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About Website

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

Đào tạo các khóa học an toàn lao động, Vận hành chung cư, quản lý toà nhà, Chứng chỉ năng lực tổ chức, Chứng chỉ hành nghề xây dựng

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name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

viendaotao.vn

998 ms

analytics.js

54 ms

conversion.js

117 ms

jquery-2.1.1.min.js

493 ms

jquery-migrate-1.2.1.min.js

498 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 70% of them (28 requests) were addressed to the original Viendaotao.vn, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (3.3 sec) relates to the external source Live.vnpgroup.net.

Content Size

1.1 MB

After Optimization

830.8 kB

In fact, the total size of Viendaotao.vn main page is 1.1 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. 40% of websites need less resources to load. Images take 708.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 35.8 kB

Original 41.9 kB
After minification 28.7 kB
After compression 6.1 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 13.2 kB, which is 32% 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 35.8 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 10.6 kB

Original 708.3 kB
After minification 697.8 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. Viendaotao images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 141.4 kB

Original 240.1 kB
After minification 240.1 kB
After compression 98.7 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 141.4 kB or 59% of the original size.

CSS Optimization

-82%

Potential reduce by 127.0 kB

Original 155.1 kB
After minification 152.4 kB
After compression 28.1 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. Viendaotao.vn needs all CSS files to be minified and compressed as it can save up to 127.0 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Viendaotao. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

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

High

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

Search Engine Optimization Advices

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

High

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

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 Viendaotao.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 Viendaotao.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

viendaotao.vn

Open Graph description is not detected on the main page of Viendaotao. 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:

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Performance

Accessibility

Best Practices

SEO

Viện Đào Tạo Và Hợp Tác Giáo Dục

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)