Tools & Wizards About Us
jchemkorea.com screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

jchemkorea.com

Polyether Polyol and TDI80/20 for Flexible PU industry-J CHEM KOREA

Page Load Speed

5 sec in total

First Response

725 ms

Resources Loaded

4.1 sec

Page Rendered

120 ms

jchemkorea.com screenshot

About Website

Visit jchemkorea.com now to see the best up-to-date J CHEM KOREA content for China and also check out these interesting facts you probably never knew about jchemkorea.com

J CHEM KOREA is one of the largest suppliers based in Korea in the field of Flexible PU foam, Polymer resins, Platicizers and Solvents..

Visit jchemkorea.com

Key Findings

We analyzed Jchemkorea.com page load time and found that the first response time was 725 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

jchemkorea.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.425

22/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

jchemkorea.com

725 ms

bootstrap.css

463 ms

bootstrap-responsive.css

449 ms

master.css

451 ms

index.css

466 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 98% of them (49 requests) were addressed to the original Jchemkorea.com, 2% (1 request) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Jchemkorea.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 95.9 kB (5%)

Content Size

1.9 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jchemkorea.com main page is 1.9 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 10.3 kB

  • Original 13.8 kB
  • After minification 12.9 kB
  • After compression 3.5 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 10.3 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 73.3 kB

  • Original 1.8 MB
  • After minification 1.8 MB

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. J CHEM KOREA images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 9.1 kB

  • Original 71.0 kB
  • After minification 70.2 kB
  • After compression 61.9 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 9.1 kB or 13% of the original size.

CSS Optimization

-12%

Potential reduce by 3.2 kB

  • Original 26.3 kB
  • After minification 26.3 kB
  • After compression 23.1 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. Jchemkorea.com needs all CSS files to be minified and compressed as it can save up to 3.2 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (43%)

Requests Now

47

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of J CHEM KOREA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jchemkorea.com

jchemkorea.com

725 ms

bootstrap.css

bootstrap.css

463 ms

bootstrap-responsive.css

bootstrap-responsive.css

449 ms

master.css

master.css

451 ms

index.css

index.css

466 ms

flexslider.css

flexslider.css

469 ms

colorbox.css

colorbox.css

470 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

899 ms

bootstrap.min.js

bootstrap.min.js

677 ms

jquery.pngFix.js

jquery.pngFix.js

692 ms

global-new-init.js

global-new-init.js

698 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

704 ms

init.colorbox.js

init.colorbox.js

704 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

908 ms

init.index.js

init.index.js

922 ms

addthis_widget.js

addthis_widget.js

12 ms

modernizr.js

modernizr.js

948 ms

respond.min.js

respond.min.js

949 ms

jquery.tooltip.js

jquery.tooltip.js

948 ms

jquery.easing.js

jquery.easing.js

1121 ms

jquery.ui.totop.js

jquery.ui.totop.js

1128 ms

jquery.fontresize.js

jquery.fontresize.js

1152 ms

jquery.cookie.js

jquery.cookie.js

1163 ms

250 ms

jhk-logo.png

jhk-logo.png

249 ms

bg-menutop-1.png

bg-menutop-1.png

419 ms

mkbuplpje0r8vgvq_jpg_930x360_crop_q85.png

mkbuplpje0r8vgvq_jpg_930x360_crop_q85.png

1552 ms

vg35h6r14ltly3nm_jpg_930x360_crop_q85.png

vg35h6r14ltly3nm_jpg_930x360_crop_q85.png

1834 ms

zzht0zetuaos67z1_jpg_930x360_crop_q85.png

zzht0zetuaos67z1_jpg_930x360_crop_q85.png

1399 ms

fajgnten8ysma04i_jpg_930x360_crop_q85.png

fajgnten8ysma04i_jpg_930x360_crop_q85.png

1415 ms

divider12.png

divider12.png

714 ms

tdi-1.png

tdi-1.png

643 ms

counter.png

counter.png

867 ms

polyol-2.png

polyol-2.png

1183 ms

www-kpxchemical-com-1.jpg

www-kpxchemical-com-1.jpg

1091 ms

www-kpxfinechem-com-1.jpg

www-kpxfinechem-com-1.jpg

1315 ms

kpx-green-chemical.jpeg

kpx-green-chemical.jpeg

1417 ms

www-dowpg-com-1.jpg

www-dowpg-com-1.jpg

1538 ms

lg-chem.jpeg

lg-chem.jpeg

1632 ms

hcc-hanwha-co-kr-1.jpg

hcc-hanwha-co-kr-1.jpg

1649 ms

www-isuchemical-com-1.jpg

www-isuchemical-com-1.jpg

1652 ms

www-kmci-co-kr-1.jpg

www-kmci-co-kr-1.jpg

1762 ms

www-kpb-co-kr-1.jpg

www-kpb-co-kr-1.jpg

1777 ms

www-kkpc.com-1.jpg

www-kkpc.com-1.jpg

1866 ms

smarthomepage-logo-s.png

smarthomepage-logo-s.png

1883 ms

overlay.png

overlay.png

1640 ms

border.png

border.png

1739 ms

controls.png

controls.png

1756 ms

global-new-print.css

global-new-print.css

233 ms

slider-arrow.png

slider-arrow.png

231 ms

Accessibility Review

jchemkorea.com accessibility score

95

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.

Best Practices

jchemkorea.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

SEO Factors

jchemkorea.com SEO score

83

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

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 Jchemkorea.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 Jchemkorea.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

jchemkorea.com

Open Graph description is not detected on the main page of J CHEM KOREA. 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: