Ef.com.vn Site Title
EF Education First - Du Học Việt Nam
Ef.com.vn Meta Description
EF Education First là một trong những tổ chức Giáo dục quốc tế lớn nhất thế giới với các chương trình du học đa dạng: du học hè, du học ngôn ngữ trải nghiệm, du học Trung học và các chương trình Dự bị Đại học/ Cao học. Với hơn 500 trường học và văn phòng điều hành tại 61 quốc gia, EF hiện đã giúp hàng triệu học sinh trên thế giới trở thành công dân toàn cầu.
Ef.com.vn Test Results
ef.com.vn Mobile Usability: 100/100
ef.com.vn Mobile Speed: 60/100
Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 8 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
http://media2.ef.com/Common/lib/modernizr/2.8.3/modernizr.min.js
...
Optimize CSS Delivery of the following:
http://media.ef.com/sitecore/__/Common/css/fonts.css?&t=170508
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 145.4KiB (43% reduction).
Compressing http://media2.ef.com/sitecore/__/~/media/universal/tiles/2016/1-5x1/tile-academic/00.jpg could save 33.6KiB (42% reduction).
...
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
http://assets.adobedtm.com/c3187449abe132496ab40b7e1d4045f9e2902ef5/mbox-contents-ded6c6f347234187b7b889a74985ad755770140d.js (expiration not specified)
...
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 1.8KiB (16% reduction).
Minifying http://www.ef.com.vn/ could save 1.8KiB (16% reduction) after compression.
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 1.1KiB (40% reduction).
Minifying https://connect.facebook.net/signals/config/1505417093009580?v=2.7.10 could save 632B (79% reduction) after compression.
...
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