Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

dathangsi.vn

Just a moment...

Page Load Speed

2.2 sec in total

First Response

826 ms

Resources Loaded

1.3 sec

Page Rendered

87 ms

dathangsi.vn screenshot

About Website

Welcome to dathangsi.vn homepage info - get ready to check Dathangsi best content for Vietnam right away, or after learning these important things about dathangsi.vn

Visit dathangsi.vn

Key Findings

We analyzed Dathangsi.vn page load time and found that the first response time was 826 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

dathangsi.vn performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

dathangsi.vn

826 ms

load1.css

259 ms

script.min.js

510 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Dathangsi.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (826 ms) belongs to the original domain Dathangsi.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 295.0 kB (7%)

Content Size

4.0 MB

After Optimization

3.7 MB

In fact, the total size of Dathangsi.vn main page is 4.0 MB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.

HTML Optimization

-50%

Potential reduce by 908 B

  • Original 1.8 kB
  • After minification 1.5 kB
  • After compression 899 B

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 262 B, which is 14% 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 908 B or 50% of the original size.

Image Optimization

-7%

Potential reduce by 286.4 kB

  • Original 3.8 MB
  • After minification 3.5 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. Dathangsi images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 6.0 kB

  • Original 100.6 kB
  • After minification 100.5 kB
  • After compression 94.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-8%

Potential reduce by 1.8 kB

  • Original 22.2 kB
  • After minification 22.2 kB
  • After compression 20.4 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. Dathangsi.vn has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dathangsi. According to our analytics all requests are already optimized.

Accessibility Review

dathangsi.vn accessibility score

73

Accessibility Issues

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

dathangsi.vn best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

dathangsi.vn SEO score

75

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dathangsi.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Dathangsi.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

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