Tools & Wizards About Us

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

j1939cable.com

Quality J1939 Cable & J1939 Y Cable factory from China

Page Load Speed

1.1 sec in total

First Response

89 ms

Resources Loaded

738 ms

Page Rendered

242 ms

About Website

Click here to check amazing J1939 Cable content. Otherwise, check out these important facts you probably never knew about j1939cable.com

China leading provider of J1939 Cable and J1939 Y Cable, Shenzhen Jelinn Technology Co., Ltd. is J1939 Y Cable factory.

Visit j1939cable.com

Key Findings

We analyzed J1939cable.com page load time and found that the first response time was 89 ms and then it took 980 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

j1939cable.com performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

91/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

j1939cable.com

89 ms

www.j1939cable.com

205 ms

www.j1939cable.com

38 ms

jquery.js

75 ms

www.j1939cable.com

189 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 81% of them (21 requests) were addressed to the original J1939cable.com, 8% (2 requests) were made to Googleads.g.doubleclick.net and 8% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (205 ms) belongs to the original domain J1939cable.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 164.0 kB (35%)

Content Size

463.3 kB

After Optimization

299.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of J1939cable.com main page is 463.3 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 153.7 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 111.6 kB

  • Original 130.9 kB
  • After minification 117.7 kB
  • After compression 19.4 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 111.6 kB or 85% of the original size.

Image Optimization

-18%

Potential reduce by 28.0 kB

  • Original 153.7 kB
  • After minification 125.7 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, J1939 Cable needs image optimization as it can save up to 28.0 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-13%

Potential reduce by 18.7 kB

  • Original 146.6 kB
  • After minification 146.6 kB
  • After compression 127.8 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 18.7 kB or 13% of the original size.

CSS Optimization

-18%

Potential reduce by 5.7 kB

  • Original 32.2 kB
  • After minification 32.2 kB
  • After compression 26.5 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. J1939cable.com needs all CSS files to be minified and compressed as it can save up to 5.7 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (29%)

Requests Now

21

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of J1939 Cable. 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

j1939cable.com accessibility score

92

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

Links do not have a discernible name

Best Practices

j1939cable.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

j1939cable.com 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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise J1939cable.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that J1939cable.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 J1939 Cable. 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: