Title: [Jetpack Boost - Website Speed, Performance and Critical CSS] Support - page 21 | 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%2F21%2F%3Foutput_format%3Dmd&locale=en_US) [←](https://wordpress.org/support/plugin/jetpack-boost/page/20/?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)… [20](https://wordpress.org/support/plugin/jetpack-boost/page/20/?output_format=md) 21 [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/22/?output_format=md) - Topic - Participants - Replies - Last Post * - [HTTP 404 error received while communicating with the server.](https://wordpress.org/support/topic/http-404-error-received-while-communicating-with-the-server/) - Started by: [Judhianto](https://wordpress.org/support/users/judhianto/) - 2 - 1 - [4 years, 9 months ago](https://wordpress.org/support/topic/http-404-error-received-while-communicating-with-the-server/#post-14795434) - [Dan (a11n)](https://wordpress.org/support/users/drawmyface/) * - [Unable to insert blog](https://wordpress.org/support/topic/unable-to-insert-blog-12/) - Started by: [willie0512](https://wordpress.org/support/users/willie0512/) - 2 - 2 - [4 years, 9 months ago](https://wordpress.org/support/topic/unable-to-insert-blog-12/#post-14791841) - [willie0512](https://wordpress.org/support/users/willie0512/) * - [Failed to generate Critical CSS](https://wordpress.org/support/topic/failed-to-generate-critical-css-6/) - Started by: [ericaferguson](https://wordpress.org/support/users/ericaferguson/) - 8 - 11 - [4 years, 9 months ago](https://wordpress.org/support/topic/failed-to-generate-critical-css-6/#post-14836943) - [Mew](https://wordpress.org/support/users/gokumew2/) * - [Jetpack Boost: Failure to generate Critical CSS](https://wordpress.org/support/topic/jetpack-boost-failure-to-generate-critical-css/) - Started by: [chasclifton](https://wordpress.org/support/users/chasclifton/) - 4 - 8 - [4 years, 6 months ago](https://wordpress.org/support/topic/jetpack-boost-failure-to-generate-critical-css/#post-15121970) - [Kevin](https://wordpress.org/support/users/kevinsandlingmailcom/) * - [Script loaded at bottom of page instead of in sidebar](https://wordpress.org/support/topic/script-loaded-at-bottom-of-page-instead-in-sidebar/) - Started by: [elgopa](https://wordpress.org/support/users/elgopa/) - 4 - 7 - [4 years, 9 months ago](https://wordpress.org/support/topic/script-loaded-at-bottom-of-page-instead-in-sidebar/#post-14839152) - [pasmith](https://wordpress.org/support/users/pasmith/) * - [mobile bad desktop good](https://wordpress.org/support/topic/mobile-bad-desktop-good/) - Started by: [veganadvocate](https://wordpress.org/support/users/veganadvocate/) - 2 - 1 - [4 years, 10 months ago](https://wordpress.org/support/topic/mobile-bad-desktop-good/#post-14726412) - [Karen Attfield](https://wordpress.org/support/users/wpkaren/) * - [Failed to generate Critical CSS – Unexpected content loaded at site url](https://wordpress.org/support/topic/failed-to-generate-critical-css-unexpected-content-loaded-at-site-url/) - Started by: [Valerie](https://wordpress.org/support/users/eve777/) - 3 - 5 - [4 years, 10 months ago](https://wordpress.org/support/topic/failed-to-generate-critical-css-unexpected-content-loaded-at-site-url/#post-14690475) - [deathlynotes](https://wordpress.org/support/users/deathlynotes/) * - [[NSFW] HTTP 429 error received while communicating with the server.](https://wordpress.org/support/topic/http-429-error-received-while-communicating-with-the-server/) - Started by: [mprayer](https://wordpress.org/support/users/mprayer/) - 2 - 1 - [4 years, 10 months ago](https://wordpress.org/support/topic/http-429-error-received-while-communicating-with-the-server/#post-14663763) - [Animesh Gaurav](https://wordpress.org/support/users/bizanimesh/) * - [setting for wp fastest cache with jetpack boost](https://wordpress.org/support/topic/setting-for-wp-fastest-cache-with-jetpack-boost/) - Started by: [Ruma Dey Baidya](https://wordpress.org/support/users/holidaystory17/) - 2 - 4 - [4 years, 11 months ago](https://wordpress.org/support/topic/setting-for-wp-fastest-cache-with-jetpack-boost/#post-14658372) - [Ruma Dey Baidya](https://wordpress.org/support/users/holidaystory17/) * - [Compaitibility with CloudFlare](https://wordpress.org/support/topic/compaitibility-with-cloudflare/) - Started by: [silverfox93](https://wordpress.org/support/users/silverfox93/) - 4 - 3 - [4 years, 11 months ago](https://wordpress.org/support/topic/compaitibility-with-cloudflare/#post-14639245) - [Dan (a11n)](https://wordpress.org/support/users/drawmyface/) * - [Can’t delete plugin](https://wordpress.org/support/topic/cant-delete-plugin-24/) - Started by: [silverfox93](https://wordpress.org/support/users/silverfox93/) - 3 - 5 - [4 years, 11 months ago](https://wordpress.org/support/topic/cant-delete-plugin-24/#post-14660857) - [silverfox93](https://wordpress.org/support/users/silverfox93/) * - [Blocked Script Execution](https://wordpress.org/support/topic/blocked-script-execution/) - Started by: [Kunal Desai](https://wordpress.org/support/users/iamkunaldesai/) - 5 - 8 - [4 years, 10 months ago](https://wordpress.org/support/topic/blocked-script-execution/#post-14667813) - [Animesh Gaurav](https://wordpress.org/support/users/bizanimesh/) * - [Critical css issue](https://wordpress.org/support/topic/critical-css-issue/) - Started by: [lettisofa](https://wordpress.org/support/users/lettisofa/) - 4 - 8 - [4 years, 11 months ago](https://wordpress.org/support/topic/critical-css-issue/#post-14630819) - [Dan (a11n)](https://wordpress.org/support/users/drawmyface/) * - [Can’t delete plugin](https://wordpress.org/support/topic/cant-delete-plugin-23/) - Started by: [ktaylor310](https://wordpress.org/support/users/ktaylor310/) - 4 - 4 - [4 years, 11 months ago](https://wordpress.org/support/topic/cant-delete-plugin-23/#post-14653938) - [davidlonjonxwp](https://wordpress.org/support/users/davidlonjonxwp/) * - [Failed to connect to WordPress.com](https://wordpress.org/support/topic/failed-to-connect-to-wordpress-com/) - Started by: [romi74](https://wordpress.org/support/users/romi74/) - 3 - 2 - [4 years, 11 months ago](https://wordpress.org/support/topic/failed-to-connect-to-wordpress-com/#post-14606985) - [Animesh Gaurav](https://wordpress.org/support/users/bizanimesh/) * - [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-2/) - Started by: [Tim](https://wordpress.org/support/users/tjalexander70/) - 4 - 10 - [4 years, 11 months ago](https://wordpress.org/support/topic/your-sites-rest-api-does-not-seem-to-be-accessible-2/#post-14652854) - [deathlynotes](https://wordpress.org/support/users/deathlynotes/) * - [Error sending Critical CSS generation](https://wordpress.org/support/topic/error-sending-critical-css-generation/) - Started by: [Jacob Mugwana](https://wordpress.org/support/users/musasiug/) - 2 - 1 - [4 years, 11 months ago](https://wordpress.org/support/topic/error-sending-critical-css-generation/#post-14562402) - [Stef (a11n)](https://wordpress.org/support/users/erania-pinnera/) * - [Unexpected token < in JSON at position 0](https://wordpress.org/support/topic/unexpected-token-in-json-at-position-0-19/) - Started by: [Gio](https://wordpress.org/support/users/giothelawa/) - 2 - 1 - [4 years, 11 months ago](https://wordpress.org/support/topic/unexpected-token-in-json-at-position-0-19/#post-14557665) - [Animesh Gaurav](https://wordpress.org/support/users/bizanimesh/) * - [wpadminbar](https://wordpress.org/support/topic/wpadminbar-3/) - Started by: [eddie](https://wordpress.org/support/users/ediet/) - 2 - 1 - [5 years ago](https://wordpress.org/support/topic/wpadminbar-3/#post-14535508) - [Stef (a11n)](https://wordpress.org/support/users/erania-pinnera/) * - [BuddyPress compatibility](https://wordpress.org/support/topic/buddypress-compatibility-44/) - Started by: [eddie](https://wordpress.org/support/users/ediet/) - 2 - 1 - [5 years ago](https://wordpress.org/support/topic/buddypress-compatibility-44/#post-14535467) - [Stef (a11n)](https://wordpress.org/support/users/erania-pinnera/) * - [Couldn’t get the site score (REST API not accessible)](https://wordpress.org/support/topic/couldnt-get-the-site-score-rest-api-not-accessible/) - Started by: [maganmi](https://wordpress.org/support/users/maganmi/) - 5 - 12 - [4 years, 11 months ago](https://wordpress.org/support/topic/couldnt-get-the-site-score-rest-api-not-accessible/#post-14570527) - [maganmi](https://wordpress.org/support/users/maganmi/) * - [[NSFW] Failed to generate Critical CSS? Question](https://wordpress.org/support/topic/failed-to-generate-critical-css-question/) - Started by: [Deon](https://wordpress.org/support/users/deon-b/) - 2 - 1 - [5 years ago](https://wordpress.org/support/topic/failed-to-generate-critical-css-question/#post-14522757) - [Animesh Gaurav](https://wordpress.org/support/users/bizanimesh/) * - [Exclude Scripts List](https://wordpress.org/support/topic/exclude-scripts-list/) - Started by: [jessebrightman](https://wordpress.org/support/users/jessebrightman/) - 2 - 1 - [5 years ago](https://wordpress.org/support/topic/exclude-scripts-list/#post-14516582) - [Dan (a11n)](https://wordpress.org/support/users/drawmyface/) * - [Why is a Jetpack Connection required?](https://wordpress.org/support/topic/why-is-a-jetpack-connection-required/) - Started by: [Adrian Mörchen](https://wordpress.org/support/users/adrian2k7/) - 2 - 2 - [5 years ago](https://wordpress.org/support/topic/why-is-a-jetpack-connection-required/#post-14510142) - [Adrian Mörchen](https://wordpress.org/support/users/adrian2k7/) * - [Jetpack Boost Issue](https://wordpress.org/support/topic/jetpack-boost-issue/) - Started by: [advertisementnetworkcuracao](https://wordpress.org/support/users/advertisementnetworkcuracao/) - 5 - 4 - [4 years, 12 months ago](https://wordpress.org/support/topic/jetpack-boost-issue/#post-14542034) - [Animesh Gaurav](https://wordpress.org/support/users/bizanimesh/) * - [sitemap xsl still not working in 1.0.6](https://wordpress.org/support/topic/sitemap-xsl-still-not-working-in-1-0-6/) - Started by: [et7ioqir42](https://wordpress.org/support/users/et7ioqir42/) - 3 - 11 - [5 years ago](https://wordpress.org/support/topic/sitemap-xsl-still-not-working-in-1-0-6/#post-14505362) - [Nauris](https://wordpress.org/support/users/pyronaur/) * - [Failed to generate Critical CSS: Failed to verify page at *](https://wordpress.org/support/topic/failed-to-generate-critical-css-failed-to-verify-page-at/) - Started by: [Fahad Ahammed](https://wordpress.org/support/users/obakfahad/) - 3 - 5 - [4 years, 11 months ago](https://wordpress.org/support/topic/failed-to-generate-critical-css-failed-to-verify-page-at/#post-14568679) - [Fahad Ahammed](https://wordpress.org/support/users/obakfahad/) * - [Failed to fetch cross-domain content](https://wordpress.org/support/topic/failed-to-fetch-cross-domain-content/) - Started by: [cmkl](https://wordpress.org/support/users/cmkl/) - 3 - 5 - [5 years ago](https://wordpress.org/support/topic/failed-to-fetch-cross-domain-content/#post-14537160) - [Animesh Gaurav](https://wordpress.org/support/users/bizanimesh/) * - [[NSFW] Failed to execute ‘json’ on ‘Response’](https://wordpress.org/support/topic/failed-to-execute-json-on-response/) - Started by: [clippingworld04](https://wordpress.org/support/users/clippingworld04/) - 2 - 3 - [5 years ago](https://wordpress.org/support/topic/failed-to-execute-json-on-response/#post-14488412) - [davidlonjonxwp](https://wordpress.org/support/users/davidlonjonxwp/) * - [Failed to execute ‘json’](https://wordpress.org/support/topic/failed-to-execute-json/) - Started by: [motomars](https://wordpress.org/support/users/motomars/) - 4 - 5 - [5 years ago](https://wordpress.org/support/topic/failed-to-execute-json/#post-14483610) - [Nauris](https://wordpress.org/support/users/pyronaur/) *   [←](https://wordpress.org/support/plugin/jetpack-boost/page/20/?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)… [20](https://wordpress.org/support/plugin/jetpack-boost/page/20/?output_format=md) 21 [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/22/?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/)