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sengelin.en.alibaba.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

sengelin.en.alibaba.com

Shenzhen Sengelin Industry Co., Ltd. - Zipper Bags, Stand Up Zipper Bags

Page Load Speed

4.3 sec in total

First Response

251 ms

Resources Loaded

3.1 sec

Page Rendered

997 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., Experts in Manufacturing and Exporting Zipper Bags, Stand Up Zipper Bags and 0 more Products.

Visit sengelin.en.alibaba.com

Key Findings

We analyzed Sengelin.en.alibaba.com page load time and found that the first response time was 251 ms and then it took 4.1 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

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value5,870 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.17

70/100

15%

TTI (Time to Interactive)

Value29.2 s

0/100

10%

Network Requests Diagram

sengelin.en.alibaba.com

251 ms

sengelin.en.alibaba.com

777 ms

69 ms

65 ms

header.css

122 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Sengelin.en.alibaba.com, 42% (37 requests) were made to S.alicdn.com and 10% (9 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Preview-lyj.aliyuncs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.1 MB (50%)

Content Size

8.2 MB

After Optimization

4.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sengelin.en.alibaba.com main page is 8.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 6.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 427.5 kB

  • Original 520.8 kB
  • After minification 516.9 kB
  • After compression 93.3 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 427.5 kB or 82% of the original size.

Image Optimization

-22%

Potential reduce by 156.9 kB

  • Original 726.3 kB
  • After minification 569.4 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. Obviously, Sengelin En Alibaba needs image optimization as it can save up to 156.9 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-49%

Potential reduce by 3.2 MB

  • Original 6.6 MB
  • After minification 6.6 MB
  • After compression 3.3 MB

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 3.2 MB or 49% of the original size.

CSS Optimization

-66%

Potential reduce by 286.0 kB

  • Original 433.3 kB
  • After minification 382.4 kB
  • After compression 147.3 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. Sengelin.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 286.0 kB or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (64%)

Requests Now

78

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 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 32 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sengelin.en.alibaba.com

