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

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

centurysailing.en.alibaba.com

Alibaba Manufacturer Directory - Suppliers, Manufacturers, Exporters & Importers

Page Load Speed

5.5 sec in total

First Response

1.2 sec

Resources Loaded

3.9 sec

Page Rendered

417 ms

centurysailing.en.alibaba.com screenshot

About Website

Click here to check amazing Centurysailing En Alibaba content for China. Otherwise, check out these important facts you probably never knew about centurysailing.en.alibaba.com

Shandong Century Sailing Imp.& Exp. Co., Ltd. Products:Gypsum board,Galvanized channel,PVC laminated gypsum ceiling and T grid,Putty powder and gypsum powder,PVC film

Visit centurysailing.en.alibaba.com

Key Findings

We analyzed Centurysailing.en.alibaba.com page load time and found that the first response time was 1.2 sec and then it took 4.3 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

centurysailing.en.alibaba.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value4,320 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value25.2 s

0/100

10%

Network Requests Diagram

centurysailing.en.alibaba.com

1238 ms

centurysailing.en.alibaba.com

408 ms

16 ms

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

289 ms

index.js

339 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Centurysailing.en.alibaba.com, 46% (17 requests) were made to S.alicdn.com and 14% (5 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Sc04.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 800.3 kB (44%)

Content Size

1.8 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Centurysailing.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. 45% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 534.1 kB

  • Original 633.4 kB
  • After minification 632.7 kB
  • After compression 99.3 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 534.1 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 7.5 kB
  • After minification 7.5 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. Centurysailing En Alibaba images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 266.2 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 266.2 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (57%)

Requests Now

35

After Optimization

15

  • AJAX
  • Images
  • JavaScript

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centurysailing 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

centurysailing.en.alibaba.com

centurysailing.en.alibaba.com

1238 ms

centurysailing.en.alibaba.com

centurysailing.en.alibaba.com

408 ms

16 ms

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

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

289 ms

index.js

index.js

339 ms

index.js

index.js

299 ms

renderHeader.js

renderHeader.js

302 ms

H66f3a0e94a6041ba8a18c13aae8eaf5eb.jpg

H66f3a0e94a6041ba8a18c13aae8eaf5eb.jpg

863 ms

H633a3b63dabc43b9b67d1d99dd560da7W.jpg

H633a3b63dabc43b9b67d1d99dd560da7W.jpg

951 ms

H61f8bbf600fe42b0a64763c13e74d5a8E.jpg

H61f8bbf600fe42b0a64763c13e74d5a8E.jpg

483 ms

awsc.js

awsc.js

22 ms

25 ms

et_f.js

et_f.js

32 ms

um.js

um.js

30 ms

7.gif

7.gif

244 ms

wu.json

wu.json

316 ms

H4e44b69420bd4114bba69e38a93567c8W.jpg

H4e44b69420bd4114bba69e38a93567c8W.jpg

786 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

194 ms

H9070bc7b3944423ebadc445ad306d6a2P.jpg

H9070bc7b3944423ebadc445ad306d6a2P.jpg

540 ms

H894f4547e6534013a42808a25efe19fe5.jpg

H894f4547e6534013a42808a25efe19fe5.jpg

2176 ms

H9566fa605927457c8daa97f59f4dd9ef7.png

H9566fa605927457c8daa97f59f4dd9ef7.png

589 ms

Hf05560b4a6c449c28c20cbba764844fcD.jpg

Hf05560b4a6c449c28c20cbba764844fcD.jpg

1057 ms

H2bd20e7c022040ff9bdf42d8085e4cbdz.jpg

H2bd20e7c022040ff9bdf42d8085e4cbdz.jpg

1479 ms

Hf5798490e21b4f0d96f1758cb51f426fQ.jpg

Hf5798490e21b4f0d96f1758cb51f426fQ.jpg

568 ms

H6891eb52fc414f4c90e318733c4be65bz.jpg

H6891eb52fc414f4c90e318733c4be65bz.jpg

1129 ms

H46e7595501374aa4912d9eb2fdf5095e7.jpg

H46e7595501374aa4912d9eb2fdf5095e7.jpg

863 ms

Paper-Faced-Gypsum-Board-Fiberglass-Gypsum-Board.png_480x480.jpg

Paper-Faced-Gypsum-Board-Fiberglass-Gypsum-Board.png_480x480.jpg

912 ms

Paper-Faced-Gypsum-Board-7mm-8mm-9mm.jpg_480x480.jpg

Paper-Faced-Gypsum-Board-7mm-8mm-9mm.jpg_480x480.jpg

1576 ms

2440-1220mm-3mm-PVC-Sheet-Marble-Laminate.jpg_480x480.jpg

2440-1220mm-3mm-PVC-Sheet-Marble-Laminate.jpg_480x480.jpg

1105 ms

Plastic-Wall-Panel-Alternative-Marble-Bamboo-Charcoal.jpg_480x480.jpg

Plastic-Wall-Panel-Alternative-Marble-Bamboo-Charcoal.jpg_480x480.jpg

1177 ms

UV-Marble-Sheet-Paste-Install-1-2.jpg_480x480.jpg

UV-Marble-Sheet-Paste-Install-1-2.jpg_480x480.jpg

1795 ms

Paper-Faced-Gypsum-Board-Plaster-Board-Paper.jpg_480x480.jpg

Paper-Faced-Gypsum-Board-Plaster-Board-Paper.jpg_480x480.jpg

1575 ms

Gypsum-Board-Ceiling-Drywall-Gypsum-Board.png_480x480.jpg

Gypsum-Board-Ceiling-Drywall-Gypsum-Board.png_480x480.jpg

1551 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

169 ms

eg.js

eg.js

3 ms

index.js

index.js

32 ms

Accessibility Review

centurysailing.en.alibaba.com accessibility score

43

Accessibility Issues

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

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.

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

centurysailing.en.alibaba.com best practices score

75

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

SEO Factors

centurysailing.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 Centurysailing.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 Centurysailing.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

centurysailing.en.alibaba.com

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