# FlyingPress Documentation

> Explore guides, FAQs, and developer docs for FlyingPress

## Getting Started

- [Installing FlyingPress](https://docs.flyingpress.com/en/articles/11403313-installing-flyingpress.md)
- [System Requirements for FlyingPress](https://docs.flyingpress.com/en/articles/11402864-system-requirements-for-flyingpress.md)
- [How to Check if FlyingPress Is Working on Your Site](https://docs.flyingpress.com/en/articles/11403256-how-to-check-if-flyingpress-is-working-on-your-site.md)
- [Updating FlyingPress](https://docs.flyingpress.com/en/articles/11403337-updating-flyingpress.md)
- [Uninstalling FlyingPress](https://docs.flyingpress.com/en/articles/11403334-uninstalling-flyingpress.md)

## Configuration & Features

- [Understanding Cache Status: Pages Cached vs URLs in Queue](https://docs.flyingpress.com/en/articles/11406365-understanding-cache-status-pages-cached-vs-urls-in-queue.md)
- [Preload Cache vs Purge & Preload Cache](https://docs.flyingpress.com/en/articles/11406371-preload-cache-vs-purge-preload-cache.md)
- [How FlyingPress Finds URLs to Preload](https://docs.flyingpress.com/en/articles/11406387-how-flyingpress-finds-urls-to-preload.md)
- [How FlyingPress Automatically Purges and Preloads Related Pages](https://docs.flyingpress.com/en/articles/11406404-how-flyingpress-automatically-purges-and-preloads-related-pages.md)
- [When and Where FlyingPress Caches Pages](https://docs.flyingpress.com/en/articles/11406425-when-and-where-flyingpress-caches-pages.md)
- [Preload Links on Hover](https://docs.flyingpress.com/en/articles/11406441-preload-links-on-hover.md)
- [Separate Mobile Cache and Optimizations](https://docs.flyingpress.com/en/articles/11406449-separate-mobile-cache-and-optimizations.md)
- [Cache for Logged-In Users by Role](https://docs.flyingpress.com/en/articles/11406461-cache-for-logged-in-users-by-role.md)
- [Auto-Refresh Cache](https://docs.flyingpress.com/en/articles/11406472-auto-refresh-cache.md)
- [Exclude Pages from Cache](https://docs.flyingpress.com/en/articles/11406480-exclude-pages-from-cache.md)
- [Separate Cache for Query Parameters](https://docs.flyingpress.com/en/articles/11406502-separate-cache-for-query-parameters.md)
- [Ignored Query Parameters](https://docs.flyingpress.com/en/articles/11406543-ignored-query-parameters.md)
- [Bypass Cache for Cookies](https://docs.flyingpress.com/en/articles/11406555-bypass-cache-for-cookies.md)
- [How to Speed Up Cache Preloading](https://docs.flyingpress.com/en/articles/15338219-how-to-speed-up-cache-preloading.md)
- [Redis Object Caching](https://docs.flyingpress.com/en/articles/15588084-redis-object-caching.md)
- [Minify CSS and JavaScript](https://docs.flyingpress.com/en/articles/11406578-minify-css-and-javascript.md)
- [Remove Unused CSS](https://docs.flyingpress.com/en/articles/11406594-remove-unused-css.md)
- [Delay All JavaScript](https://docs.flyingpress.com/en/articles/11406701-delay-all-javascript.md)
- [Load Third-party Scripts on Interaction](https://docs.flyingpress.com/en/articles/11406748-load-third-party-scripts-on-interaction.md)
- [Self-Host External CSS and JavaScript](https://docs.flyingpress.com/en/articles/11406792-self-host-external-css-and-javascript.md)
- [Delay Specific Scripts on Interaction](https://docs.flyingpress.com/en/articles/11654303-delay-specific-scripts-on-interaction.md)
- [Lazy Load Images, Videos, and Iframes](https://docs.flyingpress.com/en/articles/11406804-lazy-load-images-videos-and-iframes.md)
- [Properly Size Images](https://docs.flyingpress.com/en/articles/11406831-properly-size-images.md)
- [Lightweight YouTube Previews](https://docs.flyingpress.com/en/articles/11406838-lightweight-youtube-previews.md)
- [Self-Host Gravatar Images](https://docs.flyingpress.com/en/articles/11406858-self-host-gravatar-images.md)
- [Preload Fonts](https://docs.flyingpress.com/en/articles/11406864-preload-fonts.md)
- [Self-Host Google Fonts](https://docs.flyingpress.com/en/articles/11406875-self-host-google-fonts.md)
- [Use System Fonts First](https://docs.flyingpress.com/en/articles/11406886-use-system-fonts-first.md)
- [Lazy Render Elements](https://docs.flyingpress.com/en/articles/11406903-lazy-render-elements.md)
- [Database Settings](https://docs.flyingpress.com/en/articles/11406951-database-settings.md)
- [Bloat Settings](https://docs.flyingpress.com/en/articles/11406961-bloat-settings.md)
- [Core Web Vitals Tracking](https://docs.flyingpress.com/en/articles/12397754-core-web-vitals-tracking.md)
- [Image Optimization](https://docs.flyingpress.com/en/articles/13435045-image-optimization.md)

## Compatibility & Integrations

- [FlyingPress + Cloudflare Integration: Full Page Caching Setup Guide](https://docs.flyingpress.com/en/articles/11977701-flyingpress-cloudflare-integration-full-page-caching-setup-guide.md)
- [Hosting & Server Compatibility](https://docs.flyingpress.com/en/articles/11405595-hosting-server-compatibility.md)
- [WooCommerce & E-commerce Compatibility](https://docs.flyingpress.com/en/articles/11405614-woocommerce-e-commerce-compatibility.md)
- [Page Builder, Theme, and Plugin Integrations](https://docs.flyingpress.com/en/articles/11405635-page-builder-theme-and-plugin-integrations.md)
- [Multilingual Plugin Support](https://docs.flyingpress.com/en/articles/11405661-multilingual-plugin-support.md)
- [Multi-Currency Plugin Support](https://docs.flyingpress.com/en/articles/11405662-multi-currency-plugin-support.md)
- [Using FlyingPress with Varnish](https://docs.flyingpress.com/en/articles/11405679-using-flyingpress-with-varnish.md)
- [Using FlyingPress with Cloudflare APO](https://docs.flyingpress.com/en/articles/11405608-using-flyingpress-with-cloudflare-apo.md)
- [Compatibility With Other Optimization Plugins](https://docs.flyingpress.com/en/articles/11423987-compatibility-with-other-optimization-plugins.md)

## Frequently Asked Questions

- [Can I Use FlyingPress on a Staging or Local Development Site?](https://docs.flyingpress.com/en/articles/11405559-can-i-use-flyingpress-on-a-staging-or-local-development-site.md)
- [Does FlyingPress Work with My Web Host and Server?](https://docs.flyingpress.com/en/articles/11405564-does-flyingpress-work-with-my-web-host-and-server.md)
- [Do I Need Any Other Caching or Optimization Plugins with FlyingPress?](https://docs.flyingpress.com/en/articles/11405571-do-i-need-any-other-caching-or-optimization-plugins-with-flyingpress.md)
- [Will FlyingPress Conflict with My Theme or Other Plugins?](https://docs.flyingpress.com/en/articles/11405583-will-flyingpress-conflict-with-my-theme-or-other-plugins.md)
- [Does FlyingPress Support WordPress Multisite?](https://docs.flyingpress.com/en/articles/11405585-does-flyingpress-support-wordpress-multisite.md)
- [Why Does FlyingPress Load More Images Than Expected?](https://docs.flyingpress.com/en/articles/11410221-why-does-flyingpress-load-more-images-than-expected.md)

## Troubleshooting

- [How to Resolve the "Unable to Communicate via REST API" Error](https://docs.flyingpress.com/en/articles/11406197-how-to-resolve-the-unable-to-communicate-via-rest-api-error.md)
- [Why Is My Cart Count Not Updating?](https://docs.flyingpress.com/en/articles/11406221-why-is-my-cart-count-not-updating.md)
- [Why Am I Still Getting Browser Cache TTL Warnings?](https://docs.flyingpress.com/en/articles/11406233-why-am-i-still-getting-browser-cache-ttl-warnings.md)
- [How to Force Trailing Slash in URLs](https://docs.flyingpress.com/en/articles/11406235-how-to-force-trailing-slash-in-urls.md)
- [Why Are Some JavaScript Files Not Minified?](https://docs.flyingpress.com/en/articles/11406245-why-are-some-javascript-files-not-minified.md)
- [Why Am I Getting Mixed Content or Non-HTTPS Errors?](https://docs.flyingpress.com/en/articles/11406280-why-am-i-getting-mixed-content-or-non-https-errors.md)
- [Why Is My Disk Usage So High?](https://docs.flyingpress.com/en/articles/11411522-why-is-my-disk-usage-so-high.md)
- [Why PHP-Based Headers and Redirects Don’t Work with Cached Pages](https://docs.flyingpress.com/en/articles/11424119-why-php-based-headers-and-redirects-don-t-work-with-cached-pages.md)
- [Resolve “This License Is Not Valid for This Product” Error](https://docs.flyingpress.com/en/articles/11425127-resolve-this-license-is-not-valid-for-this-product-error.md)
- [Preloading Not Starting or Getting Stuck](https://docs.flyingpress.com/en/articles/11647327-preloading-not-starting-or-getting-stuck.md)

## Account & Licensing

- [Managing Sites on Your License](https://docs.flyingpress.com/en/articles/11405738-managing-sites-on-your-license.md)
- [Upgrade License or Plan](https://docs.flyingpress.com/en/articles/11405757-upgrade-license-or-plan.md)
- [Changing Your License Key](https://docs.flyingpress.com/en/articles/11405766-changing-your-license-key.md)
- [License Renewals](https://docs.flyingpress.com/en/articles/11405784-license-renewals.md)
- [How to Cancel Your Subscription](https://docs.flyingpress.com/en/articles/11425146-how-to-cancel-your-subscription.md)

## FlyingCDN

- [What is FlyingCDN?](https://docs.flyingpress.com/en/articles/11403397-what-is-flyingcdn.md)
- [FlyingCDN Billing and Pricing](https://docs.flyingpress.com/en/articles/11403515-flyingcdn-billing-and-pricing.md)
- [How to Set Up FlyingCDN in FlyingPress](https://docs.flyingpress.com/en/articles/11403368-how-to-set-up-flyingcdn-in-flyingpress.md)
- [Why Is FlyingCDN Stuck at “Pending Validation”?](https://docs.flyingpress.com/en/articles/11403427-why-is-flyingcdn-stuck-at-pending-validation.md)
- [How to Check WebP Delivery on FlyingCDN](https://docs.flyingpress.com/en/articles/11403458-how-to-check-webp-delivery-on-flyingcdn.md)
- [Why FlyingCDN Doesn’t Always Deliver Images in WebP](https://docs.flyingpress.com/en/articles/11403410-why-flyingcdn-doesn-t-always-deliver-images-in-webp.md)
- [How SSL Renewals Work with FlyingCDN](https://docs.flyingpress.com/en/articles/11403469-how-ssl-renewals-work-with-flyingcdn.md)
- [How to Purge FlyingCDN Cache](https://docs.flyingpress.com/en/articles/11403474-how-to-purge-flyingcdn-cache.md)
- [FlyingCDN: Invalid SSL Certificate](https://docs.flyingpress.com/en/articles/11403479-flyingcdn-invalid-ssl-certificate.md)
- [Why Your Site Shows “DNS Update in Progress”](https://docs.flyingpress.com/en/articles/11403488-why-your-site-shows-dns-update-in-progress.md)

## Developer Reference

- [Hooking into Purge Events in FlyingPress](https://docs.flyingpress.com/en/articles/11405950-hooking-into-purge-events-in-flyingpress.md)
- [Adjusting the Delay Between Preloading Pages](https://docs.flyingpress.com/en/articles/11405966-adjusting-the-delay-between-preloading-pages.md)
- [Exclude Files from JavaScript Minification](https://docs.flyingpress.com/en/articles/11405981-exclude-files-from-javascript-minification.md)
- [Exclude Files from CSS Minification](https://docs.flyingpress.com/en/articles/11405990-exclude-files-from-css-minification.md)
- [Customize the URLs Preloaded by FlyingPress](https://docs.flyingpress.com/en/articles/11406001-customize-the-urls-preloaded-by-flyingpress.md)
- [Conditionally Control Page Caching](https://docs.flyingpress.com/en/articles/11406011-conditionally-control-page-caching.md)
- [Customize URLs Automatically Purged by FlyingPress](https://docs.flyingpress.com/en/articles/11406039-customize-urls-automatically-purged-by-flyingpress.md)
- [Manage Access to the FlyingPress Dashboard](https://docs.flyingpress.com/en/articles/11406056-manage-access-to-the-flyingpress-dashboard.md)
- [Exclude Specific User Roles from Logged-in Cache](https://docs.flyingpress.com/en/articles/11406065-exclude-specific-user-roles-from-logged-in-cache.md)
- [Customize Self-Hosted Domains for Third-Party CSS and JS](https://docs.flyingpress.com/en/articles/11406073-customize-self-hosted-domains-for-third-party-css-and-js.md)
- [Programmatically Purge and Preload Cache](https://docs.flyingpress.com/en/articles/11406092-programmatically-purge-and-preload-cache.md)
- [Nginx Configuration to Serve FlyingPress Cache and Image Fallback](https://docs.flyingpress.com/en/articles/11406112-nginx-configuration-to-serve-flyingpress-cache-and-image-fallback.md)
- [FlyingPress WP-CLI Commands](https://docs.flyingpress.com/en/articles/11406137-flyingpress-wp-cli-commands.md)
- [Include Cookies for Cache Variation](https://docs.flyingpress.com/en/articles/11424107-include-cookies-for-cache-variation.md)
- [Customize Ignored Query Parameters](https://docs.flyingpress.com/en/articles/11468086-customize-ignored-query-parameters.md)