sengelin.en.alibaba.com

251 ms

sengelin.en.alibaba.com

sengelin.en.alibaba.com

777 ms

69 ms

65 ms

header.css

header.css

122 ms

header.js

header.js

135 ms

185 ms

web-index.css

web-index.css

129 ms

web-index.css

web-index.css

133 ms

web-index.css

web-index.css

184 ms

web-index.css

web-index.css

185 ms

web-index.css

web-index.css

184 ms

O1CN01KD2ycd23TlAhTEpWp_!!6000000007257-0-tps-3840-90.jpg

O1CN01KD2ycd23TlAhTEpWp_!!6000000007257-0-tps-3840-90.jpg

184 ms

380 ms

209 ms

index.js

index.js

210 ms

211 ms

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

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

496 ms

H75ea9b3491714aba8e29bc80faccc30c8.png

H75ea9b3491714aba8e29bc80faccc30c8.png

495 ms

icon-tuv.png

icon-tuv.png

605 ms

HTB1oaAWcUCF3KVjSZJn762nHFXat.png

HTB1oaAWcUCF3KVjSZJn762nHFXat.png

406 ms

Hf57000592fa042ea9f3a1a9d6f6facbd8.jpg_q80.jpg

Hf57000592fa042ea9f3a1a9d6f6facbd8.jpg_q80.jpg

307 ms

TB1mkhLFFY7gK0jSZKzXXaikpXa-204-204.png

TB1mkhLFFY7gK0jSZKzXXaikpXa-204-204.png

100 ms

TB1BsRiFRr0gK0jSZFnXXbRRXXa-204-204.png

TB1BsRiFRr0gK0jSZFnXXbRRXXa-204-204.png

101 ms

TB18hAvF7L0gK0jSZFAXXcA9pXa-204-204.png

TB18hAvF7L0gK0jSZFAXXcA9pXa-204-204.png

98 ms

TB1C_AxF4v1gK0jSZFFXXb0sXXa-204-204.png

TB1C_AxF4v1gK0jSZFFXXb0sXXa-204-204.png

101 ms

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

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

603 ms

TB1kuhcgQyWBuNjy0FpXXassXXa-18-16.svg

TB1kuhcgQyWBuNjy0FpXXassXXa-18-16.svg

712 ms

TB1VjDmgQyWBuNjy0FpXXassXXa-46-46.svg

TB1VjDmgQyWBuNjy0FpXXassXXa-46-46.svg

716 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

718 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

781 ms

H2a2645d24d374f8f901683c6462c87ae3.jpg

H2a2645d24d374f8f901683c6462c87ae3.jpg

1216 ms

roboto-regular.woff

roboto-regular.woff

91 ms

roboto-medium.woff

roboto-medium.woff

123 ms

roboto-light.woff

roboto-light.woff

125 ms

roboto-thin.woff

roboto-thin.woff

124 ms

roboto-bold.woff

roboto-bold.woff

181 ms

personTipsInfo.do

personTipsInfo.do

264 ms

ee342ed49c834191b3a548c43ae2f2ae

ee342ed49c834191b3a548c43ae2f2ae

1439 ms

108 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

106 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

212 ms

TB1v9yQIG61gK0jSZFlXXXDKFXa-177-27.svg

TB1v9yQIG61gK0jSZFlXXXDKFXa-177-27.svg

175 ms

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

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

945 ms

O1CN01lsY1P61yvAejjEVHt_!!6000000006640-2-tps-584-560.png

O1CN01lsY1P61yvAejjEVHt_!!6000000006640-2-tps-584-560.png

944 ms

TB19Bnzn_tYBeNjy1XdXXXXyVXa-1920-1200.png

TB19Bnzn_tYBeNjy1XdXXXXyVXa-1920-1200.png

943 ms

awsc.js

awsc.js

208 ms

160 ms

icon-font.woff

icon-font.woff

42 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

274 ms

eg.js

eg.js

103 ms

footer.css

footer.css

21 ms

et_n.js

et_n.js

78 ms

um.js

um.js

167 ms

light0.5x.png

light0.5x.png

119 ms

pages_version.html

pages_version.html

166 ms

defer-common.js

defer-common.js

428 ms

i.alicdn.com

i.alicdn.com

427 ms

index.js

index.js

83 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

73 ms

sc.globalxman.appscene

sc.globalxman.appscene

60 ms

index.js

index.js

53 ms

index.js

index.js

54 ms

index.js

index.js

219 ms

7.gif

7.gif

52 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

71 ms

wu.json

wu.json

68 ms

baxiaCommon.js

baxiaCommon.js

38 ms

rp

rp

1055 ms

index.web.css

index.web.css

35 ms

index.web.js

index.web.js

47 ms

availableSurveyQuery.json

availableSurveyQuery.json

95 ms

index.css

index.css

78 ms

um.json

um.json

210 ms

index.js

index.js

178 ms

store-proxy.html

store-proxy.html

150 ms

countryCurrencyDataService

countryCurrencyDataService

178 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

134 ms

personRoleInfo.do

personRoleInfo.do

161 ms

notification.do

notification.do

163 ms

getUmid.do

getUmid.do

51 ms

iconfont.woff

iconfont.woff

18 ms

iconfont.woff

iconfont.woff

4 ms

font_992356_jz8e219lwqi.css

font_992356_jz8e219lwqi.css

18 ms

normalize.css

normalize.css

753 ms

index.css

index.css

346 ms

mtoplib.min.js

mtoplib.min.js

4 ms

uploaded.js

uploaded.js

5 ms

index.js

index.js

767 ms

Accessibility Review

sengelin.en.alibaba.com accessibility score

66

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

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

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

71

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

High

Document doesn't have a valid hreflang

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 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: