Tools & Wizards About Us

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

dc-safetybelt.com

Changzhou Dongchen Vehicle Parts Co.,LTD.

Page Load Speed

2.4 sec in total

First Response

415 ms

Resources Loaded

1.7 sec

Page Rendered

278 ms

About Website

Welcome to dc-safetybelt.com homepage info - get ready to check Dc Safetybelt best content right away, or after learning these important things about dc-safetybelt.com

Changzhou Dongchen Vehicle Parts Co.,LTD is a professional enterprise intergrated in the research ,development and producing of vehicle safety belt. Our company have own powerful technology strength,e...

Visit dc-safetybelt.com

Key Findings

We analyzed Dc-safetybelt.com page load time and found that the first response time was 415 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

dc-safetybelt.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.511

15/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

dc-safetybelt.com

415 ms

www.dc-safetybelt.com

422 ms

style.css

71 ms

animate.min.css

134 ms

jquery-1.9.1.min.js

235 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 98% of them (50 requests) were addressed to the original Dc-safetybelt.com, 2% (1 request) were made to Download.skype.com. The less responsive or slowest element that took the longest time to load (593 ms) belongs to the original domain Dc-safetybelt.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.5 kB (6%)

Content Size

895.1 kB

After Optimization

845.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dc-safetybelt.com main page is 895.1 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. 25% of websites need less resources to load. Images take 747.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 29.9 kB

  • Original 36.7 kB
  • After minification 34.3 kB
  • After compression 6.8 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 29.9 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 1.3 kB

  • Original 747.6 kB
  • After minification 746.3 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. Dc Safetybelt images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 16.5 kB

  • Original 96.0 kB
  • After minification 95.4 kB
  • After compression 79.6 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 16.5 kB or 17% of the original size.

CSS Optimization

-12%

Potential reduce by 1.8 kB

  • Original 14.9 kB
  • After minification 14.9 kB
  • After compression 13.1 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. Dc-safetybelt.com needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (29%)

Requests Now

49

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dc Safetybelt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dc-safetybelt.com accessibility score

46

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

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

dc-safetybelt.com best practices score

75

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

dc-safetybelt.com SEO score

81

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dc-safetybelt.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Dc-safetybelt.com 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 Dc Safetybelt. 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: