Website Optimization Services

Web performance is not just about moving static files closer to visitors, it’s also about ensuring that every page renders as fast and efficiently as possible from whatever device a visitor is surfing from. Cloudflare users can choose any combination of these web content optimization features that take performance to the next level.

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Optimization Features

Argo Smart Routing

Argo improves performance by routing visitors through the least congested and most reliable paths using Cloudflare's private network.
Rocket Loader

Automatically bundles JavaScript files optimizing your pages to minimize the number of network connections and ensure even third party resources won’t slow down page rendering.
Cache Header Optimization

Automatically adjusts the cache header instructions so browsers will correctly cache the resources of a site to minimize the need for new requests.
Easy On and Off

Cloudflare services are easy to turn on or off. Want to try one of the services? It is one click to turn on. Want to turn one of them off? It is one click simple.
Nothing to Install

Cloudflare website optimization is available without any hardware, software, or code changes. With a simple change to DNS, you can be up and running in five minutes.
Automatic HTTPS Rewrites

Eliminates mixed content issues while enhancing performance and security by rewriting insecure URLs dynamically from known hosts to their secure counterpart.
TLS 1.3

Transportation Layer Security (TLS) 1.3 reduces latency and removes insecure features of TLS, making HTTPS more secure and performant than any previous version of TLS and its non-secure counterpart, HTTP.
Automatic Content Caching

Cloudflare automatically caches static resources including JavaScript, CSS and images. With Edge Cache expire TTL, you can control how long Cloudflare caches a resource before going back to your server for a fresh copy.

Accelerated Mobile Links

Accelerated Mobile Links, powered by AMP technology, activates AMP-enabled links across your entire website, loading them 3-5x faster than normal mobile pages.
Local Storage Caching

Uses local storage on modern browsers and mobile devices to intelligently cache the objects needed to best render your site.
HTTP/2

The latest version of HTTP speeds up content delivery with multiplexing, header compression, stream priority and more.
Server Push

HTTP/2 Server Push allows a server or edge network to send assets to the browser before it even asks for them.
AutoMinify

On-the-fly removal of unnecessary characters from HTML, CSS, and JavaScript. Saves 20% of a file’s size and works without caching so it can support even fully dynamic pages.
Browser Optimization

Automatically adjusts the way content is delivered based on the particular device accessing the site to maximize speed without affecting the site’s look or features.
Aggressive GZIP

Reduces the size of all your resources and delivers them compressed even through lazy firewalls that incorrectly claim browsers don’t support GZIP.
Opportunistic Encryption

Provides HTTP-only domains the benefits of encryption and web optimization features only available when using TLS.

Asynchronous Resource Loading

Asynchronous resource loading optimizes your HTML so it renders as quickly as possible without waiting for slow scripts like widgets or advertising. Your web pages will feel much snappier.

See the Difference

Cloudflare Rocket Loader makes the Financial Times website (FT.com) faster, in spite of them already using a top-tier CDN to deliver their content.

Ready for Mobile

The mobile device market is huge and continues to expand. As we look toward 2020, the number of active mobile devices will grow to over 5 billion. Cloudflare recognizes the high expectations of mobile users and this is why we’ve custom-built a technology (Polish & Mirage, Native Mobile App Acceleration & Security, Custom Cache Key, etc.) that provides seamless mobile experience. Cloudflare empowers web businesses to deliver fast, secure, and device specific content to enhance the experience of mobile users.

CDN vs. WCO

A content delivery network (CDN) takes your static content and stores a copy closer to your visitors. By moving the content closer to your actual visitor, it takes less time to access the resources, which means the page loads faster. Content delivery networks have been around for the last 15 years. Nearly every large website on the Internet uses a CDN.

Web content optimization (WCO) improves the way the resources on your web page load. Websites are collections of multiple apps, widgets, and tags that include everything from the ad network code inserted on a page to a Twitter Retweet or Facebook Like button. WCO ensures that these resources that make up your web page load optimally. While CDNs have been around a long time, WCO is a newer development and takes performance to another level.

We built our own CDN from the ground up. We used the latest technologies like solid state drives for screaming I/O and Anycast routing and geo load balancing to make it as fast and efficient as possible. But we didn’t want our efforts to make the web faster to stop with the traditional CDN. Cloudflare’s Rocket Loader and other WCO services ensures your page renders as fast and efficiently as possible. By using both CDN and WCO, your site is optimized both at the network and browser level.

Pro, Business, and Enterprise Features

Session Optimization

Automatically detect the pages that are most likely to be accessed during a session from the traffic patterns of all the users visiting a site.

Polish

Polish automatically applies both “lossless” and “lossy” image optimization to remove unnecessary bytes from images. On average, image sizes are reduced by 35%.

Mirage

Mirage accelerates image delivery for your visitors based on their device. Mirage detects screen size and connection speed to optimally deliver images for the current browser window, mobile or desktop. Learn more