Report Summary

  • 16

    Performance

    Renders faster than
    30% 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

  • 62

    SEO

    Google-friendlier than
    22% of websites

Page Load Speed

12.4 sec in total

First Response

2.5 sec

Resources Loaded

9.6 sec

Page Rendered

325 ms

vatlieuxaydunggiare.vn screenshot

About Website

Welcome to vatlieuxaydunggiare.vn homepage info - get ready to check Vatlieuxaydunggiare best content right away, or after learning these important things about vatlieuxaydunggiare.vn

Công ty TNHH đầu tư và kinh doanh Đại Nghĩa chuyên cung cấp, phân phối các loại vật liệu xây dựng giá rẻ như gạch, xi măng đảm báo chất lượng , giá cả hợp lý, niềm tin của các công trình

Visit vatlieuxaydunggiare.vn

Key Findings

We analyzed Vatlieuxaydunggiare.vn page load time and found that the first response time was 2.5 sec and then it took 9.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

vatlieuxaydunggiare.vn performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value3,860 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value17.4 s

4/100

10%

Network Requests Diagram

vatlieuxaydunggiare.vn

2477 ms

analytics.js

34 ms

collect

14 ms

jquery-1.4.3.min.js

1565 ms

jquery.min.js

34 ms

Our browser made a total of 140 requests to load all elements on the main page. We found that 74% of them (103 requests) were addressed to the original Vatlieuxaydunggiare.vn, 14% (20 requests) were made to Static.xx.fbcdn.net and 7% (10 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Vatlieuxaydunggiare.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 591.1 kB (34%)

Content Size

1.7 MB

After Optimization

1.1 MB

In fact, the total size of Vatlieuxaydunggiare.vn main page is 1.7 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. 65% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 85.6 kB

  • Original 107.0 kB
  • After minification 98.6 kB
  • After compression 21.4 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 85.6 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 47.0 kB

  • Original 1.0 MB
  • After minification 964.6 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. Vatlieuxaydunggiare images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 347.9 kB

  • Original 503.9 kB
  • After minification 433.7 kB
  • After compression 156.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 347.9 kB or 69% of the original size.

CSS Optimization

-95%

Potential reduce by 110.7 kB

  • Original 116.8 kB
  • After minification 29.5 kB
  • After compression 6.1 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. Vatlieuxaydunggiare.vn needs all CSS files to be minified and compressed as it can save up to 110.7 kB or 95% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (48%)

Requests Now

99

After Optimization

51

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vatlieuxaydunggiare. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vatlieuxaydunggiare.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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

vatlieuxaydunggiare.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

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