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

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

zlpower.en.alibaba.com

Shenzhen Zlpower Electronics Co., Ltd.

Page Load Speed

3.7 sec in total

First Response

297 ms

Resources Loaded

2.7 sec

Page Rendered

765 ms

zlpower.en.alibaba.com screenshot

About Website

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

Shenzhen Zlpower Electronics Co., Ltd., Experts in Manufacturing and Exporting and 0 more Products.

Visit zlpower.en.alibaba.com

Key Findings

We analyzed Zlpower.en.alibaba.com page load time and found that the first response time was 297 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

zlpower.en.alibaba.com performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value16.9 s

0/100

10%

TBT (Total Blocking Time)

Value7,250 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.51

15/100

15%

TTI (Time to Interactive)

Value26.6 s

0/100

10%

Network Requests Diagram

zlpower.en.alibaba.com

297 ms

zlpower.en.alibaba.com

663 ms

295 ms

291 ms

header.css

334 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Zlpower.en.alibaba.com, 40% (33 requests) were made to S.alicdn.com and 12% (10 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (962 ms) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.7 MB (58%)

Content Size

6.4 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zlpower.en.alibaba.com main page is 6.4 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. 80% 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 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 369.8 kB

  • Original 457.4 kB
  • After minification 453.2 kB
  • After compression 87.6 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 369.8 kB or 81% of the original size.

Image Optimization

-24%

Potential reduce by 137.1 kB

  • Original 575.4 kB
  • After minification 438.3 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, Zlpower En Alibaba needs image optimization as it can save up to 137.1 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 3.0 MB

  • Original 5.1 MB
  • After minification 5.1 MB
  • After compression 2.1 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 3.0 MB or 59% of the original size.

CSS Optimization

-64%

Potential reduce by 202.3 kB

  • Original 313.9 kB
  • After minification 263.0 kB
  • After compression 111.5 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. Zlpower.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 202.3 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (51%)

Requests Now

72

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zlpower 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 29 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zlpower.en.alibaba.com

zlpower.en.alibaba.com

297 ms

zlpower.en.alibaba.com

zlpower.en.alibaba.com

663 ms

295 ms

291 ms

header.css

header.css

334 ms

header.js

header.js

336 ms

37 ms

web-index.css

web-index.css

292 ms

web-index.css

web-index.css

340 ms

web-index.css

web-index.css

333 ms

web-index.css

web-index.css

334 ms

web-index.css

web-index.css

334 ms

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

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

334 ms

359 ms

332 ms

index.js

index.js

332 ms

333 ms

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

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

107 ms

He3f5e6bc94a34662ab6dacf1a59346fbA.png

He3f5e6bc94a34662ab6dacf1a59346fbA.png

518 ms

Hc5d14e95b4bd4ea1a9d7e8f87dcc71e3w.jpg

Hc5d14e95b4bd4ea1a9d7e8f87dcc71e3w.jpg

537 ms

Hcb889901036e4c52b726e5efa3854a677.jpg_q80.jpg

Hcb889901036e4c52b726e5efa3854a677.jpg_q80.jpg

190 ms

H6cb4320f0389495c81c90230252f91d9d.jpg_q80.jpg

H6cb4320f0389495c81c90230252f91d9d.jpg_q80.jpg

208 ms

Hbdf00d6c766c40e48e54a2ea595d0fcau.png

Hbdf00d6c766c40e48e54a2ea595d0fcau.png

316 ms

H51a6ac993ec44bceb2339df2c400122cs.jpg

H51a6ac993ec44bceb2339df2c400122cs.jpg

319 ms

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

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

189 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

208 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

228 ms

roboto-regular.woff

roboto-regular.woff

89 ms

roboto-medium.woff

roboto-medium.woff

88 ms

roboto-light.woff

roboto-light.woff

88 ms

roboto-thin.woff

roboto-thin.woff

88 ms

roboto-bold.woff

roboto-bold.woff

159 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

134 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

134 ms

personTipsInfo.do

personTipsInfo.do

370 ms

awsc.js

awsc.js

219 ms

123 ms

H40bb529c0ad043c0a714a3bf12f9ee41y.jpg

H40bb529c0ad043c0a714a3bf12f9ee41y.jpg

201 ms

H10fe06e226704300a374c76715e09ea72.jpg

H10fe06e226704300a374c76715e09ea72.jpg

211 ms

H697502b7d31b44e3bdf96009b8805721e.jpg

H697502b7d31b44e3bdf96009b8805721e.jpg

414 ms

H41304314bf194a6b8fe491107a11e2a3y.jpg

H41304314bf194a6b8fe491107a11e2a3y.jpg

337 ms

H60369ec0eb514724b52d297b3e3f324bX.jpg

H60369ec0eb514724b52d297b3e3f324bX.jpg

472 ms

H1dbab7216f784b1aae708540e6c881d03.jpg

H1dbab7216f784b1aae708540e6c881d03.jpg

570 ms

Ha25c894d2ac14b1c86af480ca7bad30ch.jpg

Ha25c894d2ac14b1c86af480ca7bad30ch.jpg

497 ms

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

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

179 ms

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

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

187 ms

H2649d895ab244beb8f4966e3db7803bdw.jpg

H2649d895ab244beb8f4966e3db7803bdw.jpg

410 ms

91 ms

icon-font.woff

icon-font.woff

42 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

162 ms

index.js

index.js

127 ms

eg.js

eg.js

284 ms

sc.globalxman.appscene

sc.globalxman.appscene

237 ms

footer.css

footer.css

115 ms

et_n.js

et_n.js

25 ms

um.js

um.js

99 ms

light0.5x.png

light0.5x.png

76 ms

wu.json

wu.json

501 ms

pages_version.html

pages_version.html

92 ms

defer-common.js

defer-common.js

519 ms

i.alicdn.com

i.alicdn.com

510 ms

index.js

index.js

32 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

24 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

57 ms

index.css

index.css

29 ms

7.gif

7.gif

21 ms

index.js

index.js

111 ms

index.js

index.js

111 ms

index.web.css

index.web.css

9 ms

index.web.js

index.web.js

27 ms

availableSurveyQuery.json

availableSurveyQuery.json

106 ms

baxiaCommon.js

baxiaCommon.js

49 ms

rp

rp

962 ms

um.json

um.json

180 ms

index.js

index.js

202 ms

store-proxy.html

store-proxy.html

160 ms

countryCurrencyDataService

countryCurrencyDataService

217 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

136 ms

personRoleInfo.do

personRoleInfo.do

125 ms

notification.do

notification.do

237 ms

getUmid.do

getUmid.do

79 ms

iconfont.woff

iconfont.woff

11 ms

iconfont.woff

iconfont.woff

21 ms

Accessibility Review

zlpower.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

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

zlpower.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

Displays images with incorrect aspect ratio

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

zlpower.en.alibaba.com SEO score

79

Search Engine Optimization Advices

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 Zlpower.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 Zlpower.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

zlpower.en.alibaba.com

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