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

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

btcase.en.alibaba.com

Guangzhou Bt Electronic Technology Co., Ltd.

Page Load Speed

4.6 sec in total

First Response

80 ms

Resources Loaded

3.8 sec

Page Rendered

709 ms

btcase.en.alibaba.com screenshot

About Website

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

Guangzhou Bt Electronic Technology Co., Ltd., Experts in Manufacturing and Exporting and 0 more Products.

Visit btcase.en.alibaba.com

Key Findings

We analyzed Btcase.en.alibaba.com page load time and found that the first response time was 80 ms and then it took 4.5 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

btcase.en.alibaba.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value4,890 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.134

80/100

15%

TTI (Time to Interactive)

Value28.2 s

0/100

10%

Network Requests Diagram

btcase.en.alibaba.com

80 ms

btcase.en.alibaba.com

950 ms

82 ms

77 ms

header.css

71 ms

Our browser made a total of 125 requests to load all elements on the main page. We found that 2% of them (3 requests) were addressed to the original Btcase.en.alibaba.com, 24% (30 requests) were made to S.alicdn.com and 18% (23 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.0 MB (63%)

Content Size

6.4 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Btcase.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. Only a small number of websites need less resources to load. Javascripts take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 516.4 kB

  • Original 628.7 kB
  • After minification 624.8 kB
  • After compression 112.3 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 516.4 kB or 82% of the original size.

Image Optimization

-16%

Potential reduce by 11.3 kB

  • Original 68.7 kB
  • After minification 57.4 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, Bt Case En Alibaba needs image optimization as it can save up to 11.3 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 3.2 MB

  • Original 5.3 MB
  • After minification 5.3 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 3.2 MB or 61% of the original size.

CSS Optimization

-72%

Potential reduce by 283.2 kB

  • Original 395.6 kB
  • After minification 344.7 kB
  • After compression 112.4 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. Btcase.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 283.2 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (41%)

Requests Now

108

After Optimization

64

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bt Case 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

