Tools & Wizards About Us
trancaovan.edu.vn screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

trancaovan.edu.vn

Trường Cấp 3 Dạy 2 Buổi, Bán Trú, Nội Trú Chất Lượng Cao

Page Load Speed

10.1 sec in total

First Response

3.3 sec

Resources Loaded

6.5 sec

Page Rendered

231 ms

trancaovan.edu.vn screenshot

About Website

Click here to check amazing Tran Cao Van content for Vietnam. Otherwise, check out these important facts you probably never knew about trancaovan.edu.vn

Trường cấp 3 chất lượng cao có các lớp 2 buổi, bán trú, bán nội trú, nội trú với học phí thấp. Trang thiết bị hiện đại, đội ngũ giáo viên giỏi

Visit trancaovan.edu.vn

Key Findings

We analyzed Trancaovan.edu.vn page load time and found that the first response time was 3.3 sec and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

trancaovan.edu.vn performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value20.6 s

0/100

10%

TBT (Total Blocking Time)

Value32,770 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.105

88/100

15%

TTI (Time to Interactive)

Value50.8 s

0/100

10%

Network Requests Diagram

trancaovan.edu.vn

3346 ms

css.php

912 ms

custom-node-icons

583 ms

css.php

580 ms

jquery-1.5.2.min.js

847 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 85% of them (41 requests) were addressed to the original Trancaovan.edu.vn, 4% (2 requests) were made to Nutrivita.vn and 4% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Trancaovan.edu.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 222.1 kB (31%)

Content Size

719.9 kB

After Optimization

497.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Trancaovan.edu.vn main page is 719.9 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 433.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 55.9 kB

  • Original 69.3 kB
  • After minification 62.9 kB
  • After compression 13.5 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 55.9 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 18.8 kB

  • Original 433.9 kB
  • After minification 415.2 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. Tran Cao Van images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 147.5 kB

  • Original 216.6 kB
  • After minification 214.5 kB
  • After compression 69.1 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 147.5 kB or 68% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

44

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tran Cao Van. According to our analytics all requests are already optimized.

Network Requests Diagram

trancaovan.edu.vn

trancaovan.edu.vn

3346 ms

css.php

css.php

912 ms

custom-node-icons

custom-node-icons

583 ms

css.php

css.php

580 ms

jquery-1.5.2.min.js

jquery-1.5.2.min.js

847 ms

xenforo.js

xenforo.js

886 ms

660x86.jpg

660x86.jpg

1459 ms

banner%20%C4%91%E1%BB%A9ng%20289x500%20nutrigain.jpg

banner%20%C4%91%E1%BB%A9ng%20289x500%20nutrigain.jpg

604 ms

bg_noticePanel.png

bg_noticePanel.png

301 ms

category-23px-light.png

category-23px-light.png

301 ms

2_1.jpg

2_1.jpg

301 ms

xenforo-ui-sprite.png

xenforo-ui-sprite.png

300 ms

3_1.jpg

3_1.jpg

301 ms

4_1.jpg

4_1.jpg

573 ms

6_1.jpg

6_1.jpg

587 ms

7_1.jpg

7_1.jpg

565 ms

8_1.jpg

8_1.jpg

580 ms

10_1.jpg

10_1.jpg

572 ms

11_1.jpg

11_1.jpg

580 ms

node-sprite.png

node-sprite.png

838 ms

13_1.jpg

13_1.jpg

850 ms

14_1.jpg

14_1.jpg

846 ms

15_1.jpg

15_1.jpg

857 ms

17_1.jpg

17_1.jpg

858 ms

18_1.jpg

18_1.jpg

873 ms

20_1.jpg

20_1.jpg

1101 ms

21_1.jpg

21_1.jpg

1119 ms

22_1.jpg

22_1.jpg

1127 ms

24_1.jpg

24_1.jpg

1135 ms

25_1.jpg

25_1.jpg

1137 ms

26_1.jpg

26_1.jpg

1158 ms

29_1.jpg

29_1.jpg

1366 ms

30_1.jpg

30_1.jpg

1391 ms

31_1.jpg

31_1.jpg

1404 ms

32_1.jpg

32_1.jpg

1414 ms

33_1.jpg

33_1.jpg

1417 ms

34_1.jpg

34_1.jpg

1448 ms

35_1.jpg

35_1.jpg

1630 ms

list-disc.png

list-disc.png

1663 ms

nar.png

nar.png

1682 ms

logo.png

logo.png

1692 ms

navigation-tab.png

navigation-tab.png

1695 ms

cron.php

cron.php

2158 ms

banner%20270x400.jpg

banner%20270x400.jpg

579 ms

all.js

all.js

161 ms

142 ms

xd_arbiter.php

xd_arbiter.php

137 ms

xd_arbiter.php

xd_arbiter.php

260 ms

Accessibility Review

trancaovan.edu.vn accessibility score

79

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

<frame> or <iframe> elements do not have a title

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

trancaovan.edu.vn best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

trancaovan.edu.vn SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

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 Trancaovan.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 Trancaovan.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

trancaovan.edu.vn

Open Graph description is not detected on the main page of Tran Cao Van. 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: