSS](https://wordpress.org/support/topic/failed-to-generate-critical-css-49/) - Started by: [naveensuk](https://wordpress.org/support/users/naveensuk/) - 4 - 4 - [2 years, 10 months ago](https://wordpress.org/support/topic/failed-to-generate-critical-css-49/#post-16955026) - [Tamirat B. (a11n)](https://wordpress.org/support/users/tamirat22/) * - [Failing to generate critical CSS – trailing slash on homepage?](https://wordpress.org/support/topic/failing-to-generate-critical-css-trailing-slash-on-homepage/) - Started by: [steamericas](https://wordpress.org/support/users/steamericas/) - 2 - 1 - [2 years, 10 months ago](https://wordpress.org/support/topic/failing-to-generate-critical-css-trailing-slash-on-homepage/#post-16922196) - [Bruce (a11n)](https://wordpress.org/support/users/bruceallen/) * - [Failed to generate Critical CSS](https://wordpress.org/support/topic/failed-to-generate-critical-css-48/) - Started by: [gamatimes](https://wordpress.org/support/users/gamatimes/) - 4 - 3 - [2 years, 10 months ago](https://wordpress.org/support/topic/failed-to-generate-critical-css-48/#post-16940331) - [Stef (a11n)](https://wordpress.org/support/users/erania-pinnera/) * - [Failed to generate Critical CSS](https://wordpress.org/support/topic/failed-to-generate-critical-css-47/) - Started by: [pravin2080](https://wordpress.org/support/users/pravin2080/) - 3 - 2 - [2 years, 10 months ago](https://wordpress.org/support/topic/failed-to-generate-critical-css-47/#post-16913278) - [JS (a11n)](https://wordpress.org/support/users/julesomattic/) * - [Performance Problems caused by Jetpack Boost](https://wordpress.org/support/topic/performance-problems-caused-by-jetpack-boost/) [1](https://wordpress.org/support/topic/performance-problems-caused-by-jetpack-boost/?output_format=md) [2](https://wordpress.org/support/topic/performance-problems-caused-by-jetpack-boost/page/2/?output_format=md) - Started by: [kuechenlatein](https://wordpress.org/support/users/kuechenlatein/) - 6 - 19 - [2 years, 8 months ago](https://wordpress.org/support/topic/performance-problems-caused-by-jetpack-boost/page/2/#post-17094156) - [kuechenlatein](https://wordpress.org/support/users/kuechenlatein/) * - [CDN not displaying video with “X” theme.](https://wordpress.org/support/topic/cdn-not-displaying-video-with-x-theme/) - Started by: [mattinventive](https://wordpress.org/support/users/mattinventive/) - 3 - 3 - [2 years, 10 months ago](https://wordpress.org/support/topic/cdn-not-displaying-video-with-x-theme/#post-16928573) - [Mohamed Mehdi Benchalal](https://wordpress.org/support/users/muffinpeace/) * - [Kritisches CSS konnte nicht generiert werden](https://wordpress.org/support/topic/kritisches-css-konnte-nicht-generiert-werden/) - Started by: [kuechenlatein](https://wordpress.org/support/users/kuechenlatein/) - 3 - 6 - [2 years, 9 months ago](https://wordpress.org/support/topic/kritisches-css-konnte-nicht-generiert-werden/#post-16997255) - [kuechenlatein](https://wordpress.org/support/users/kuechenlatein/) * - [Broken images, some images won’t open or load in W0 CDN](https://wordpress.org/support/topic/broken-images-some-images-wont-open-or-load-in-w0-cdn/) - Started by: [mariobhz86](https://wordpress.org/support/users/mariobhz86/) - 2 - 3 - [2 years, 10 months ago](https://wordpress.org/support/topic/broken-images-some-images-wont-open-or-load-in-w0-cdn/#post-16903846) - [mariobhz86](https://wordpress.org/support/users/mariobhz86/) * - [Error : Failed to generate Critical CSS](https://wordpress.org/support/topic/error-failed-to-generate-critical-css/) - Started by: [sourabhdhanuk](https://wordpress.org/support/users/sourabhdhanuk/) - 3 - 2 - [2 years, 10 months ago](https://wordpress.org/support/topic/error-failed-to-generate-critical-css/#post-16915532) - [Tamirat B. (a11n)](https://wordpress.org/support/users/tamirat22/) * - [Failed to load Speed Scores](https://wordpress.org/support/topic/failed-to-load-speed-scores-6/) - Started by: [ildomandatore](https://wordpress.org/support/users/ildomandatore/) - 4 - 4 - [2 years, 10 months ago](https://wordpress.org/support/topic/failed-to-load-speed-scores-6/#post-16926535) - [Tamirat B. (a11n)](https://wordpress.org/support/users/tamirat22/) * - [Can you help me optimize performance with Cloudflare?](https://wordpress.org/support/topic/can-you-help-me-optimize-performance-with-cloudflare/) - Started by: [ildomandatore](https://wordpress.org/support/users/ildomandatore/) - 5 - 7 - [2 years, 10 months ago](https://wordpress.org/support/topic/can-you-help-me-optimize-performance-with-cloudflare/#post-16941879) - [lastsplash (a11n)](https://wordpress.org/support/users/lastsplash/) * - [jetpack boost plugin error](https://wordpress.org/support/topic/jetpack-boost-plugin-error/) - Started by: [damia123](https://wordpress.org/support/users/damia123/) - 3 - 2 - [2 years, 11 months ago](https://wordpress.org/support/topic/jetpack-boost-plugin-error/#post-16894148) - [Tamirat B. (a11n)](https://wordpress.org/support/users/tamirat22/) * - [Failed to generate critical CSS](https://wordpress.org/support/topic/failed-to-generate-critical-css-45/) - Started by: [graysonpoff](https://wordpress.org/support/users/graysonpoff/) - 3 - 3 - [2 years, 10 months ago](https://wordpress.org/support/topic/failed-to-generate-critical-css-45/#post-16905918) - [Erina (a11n)](https://wordpress.org/support/users/eri32s98/) * - [Boost Blank](https://wordpress.org/support/topic/boost-blank/) - Started by: [ckhagen](https://wordpress.org/support/users/ckhagen/) - 3 - 2 - [2 years, 11 months ago](https://wordpress.org/support/topic/boost-blank/#post-16884282) - [Jay](https://wordpress.org/support/users/bluejay77/) * - [CDN not work for me](https://wordpress.org/support/topic/cdn-not-work-for-me/) - Started by: [jokeruzzo](https://wordpress.org/support/users/jokeruzzo/) - 3 - 2 - [2 years, 11 months ago](https://wordpress.org/support/topic/cdn-not-work-for-me/#post-16867467) - [Stef (a11n)](https://wordpress.org/support/users/erania-pinnera/) * - [Jetpack Boost Image CDN (beta)](https://wordpress.org/support/topic/jetpack-boost-image-cdn-beta/) - Started by: [Ruud Baarslag](https://wordpress.org/support/users/ruba1956/) - 4 - 4 - [2 years, 11 months ago](https://wordpress.org/support/topic/jetpack-boost-image-cdn-beta/#post-16870733) - [Ruud Baarslag](https://wordpress.org/support/users/ruba1956/) * - [CDN showing 640px images in slider](https://wordpress.org/support/topic/cdn-showing-640px-images-in-slider/) - Started by: [davindersangha1](https://wordpress.org/support/users/davindersangha1/) - 3 - 3 - [2 years, 11 months ago](https://wordpress.org/support/topic/cdn-showing-640px-images-in-slider/#post-16864335) - [Stef (a11n)](https://wordpress.org/support/users/erania-pinnera/) * - [Jetpack Booster CDN not working](https://wordpress.org/support/topic/jetpack-booster-cdn-not-working/) - Started by: [Francisco González](https://wordpress.org/support/users/fgonza1971/) - 5 - 6 - [2 years, 8 months ago](https://wordpress.org/support/topic/jetpack-booster-cdn-not-working/#post-17095532) - [Erina (a11n)](https://wordpress.org/support/users/eri32s98/) * - [Failed to generate Critical CSS](https://wordpress.org/support/topic/failed-to-generate-critical-css-44/) - Started by: [elandryl](https://wordpress.org/support/users/elandryl/) - 2 - 3 - [2 years, 11 months ago](https://wordpress.org/support/topic/failed-to-generate-critical-css-44/#post-16820957) - [Animesh Gaurav](https://wordpress.org/support/users/bizanimesh/) * - [Boost feature made metrics worse](https://wordpress.org/support/topic/boost-feature-made-metrics-worse/) - Started by: [wotnow](https://wordpress.org/support/users/wotnow/) - 3 - 2 - [2 years, 11 months ago](https://wordpress.org/support/topic/boost-feature-made-metrics-worse/#post-16827724) - [Tamirat B. (a11n)](https://wordpress.org/support/users/tamirat22/) * - [Problem with the latest update (1.9.0)](https://wordpress.org/support/topic/problem-with-the-latest-update-1-9-0/) - Started by: [Juri](https://wordpress.org/support/users/rudijuri/) - 2 - 1 - [3 years ago](https://wordpress.org/support/topic/problem-with-the-latest-update-1-9-0/#post-16798162) - [Kellie (a11n)](https://wordpress.org/support/users/lavenderhaze/) * - [Certain pages are skipped for unknown reason from critical CSS](https://wordpress.org/support/topic/certain-pages-are-skipped-for-unknown-reason-from-critical-css/) - Started by: [Pratham](https://wordpress.org/support/users/pratham2003/) - 4 - 4 - [2 years, 11 months ago](https://wordpress.org/support/topic/certain-pages-are-skipped-for-unknown-reason-from-critical-css/#post-16838834) - [Stef (a11n)](https://wordpress.org/support/users/erania-pinnera/) * - [Failed to generate Critical CSS (allegedly due redirect)](https://wordpress.org/support/topic/failed-to-generate-critical-css-allegedly-due-redirect/) - Started by: [sascha309](https://wordpress.org/support/users/sascha309/) - 5 - 7 - [2 years, 11 months ago](https://wordpress.org/support/topic/failed-to-generate-critical-css-allegedly-due-redirect/#post-16849268) - [Bruce (a11n)](https://wordpress.org/support/users/bruceallen/) * - [Images Appear At Bottom of Site If Defer Non-Essential JavaScript Enabled](https://wordpress.org/support/topic/images-appear-at-bottom-of-site-if-defer-non-essential-javascript-enabled-2/) - Started by: [rebber2](https://wordpress.org/support/users/rebber2/) - 3 - 3 - [3 years ago](https://wordpress.org/support/topic/images-appear-at-bottom-of-site-if-defer-non-essential-javascript-enabled-2/#post-16801283) - [JS (a11n)](https://wordpress.org/support/users/julesomattic/) * - [image cdn + cloudflare](https://wordpress.org/support/topic/image-cdn-cloudflare/) - Started by: [tores54](https://wordpress.org/support/users/tores54/) - 2 - 1 - [3 years ago](https://wordpress.org/support/topic/image-cdn-cloudflare/#post-16751419) - [Alin (a11n)](https://wordpress.org/support/users/alinclamba/) * - [Failed to generate Critical CSS](https://wordpress.org/support/topic/failed-to-generate-critical-css-43/) - Started by: [jennylin1009](https://wordpress.org/support/users/jennylin1009/) - 3 - 8 - [2 years, 12 months ago](https://wordpress.org/support/topic/failed-to-generate-critical-css-43/#post-16814156) - [Animesh Gaurav](https://wordpress.org/support/users/bizanimesh/) * - [Boost Not Working](https://wordpress.org/support/topic/boost-not-working/) - Started by: [Hebrew Israelite Seed Of Abraham Tribe Of Judah Disciple Of Christ](https://wordpress.org/support/users/hebrewjew/) - 3 - 2 - [3 years ago](https://wordpress.org/support/topic/boost-not-working/#post-16750447) - [Stef (a11n)](https://wordpress.org/support/users/erania-pinnera/) *   [←](https://wordpress.org/support/plugin/jetpack-boost/page/12/?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)… [12](https://wordpress.org/support/plugin/jetpack-boost/page/12/?output_format=md) 13 [14](https://wordpress.org/support/plugin/jetpack-boost/page/14/?output_format=md)… [22](https://wordpress.org/support/plugin/jetpack-boost/page/22/?output_format=md) [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/14/?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/)