Tools & Wizards About Us
dichvuchukyso.tin.vn screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

dichvuchukyso.tin.vn

Page Load Speed

4.4 sec in total

First Response

765 ms

Resources Loaded

3.4 sec

Page Rendered

265 ms

dichvuchukyso.tin.vn screenshot

About Website

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

Chữ ký số là gì ? Tại sao bất cứ doanh nghiệp nào cũng phải cần có nó

Visit dichvuchukyso.tin.vn

Key Findings

We analyzed Dichvuchukyso.tin.vn page load time and found that the first response time was 765 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

dichvuchukyso.tin.vn performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value17.7 s

0/100

10%

TBT (Total Blocking Time)

Value1,400 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.059

98/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

dichvuchukyso.tin.vn

765 ms

default.css

961 ms

widget.css

962 ms

util.js

733 ms

slide_ads1.js

994 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Dichvuchukyso.tin.vn, 33% (14 requests) were made to Web.tin.vn and 30% (13 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Web.tin.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.3 kB (33%)

Content Size

141.2 kB

After Optimization

94.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dichvuchukyso.tin.vn main page is 141.2 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. 50% of websites need less resources to load. Images take 78.9 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 16.8 kB

  • Original 23.5 kB
  • After minification 23.4 kB
  • After compression 6.7 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 16.8 kB or 71% of the original size.

Image Optimization

-1%

Potential reduce by 797 B

  • Original 78.9 kB
  • After minification 78.1 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. Dichvuchukyso Tin images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 6.0 kB

  • Original 10.4 kB
  • After minification 10.4 kB
  • After compression 4.4 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 6.0 kB or 58% of the original size.

CSS Optimization

-80%

Potential reduce by 22.7 kB

  • Original 28.3 kB
  • After minification 21.6 kB
  • After compression 5.6 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. Dichvuchukyso.tin.vn needs all CSS files to be minified and compressed as it can save up to 22.7 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (52%)

Requests Now

29

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dichvuchukyso Tin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dichvuchukyso.tin.vn

dichvuchukyso.tin.vn

765 ms

default.css

default.css

961 ms

widget.css

widget.css

962 ms

util.js

util.js

733 ms

slide_ads1.js

slide_ads1.js

994 ms

all.js

all.js

270 ms

jquery.js

jquery.js

1275 ms

hoverIntent.js

hoverIntent.js

972 ms

superfish.js

superfish.js

1211 ms

menu.css

menu.css

1431 ms

fixCss.js

fixCss.js

1502 ms

plusone.js

plusone.js

93 ms

SMIME-Digital-Signature-Process.jpg

SMIME-Digital-Signature-Process.jpg

217 ms

home.png

home.png

562 ms

blog.png

blog.png

733 ms

elearning.png

elearning.png

797 ms

chu-ky-so-la-gi.jpg

chu-ky-so-la-gi.jpg

1619 ms

menu-alt-32.png

menu-alt-32.png

1075 ms

105 ms

xd_arbiter.php

xd_arbiter.php

242 ms

xd_arbiter.php

xd_arbiter.php

489 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

17 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

35 ms

fastbutton

fastbutton

66 ms

postmessageRelay

postmessageRelay

62 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

27 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

67 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

64 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

43 ms

rpc:shindig_random.js

rpc:shindig_random.js

34 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

29 ms

cb=gapi.loaded_2

cb=gapi.loaded_2

12 ms

comments

comments

172 ms

rs=AGLTcCNIUj6layVG7mlxIgVaAeu9fTNPfg

rs=AGLTcCNIUj6layVG7mlxIgVaAeu9fTNPfg

10 ms

like.php

like.php

61 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

492 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

554 ms

fountain-72d8bab6fd088426374a15d7477489a4.png

fountain-72d8bab6fd088426374a15d7477489a4.png

47 ms

uFp_tsTJboUY7kue5XAsGA=s46

uFp_tsTJboUY7kue5XAsGA=s46

66 ms

dtpHsbgPEm2lVWciJZ0P-A.ttf

dtpHsbgPEm2lVWciJZ0P-A.ttf

40 ms

bdHGHleUa-ndQCOrdpfxfw.ttf

bdHGHleUa-ndQCOrdpfxfw.ttf

40 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

21 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

36 ms

Accessibility Review

dichvuchukyso.tin.vn accessibility score

77

Accessibility Issues

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

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

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

dichvuchukyso.tin.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

dichvuchukyso.tin.vn SEO score

77

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

High

robots.txt is not valid

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

    N/A

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dichvuchukyso.tin.vn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Vietnamese. Our system also found out that Dichvuchukyso.tin.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

dichvuchukyso.tin.vn

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