Tools & Wizards About Us
de.tnjchem.com screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

de.tnjchem.com

PVP K30,N-Methylpyrrolidon,Natrium Natriumborhydrid-TNJ Chemical Industry Co.,Ltd.

Page Load Speed

9.4 sec in total

First Response

2.8 sec

Resources Loaded

6.4 sec

Page Rendered

261 ms

de.tnjchem.com screenshot

About Website

Click here to check amazing De TNJ Chem content for Uzbekistan. Otherwise, check out these important facts you probably never knew about de.tnjchem.com

TNJ Chemical Industry Co.,Ltd. liefert Ihnen PVP K30,N-Methylpyrrolidon,Natriumborohydrid,wir sind eine professionelle chemische Hersteller und Lieferant in China. Jetzt Anfragen!

Visit de.tnjchem.com

Key Findings

We analyzed De.tnjchem.com page load time and found that the first response time was 2.8 sec and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

de.tnjchem.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.52

15/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

de.tnjchem.com

2769 ms

font-awesome.min.css

105 ms

bootstrap.min.css

297 ms

style.css

292 ms

main.css

122 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 94% of them (63 requests) were addressed to the original De.tnjchem.com, 4% (3 requests) were made to Googletagmanager.com and 1% (1 request) were made to Cdn.livechatinc.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain De.tnjchem.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 213.8 kB (6%)

Content Size

3.6 MB

After Optimization

3.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of De.tnjchem.com main page is 3.6 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. 40% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 41.0 kB

  • Original 50.4 kB
  • After minification 34.9 kB
  • After compression 9.4 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. This page needs HTML code to be minified as it can gain 15.5 kB, which is 31% 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 41.0 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 113.2 kB

  • Original 3.4 MB
  • After minification 3.2 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. De TNJ Chem images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 54.0 kB

  • Original 138.8 kB
  • After minification 138.8 kB
  • After compression 84.8 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 54.0 kB or 39% of the original size.

CSS Optimization

-11%

Potential reduce by 5.5 kB

  • Original 50.8 kB
  • After minification 50.8 kB
  • After compression 45.3 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. De.tnjchem.com needs all CSS files to be minified and compressed as it can save up to 5.5 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (41%)

Requests Now

63

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De TNJ Chem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

de.tnjchem.com

de.tnjchem.com

2769 ms

font-awesome.min.css

font-awesome.min.css

105 ms

bootstrap.min.css

bootstrap.min.css

297 ms

style.css

style.css

292 ms

main.css

main.css

122 ms

global.css

global.css

193 ms

jquery.min.js

jquery.min.js

399 ms

bootstrap.min.js

bootstrap.min.js

207 ms

banner.js

banner.js

231 ms

chinaz.js

chinaz.js

288 ms

mainscript.js

mainscript.js

306 ms

jquery.easydropdown.js

jquery.easydropdown.js

329 ms

jquery.flexisel.js

jquery.flexisel.js

384 ms

jquery.flexisel04.js

jquery.flexisel04.js

394 ms

demo.js

demo.js

393 ms

modernizr.js

modernizr.js

415 ms

jquery.fixed.1.3.js

jquery.fixed.1.3.js

438 ms

custom.js

custom.js

478 ms

jquery.validate.min.js

jquery.validate.min.js

490 ms

jquery.blockUI.js

jquery.blockUI.js

494 ms

common.js

common.js

493 ms

index.js

index.js

510 ms

inquirydone.js

inquirydone.js

533 ms

jcarousellite_1.0.1.pack.js

jcarousellite_1.0.1.pack.js

572 ms

tab.js

tab.js

586 ms

js

js

68 ms

main.js

main.js

636 ms

gtm.js

gtm.js

51 ms

b88271bfb7db34b056eeca49679ffe71.png

b88271bfb7db34b056eeca49679ffe71.png

131 ms

word.png

word.png

131 ms

16838005087142200487.jpg

16838005087142200487.jpg

274 ms

14678183574992.jpg

14678183574992.jpg

552 ms

15015510341028.png

15015510341028.png

620 ms

15778610337152200487.jpg

15778610337152200487.jpg

189 ms

8995903d766764185bec4efcef3198a3.png

8995903d766764185bec4efcef3198a3.png

390 ms

40edb72059146541f6e6769f848b1eb6.jpg

40edb72059146541f6e6769f848b1eb6.jpg

305 ms

0e9926b61b185c02e6aa5735380a7918.jpg

0e9926b61b185c02e6aa5735380a7918.jpg

285 ms

05bc37044b2e7a03323c0feacdbf53de.png

05bc37044b2e7a03323c0feacdbf53de.png

377 ms

d5da914d56963c98f0b743fd02eba009.png

d5da914d56963c98f0b743fd02eba009.png

385 ms

76a02127739261a4bdbf384ee9cb6662.jpg

76a02127739261a4bdbf384ee9cb6662.jpg

406 ms

d57749a43ab063dbe374940d280cd978.jpg

d57749a43ab063dbe374940d280cd978.jpg

474 ms

13bc85a65d35c5bcfbe0cfbbaf3ff3a4.jpg

13bc85a65d35c5bcfbe0cfbbaf3ff3a4.jpg

496 ms

dcbff686d1de277eb018b94c8cb68b83.jpg

dcbff686d1de277eb018b94c8cb68b83.jpg

489 ms

016a1a811995cd116b5bc72e05ca5bf7.jpg

016a1a811995cd116b5bc72e05ca5bf7.jpg

504 ms

8e79a26362f92f20f0d1e7adc83edc82.jpg

8e79a26362f92f20f0d1e7adc83edc82.jpg

571 ms

weixin.png

weixin.png

594 ms

left_contact_skype.png

left_contact_skype.png

591 ms

em_icon.png

em_icon.png

614 ms

whats.png

whats.png

647 ms

wechat.png

wechat.png

670 ms

qq.png

qq.png

690 ms

button_bg.png

button_bg.png

651 ms

nav_li_bg.png

nav_li_bg.png

670 ms

middle_img.png

middle_img.png

646 ms

tab_top_bg_1.png

tab_top_bg_1.png

637 ms

in_i_w.png

in_i_w.png

660 ms

vicons.svg

vicons.svg

763 ms

js

js

23 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

653 ms

footer_bg.png

footer_bg.png

663 ms

footer_li_bg.png

footer_li_bg.png

689 ms

sidebar_bg.png

sidebar_bg.png

280 ms

gray_line.gif

gray_line.gif

101 ms

sidebar_bg.gif

sidebar_bg.gif

187 ms

tracking.js

tracking.js

41 ms

banner_icon_2.png

banner_icon_2.png

96 ms

banner_icon_1.png

banner_icon_1.png

98 ms

Accessibility Review

de.tnjchem.com accessibility score

46

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

Form elements do not have associated labels

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

de.tnjchem.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

de.tnjchem.com SEO score

82

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise De.tnjchem.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 De.tnjchem.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

de.tnjchem.com

Open Graph description is not detected on the main page of De TNJ Chem. 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: