Tools & Wizards About Us
kienthuc.net.vn screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

kienthuc.net.vn

Báo Tri thức và Cuộc sống - TIN TỨC KIẾN THỨC 24H

Page Load Speed

14.7 sec in total

First Response

1.8 sec

Resources Loaded

12.2 sec

Page Rendered

697 ms

kienthuc.net.vn screenshot

About Website

Click here to check amazing KIE N Thu C content for Vietnam. Otherwise, check out these important facts you probably never knew about kienthuc.net.vn

Báo Tri thức và Cuộc sống - TIN TỨC KIẾN THỨC 24H - Liên hiệp các Hội Khoa học Kỹ thuật Việt Nam - Thông tin sức khỏe, đẹp, giải trí, cộng đồng mạng, kho tri thức mới nhất, đọc tin tức c...

Visit kienthuc.net.vn

Key Findings

We analyzed Kienthuc.net.vn page load time and found that the first response time was 1.8 sec and then it took 12.9 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

kienthuc.net.vn performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value20.0 s

0/100

25%

SI (Speed Index)

Value17.7 s

0/100

10%

TBT (Total Blocking Time)

Value2,710 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.211

59/100

15%

TTI (Time to Interactive)

Value30.0 s

0/100

10%

Network Requests Diagram

kienthuc.net.vn

1804 ms

mobileswitcher.js

1005 ms

jquery.bxslider.css

1009 ms

bootstrap.min.css

1977 ms

reset.css

1011 ms

Our browser made a total of 361 requests to load all elements on the main page. We found that 7% of them (26 requests) were addressed to the original Kienthuc.net.vn, 16% (58 requests) were made to Cms.kienthuc.net.vn and 7% (24 requests) were made to Static.kienthuc.net.vn. The less responsive or slowest element that took the longest time to load (6.4 sec) relates to the external source Cms.kienthuc.net.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (54%)

Content Size

2.4 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kienthuc.net.vn main page is 2.4 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. 70% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 154.5 kB

  • Original 196.2 kB
  • After minification 192.1 kB
  • After compression 41.7 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 154.5 kB or 79% of the original size.

Image Optimization

-16%

Potential reduce by 125.1 kB

  • Original 802.2 kB
  • After minification 677.1 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, KIE N Thu C needs image optimization as it can save up to 125.1 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 794.7 kB

  • Original 1.2 MB
  • After minification 1.1 MB
  • After compression 379.2 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 794.7 kB or 68% of the original size.

CSS Optimization

-86%

Potential reduce by 234.8 kB

  • Original 273.1 kB
  • After minification 250.8 kB
  • After compression 38.2 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. Kienthuc.net.vn needs all CSS files to be minified and compressed as it can save up to 234.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 218 (67%)

Requests Now

323

After Optimization

105

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 323 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KIE N Thu C. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 92 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kienthuc.net.vn

kienthuc.net.vn

1804 ms

mobileswitcher.js

mobileswitcher.js

1005 ms

jquery.bxslider.css

jquery.bxslider.css

1009 ms

bootstrap.min.css

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1011 ms

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suckhoe_FNPE.gif

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1012 ms

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proxy.html

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130 ms

wiget-icon.gif

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257 ms

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2271 ms

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225 ms

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bx_loader.gif

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icon_previous.png

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m_js_controller.js

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googlelogo_color_112x36dp.png

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rta.js

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mapuser

mapuser

201 ms

mapuser

mapuser

199 ms

mapuser

mapuser

414 ms

mapuser

mapuser

283 ms

ad

ad

178 ms

getjs.aspx

getjs.aspx

19 ms

400966.gif

400966.gif

10 ms

5447

5447

43 ms

rand=7110

rand=7110

17 ms

GetAd.aspx

GetAd.aspx

18 ms

ad

ad

38 ms

ADTECH;loc=100;target=_blank;key=key1+key2+key3+key4;grp=[group];misc=1456802048817

ADTECH;loc=100;target=_blank;key=key1+key2+key3+key4;grp=[group];misc=1456802048817

11 ms

JSAdservingSP.ashx

JSAdservingSP.ashx

15 ms

ADTECH;loc=100;target=_blank;grp=[group];misc=1456802048850

ADTECH;loc=100;target=_blank;grp=[group];misc=1456802048850

164 ms

generic

generic

9 ms

sync

sync

13 ms

fltiu.js

fltiu.js

9 ms

UserMatch.ashx

UserMatch.ashx

9 ms

iftfl.js

iftfl.js

8 ms

getjs.aspx

getjs.aspx

15 ms

pm_match

pm_match

4 ms

mapuser

mapuser

101 ms

mapuser

mapuser

100 ms

GetAd.aspx

GetAd.aspx

17 ms

ad

ad

188 ms

0.gif

0.gif

13 ms

mapuser

mapuser

3 ms

mapuser

mapuser

100 ms

providerid=1036;userid=ec9b75ce96cb4bc63df58e898fba94e6643da1f27eaba2720d9499a564f64

providerid=1036;userid=ec9b75ce96cb4bc63df58e898fba94e6643da1f27eaba2720d9499a564f64

100 ms

mapuser

mapuser

102 ms

empty.gif

empty.gif

217 ms

ADTECH;loc=100;target=_blank;key=key1+key2+key3+key4;grp=[group];misc=1456802049239

ADTECH;loc=100;target=_blank;key=key1+key2+key3+key4;grp=[group];misc=1456802049239

7 ms

mapuser

mapuser

5 ms

ad

ad

33 ms

JSAdservingSP.ashx

JSAdservingSP.ashx

10 ms

ad

ad

32 ms

ADTECH;loc=100;target=_blank;grp=[group];misc=1456802049259

ADTECH;loc=100;target=_blank;grp=[group];misc=1456802049259

150 ms

iftfl.js

iftfl.js

7 ms

getjs.aspx

getjs.aspx

15 ms

p80r

p80r

12 ms

GetAd.aspx

GetAd.aspx

19 ms

Accessibility Review

kienthuc.net.vn accessibility score

63

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-*] attributes do not match their roles

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

<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

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.

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

The document uses <meta http-equiv="refresh">

Best Practices

kienthuc.net.vn best practices score

50

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

kienthuc.net.vn SEO score

85

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 Kienthuc.net.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 Kienthuc.net.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

kienthuc.net.vn

Open Graph description is not detected on the main page of KIE N Thu C. 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: