Report Summary

  • 49

    Performance

    Renders faster than
    68% 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

  • 79

    SEO

    Google-friendlier than
    40% of websites

nxchem.cn

水性胶,PU胶,水性PU胶,环保喷胶,混合溶胶,水性硬化剂,鞋用粘剂,单面胶,黄胶粉胶,油性PU胶,环保节能胶,合化胶-吉水县南欣化工有限公司

Page Load Speed

62.4 sec in total

First Response

14.2 sec

Resources Loaded

47.1 sec

Page Rendered

1.2 sec

nxchem.cn screenshot

About Website

Visit nxchem.cn now to see the best up-to-date Nxchem content for China and also check out these interesting facts you probably never knew about nxchem.cn

南欣化工有限公司是一家中外合资,专业从事鞋用胶粘剂研发、生产与推广的现代化高科技企业。主要产品包括水性胶,PU胶,水性PU胶,油性PU胶,环保喷胶,水性喷胶,水性硬化剂,鞋用粘剂,单面胶,混合溶剂,喷胶,硬化剂,黄胶,粉胶,胶水,药水胶,环保节能胶、贴合胶、合化胶等系列产品,并在新一代水性产品上有着卓越的表现。欢迎致电咨询:13922974032

Visit nxchem.cn

Key Findings

We analyzed Nxchem.cn page load time and found that the first response time was 14.2 sec and then it took 48.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 19 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

nxchem.cn performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value5.5 s

70/100

10%

Network Requests Diagram

nxchem.cn

14156 ms

Style.css

6226 ms

jquery-1.7.2.min.js

16513 ms

5imoban.net.blue1.css

5034 ms

jquery.smallslider.js

6176 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 8% of them (7 requests) were addressed to the original Nxchem.cn, 53% (44 requests) were made to Skinspath.acshoes.com and 23% (19 requests) were made to Resource.acshoes.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Resource.acshoes.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 140.2 kB (21%)

Content Size

661.0 kB

After Optimization

520.8 kB

In fact, the total size of Nxchem.cn main page is 661.0 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. 15% of websites need less resources to load. Images take 553.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 36.0 kB

  • Original 47.1 kB
  • After minification 44.0 kB
  • After compression 11.2 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 36.0 kB or 76% of the original size.

Image Optimization

-10%

Potential reduce by 55.9 kB

  • Original 553.5 kB
  • After minification 497.6 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. Nxchem images are well optimized though.

JavaScript Optimization

-80%

Potential reduce by 31.3 kB

  • Original 39.4 kB
  • After minification 25.1 kB
  • After compression 8.0 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 31.3 kB or 80% of the original size.

CSS Optimization

-81%

Potential reduce by 17.0 kB

  • Original 21.0 kB
  • After minification 17.6 kB
  • After compression 4.0 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. Nxchem.cn needs all CSS files to be minified and compressed as it can save up to 17.0 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (39%)

Requests Now

62

After Optimization

38

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nxchem. 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.

Accessibility Review

nxchem.cn accessibility score

62

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

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

nxchem.cn 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

nxchem.cn SEO score

79

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nxchem.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Nxchem.cn 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 Nxchem. 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: