Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

vachngandidong.net.vn

Công Ty Cổ Phần Vách Ngăn Di Động Việt Nam|Báo Giá, Thi Công, Sản Xuất

Page Load Speed

3.9 sec in total

First Response

352 ms

Resources Loaded

3.1 sec

Page Rendered

439 ms

vachngandidong.net.vn screenshot

About Website

Welcome to vachngandidong.net.vn homepage info - get ready to check Vachngan Di Dong best content right away, or after learning these important things about vachngandidong.net.vn

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Visit vachngandidong.net.vn

Key Findings

We analyzed Vachngandidong.net.vn page load time and found that the first response time was 352 ms and then it took 3.5 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

vachngandidong.net.vn performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

vachngandidong.net.vn

352 ms

www.vachngandidong.net.vn

573 ms

3645911276-widget_css_bundle.css

61 ms

authorization.css

113 ms

jquery.min.js

49 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 4% of them (4 requests) were addressed to the original Vachngandidong.net.vn, 18% (20 requests) were made to Static.xx.fbcdn.net and 16% (18 requests) were made to 4.bp.blogspot.com. The less responsive or slowest element that took the longest time to load (826 ms) relates to the external source Static.xx.fbcdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 708.2 kB (31%)

Content Size

2.3 MB

After Optimization

1.6 MB

In fact, the total size of Vachngandidong.net.vn main page is 2.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 133.6 kB

  • Original 180.4 kB
  • After minification 179.8 kB
  • After compression 46.8 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 133.6 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 4.6 kB

  • Original 1.3 MB
  • After minification 1.3 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. Vachngan Di Dong images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 367.3 kB

  • Original 607.7 kB
  • After minification 607.6 kB
  • After compression 240.4 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 367.3 kB or 60% of the original size.

CSS Optimization

-81%

Potential reduce by 202.7 kB

  • Original 251.1 kB
  • After minification 251.0 kB
  • After compression 48.4 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. Vachngandidong.net.vn needs all CSS files to be minified and compressed as it can save up to 202.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (43%)

Requests Now

108

After Optimization

62

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vachngan Di Dong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vachngandidong.net.vn accessibility score

53

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

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

vachngandidong.net.vn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

vachngandidong.net.vn SEO score

86

Search Engine Optimization Advices

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

    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 Vachngandidong.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 Vachngandidong.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

Open Graph description is not detected on the main page of Vachngan Di Dong. 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: