Access jstchemical.en.china.cn. Zibo Jiashitai Chemical Technology Co., Limited - sodium carboxymethylcellulose & 3 3'-Dichlorob...

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

jstchemical.en.china.cn

1176 ms

jstchemical.goldsupplier.com

1290 ms

aliplayer-min.css

453 ms

common.min.css

275 ms

shop_v2.min.css

286 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Jstchemical.en.china.cn, 54% (42 requests) were made to Res.goldsupplier.com and 12% (9 requests) were made to Img11.fr-trading.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Img11.fr-trading.com.

Content Size

1.3 MB

After Optimization

737.8 kB

In fact, the total size of Jstchemical.en.china.cn main page is 1.3 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. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 57.8 kB

Original 72.8 kB
After minification 72.8 kB
After compression 15.0 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 57.8 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 75 B

Original 72.7 kB
After minification 72.6 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. Jst Chemical En China images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 474.7 kB

Original 1.1 MB
After minification 1.1 MB
After compression 619.0 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 474.7 kB or 43% of the original size.

CSS Optimization

-1%

Potential reduce by 372 B

Original 31.7 kB
After minification 31.7 kB
After compression 31.3 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. Jstchemical.en.china.cn has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jst Chemical En China. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Image elements do not have [alt] attributes

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

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/).

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 Jstchemical.en.china.cn 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 Jstchemical.en.china.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

jstchemical.en.china.cn

Open Graph description is not detected on the main page of Jst Chemical En China. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Zibo Jiashitai Chemical Technology Co., Limited - sodium carboxymethylcellulose & 3 3'-Dichlorobenzidine dihydrochloride from China Suppliers

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

jstchemical.en.china.cn

jstchemical.goldsupplier.com

aliplayer-min.css

common.min.css

shop_v2.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

jstchemical.en.china.cn

jstchemical.goldsupplier.com

aliplayer-min.css

common.min.css

shop_v2.min.css

jquery.mCustomScrollbar.min.css

online-chat_v2.min.css

inquiry-fast_v2.min.css

logo.png.webp

circle-loading.svg

aliplayer-min.js

carousel.js

config.min.js

es6-promise.auto.min.js

jquery.min.js

jquery.cookie.min.js

jquery.lazyload.min.js

en.min.js

jquery.base64.min.js

common.min.js

google_event.min.js

search.min.js

jquery.validation.min.js

floating_box.min.js

jquery.mCustomScrollbar.min.js

product.min.js

source-request.min.js

share.min.js

quick-inquiry_v2.min.js

js

adsbygoogle.js

count.min.js

shop-icon.png

icon_earth.png

icon_arrow_down.png

product-icon.png

free_bg.jpg

default_corp.png

free.png

default_user.png

women-default.png

company_profile_bg.jpg.webp

chat-icon.png