Tools & Wizards About Us
duahau.vn screenshot

Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

duahau.vn

Duahau.vn | Máy Móc - Thiết Bị - Phụ Kiện Khung Tranh

Page Load Speed

23.9 sec in total

First Response

935 ms

Resources Loaded

19.2 sec

Page Rendered

3.8 sec

duahau.vn screenshot

About Website

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

Duahau.vn - Kinh doanh sỉ và lẻ hàng nhập khẩu vật tư ngành khung, Trang trí nội thất, Đèn trang trí, camera, thiết bị định vị...

Visit duahau.vn

Key Findings

We analyzed Duahau.vn page load time and found that the first response time was 935 ms and then it took 23 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

duahau.vn performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value80.7 s

0/100

25%

SI (Speed Index)

Value15.0 s

1/100

10%

TBT (Total Blocking Time)

Value6,070 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.949

3/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

duahau.vn

935 ms

duahau.vn

1263 ms

trang-chu.html

761 ms

css

37 ms

global.css

696 ms

Our browser made a total of 283 requests to load all elements on the main page. We found that 95% of them (269 requests) were addressed to the original Duahau.vn, 3% (8 requests) were made to Embed.tawk.to and 1% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Duahau.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 588.0 kB (2%)

Content Size

29.6 MB

After Optimization

29.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duahau.vn main page is 29.6 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. Only a small number of websites need less resources to load. Images take 28.5 MB which makes up the majority of the site volume.

HTML Optimization

-95%

Potential reduce by 492.8 kB

  • Original 520.7 kB
  • After minification 394.7 kB
  • After compression 27.9 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 126.0 kB, which is 24% 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 492.8 kB or 95% of the original size.

Image Optimization

-0%

Potential reduce by 58.0 kB

  • Original 28.5 MB
  • After minification 28.4 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. Duahau images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 35.9 kB

  • Original 466.9 kB
  • After minification 466.9 kB
  • After compression 431.0 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

-1%

Potential reduce by 1.2 kB

  • Original 102.9 kB
  • After minification 102.9 kB
  • After compression 101.7 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. Duahau.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 128 (46%)

Requests Now

277

After Optimization

149

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 277 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duahau. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 48 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

duahau.vn

duahau.vn

935 ms

duahau.vn

duahau.vn

1263 ms

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761 ms

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Accessibility Review

duahau.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

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

duahau.vn best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

duahau.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

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 Duahau.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 Duahau.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

duahau.vn

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