Report Summary

  • 20

    Performance

    Renders faster than
    38% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

chodansinh.net

Chợ Dân Sinh - Mua bán vật tư, thiết bị máy móc, phụ kiện cơ khí ngành công nghiệp 2021

Page Load Speed

12.7 sec in total

First Response

777 ms

Resources Loaded

11.4 sec

Page Rendered

559 ms

chodansinh.net screenshot

About Website

Visit chodansinh.net now to see the best up-to-date Chodan Sinh content for Vietnam and also check out these interesting facts you probably never knew about chodansinh.net

Chuyên trang Mua Bán lớn nhất Việt Nam về đa ngành vật tư, cơ khí công nghiệp, xây dựng, thiết bị y tế, điện dân dụng công nghiệp như: bảo hộ lao đông, máy cắt, máy mài, điện lạnh, điện công nghiêp, b...

Visit chodansinh.net

Key Findings

We analyzed Chodansinh.net page load time and found that the first response time was 777 ms and then it took 12 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

chodansinh.net performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.47

18/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

chodansinh.net

777 ms

www.chodansinh.net

1587 ms

layout.css

499 ms

style.css

514 ms

divbox.css

510 ms

Our browser made a total of 235 requests to load all elements on the main page. We found that 99% of them (232 requests) were addressed to the original Chodansinh.net, 1% (2 requests) were made to Google-analytics.com and 0% (1 request) were made to Online.gov.vn. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Chodansinh.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 515.8 kB (26%)

Content Size

2.0 MB

After Optimization

1.5 MB

In fact, the total size of Chodansinh.net main page is 2.0 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. 50% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 172.4 kB

  • Original 200.8 kB
  • After minification 167.9 kB
  • After compression 28.4 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. This page needs HTML code to be minified as it can gain 32.9 kB, which is 16% 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 172.4 kB or 86% of the original size.

Image Optimization

-13%

Potential reduce by 199.2 kB

  • Original 1.6 MB
  • After minification 1.4 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. Obviously, Chodan Sinh needs image optimization as it can save up to 199.2 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 108.4 kB

  • Original 169.3 kB
  • After minification 153.5 kB
  • After compression 60.9 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 108.4 kB or 64% of the original size.

CSS Optimization

-83%

Potential reduce by 35.8 kB

  • Original 43.0 kB
  • After minification 33.9 kB
  • After compression 7.3 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. Chodansinh.net needs all CSS files to be minified and compressed as it can save up to 35.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (15%)

Requests Now

159

After Optimization

135

The browser has sent 159 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chodan Sinh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

chodansinh.net accessibility score

62

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

chodansinh.net 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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

chodansinh.net 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

High

Tap targets are not sized appropriately

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 Chodansinh.net 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 Chodansinh.net 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 Chodan Sinh. 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: