Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

xaydung.org

Cổng thương mại điện tử ngành xây dựng Xaydung.org

Page Load Speed

6.2 sec in total

First Response

875 ms

Resources Loaded

5.1 sec

Page Rendered

186 ms

xaydung.org screenshot

About Website

Click here to check amazing Xaydung content for Vietnam. Otherwise, check out these important facts you probably never knew about xaydung.org

Cổng Thương mại điện tử ngành xây dựng Việt nam. Tham gia XAYDUNG, doanh nghiệp tham gia vào kênh giao dịch lớn nhất trong ngành...

Visit xaydung.org

Key Findings

We analyzed Xaydung.org page load time and found that the first response time was 875 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

xaydung.org performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

xaydung.org

875 ms

style.css

240 ms

reset.css

471 ms

style.css

474 ms

style.css

476 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 98% of them (86 requests) were addressed to the original Xaydung.org, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Xaydung.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 445.7 kB (57%)

Content Size

776.7 kB

After Optimization

331.0 kB

In fact, the total size of Xaydung.org main page is 776.7 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. 45% of websites need less resources to load. Javascripts take 357.6 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 64.0 kB

  • Original 73.0 kB
  • After minification 57.8 kB
  • After compression 9.0 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 15.3 kB, which is 21% 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 64.0 kB or 88% of the original size.

Image Optimization

-28%

Potential reduce by 88.0 kB

  • Original 311.8 kB
  • After minification 223.8 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, Xaydung needs image optimization as it can save up to 88.0 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-75%

Potential reduce by 267.3 kB

  • Original 357.6 kB
  • After minification 276.3 kB
  • After compression 90.3 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 267.3 kB or 75% of the original size.

CSS Optimization

-77%

Potential reduce by 26.4 kB

  • Original 34.3 kB
  • After minification 29.3 kB
  • After compression 7.9 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. Xaydung.org needs all CSS files to be minified and compressed as it can save up to 26.4 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (33%)

Requests Now

86

After Optimization

58

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Xaydung. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

xaydung.org accessibility score

48

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.

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

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

Form elements do not have associated labels

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

xaydung.org best practices score

58

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

SEO Factors

xaydung.org SEO score

62

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

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 Xaydung.org 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 Xaydung.org 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 Xaydung. 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: