Tools & Wizards About Us
duhocaau.vn screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

duhocaau.vn

Công ty Tư Vấn Du Học Á - Âu | Tư Vấn Du Học Uy Tín Tại TPHCM

Page Load Speed

15.6 sec in total

First Response

833 ms

Resources Loaded

13.8 sec

Page Rendered

995 ms

duhocaau.vn screenshot

About Website

Visit duhocaau.vn now to see the best up-to-date Du Hocaau content for Vietnam and also check out these interesting facts you probably never knew about duhocaau.vn

Công ty tư vấn du học Mỹ cập nhật mới nhất về điều kiện, chi phí, hồ sơ xin visa du học mỹ, cơ hội định cư. Công ty du học Á - Âu 24 năm kinh nghiệm, đỉnh cao uy tín và chất lượng. Công ty du học Mỹ, ...

Visit duhocaau.vn

Key Findings

We analyzed Duhocaau.vn page load time and found that the first response time was 833 ms and then it took 14.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

duhocaau.vn performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value53.8 s

0/100

25%

SI (Speed Index)

Value20.3 s

0/100

10%

TBT (Total Blocking Time)

Value5,770 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value28.7 s

0/100

10%

Network Requests Diagram

duhocaau.vn

833 ms

duhocaau.vn

1687 ms

gtm.js

76 ms

js

119 ms

duhoc_ext.css

534 ms

Our browser made a total of 212 requests to load all elements on the main page. We found that 92% of them (196 requests) were addressed to the original Duhocaau.vn, 4% (8 requests) were made to Embed.tawk.to and 2% (4 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Duhocaau.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (17%)

Content Size

9.6 MB

After Optimization

8.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duhocaau.vn main page is 9.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 7.9 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 239.3 kB

  • Original 270.0 kB
  • After minification 233.8 kB
  • After compression 30.8 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. This page needs HTML code to be minified as it can gain 36.3 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 239.3 kB or 89% of the original size.

Image Optimization

-6%

Potential reduce by 460.9 kB

  • Original 7.9 MB
  • After minification 7.5 MB

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. Du Hocaau images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 652.2 kB

  • Original 1.2 MB
  • After minification 1.1 MB
  • After compression 501.1 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 652.2 kB or 57% of the original size.

CSS Optimization

-83%

Potential reduce by 247.1 kB

  • Original 296.4 kB
  • After minification 273.4 kB
  • After compression 49.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Duhocaau.vn needs all CSS files to be minified and compressed as it can save up to 247.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (20%)

Requests Now

173

After Optimization

138

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 173 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Du Hocaau. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

duhocaau.vn

duhocaau.vn

833 ms

duhocaau.vn

duhocaau.vn

1687 ms

gtm.js

gtm.js

76 ms

js

js

119 ms

duhoc_ext.css

duhoc_ext.css

534 ms

bootstrap.min.css

bootstrap.min.css

1494 ms

owl.carousel.min.css

owl.carousel.min.css

820 ms

font-awesome.css

font-awesome.css

1071 ms

duhoc.min.css

duhoc.min.css

1326 ms

duhocmini.css

duhocmini.css

1092 ms

style-menu.css

style-menu.css

966 ms

layerslider.css

layerslider.css

1343 ms

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logo.png

logo.png

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1677 ms

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1758 ms

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1681 ms

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1833 ms

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1772 ms

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1799 ms

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1685 ms

recaptcha__en.js

recaptcha__en.js

190 ms

fbevents.js

fbevents.js

133 ms

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bHsYxtrTlJI9drESVuwUIIdINZozITWkH1it3dzG.jpg

1431 ms

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1564 ms

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1589 ms

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1636 ms

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1624 ms

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1687 ms

page

page

376 ms

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1592 ms

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1822 ms

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1745 ms

833464967834536

833464967834536

62 ms

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1704 ms

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1706 ms

129920754096696

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78 ms

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1671 ms

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1737 ms

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1743 ms

2115789638532014

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76 ms

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1821 ms

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1762 ms

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1753 ms

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1637 ms

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1736 ms

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1717 ms

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1702 ms

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1630 ms

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1626 ms

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1727 ms

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1701 ms

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1779 ms

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1653 ms

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1635 ms

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1650 ms

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1735 ms

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1806 ms

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1775 ms

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1649 ms

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1628 ms

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1643 ms

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1704 ms

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1899 ms

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1690 ms

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1725 ms

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1629 ms

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1639 ms

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1657 ms

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1826 ms

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1695 ms

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1635 ms

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1758 ms

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1724 ms

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1636 ms

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1775 ms

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1718 ms

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1631 ms

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1651 ms

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1754 ms

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1737 ms

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1728 ms

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1726 ms

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1634 ms

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chat.png

1630 ms

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icon-share.jpg

1812 ms

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items-top-hearder.png

1757 ms

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item-select.png

2022 ms

lich-bg.jpg

lich-bg.jpg

1671 ms

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1635 ms

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1608 ms

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1871 ms

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add-on_items.png

1644 ms

blank.gif

blank.gif

1706 ms

skin.png

skin.png

1634 ms

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1834 ms

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1857 ms

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1854 ms

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1637 ms

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1639 ms

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1717 ms

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1760 ms

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1816 ms

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1829 ms

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1647 ms

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1727 ms

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1713 ms

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1739 ms

twk-event-polyfill.js

twk-event-polyfill.js

199 ms

twk-main.js

twk-main.js

22 ms

twk-vendor.js

twk-vendor.js

18 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

33 ms

twk-chunk-common.js

twk-chunk-common.js

24 ms

twk-runtime.js

twk-runtime.js

23 ms

twk-app.js

twk-app.js

31 ms

Accessibility Review

duhocaau.vn accessibility score

53

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

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

ARIA IDs are not unique

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

duhocaau.vn best practices score

58

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

duhocaau.vn SEO score

83

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duhocaau.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Duhocaau.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

duhocaau.vn

Open Graph data is detected on the main page of Du Hocaau. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: