Title: [Hummingbird Performance - Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN] Support - page 28 | WordPress.org --- # [Hummingbird Performance - Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN] Support Search for: [Log in to Create a Topic](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Fplugin%2Fhummingbird-performance%2Fpage%2F28%2F%3Foutput_format%3Dmd&locale=en_US) [←](https://wordpress.org/support/plugin/hummingbird-performance/page/27/?output_format=md) [1](https://wordpress.org/support/plugin/hummingbird-performance/?output_format=md) [2](https://wordpress.org/support/plugin/hummingbird-performance/page/2/?output_format=md) [3](https://wordpress.org/support/plugin/hummingbird-performance/page/3/?output_format=md)… [27](https://wordpress.org/support/plugin/hummingbird-performance/page/27/?output_format=md) 28 [29](https://wordpress.org/support/plugin/hummingbird-performance/page/29/?output_format=md)… [40](https://wordpress.org/support/plugin/hummingbird-performance/page/40/?output_format=md) [41](https://wordpress.org/support/plugin/hummingbird-performance/page/41/?output_format=md) [42](https://wordpress.org/support/plugin/hummingbird-performance/page/42/?output_format=md) [→](https://wordpress.org/support/plugin/hummingbird-performance/page/29/?output_format=md) - Topic - Participants - Replies - Last Post * - [inefficient cache policy – how to fix?](https://wordpress.org/support/topic/inefficient-cache-policy-how-to-fix/) - Started by: [beckseden](https://wordpress.org/support/users/beckseden/) - 4 - 6 - [6 years ago](https://wordpress.org/support/topic/inefficient-cache-policy-how-to-fix/#post-12702966) - [parthgohel001](https://wordpress.org/support/users/parthgohel001/) * - [Cache not deleted after post update](https://wordpress.org/support/topic/cache-not-deleted-after-post-update/) - Started by: [coholm](https://wordpress.org/support/users/coholm/) - 5 - 10 - [6 years, 1 month ago](https://wordpress.org/support/topic/cache-not-deleted-after-post-update/#post-12571741) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [What does ‘Asset Optimization–>Activate’ do?](https://wordpress.org/support/topic/what-does-asset-optimization-activate-do/) - Started by: [Carl Gross](https://wordpress.org/support/users/carlgross/) - 2 - 2 - [6 years, 3 months ago](https://wordpress.org/support/topic/what-does-asset-optimization-activate-do/#post-12439820) - [Carl Gross](https://wordpress.org/support/users/carlgross/) * - [ASSET OPTIMIZATION – Please save the settings](https://wordpress.org/support/topic/asset-optimization-please-save-the-settings/) - Started by: [eitanc](https://wordpress.org/support/users/eitanc/) - 2 - 3 - [6 years, 3 months ago](https://wordpress.org/support/topic/asset-optimization-please-save-the-settings/#post-12373816) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [Uncaught ReferenceError](https://wordpress.org/support/topic/uncaught-referenceerror-21/) - Started by: [eitanc](https://wordpress.org/support/users/eitanc/) - 2 - 2 - [6 years, 3 months ago](https://wordpress.org/support/topic/uncaught-referenceerror-21/#post-12366615) - [eitanc](https://wordpress.org/support/users/eitanc/) * - [Browser caching causing Account Suspended during migration](https://wordpress.org/support/topic/browser-caching-causing-account-suspended-during-migration/) - Started by: [twinklepuff](https://wordpress.org/support/users/twinklepuff/) - 3 - 3 - [6 years, 3 months ago](https://wordpress.org/support/topic/browser-caching-causing-account-suspended-during-migration/#post-12382974) - [twinklepuff](https://wordpress.org/support/users/twinklepuff/) * - [Publish Changes returns error on Asset Optimisation page](https://wordpress.org/support/topic/publish-changes-returns-error-on-asset-optimisation-page/) - Started by: [cdoyle88](https://wordpress.org/support/users/cdoyle88/) - 4 - 4 - [6 years, 1 month ago](https://wordpress.org/support/topic/publish-changes-returns-error-on-asset-optimisation-page/#post-12571739) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [Can’t delete plugin because it breaks my logo](https://wordpress.org/support/topic/cant-delete-plugin-because-it-breaks-my-logo/) - Started by: [tatianahenriquezg](https://wordpress.org/support/users/tatianahenriquezg/) - 3 - 2 - [6 years, 1 month ago](https://wordpress.org/support/topic/cant-delete-plugin-because-it-breaks-my-logo/#post-12571733) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [Page caching not activated as expected](https://wordpress.org/support/topic/page-caching-not-activated-as-expected/) - Started by: [Carl Gross](https://wordpress.org/support/users/carlgross/) - 2 - 6 - [6 years, 3 months