Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

cnruisen.com

High Voltage Insulator Coating/Paint, Silicone Rubber Insulation - Ruisen Manufacturer

Page Load Speed

3.5 sec in total

First Response

381 ms

Resources Loaded

2.1 sec

Page Rendered

980 ms

cnruisen.com screenshot

About Website

Visit cnruisen.com now to see the best up-to-date Cn Ruisen content and also check out these interesting facts you probably never knew about cnruisen.com

Ruisen is the largest manufacturer of RTV Silicon Coating (HVICs) in China with ISO 9001 certified. With many years' experience about R&D, manufacture management, and project management, our products ...

Visit cnruisen.com

Key Findings

We analyzed Cnruisen.com page load time and found that the first response time was 381 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

cnruisen.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.246

50/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

cnruisen.com

381 ms

www.cnruisen.com

575 ms

bq-min.css

88 ms

jquery-1.10.2.min.js

217 ms

sea.js

203 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 92% of them (46 requests) were addressed to the original Cnruisen.com, 4% (2 requests) were made to Googletagmanager.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (612 ms) belongs to the original domain Cnruisen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.0 kB (7%)

Content Size

983.1 kB

After Optimization

915.1 kB

In fact, the total size of Cnruisen.com main page is 983.1 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. 50% of websites need less resources to load. Images take 772.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 59.4 kB

  • Original 70.2 kB
  • After minification 54.6 kB
  • After compression 10.7 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. This page needs HTML code to be minified as it can gain 15.6 kB, which is 22% 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 59.4 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 7.3 kB

  • Original 772.3 kB
  • After minification 765.0 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. Cn Ruisen images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 609 B

  • Original 96.1 kB
  • After minification 96.1 kB
  • After compression 95.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 634 B

  • Original 44.5 kB
  • After minification 44.5 kB
  • After compression 43.9 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. Cnruisen.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (32%)

Requests Now

44

After Optimization

30

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn Ruisen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cnruisen.com accessibility score

88

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

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

cnruisen.com 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

cnruisen.com SEO score

93

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

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