Tools & Wizards About Us

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

changlin.vn

Máy xúc bánh lốp, Máy lu, Máy ủi, Máy xúc đào, Thiết bị xây dựng | SINOMACH

Page Load Speed

6.8 sec in total

First Response

1.4 sec

Resources Loaded

5.1 sec

Page Rendered

235 ms

About Website

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

Changlin là nhà sản xuất thiết bị xây dựng tại Trung Quốc. Sản phẩm Chúng tôi bao gồm: máy xúc bánh lốp; máy ủi; máy lu; máy xúc đào; máy rải đường; cần trục bốc xếp; xe trộn bê tông và các linh phụ k...

Visit changlin.vn

Key Findings

We analyzed Changlin.vn page load time and found that the first response time was 1.4 sec and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

changlin.vn performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

8/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

21/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.128

82/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

changlin.vn

1426 ms

index.css

1334 ms

printer.js

567 ms

top.js

1206 ms

chat200910.js

1282 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 92% of them (44 requests) were addressed to the original Changlin.vn, 8% (4 requests) were made to Etwinternational.vn. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Changlin.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 175.7 kB (20%)

Content Size

883.9 kB

After Optimization

708.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Changlin.vn main page is 883.9 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. 20% of websites need less resources to load. Images take 706.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 15.3 kB

  • Original 20.0 kB
  • After minification 18.5 kB
  • After compression 4.7 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 15.3 kB or 76% of the original size.

Image Optimization

-7%

Potential reduce by 50.4 kB

  • Original 706.6 kB
  • After minification 656.2 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. Changlin images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 81.9 kB

  • Original 123.0 kB
  • After minification 119.0 kB
  • After compression 41.2 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 81.9 kB or 67% of the original size.

CSS Optimization

-82%

Potential reduce by 28.2 kB

  • Original 34.3 kB
  • After minification 28.5 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. Changlin.vn needs all CSS files to be minified and compressed as it can save up to 28.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (38%)

Requests Now

47

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Changlin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

changlin.vn accessibility score

89

Accessibility Issues

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

Links do not have a discernible name

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

changlin.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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

changlin.vn SEO score

100

Search Engine Optimization Advices

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 Changlin.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 Changlin.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 Changlin. 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: