Vietjack.com Site Title
Trang khóa học, tài liệu, đề thi, website giáo dục nhiều người truy cập nhất Việt Nam
Vietjack.com Meta Description
Trang khóa học, tài liệu, đề thi, website giáo dục nhiều người truy cập nhất Việt Nam)
Vietjack.com Test Results
vietjack.com Mobile Usability: 100/100
vietjack.com Mobile Speed: 41/100
Quick overview:
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 582.5KiB (79% reduction).
Compressing http://vietjack.com/theme/css/style-min-v1.css could save 106.3KiB (83% reduction).
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 32 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://vietjack.com/theme/js/script-min-v1.js
Optimize CSS Delivery of the following:
http://vietjack.com/assets/plugins/bootstrap/css/bootstrap.min.css
...
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://vietjack.com/assets/css/app.css (expiration not specified)
...
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 63.7KiB (20% reduction).
Minifying http://vietjack.com/assets/css/plugins/animate.css could save 11.4KiB (21% reduction).
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 43.6KiB (59% reduction).
Losslessly compressing http://vietjack.com/assets/img/team/img1-sm.jpg could save 11.8KiB (83% reduction).
...
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 6.6KiB (26% reduction).
Minifying http://vietjack.com/ could save 6.6KiB (26% reduction).
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 975B (15% reduction).
Minifying http://www.google-analytics.com/urchin.js could save 975B (15% reduction) after compression.
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