Tools & Wizards About Us
njchm.com screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

njchm.com

China Chemical Raw Material Supply: Nanjing Chemical Material Corp. Manufacturer

Page Load Speed

2.8 sec in total

First Response

428 ms

Resources Loaded

2.2 sec

Page Rendered

170 ms

njchm.com screenshot

About Website

Welcome to njchm.com homepage info - get ready to check Njchm best content right away, or after learning these important things about njchm.com

NCMC, founded in 1995, Hot-sale products: Sodium Laureth(2) Sulfate(AES), Stearyl Tri-methyl ammonium chloride, Palmity Tri-methyl ammonium chloride, Ethyl Vinyl Ether, L-Hydroxyproline, Potassium Iod...

Visit njchm.com

Key Findings

We analyzed Njchm.com page load time and found that the first response time was 428 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

njchm.com performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.13

81/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

njchm.com

428 ms

www.njchm.com

639 ms

gtm.js

1093 ms

all.min.css

141 ms

jquery-1.10.2.min.js

267 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 90% of them (18 requests) were addressed to the original Njchm.com, 10% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 88.6 kB (28%)

Content Size

312.1 kB

After Optimization

223.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Njchm.com main page is 312.1 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 117.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 87.3 kB

  • Original 106.5 kB
  • After minification 86.2 kB
  • After compression 19.1 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 20.2 kB, which is 19% 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 87.3 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 96 B

  • Original 117.6 kB
  • After minification 117.5 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. Njchm images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 718 B

  • Original 42.0 kB
  • After minification 42.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 483 B

  • Original 46.2 kB
  • After minification 46.2 kB
  • After compression 45.7 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. Njchm.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (56%)

Requests Now

18

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Njchm. 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 from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

njchm.com

njchm.com

428 ms

www.njchm.com

www.njchm.com

639 ms

gtm.js

gtm.js

1093 ms

all.min.css

all.min.css

141 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

267 ms

js

js

1135 ms

all.min.js

all.min.js

154 ms

bxslider.min.js

bxslider.min.js

159 ms

wow.min.js

wow.min.js

193 ms

traffic.js

traffic.js

203 ms

bootstrap.min.css

bootstrap.min.css

189 ms

font-awesome.css

font-awesome.css

138 ms

richtext.css

richtext.css

141 ms

animate.min.css

animate.min.css

171 ms

nanjing-chemical-material-corp.-logo.jpg

nanjing-chemical-material-corp.-logo.jpg

69 ms

en.png

en.png

64 ms

goolble.png

goolble.png

70 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

209 ms

iconfont.woff

iconfont.woff

136 ms

njchm.jpg

njchm.jpg

213 ms

Accessibility Review

njchm.com accessibility score

90

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

njchm.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

njchm.com SEO score

84

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

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 Njchm.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 Njchm.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

njchm.com

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