Title: [Hummingbird Performance - Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN] Support - page 4 | 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%2F4%2F%3Foutput_format%3Dmd&locale=en_US) [←](https://wordpress.org/support/plugin/hummingbird-performance/page/3/?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) 4 [5](https://wordpress.org/support/plugin/hummingbird-performance/page/5/?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/5/?output_format=md) - Topic - Participants - Replies - Last Post * - [How to verify if Humminbird is working?](https://wordpress.org/support/topic/how-to-verify-if-humminbird-is-working/) - Started by: [kryoz507](https://wordpress.org/support/users/kryoz507/) - 3 - 4 - [2 years, 6 months ago](https://wordpress.org/support/topic/how-to-verify-if-humminbird-is-working/#post-17158798) - [kryoz507](https://wordpress.org/support/users/kryoz507/) * - [expire headers code from hummingbird not working – other code ye](https://wordpress.org/support/topic/expire-headers-code-from-hummingbird-not-working-other-code-ye/) - Started by: [sasasasaaa](https://wordpress.org/support/users/sasasasaaa/) - 5 - 10 - [2 years, 6 months ago](https://wordpress.org/support/topic/expire-headers-code-from-hummingbird-not-working-other-code-ye/#post-17187972) - [Jair – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport15/) * - [How cloudflare block country and ASN block could affect that??](https://wordpress.org/support/topic/how-cloudflare-block-country-and-asn-block-could-affect-that/) - Started by: [kryoz507](https://wordpress.org/support/users/kryoz507/) - 3 - 3 - [2 years, 6 months ago](https://wordpress.org/support/topic/how-cloudflare-block-country-and-asn-block-could-affect-that/#post-17166093) - [Kris – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport13/) * - [How to enable GZIP in .htaccess](https://wordpress.org/support/topic/how-to-enable-gzip-in-htaccess/) - Started by: [kryoz507](https://wordpress.org/support/users/kryoz507/) - 2 - 2 - [2 years, 6 months ago](https://wordpress.org/support/topic/how-to-enable-gzip-in-htaccess/#post-17132591) - [Jair – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport15/) * - [How to purge the page or all cache in the website every 24 hours?](https://wordpress.org/support/topic/how-to-purge-the-page-or-all-cache-in-the-website-every-24-hours/) - Started by: [kryoz507](https://wordpress.org/support/users/kryoz507/) - 2 - 3 - [2 years, 7 months ago](https://wordpress.org/support/topic/how-to-purge-the-page-or-all-cache-in-the-website-every-24-hours/#post-17113370) - [kryoz507](https://wordpress.org/support/users/kryoz507/) * - [Request information – icon images not visible with hummingbird](https://wordpress.org/support/topic/request-information-icon-images-not-visible-with-hummingbird/) - Started by: [dbnetsrl](https://wordpress.org/support/users/dbnetsrl/) - 4 - 4 - [2 years, 7 months ago](https://wordpress.org/support/topic/request-information-icon-images-not-visible-with-hummingbird/#post-17118748) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [Repeating error in WP debug log](https://wordpress.org/support/topic/repeating-error-in-wp-debug-log/) - Started by: [ffooccuuss](https://wordpress.org/support/users/ffooccuuss/) - 3 - 2 - [2 years, 7 months ago](https://wordpress.org/support/topic/repeating-error-in-wp-debug-log/#post-17105103) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [Critical Error – PHP memory allocation](https://wordpress.org/support/topic/critical-error-php-memory-allocation/) - Started by: [stripytee](https://wordpress.org/support/users/stripytee/) - 2 - 2 - [2 years, 7 months ago](https://wordpress.org/support/topic/critical-error-php-memory-allocation/#post-17104199) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [Page Cashing Problem](https://wordpress.org/support/topic/page-cashing-problem/) - Started by: [aviksardar](https://wordpress.org/support/users/aviksardar/) - 3 - 3 - [2 years, 7 months ago](https://wordpress.org/support/topic/page-cashing-problem/#post-17104198) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [Gzip compression inactive](https://wordpress.org/support/topic/gzip-compression-inactive/) - Started by: [saksham10](https://wordpress.org/support/users/saksham10/) - 3 - 4 - [2 years, 7 months ago](https://wordpress.org/support/topic/gzip-compression-inactive/#post-17086824) - [saksham10](https://wordpress.org/support/users/saksham10/) * - [Footer not appearing](https://wordpress.org/support/topic/footer-not-appearing-4/) - Started by: [griffinh1](https://wordpress.org/support/users/griffinh1/) - 3 - 7 - [2 years, 7 months ago](https://wordpress.org/support/topic/footer-not-appearing-4/#post-17104197) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [images not loading on iOS](https://wordpress.org/support/topic/images-not-loading-on-ios-2/) - Started by: [daverumney](https://wordpress.org/support/users/daverumney/) - 3 - 3 - [2 years, 7 months ago](https://wordpress.org/support/topic/images-not-loading-on-ios-2/#post-17100629) - [daverumney](https://wordpress.org/support/users/daverumney/) * - [Deleted plugin still shows in Asset Optimization](https://wordpress.org/support/topic/deleted-plugin-still-shows-in-asset-optimization/) - Started by: [Starhorsepax2](https://wordpress.org/support/users/starhorsepax2/) - 3 - 2 - [2 years, 7 months ago](https://wordpress.org/support/topic/deleted-plugin-still-shows-in-asset-optimization/#post-17071280) - [Kris – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport13/) * - [Page wise assets optimisation possible?](https://wordpress.org/support/topic/page-wise-assets-optimisation-possible/) - Started by: [tijosfx](https://wordpress.org/support/users/tijosfx/) - 2 - 1 - [2 years, 8 months ago](https://wordpress.org/support/topic/page-wise-assets-optimisation-possible/#post-16995359) - [Imran – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support9/) * - [Gzip not working](https://wordpress.org/support/topic/gzip-not-working-21/) - Started by: [thehaobospatula](https://wordpress.org/support/users/thehaobospatula/) - 3 - 2 - [2 years, 9 months ago](https://wordpress.org/support/topic/gzip-not-working-21/#post-16976164) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [Critical error with hummingbird](https://wordpress.org/support/topic/critical-error-with-hummingbird/) - Started by: [mickvulpes](https://wordpress.org/support/users/mickvulpes/) - 5 - 7 - [2 years, 9 months ago](https://wordpress.org/support/topic/critical-error-with-hummingbird/#post-16961066) - [Jair – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport15/) * - [Pages Not Properly Cached](https://wordpress.org/support/topic/pages-not-properly-cached/) - Started by: [sicelo1406](https://wordpress.org/support/users/sicelo1406/) - 3 - 2 - [2 years, 9 months ago](https://wordpress.org/support/topic/pages-not-properly-cached/#post-16957941) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [plugin conflicts with robot.txt file (google cannot crawl products)](https://wordpress.org/support/topic/plugin-conflicts-with-robot-txt-file-google-cannot-crawl-products/) - Started by: [Krys10](https://wordpress.org/support/users/krys10/) - 3 - 2 - [2 years, 9 months ago](https://wordpress.org/support/topic/plugin-conflicts-with-robot-txt-file-google-cannot-crawl-products/#post-16957942) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [Side cart not updating](https://wordpress.org/support/topic/side-cart-not-updating/) - Started by: [onahlap](https://wordpress.org/support/users/onahlap/) - 4 - 7 - [2 years, 9 months ago](https://wordpress.org/support/topic/side-cart-not-updating/#post-16957943) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [The performance test didn’t return any results.](https://wordpress.org/support/topic/the-performance-test-didnt-return-any-results-14/) - Started by: [Unsin Jeong](https://wordpress.org/support/users/lucetevee/) - 3 - 2 - [2 years, 9 months ago](https://wordpress.org/support/topic/the-performance-test-didnt-return-any-results-14/#post-16940348) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [Browser