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

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

sengelin.en.alibaba.com

Company Overview - Shenzhen Sengelin Industry Co., Ltd.

Page Load Speed

5.2 sec in total

First Response

1.3 sec

Resources Loaded

3.6 sec

Page Rendered

306 ms

sengelin.en.alibaba.com screenshot

About Website

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

Shenzhen Sengelin Industry Co., Ltd. Products:Zipper Bags, Stand Up Zipper Bags, Spout Bags, Flat Bottom Bags, Roll Film

Visit sengelin.en.alibaba.com

Key Findings

We analyzed Sengelin.en.alibaba.com page load time and found that the first response time was 1.3 sec and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

sengelin.en.alibaba.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value5,260 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value24.6 s

0/100

10%

Network Requests Diagram

sengelin.en.alibaba.com

1314 ms

sengelin.en.alibaba.com

193 ms

299 ms

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

157 ms

index.js

162 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Sengelin.en.alibaba.com, 45% (13 requests) were made to S.alicdn.com and 10% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 790.0 kB (45%)

Content Size

1.8 MB

After Optimization

964.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Sengelin.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 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 246.9 kB

  • Original 313.7 kB
  • After minification 313.0 kB
  • After compression 66.8 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 246.9 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 37 B

  • Original 12.1 kB
  • After minification 12.0 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. Sengelin En Alibaba images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 543.1 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 885.3 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 543.1 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (74%)

Requests Now

27

After Optimization

7

  • AJAX
  • Images
  • JavaScript

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sengelin 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

sengelin.en.alibaba.com

sengelin.en.alibaba.com

1314 ms

sengelin.en.alibaba.com

sengelin.en.alibaba.com

193 ms

299 ms

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

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

157 ms

index.js

index.js

162 ms

index.js

index.js

140 ms

renderHeader.js

renderHeader.js

150 ms

H6194dbe57e9d4a3aadd5bade591d45da4.png

H6194dbe57e9d4a3aadd5bade591d45da4.png

306 ms

O1CN01REbO5M1iNFNVX2yeq_!!6000000004400-2-tps-1920-200.png

O1CN01REbO5M1iNFNVX2yeq_!!6000000004400-2-tps-1920-200.png

81 ms

O1CN01kpueUS231orwYDJAV_!!6000000007196-2-tps-132-34.png

O1CN01kpueUS231orwYDJAV_!!6000000007196-2-tps-132-34.png

159 ms

O1CN01gZ3lTu1XIFHZfHHGr_!!6000000002900-2-tps-36-36.png

O1CN01gZ3lTu1XIFHZfHHGr_!!6000000002900-2-tps-36-36.png

94 ms

H10965e8dbe094f49804e9f734f30408eg.jpg

H10965e8dbe094f49804e9f734f30408eg.jpg

291 ms

H53441b770b154b40b9abc8bd5e0e7b795.jpg

H53441b770b154b40b9abc8bd5e0e7b795.jpg

676 ms

H10dc7c2395244ca7baf9d56c3d44d90d2.jpg

H10dc7c2395244ca7baf9d56c3d44d90d2.jpg

2047 ms

H0deec8ddf7964e57b9721df3541c8762m.jpg

H0deec8ddf7964e57b9721df3541c8762m.jpg

1662 ms

H30bdcb644ae44098979090b0206a8382U.jpg

H30bdcb644ae44098979090b0206a8382U.jpg

1162 ms

H8195491930fe48d883be80dc1d5b5b417.jpg

H8195491930fe48d883be80dc1d5b5b417.jpg

748 ms

H69c89661b85148fda8e82a67764952f9M.jpg

H69c89661b85148fda8e82a67764952f9M.jpg

408 ms

H9f48483e423e4d53b3a57b93d7326586u.jpg

H9f48483e423e4d53b3a57b93d7326586u.jpg

598 ms

awsc.js

awsc.js

228 ms

15 ms

7.gif

7.gif

16 ms

et_n.js

et_n.js

74 ms

um.js

um.js

127 ms

wu.json

wu.json

478 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

264 ms

eg.js

eg.js

3 ms

index.js

index.js

56 ms

Accessibility Review

sengelin.en.alibaba.com accessibility score

72

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

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

sengelin.en.alibaba.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

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

sengelin.en.alibaba.com SEO score

86

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

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 Sengelin.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 Sengelin.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

sengelin.en.alibaba.com

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