Title: NO_FCP when applying lightspeed cache plugin Last modified: December 4, 2025 --- # NO_FCP when applying lightspeed cache plugin * Resolved [karimmourice](https://wordpress.org/support/users/karimmourice/) * (@karimmourice) * [6 months, 2 weeks ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/) * Hello; * kindly I’m facing an issue after setup lightspeed cache plugin NO_FCP when doing speed test on page speed insights. for clarification I’m using customized theme and plugin with inline CSS & JS. Viewing 15 replies - 1 through 15 (of 17 total) 1 [2](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/page/2/?output_format=md) [→](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/page/2/?output_format=md) * Plugin Support [litetim](https://wordpress.org/support/users/litetim/) * (@litetim) * [6 months, 2 weeks ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/#post-18743547) * [@karimmourice](https://wordpress.org/support/users/karimmourice/) please share a report ID. The ID can be generated from LSC => Toolbox => Report => click on Send to Litespeed and copy the generated ID. * Thread Starter [karimmourice](https://wordpress.org/support/users/karimmourice/) * (@karimmourice) * [5 months, 3 weeks ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/#post-18767259) * i’m really sorry for the latereply, however the report ID is **ZAURPFDW** * Thread Starter [karimmourice](https://wordpress.org/support/users/karimmourice/) * (@karimmourice) * [5 months, 2 weeks ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/#post-18773652) * [@litetim](https://wordpress.org/support/users/litetim/) Hello any updates from yourside? * Plugin Support [litetim](https://wordpress.org/support/users/litetim/) * (@litetim) * [5 months, 2 weeks ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/#post-18775108) * [@karimmourice](https://wordpress.org/support/users/karimmourice/) No worries. I was away too. I will look into details now * Plugin Support [litetim](https://wordpress.org/support/users/litetim/) * (@litetim) * [5 months, 2 weeks ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/#post-18775125) * [@karimmourice](https://wordpress.org/support/users/karimmourice/) I see your site is: [http://www.os](http://www.os)*****li.net. Is LSC ON now? I run this google speed test: **[https://pagespeed.web.dev/analysis/https-www-os\*\*\*\*\*li-net/e5812e478d?form_factor=mobile](https://pagespeed.web.dev/analysis/https-www-os*****li-net/e5812e478d?form_factor=mobile)** make sure the link site is correct. What exactly is the problem? * Thread Starter [karimmourice](https://wordpress.org/support/users/karimmourice/) * (@karimmourice) * [5 months, 2 weeks ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/#post-18775982) * [@litetim](https://wordpress.org/support/users/litetim/) thanks for your reply, yes that’s because the light speed cache plugin is deactivated not working, however if it’s activated it will show no FCP. * Plugin Support [litetim](https://wordpress.org/support/users/litetim/) * (@litetim) * [5 months, 2 weeks ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/#post-18776252) * [@karimmourice](https://wordpress.org/support/users/karimmourice/) please send me a report from Google that shows the problem. I do not understand your issue. * Thread Starter [karimmourice](https://wordpress.org/support/users/karimmourice/) * (@karimmourice) * [5 months, 2 weeks ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/#post-18776324) * [@litetim](https://wordpress.org/support/users/litetim/) how to send you the screenshot here? * Plugin Support [litetim](https://wordpress.org/support/users/litetim/) * (@litetim) * [5 months, 2 weeks ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/#post-18776371) * [@karimmourice](https://wordpress.org/support/users/karimmourice/) just go to: [https://pagespeed.web.dev/](https://pagespeed.web.dev/) , analyze the homepage and share the link created after it is done * Thread Starter [karimmourice](https://wordpress.org/support/users/karimmourice/) * (@karimmourice) * [5 months, 2 weeks ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/#post-18776382) * [@litetim](https://wordpress.org/support/users/litetim/) [https://pagespeed.web.dev/analysis/https-www-osooli-net/k271gbh61w?form_factor=mobile](https://pagespeed.web.dev/analysis/https-www-osooli-net/k271gbh61w?form_factor=mobile) * Plugin Support [litetim](https://wordpress.org/support/users/litetim/) * (@litetim) * [5 months, 2 weeks ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/#post-18776552) * [@karimmourice](https://wordpress.org/support/users/karimmourice/) Thank you, that helpsI searched a little bit and one of the cause is that elements are set** hidden**(with opacity or visibility). [https://stackoverflow.com/a/72558529](https://stackoverflow.com/a/72558529) Please send a report from LSC => Toolbox => Report => click on “Send to Litespeed” and share me the generated ID.A solution I would try is adding this CSS in theme options: `body { visibility: visible!important;}` clear cache from LSC, and see if it fixes.If this is not working we can debug further after I can read the report * Thread Starter [karimmourice](https://wordpress.org/support/users/karimmourice/) * (@karimmourice) * [5 months, 2 weeks ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/#post-18776571) * [@litetim](https://wordpress.org/support/users/litetim/) * Last Report Number: **ZFJDJGAB** * ```wp-block-code Last Report Date: 01/06/2026 16:14:01 Server VariablesSERVER_SOFTWARE = nginx/1.24.0HTTP_X_LSCACHE = on,esi,crawler,combineDOCUMENT_ROOT = /var/www/osooliLSWCP_TAG_PREFIX = 9bdWP_SITEURL = NULLWP_HOME = NULLWP_CONTENT_DIR = /var/www/osooli/wp-contentSHORTINIT = falseLSCWP_CONTENT_DIR = /var/www/osooli/wp-contentLSCWP_CONTENT_FOLDER = wp-contentLSCWP_DIR = /var/www/osooli/wp-content/plugins/litespeed-cache/LITESPEED_TIME_OFFSET = 10800LITESPEED_SERVER_TYPE = LITESPEED_SERVER_ADCLITESPEED_CLI = NULLLITESPEED_ALLOWED = trueLITESPEED_ON = trueLSWCP_TAG_PREFIX = 9bdCOOKIEHASH = e91ba8ba2523a66cb8a330ee1dc39c98WordPress Specific Extraswordpress version = 6.9siteurl = https://www.osooli.nethome = https://www.osooli.nethome_url = https://www.osooli.netlocale = aractive theme = osooli Real Estate Themeactive plugins = array (0 => 'add-to-any/add-to-any.php',1 => 'custom-css-js/custom-css-js.php',2 => 'gtranslate/gtranslate.php',3 => 'litespeed-cache/litespeed-cache.php',4 => 'osooli-real-estate/osooli-real-estate.php',5 => 'wordfence/wordfence.php',6 => 'wordpress-seo/wp-seo.php',7 => 'wp-mail-logging/wp-mail-logging.php',8 => 'wp-mail-smtp/wp_mail_smtp.php',)cloud = array ('curr_request.ver_check' => 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=> 1767216401,'server.img_optm' => 'https://node117.quic.cloud','server_date.img_optm' => 1767216401,'curr_request.img_optm-new_req' => 0,'last_request.img_optm-new_req' => 1767216401,'curr_request.img_optm-taken' => 0,'last_request.img_optm-taken' => 1767216411,'curr_request.wp/report' => 0,'last_request.wp/report' => 1767716040,'server.ucss' => 'https://eu-service-ctr2.quic.cloud','server_date.ucss' => 1766669300,'curr_request.ucss' => 0,'last_request.ucss' => 1766669300,)LSCache Plugin Options_version = 7.7hash = RUbQQEpYsydCgHsUGTXmUp2Owck8AONdapi_key =auto_upgrade = falseserver_ip =guest = falseguest_optm = falsenews = truecache = truecache-priv = truecache-commenter = truecache-rest = truecache-page_login = truecache-mobile = falsecache-mobile_rules = array (0 => 'Mobile',1 => 'Android',2 => 'Silk/',3 => 'Kindle',4 => 'BlackBerry',5 => 'Opera Mini',6 => 'Opera Mobi',)cache-browser = falsecache-exc_useragents = array ()cache-exc_cookies = array ()cache-exc_qs = array 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()media-iframe_lazy_parent_cls_exc = array ()media-lazy_uri_exc = array ()media-lqip_exc = array ()media-vpi = falsemedia-vpi_cron = falsemedia-auto_rescale_ori = falseimg_optm-auto = falseimg_optm-ori = trueimg_optm-rm_bkup = falseimg_optm-webp = 1img_optm-lossless = falseimg_optm-sizes_skipped = array ()img_optm-exif = trueimg_optm-webp_attr = array (0 => 'img.src',1 => 'div.data-thumb',2 => 'img.data-src',3 => 'img.data-lazyload',4 => 'div.data-large_image',5 => 'img.retina_logo_url',6 => 'div.data-parallax-image',7 => 'div.data-vc-parallax-image',8 => 'video.poster',)img_optm-webp_replace_srcset = falseimg_optm-jpg_quality = 82crawler = falsecrawler-crawl_interval = 302400crawler-load_limit = 1crawler-sitemap =crawler-roles = array ()crawler-cookies = array ()misc-heartbeat_front = falsemisc-heartbeat_front_ttl = 60misc-heartbeat_back = falsemisc-heartbeat_back_ttl = 60misc-heartbeat_editor = falsemisc-heartbeat_editor_ttl = 15cdn = falsecdn-ori = array (0 => '//www.osooli.net/',)cdn-ori_dir = array (0 => 'wp-content',1 => 'wp-includes',)cdn-exc = array ()cdn-quic = falsecdn-cloudflare = falsecdn-cloudflare_email =cdn-cloudflare_key =cdn-cloudflare_name =cdn-cloudflare_zone =cdn-cloudflare_clear = falsecdn-mapping = array (0 =>array ('url' => '','inc_img' => '1','inc_css' => '1','inc_js' => '1','filetype' =>array (0 => '.aac',1 => '.css',2 => '.eot',3 => '.gif',4 => '.jpeg',5 => '.jpg',6 => '.js',7 => '.less',8 => '.mp3',9 => '.mp4',10 => '.ogg',11 => '.otf',12 => '.pdf',13 => '.png',14 => '.svg',15 => '.ttf',16 => '.webp',17 => '.woff',18 => '.woff2',),),)cdn-attr = array (0 => '.src',1 => '.data-src',2 => '.href',3 => '.poster',4 => 'source.srcset',)qc-nameservers =qc-cname =debug-disable_tmp = 0_cache = true/var/www/osooli/.htaccess contents: BEGIN LSCACHE LITESPEED WP CACHE PLUGIN - Do not edit the contents of this block!RewriteEngine onCacheLookup onRewriteRule .* - [E=Cache-Control:no-autoflush]RewriteRule litespeed/debug/.*.log$ - [F,L]RewriteRule .litespeed_conf.dat - [F,L] marker ASYNC startRewriteCond %{REQUEST_URI} /wp-admin/admin-ajax.phpRewriteCond %{QUERY_STRING} action=async_litespeedRewriteRule .* - [E=noabort:1] marker ASYNC end marker WEBP startRewriteCond %{HTTP_ACCEPT} image/webp [OR]RewriteCond %{HTTP_USER_AGENT} iPhone\ OS\ (1[4-9]|[2-9][0-9]) [OR]RewriteCond %{HTTP_USER_AGENT} Firefox/([6-9][0-9]|[1-9][0-9]{2,})RewriteRule .* - [E=Cache-Control:vary=%{ENV:LSCACHE_VARY_VALUE}+webp] marker WEBP end marker DROPQS startCacheKeyModify -qs:fbclidCacheKeyModify -qs:gclidCacheKeyModify -qs:utm*CacheKeyModify -qs:_ga marker DROPQS end LITESPEED WP CACHE PLUGIN - Do not edit the contents of this block! END LSCACHE BEGIN NON_LSCACHE LITESPEED WP CACHE PLUGIN - Do not edit the contents of this block! LITESPEED WP CACHE PLUGIN - Do not edit the contents of this block! END NON_LSCACHE ``` * Plugin Support [litetim](https://wordpress.org/support/users/litetim/) * (@litetim) * [5 months, 1 week ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/#post-18778596) * [@karimmourice](https://wordpress.org/support/users/karimmourice/) please add the CSS code I wrote above. `body { visibility: visible!important;}` anywhere you can in admin.Clear cache from LSC, and see if it fixes the Google report - This reply was modified 5 months, 1 week ago by [litetim](https://wordpress.org/support/users/litetim/). * Thread Starter [karimmourice](https://wordpress.org/support/users/karimmourice/) * (@karimmourice) * [5 months, 1 week ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/#post-18779009) * [@litetim](https://wordpress.org/support/users/litetim/) i have added the above mentioned CSS lines in the theme CSS file and tried to test page speed insights and still have the same issue NO FCP [https://pagespeed.web.dev/analysis/https-www-osooli-net/j0gl3o8ls8?form_factor=mobile](https://pagespeed.web.dev/analysis/https-www-osooli-net/j0gl3o8ls8?form_factor=mobile) * Plugin Support [litetim](https://wordpress.org/support/users/litetim/) * (@litetim) * [5 months, 1 week ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/#post-18779631) * [@karimmourice](https://wordpress.org/support/users/karimmourice/) please create a ticket by sending an email to **support at [litespeedtech.com](http://litespeedtech.com)**, add link to this topic and ask to be assigned to a developer. Thank you Viewing 15 replies - 1 through 15 (of 17 total) 1 [2](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/page/2/?output_format=md) [→](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/page/2/?output_format=md) You must be [logged in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fno_fcp-when-applying-lightspeed-cache-plugin%2F%3Foutput_format%3Dmd&locale=en_US) to reply to this topic. * ![](https://ps.w.org/litespeed-cache/assets/icon-256x256.png?rev=2554181) * [LiteSpeed Cache](https://wordpress.org/plugins/litespeed-cache/) * [Frequently Asked Questions](https://wordpress.org/plugins/litespeed-cache/#faq) * [Support Threads](https://wordpress.org/support/plugin/litespeed-cache/) * [Active Topics](https://wordpress.org/support/plugin/litespeed-cache/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/litespeed-cache/unresolved/) * [Reviews](https://wordpress.org/support/plugin/litespeed-cache/reviews/) * 17 replies * 2 participants * Last reply from: [litetim](https://wordpress.org/support/users/litetim/) * Last activity: [5 months, 1 week ago](https://wordpress.org/support/topic/no_fcp-when-applying-lightspeed-cache-plugin/page/2/#post-18779913) * Status: resolved