cache not working](https://wordpress.org/support/topic/browser-cache-not-working-5/) - Started by: [innovativezome](https://wordpress.org/support/users/innovativezome/) - 4 - 4 - [2 years, 9 months ago](https://wordpress.org/support/topic/browser-cache-not-working-5/#post-16940346) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [Bypass Caching for WooCommerce pages](https://wordpress.org/support/topic/bypass-caching-for-woocommerce-pages/) - Started by: [2chicks](https://wordpress.org/support/users/2chicks/) - 3 - 2 - [2 years, 9 months ago](https://wordpress.org/support/topic/bypass-caching-for-woocommerce-pages/#post-16912278) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [Pages are being cached that shouldn’t be](https://wordpress.org/support/topic/pages-are-being-cached-that-shouldnt-be/) - Started by: [plainrane](https://wordpress.org/support/users/plainrane/) - 2 - 2 - [2 years, 9 months ago](https://wordpress.org/support/topic/pages-are-being-cached-that-shouldnt-be/#post-16912274) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [Only cache one page using Page Caching.](https://wordpress.org/support/topic/only-cache-one-page-using-page-caching/) - Started by: [reachingout](https://wordpress.org/support/users/reachingout/) - 3 - 5 - [2 years, 10 months ago](https://wordpress.org/support/topic/only-cache-one-page-using-page-caching/#post-16859140) - [Nebu John – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport14/) * - [Smush uninstalled and cannot be re-installed](https://wordpress.org/support/topic/smush-uninstalled-and-cannot-be-re-installed/) - Started by: [jgmarden](https://wordpress.org/support/users/jgmarden/) - 2 - 1 - [2 years, 10 months ago](https://wordpress.org/support/topic/smush-uninstalled-and-cannot-be-re-installed/#post-16841836) - [Patrick – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport12/) * - [Gzip is not working properly:](https://wordpress.org/support/topic/gzip-is-not-working-properly-14/) - Started by: [kallekid](https://wordpress.org/support/users/kallekid/) - 3 - 3 - [2 years, 9 months ago](https://wordpress.org/support/topic/gzip-is-not-working-properly-14/#post-16962600) - [kallekid](https://wordpress.org/support/users/kallekid/) * - [Slow Site](https://wordpress.org/support/topic/slow-site-33/) - Started by: [smkolander](https://wordpress.org/support/users/smkolander/) - 3 - 3 - [2 years, 9 months ago](https://wordpress.org/support/topic/slow-site-33/#post-16912275) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [Hummingbird stripping data from admin URLs](https://wordpress.org/support/topic/hummingbird-stripping-data-from-admin-urls/) - Started by: [dougicg](https://wordpress.org/support/users/dougicg/) - 4 - 8 - [2 years, 11 months ago](https://wordpress.org/support/topic/hummingbird-stripping-data-from-admin-urls/#post-16793656) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [Hummingbird and htaccess](https://wordpress.org/support/topic/hummingbird-and-htaccess/) - Started by: [fletsch](https://wordpress.org/support/users/fletsch/) - 4 - 4 - [2 years, 9 months ago](https://wordpress.org/support/topic/hummingbird-and-htaccess/#post-16940344) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) * - [Performance Score & Recommendations under Opportunities are not displaying](https://wordpress.org/support/topic/performance-score-recommendations-under-opportunities-are-not-displaying/) - Started by: [panugu](https://wordpress.org/support/users/panugu/) - 3 - 2 - [2 years, 12 months ago](https://wordpress.org/support/topic/performance-score-recommendations-under-opportunities-are-not-displaying/#post-16748459) - [Nithin – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport11/) *   [←](https://wordpress.org/support/plugin/hummingbird-performance/page/3/?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) 4 [5](https://wordpress.org/support/plugin/hummingbird-performance/page/5/?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/5/?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/)