Viettel.vn Site Title

Cổng thông tin sản phẩm, dịch vụ, khuyến mại Viettel

Viettel.vn Meta Description

Cổng thông tin về sản phẩm, dịch vụ di động, cố định, truyền hình cáp, khuyến mại, đăng ký, đăng nhập tra cước, tiện ích giá trị gia tăng, gói cước trả...

Viettel.vn Test Results

Viettel.vn Mobile Usability: 69/100

Quick overview:
Size content to viewport
The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.
The page content is 1,003 CSS pixels wide, but the viewport is only 411 CSS pixels wide. The following elements fall outside the viewport:
The element <a href="http://viettel.vn/privilege">CSKH Privilege</a> falls outside the viewport.
...
Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target <a href="/index.php/selfcare/nap-tien">Thanh toán cước</a> and 5 others are close to other tap targets.

Viettel.vn Mobile Speed: 27/100

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 860.6KiB (75% reduction).
Compressing https://econtact.com.vn:8909/js/lib/angular.js could save 565.9KiB (75% 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://p.jwpcdn.com/6/11/jwpsrv.js (expiration not specified)
...
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 646.5KiB (68% reduction).
Minifying https://econtact.com.vn:8909/js/lib/angular.js could save 556.6KiB (74% reduction).
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 255.6KiB (24% reduction).
Compressing http://media.vietteltelecom.vn/uploads/advertise/78/1b/b7/581064eed6f9b.jpg could save 29KiB (12% reduction).
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 8 blocking script resources and 8 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://viettel.vn/js/jquery.min.js
...
Optimize CSS Delivery of the following:
http://viettel.vn/css/style.css
...
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 19.8KiB (44% reduction).
Minifying https://econtact.com.vn:8909/?key=P2RvbWFpbj1WSUVUVEVMVEVMRUNPTSZ1c2VybmFtZT0mY29sb3I9JmludGVybmFsPXVuZGVmaW5lZCZjbG9zZV9ib3g9dW5kZWZpbmVk could save 18.8KiB (51% reduction).
...
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 13KiB (27% reduction).
Minifying https://econtact.com.vn:8909/css/chat.css could save 9.9KiB (34% reduction).
...

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