TAILIEUCHUNG - Tìm Hiểu về Wordpress - part 39

Tham khảo tài liệu 'tìm hiểu về wordpress - part 39', công nghệ thông tin, đồ họa - thiết kế - flash phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Combine CSS and JavaScript - There are many great resources available on the Web for consolidating combining and compressing your CSS and JavaScript files. WordPress users should check out WP Minify http u 344 which uses the Minify PHP-5 application http u 356 used to combine multiple CSS and JavaScript files compress their contents and serve the results with HTTP encoding gzip or deflate and headers that allow optimal client-side caching. Progressive image-loading - Instead of loading all of your images at once delay loading of images in long web pages until the user scrolls down to the next section of the web page. This is opposite of preloading all of your images at once. With progressive image-loading users will experience a slight delay in the loading of images as they scroll down the page but for pages with lots of images progressive loading can reduce the number of simultaneous HTTP requests and greatly improve performance for the initial page load. Check out the jQuery plugin Lazy Load http u 493 to easily implement progressive image loading on your site. Use a content-distribution network - A Content Delivery Network CDN is a network of computers cooperating to deliver content for web sites. Using additional servers to deliver images downloadables and other static files reduces the load of your primary server while improving the performance and scalability of the overall website. Some commercially available CDNs include Akamai Technologies - http u 364 Amazon CloudFront - http u 358 BitGravity - http u 359 CacheFly - http u 360 Internap - http u 361 Limelight Networks - http u 363 Mirror Image Internet - http u 365 SteadyOffload - http u 362 367 While working to reduce the overall number of HTTP requests for your site there are several ways to check how many requests are being made from your pages. By simply opening a text editor and scanning your

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