Tools & Wizards About Us
vietfone.edu.vn screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

vietfone.edu.vn

VietFone diễn đàn về công nghệ điện thoại - Cập nhật tin tức nhanh nhất

Page Load Speed

8.4 sec in total

First Response

730 ms

Resources Loaded

7.5 sec

Page Rendered

222 ms

vietfone.edu.vn screenshot

About Website

Welcome to vietfone.edu.vn homepage info - get ready to check Viet Fone best content for Vietnam right away, or after learning these important things about vietfone.edu.vn

vietfone.edu.vn diễn đàn thảo luận về điện thoại mới và tin tức mới nhất liên quan tới các hàng điện thoai - Mua bán điện thoại cũ mới

Visit vietfone.edu.vn

Key Findings

We analyzed Vietfone.edu.vn page load time and found that the first response time was 730 ms and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

vietfone.edu.vn performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.514

15/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

vietfone.edu.vn

730 ms

vietfone.edu.vn

2181 ms

yuiloader-dom-event.js

15 ms

vbulletin-core.js

913 ms

css.php

1315 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 88% of them (36 requests) were addressed to the original Vietfone.edu.vn, 7% (3 requests) were made to Ajax.googleapis.com and 2% (1 request) were made to Seomxh.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Vietfone.edu.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 207.1 kB (28%)

Content Size

729.5 kB

After Optimization

522.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Vietfone.edu.vn main page is 729.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 524.6 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 98.4 kB

  • Original 113.9 kB
  • After minification 102.9 kB
  • After compression 15.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 98.4 kB or 86% of the original size.

Image Optimization

-13%

Potential reduce by 66.0 kB

  • Original 524.6 kB
  • After minification 458.7 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Viet Fone needs image optimization as it can save up to 66.0 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-47%

Potential reduce by 42.8 kB

  • Original 90.9 kB
  • After minification 90.8 kB
  • After compression 48.2 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 42.8 kB or 47% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (74%)

Requests Now

39

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Viet Fone. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

vietfone.edu.vn

vietfone.edu.vn

730 ms

vietfone.edu.vn

vietfone.edu.vn

2181 ms

yuiloader-dom-event.js

yuiloader-dom-event.js

15 ms

vbulletin-core.js

vbulletin-core.js

913 ms

css.php

css.php

1315 ms

vbulletin_read_marker.js

vbulletin_read_marker.js

919 ms

css.php

css.php

1078 ms

css.php

css.php

1077 ms

vbulletin_md5.js

vbulletin_md5.js

1607 ms

connection-min.js

connection-min.js

2 ms

animation-min.js

animation-min.js

4 ms

vbulletin-sidebar.js

vbulletin-sidebar.js

1408 ms

ho-tro.png

ho-tro.png

2440 ms

qcantismok.png

qcantismok.png

2858 ms

gradient-grey-down.png

gradient-grey-down.png

461 ms

vbulletin4_logo.png

vbulletin4_logo.png

459 ms

search.png

search.png

473 ms

navbit-home.png

navbit-home.png

742 ms

collapse_40b.png

collapse_40b.png

998 ms

forum_old-48.png

forum_old-48.png

1036 ms

icon1.png

icon1.png

1154 ms

lastpost-right.png

lastpost-right.png

1188 ms

subforum_old-48.png

subforum_old-48.png

1202 ms

users_online.png

users_online.png

1445 ms

forum_stats.png

forum_stats.png

1731 ms

legend.png

legend.png

1752 ms

forum_new-16.png

forum_new-16.png

1875 ms

forum_old-16.png

forum_old-16.png

1906 ms

category-16.png

category-16.png

1948 ms

forum_link-16.png

forum_link-16.png

2159 ms

tab-collapsed.png

tab-collapsed.png

2446 ms

widget-comment.png

widget-comment.png

2446 ms

unknown.gif

unknown.gif

2572 ms

newbtn_middle.png

newbtn_middle.png

2298 ms

selected-tab-gradient-with-top-alpha.png

selected-tab-gradient-with-top-alpha.png

2380 ms

arrow.png

arrow.png

2560 ms

grey-up.png

grey-up.png

2845 ms

gradient-greytowhite.png

gradient-greytowhite.png

2852 ms

top-highlight.png

top-highlight.png

2955 ms

gradient-black-down.png

gradient-black-down.png

3060 ms

bottom-shadow.png

bottom-shadow.png

3167 ms

Accessibility Review

vietfone.edu.vn accessibility score

61

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role]s do not have all required [aria-*] attributes

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

vietfone.edu.vn best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

vietfone.edu.vn SEO score

91

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vietfone.edu.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Vietfone.edu.vn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

vietfone.edu.vn

Open Graph description is not detected on the main page of Viet Fone. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: