Tools & Wizards About Us
daotaocanbo.edu.vn screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

daotaocanbo.edu.vn

Chứng chỉ năng lực xây dựng tại Hà Nội, tp.HCM

Page Load Speed

4.5 sec in total

First Response

364 ms

Resources Loaded

3.3 sec

Page Rendered

844 ms

daotaocanbo.edu.vn screenshot

About Website

Click here to check amazing Daotaocanbo content for Vietnam. Otherwise, check out these important facts you probably never knew about daotaocanbo.edu.vn

Chuyên tư vấn cấp chứng chỉ năng lực hoạt động xây dựng: Thi công, Thiết kế, quản lý dự án, Giám sát xây dựng

Visit daotaocanbo.edu.vn

Key Findings

We analyzed Daotaocanbo.edu.vn page load time and found that the first response time was 364 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

daotaocanbo.edu.vn performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value10,230 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.452

20/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

daotaocanbo.edu.vn

364 ms

www.daotaocanbo.edu.vn

362 ms

www.daotaocanbo.edu.vn

659 ms

gtm.js

133 ms

font-awesome.min.css

181 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 23% of them (3 requests) were addressed to the original Daotaocanbo.edu.vn, 23% (3 requests) were made to Googletagmanager.com and 15% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source 1.bp.blogspot.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 149.1 kB (69%)

Content Size

214.9 kB

After Optimization

65.8 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Daotaocanbo.edu.vn main page is 214.9 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. 40% of websites need less resources to load. HTML takes 187.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 148.6 kB

  • Original 187.1 kB
  • After minification 171.5 kB
  • After compression 38.5 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 148.6 kB or 79% of the original size.

Image Optimization

-7%

Potential reduce by 444 B

  • Original 6.3 kB
  • After minification 5.9 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. Daotaocanbo images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 11 B

  • Original 21.5 kB
  • After minification 21.5 kB
  • After compression 21.5 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 5 (56%)

Requests Now

9

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Daotaocanbo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

daotaocanbo.edu.vn

daotaocanbo.edu.vn

364 ms

www.daotaocanbo.edu.vn

www.daotaocanbo.edu.vn

362 ms

www.daotaocanbo.edu.vn

www.daotaocanbo.edu.vn

659 ms

gtm.js

gtm.js

133 ms

font-awesome.min.css

font-awesome.min.css

181 ms

logo-dao-tao-can-bo.png

logo-dao-tao-can-bo.png

1020 ms

arcontactus.css

arcontactus.css

567 ms

js

js

500 ms

jquery.min.js

jquery.min.js

531 ms

lazysizes.min.js

lazysizes.min.js

607 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

37 ms

js

js

212 ms

conversion_async.js

conversion_async.js

212 ms

Accessibility Review

daotaocanbo.edu.vn accessibility score

88

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

[aria-hidden="true"] elements contain focusable descendents

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.

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

daotaocanbo.edu.vn best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

daotaocanbo.edu.vn SEO score

100

Search Engine Optimization Advices

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 Daotaocanbo.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 Daotaocanbo.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

daotaocanbo.edu.vn

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