Tools & Wizards About Us
tcca90.en.alibaba.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

tcca90.en.alibaba.com

Qingdao Develop Chemistry Co., Ltd. - Sodium Dichloroisocyanurate, Trichloroisocyanuric Acid

Page Load Speed

4.9 sec in total

First Response

456 ms

Resources Loaded

4 sec

Page Rendered

394 ms

tcca90.en.alibaba.com screenshot

About Website

Visit tcca90.en.alibaba.com now to see the best up-to-date Tcca 90 En Alibaba content for China and also check out these interesting facts you probably never knew about tcca90.en.alibaba.com

Qingdao Develop Chemistry Co., Ltd., Experts in Manufacturing and Exporting Sodium Dichloroisocyanurate, Trichloroisocyanuric Acid and 0 more Products.

Visit tcca90.en.alibaba.com

Key Findings

We analyzed Tcca90.en.alibaba.com page load time and found that the first response time was 456 ms and then it took 4.4 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

tcca90.en.alibaba.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value12,930 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value27.5 s

0/100

10%

Network Requests Diagram

tcca90.en.alibaba.com

456 ms

tcca90.en.alibaba.com

338 ms

38 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

49 ms

index.js

70 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Tcca90.en.alibaba.com, 53% (19 requests) were made to S.alicdn.com and 8% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 756.1 kB (42%)

Content Size

1.8 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Tcca90.en.alibaba.com main page is 1.8 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. 35% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 511.4 kB

  • Original 616.8 kB
  • After minification 616.1 kB
  • After compression 105.4 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. 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 511.4 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 7 B

  • Original 8.7 kB
  • After minification 8.7 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. Tcca 90 En Alibaba images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 244.7 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 930.3 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 244.7 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (59%)

Requests Now

34

After Optimization

14

  • AJAX
  • Images
  • JavaScript

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tcca 90 En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

tcca90.en.alibaba.com

tcca90.en.alibaba.com

456 ms

tcca90.en.alibaba.com

tcca90.en.alibaba.com

338 ms

38 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

49 ms

index.js

index.js

70 ms

index.js

index.js

93 ms

renderHeader.js

renderHeader.js

70 ms

Heb45e57c0aa94a3594db373cd3c274f9U.jpg

Heb45e57c0aa94a3594db373cd3c274f9U.jpg

522 ms

H32041b5578fc4a228e386b644e224554J.jpg

H32041b5578fc4a228e386b644e224554J.jpg

516 ms

Hdd9a6bd9408f43fe95fc0b9f62e2c7eeq.jpg

Hdd9a6bd9408f43fe95fc0b9f62e2c7eeq.jpg

2703 ms

awsc.js

awsc.js

51 ms

27 ms

7.gif

7.gif

18 ms

et_f.js

et_f.js

13 ms

um.js

um.js

119 ms

H1d2671b822c747708e041c81622527cek.jpg

H1d2671b822c747708e041c81622527cek.jpg

569 ms

A60b5236e58404a70845b26ad746bbef7A.jpg

A60b5236e58404a70845b26ad746bbef7A.jpg

792 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

99 ms

Hfa688bb849f940b3878ca2f073c4fad0e.jpg

Hfa688bb849f940b3878ca2f073c4fad0e.jpg

314 ms

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

45 ms

H4a44f5679ed74583b667e6b16c311f54G.jpg

H4a44f5679ed74583b667e6b16c311f54G.jpg

53 ms

H42ba8ad39d81484d8150caabb52d17b1C.jpg

H42ba8ad39d81484d8150caabb52d17b1C.jpg

599 ms

Hc083c152a9034550a8a2228a9d8e10671.jpg

Hc083c152a9034550a8a2228a9d8e10671.jpg

181 ms

nadcc-SDIC-tablet2-67g-3-3g-Sodium.jpg

nadcc-SDIC-tablet2-67g-3-3g-Sodium.jpg

2485 ms

Sodium-DichloroIsocyanurate-sdic-dihydrate.jpg

Sodium-DichloroIsocyanurate-sdic-dihydrate.jpg

862 ms

56-SDIC-effervescent-granular-for-water-treatment.jpg

56-SDIC-effervescent-granular-for-water-treatment.jpg

2242 ms

chlorine-tablet-sodium-dichloroisocyanurate-SDIC-56-60.jpg

chlorine-tablet-sodium-dichloroisocyanurate-SDIC-56-60.jpg

1030 ms

polyaluminium-chloride-PAC-for-chemical-flocculant-polymer.jpg_480x480.jpg

polyaluminium-chloride-PAC-for-chemical-flocculant-polymer.jpg_480x480.jpg

1321 ms

china-supply-price-chemicals-raw-Material-SLES.png_480x480.jpg

china-supply-price-chemicals-raw-Material-SLES.png_480x480.jpg

1412 ms

High-Quality-LABSA-96-Factory-Provides-Linear.png_480x480.jpg

High-Quality-LABSA-96-Factory-Provides-Linear.png_480x480.jpg

1617 ms

HTB1fkkSj0zJ8KJjSspkq6zF7VXaF.jpg

HTB1fkkSj0zJ8KJjSspkq6zF7VXaF.jpg

3207 ms

wu.json

wu.json

336 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

19 ms

eg.js

eg.js

3 ms

index.js

index.js

6 ms

Accessibility Review

tcca90.en.alibaba.com accessibility score

74

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

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

Impact

Issue

High

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

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.

Best Practices

tcca90.en.alibaba.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

tcca90.en.alibaba.com SEO score

79

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 doesn't use 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 Tcca90.en.alibaba.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 Tcca90.en.alibaba.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

tcca90.en.alibaba.com

Open Graph data is detected on the main page of Tcca 90 En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: