Access chinayaruichem.com. Detda,Dmtda,Diethyltoluenediamine, Dimethyl Thio-Toluene Diamine

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

88/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.252

49/100

15%

TTI (Time to Interactive)

Value8.1 s

42/100

10%

chinayaruichem.com

398 ms

basecss.css

403 ms

public.css

401 ms

mmenu.css

414 ms

media-queries.css

412 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 81% of them (54 requests) were addressed to the original Chinayaruichem.com, 9% (6 requests) were made to Service-analytics.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Chinayaruichem.com.

Content Size

1.1 MB

After Optimization

957.2 kB

In fact, the total size of Chinayaruichem.com main page is 1.1 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. 30% of websites need less resources to load. Images take 906.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 30.8 kB

Original 38.1 kB
After minification 32.5 kB
After compression 7.4 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 5.6 kB, which is 15% 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 30.8 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 66.4 kB

Original 906.0 kB
After minification 839.7 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. China Ya Rui Chem images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.2 kB

Original 102.6 kB
After minification 102.6 kB
After compression 101.4 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

-11%

Potential reduce by 1.1 kB

Original 9.8 kB
After minification 9.8 kB
After compression 8.7 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. Chinayaruichem.com needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 11% of the original size.

Requests Now

After Optimization

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of China Ya Rui 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 16 to 1 for JavaScripts and from 5 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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

High

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

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

UTF-8

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

chinayaruichem.com

Open Graph description is not detected on the main page of China Ya Rui 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Detda,Dmtda,Diethyltoluenediamine, Dimethyl Thio-Toluene Diamine - China YaRuiChem

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

chinayaruichem.com

basecss.css

public.css

mmenu.css

media-queries.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

chinayaruichem.com

basecss.css

public.css

mmenu.css

media-queries.css

gcp.js

js

101365533.js

analytic.php

cookie-policy.js

jquery-1.7.2.min.js

banner.js

smartnav.js

index.js

application.js

this_website.js

cn.gif

en.gif

ko.gif

ja.gif

ru.gif

fr.gif

ar.gif

hi.gif

es.gif

pt.gif

logo.jpg

icon1.png

icon2.png

icon3.png

icon4.png

logo2.png

nav-bg.jpg

20150815110918_404.jpg

20150815111006_920.jpg

20150815111030_790.jpg

dian.png

bannerBot.jpg

maininbottom.jpg

abouttiele.png

readmore.png

line.jpg

dimethylthio-toluenediaminedmtda-71_254_134.jpg