ago](https://wordpress.org/support/topic/page-caching-not-activated-as-expected/#post-12342802) - [Carl Gross](https://wordpress.org/support/users/carlgross/) * - [Possible conflict with Product Filter plugin](https://wordpress.org/support/topic/possible-conflict-with-product-filter-plugin/) - Started by: [JapeNZ](https://wordpress.org/support/users/japenz/) - 2 - 6 - [6 years, 3 months ago](https://wordpress.org/support/topic/possible-conflict-with-product-filter-plugin/#post-12342245) - [JapeNZ](https://wordpress.org/support/users/japenz/) * - [Website keeps showing old cache breaks site](https://wordpress.org/support/topic/website-keeps-showing-old-cache-breaks-site/) - Started by: [nanny7](https://wordpress.org/support/users/nanny7/) - 1 - 1 - [6 years, 3 months ago](https://wordpress.org/support/topic/website-keeps-showing-old-cache-breaks-site/#post-12351136) - [nanny7](https://wordpress.org/support/users/nanny7/) * - [Option to specify cache location](https://wordpress.org/support/topic/option-to-specify-cache-location/) - Started by: [mocwp](https://wordpress.org/support/users/mocwp/) - 2 - 1 - [5 years, 12 months ago](https://wordpress.org/support/topic/option-to-specify-cache-location/#post-12851600) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [Today my site was broken and loading so slowly](https://wordpress.org/support/topic/today-my-site-was-broken-and-loading-so-slowly/) - Started by: [nanny7](https://wordpress.org/support/users/nanny7/) - 1 - 2 - [6 years, 3 months ago](https://wordpress.org/support/topic/today-my-site-was-broken-and-loading-so-slowly/#post-12351142) - [nanny7](https://wordpress.org/support/users/nanny7/) * - [Unknown property ‘font-display’](https://wordpress.org/support/topic/unknown-property-font-display/) - Started by: [twinklepuff](https://wordpress.org/support/users/twinklepuff/) - 3 - 4 - [6 years, 1 month ago](https://wordpress.org/support/topic/unknown-property-font-display/#post-12571725) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [No discernible reduction in render-blocking](https://wordpress.org/support/topic/no-discernible-reduction-in-render-blocking/) - Started by: [felixkerr](https://wordpress.org/support/users/felixkerr/) - 3 - 2 - [6 years, 1 month ago](https://wordpress.org/support/topic/no-discernible-reduction-in-render-blocking/#post-12571723) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [Sitemap_index.xml and Error](https://wordpress.org/support/topic/sitemap_index-xml-and-error/) - Started by: [mindgarden.me](https://wordpress.org/support/users/mindgardenme/) - 3 - 2 - [6 years, 1 month ago](https://wordpress.org/support/topic/sitemap_index-xml-and-error/#post-12571720) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [New styles – old file name](https://wordpress.org/support/topic/new-styles-old-file-name/) - Started by: [Roman Cieciuch](https://wordpress.org/support/users/romancieciuch/) - 4 - 8 - [6 years, 3 months ago](https://wordpress.org/support/topic/new-styles-old-file-name/#post-12396014) - [Roman Cieciuch](https://wordpress.org/support/users/romancieciuch/) * - [Mega menu and blog issue](https://wordpress.org/support/topic/mega-menu-and-blog-issue/) - Started by: [felixkerr](https://wordpress.org/support/users/felixkerr/) - 4 - 7 - [6 years, 1 month ago](https://wordpress.org/support/topic/mega-menu-and-blog-issue/#post-12571719) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [Warning: include_once Errors ?](https://wordpress.org/support/topic/warning-include_once-errors-2/) - Started by: [hamzashaikh](https://wordpress.org/support/users/hamzashaikh/) - 2 - 2 - [6 years, 4 months ago](https://wordpress.org/support/topic/warning-include_once-errors-2/#post-12310656) - [hamzashaikh](https://wordpress.org/support/users/hamzashaikh/) * - [My site became slower after activating Asset Optimization](https://wordpress.org/support/topic/my-site-became-slower-after-activating-asset-optimization/) - Started by: [ninety5](https://wordpress.org/support/users/ninety5/) - 3 - 2 - [6 years, 1 month ago](https://wordpress.org/support/topic/my-site-became-slower-after-activating-asset-optimization/#post-12571717) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [Clear Caching & Optimization For Single Page](https://wordpress.org/support/topic/clear-caching-optimization-for-single-page/) - Started by: [skylinks](https://wordpress.org/support/users/skylinks/) - 2 - 4 - [6 years, 4 months ago](https://wordpress.org/support/topic/clear-caching-optimization-for-single-page/#post-12308031) - [skylinks](https://wordpress.org/support/users/skylinks/) * - [Asset optimisation only worked for homepage, not entire website](https://wordpress.org/support/topic/asset-optimisation-only-worked-for-homepage-not-entire-website/) - Started by: [twinklepuff](https://wordpress.org/support/users/twinklepuff/) - 4 - 8 - [6 years, 1 month ago](https://wordpress.org/support/topic/asset-optimisation-only-worked-for-homepage-not-entire-website/#post-12571707) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [Exclude a specific word](https://wordpress.org/support/topic/exclude-a-specific-word/) - Started by: [Soum](https://wordpress.org/support/users/soumahmed/) - 3 - 4 - [6 years, 1 month ago](https://wordpress.org/support/topic/exclude-a-specific-word/#post-12571705) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [Is Hummingbird compatible with Blackhole for Bad Bots?](https://wordpress.org/support/topic/is-hummingbird-compatible-with-blackhole-for-bad-bots/) - Started by: [mindgarden.me](https://wordpress.org/support/users/mindgardenme/) - 3 - 4 - [6 years, 4 months ago](https://wordpress.org/support/topic/is-hummingbird-compatible-with-blackhole-for-bad-bots/#post-12321466) - [mindgarden.me](https://wordpress.org/support/users/mindgardenme/) * - [Cache Not Activated](https://wordpress.org/support/topic/cache-not-activated/) - Started by: [jamiehutber](https://wordpress.org/support/users/jamiehutber/) - 3 - 2 - [6 years, 1 month ago](https://wordpress.org/support/topic/cache-not-activated/#post-12571701) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [How to install on Multisite?](https://wordpress.org/support/topic/how-to-install-on-multisite-2/) - Started by: [kwoodall](https://wordpress.org/support/users/kwoodall/) - 2 - 4 - [6 years, 1 month ago](https://wordpress.org/support/topic/how-to-install-on-multisite-2/#post-12576048) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [Problems with Divi](https://wordpress.org/support/topic/problems-with-divi-2/) - Started by: [mobileken1](https://wordpress.org/support/users/mobileken1/) - 2 - 2 - [6 years, 1 month ago](https://wordpress.org/support/topic/problems-with-divi-2/#post-12571689) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [Some files aren’t being cached](https://wordpress.org/support/topic/some-files-arent-being-cached/) - Started by: [comunadv](https://wordpress.org/support/users/comunadv/) - 2 - 4 - [6 years, 1 month ago](https://wordpress.org/support/topic/some-files-arent-being-cached/#post-12571716) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [GSC mobile usability – Text too small to read](https://wordpress.org/support/topic/gsc-mobile-usability-text-too-small-to-read/) - Started by: [sailors](https://wordpress.org/support/users/sailors/) - 2 - 6 - [6 years, 4 months ago](https://wordpress.org/support/topic/gsc-mobile-usability-text-too-small-to-read/#post-12278503) - [sailors](https://wordpress.org/support/users/sailors/) * - [Text in cached file](https://wordpress.org/support/topic/text-in-cached-file/) - Started by: [Roman Cieciuch](https://wordpress.org/support/users/romancieciuch/) - 2 - 4 - [6 years, 4 months ago](https://wordpress.org/support/topic/text-in-cached-file/#post-12271545) - [Roman Cieciuch](https://wordpress.org/support/users/romancieciuch/) *   [←](https://wordpress.org/support/plugin/hummingbird-performance/page/27/?output_format=md) [1](https://wordpress.org/support/plugin/hummingbird-performance/?output_format=md) [2](https://wordpress.org/support/plugin/hummingbird-performance/page/2/?output_format=md) [3](https://wordpress.org/support/plugin/hummingbird-performance/page/3/?output_format=md)… [27](https://wordpress.org/support/plugin/hummingbird-performance/page/27/?output_format=md) 28 [29](https://wordpress.org/support/plugin/hummingbird-performance/page/29/?output_format=md)… [40](https://wordpress.org/support/plugin/hummingbird-performance/page/40/?output_format=md) [41](https://wordpress.org/support/plugin/hummingbird-performance/page/41/?output_format=md) [42](https://wordpress.org/support/plugin/hummingbird-performance/page/42/?output_format=md) [→](https://wordpress.org/support/plugin/hummingbird-performance/page/29/?output_format=md) * ![](https://ps.w.org/hummingbird-performance/assets/icon-256x256.gif?rev=2633221) * [Hummingbird Performance - Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN](https://wordpress.org/plugins/hummingbird-performance/) * [Frequently Asked Questions](https://wordpress.org/plugins/hummingbird-performance/#faq) * [Support Threads](https://wordpress.org/support/plugin/hummingbird-performance/) * [Active Topics](https://wordpress.org/support/plugin/hummingbird-performance/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/hummingbird-performance/unresolved/) * [Reviews](https://wordpress.org/support/plugin/hummingbird-performance/reviews/)