btcase.en.alibaba.com

btcase.en.alibaba.com

80 ms

btcase.en.alibaba.com

btcase.en.alibaba.com

950 ms

82 ms

77 ms

header.css

header.css

71 ms

header.js

header.js

76 ms

74 ms

web-index.css

web-index.css

72 ms

web-index.css

web-index.css

209 ms

web-index.css

web-index.css

205 ms

230 ms

190 ms

index.js

index.js

192 ms

193 ms

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

603 ms

Hf5ba35e543374ebca6c8579c51ad182aP.jpg

Hf5ba35e543374ebca6c8579c51ad182aP.jpg

778 ms

H87666e6a79c144ffb8f42dc35a1db7fdU.jpg

H87666e6a79c144ffb8f42dc35a1db7fdU.jpg

1104 ms

New-Mesh-Hot-Dissipation-Shockproof-Wireless-Charger.jpg_640x640.jpg

New-Mesh-Hot-Dissipation-Shockproof-Wireless-Charger.jpg_640x640.jpg

325 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

131 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

132 ms

H6a1de58b61124decb0e1cc7e50a113cd5.jpg

H6a1de58b61124decb0e1cc7e50a113cd5.jpg

181 ms

Factory-Wholesale-Price-High-Quality-Smoke-Matte.jpg_640x640.jpg

Factory-Wholesale-Price-High-Quality-Smoke-Matte.jpg_640x640.jpg

451 ms

Original-Luxury-Genuine-Leather-Pu-Case-Magnetic.jpg_640x640.jpg

Original-Luxury-Genuine-Leather-Pu-Case-Magnetic.jpg_640x640.jpg

451 ms

High-Quality-Real-Carbon-Fiber-Magnetic-Case.jpg_640x640.jpg

High-Quality-Real-Carbon-Fiber-Magnetic-Case.jpg_640x640.jpg

887 ms

Acrylic-3-in-1-Wholesale-Customised-Accessories.jpg_640x640.jpg

Acrylic-3-in-1-Wholesale-Customised-Accessories.jpg_640x640.jpg

773 ms

Magnetic-Shockproof-Phone-Case-Metal-Lens-Camera.jpg_640x640.jpg

Magnetic-Shockproof-Phone-Case-Metal-Lens-Camera.jpg_640x640.jpg

600 ms

Original-Metal-Lens-Frame-HD-Clear-Acrylic.jpg_640x640.jpg

Original-Metal-Lens-Frame-HD-Clear-Acrylic.jpg_640x640.jpg

564 ms

Factory-Hot-Selling-Trendy-PC-TPU-Cell.png_640x640.png

Factory-Hot-Selling-Trendy-PC-TPU-Cell.png_640x640.png

698 ms

Shockproof-Back-Cover-Trendy-Hot-Selling-Metal.jpg_640x640.jpg

Shockproof-Back-Cover-Trendy-Hot-Selling-Metal.jpg_640x640.jpg

888 ms

Original-Factory-Luxury-Leather-Magsafe-Magnetic-Wireless.jpg_640x640.jpg

Original-Factory-Luxury-Leather-Magsafe-Magnetic-Wireless.jpg_640x640.jpg

714 ms

Protective-Camera-Flim-CD-Electroplated-TPU-Phone.jpg_640x640.jpg

Protective-Camera-Flim-CD-Electroplated-TPU-Phone.jpg_640x640.jpg

712 ms

BT-CASE-Luxury-Transparent-Metal-3-in.jpg_640x640.jpg

BT-CASE-Luxury-Transparent-Metal-3-in.jpg_640x640.jpg

1121 ms

Original-Genuine-Leather-Metal-Lens-Ring-Frame.jpg_640x640.jpg

Original-Genuine-Leather-Metal-Lens-Ring-Frame.jpg_640x640.jpg

1294 ms

Luxury-Silicone-Leather-Magnetic-Mag-Safe-Hard.jpg_640x640.jpg

Luxury-Silicone-Leather-Magnetic-Mag-Safe-Hard.jpg_640x640.jpg

1078 ms

New-arrival-factory-Leather-phone-case-for.jpg_640x640.jpg

New-arrival-factory-Leather-phone-case-for.jpg_640x640.jpg

884 ms

Kickstand-ring-leather-cover-Cell-Phone-Accessories.jpg_640x640.jpg

Kickstand-ring-leather-cover-Cell-Phone-Accessories.jpg_640x640.jpg

1070 ms

High-Quality-Genuine-Leather-Pu-Case-Magnetic.jpg_640x640.jpg

High-Quality-Genuine-Leather-Pu-Case-Magnetic.jpg_640x640.jpg

1100 ms

BT-luxury-leather-case-new-arrival-fashionable.jpg_640x640.jpg

BT-luxury-leather-case-new-arrival-fashionable.jpg_640x640.jpg

1336 ms

TB2WTzLgbSYBuNjSspiXXXNzpXa-3377521498.png

TB2WTzLgbSYBuNjSspiXXXNzpXa-3377521498.png

696 ms

TB2MKv_gkOWBuNjSsppXXXPgpXa-3377521498.png

TB2MKv_gkOWBuNjSsppXXXPgpXa-3377521498.png

711 ms

TB2TiKBg7OWBuNjSsppXXXPgpXa-3377521498.png

TB2TiKBg7OWBuNjSsppXXXPgpXa-3377521498.png

713 ms

TB2n2Y.g9BYBeNjy0FeXXbnmFXa-3377521498.png

TB2n2Y.g9BYBeNjy0FeXXbnmFXa-3377521498.png

712 ms

TB29gkAj1OSBuNjy0FdXXbDnVXa-3377521498.png

TB29gkAj1OSBuNjy0FdXXbDnVXa-3377521498.png

1288 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

699 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

711 ms

H55310d5e9eca4ed08508119c55411156R.jpg

H55310d5e9eca4ed08508119c55411156R.jpg

373 ms

Ha4247a2873224ecd81129b91dfafbd91F.jpg

Ha4247a2873224ecd81129b91dfafbd91F.jpg

711 ms

Hc6ee5efcacce4695aac934181ba90681m.jpg

Hc6ee5efcacce4695aac934181ba90681m.jpg

447 ms

H6044d83a49054d96918de01efd085e49F.jpg

H6044d83a49054d96918de01efd085e49F.jpg

451 ms

H8be367a7305e43919bd39b7ead4b8c5aE.jpg

H8be367a7305e43919bd39b7ead4b8c5aE.jpg

710 ms

H3864c44373004c16b548f38ea5b16244k.jpg

H3864c44373004c16b548f38ea5b16244k.jpg

450 ms

H97959c6d398c4860ba87b06f5d1152e7I.jpg

H97959c6d398c4860ba87b06f5d1152e7I.jpg

1075 ms

He4dace20acde4f29b592636e09539ddaX.jpg

He4dace20acde4f29b592636e09539ddaX.jpg

768 ms

Hb2e041a125df4eb69fd2dfcd5bcd3c0dm.jpg

Hb2e041a125df4eb69fd2dfcd5bcd3c0dm.jpg

709 ms

H820e4e03b34c4752a250e90dca27a348l.jpg

H820e4e03b34c4752a250e90dca27a348l.jpg

1096 ms

H2767a3044cdb4446b03dd0519d6a1c57u.jpg

H2767a3044cdb4446b03dd0519d6a1c57u.jpg

801 ms

H5c5b474f02de46ec9b064dc2f16d694bU.jpg

H5c5b474f02de46ec9b064dc2f16d694bU.jpg

1172 ms

H8744a7a62a3c49e4a50c6addf55bb9e9Y.jpg

H8744a7a62a3c49e4a50c6addf55bb9e9Y.jpg

1094 ms

H6274df84e85a4197850cb8f634838c99C.jpg

H6274df84e85a4197850cb8f634838c99C.jpg

799 ms

Ha7940299b06246e2a2b3d251be0042bbk.jpg

Ha7940299b06246e2a2b3d251be0042bbk.jpg

1273 ms

He43d4f6251e64127abc9fff723148edd5.jpg

He43d4f6251e64127abc9fff723148edd5.jpg

1126 ms

H2a04b99ab9d64e52978370cf08137bdem.jpg

H2a04b99ab9d64e52978370cf08137bdem.jpg

1357 ms

Hd2e4aa49a8184b0c80f64525c90476f7t.jpg

Hd2e4aa49a8184b0c80f64525c90476f7t.jpg

1540 ms

Hb13b65aeed304c0587f43aedb315c464t.jpg

Hb13b65aeed304c0587f43aedb315c464t.jpg

1232 ms

H41015777ebbb4796b2207bd197e7aff6A.jpg

H41015777ebbb4796b2207bd197e7aff6A.jpg

1178 ms

Hc338ff3f5836471c84548cf7cbdcf1a4h.jpg

Hc338ff3f5836471c84548cf7cbdcf1a4h.jpg

1502 ms

H717891066cc544379d9d0782e5c29293Q.jpg

H717891066cc544379d9d0782e5c29293Q.jpg

1549 ms

H9223a50b197b4552851af5a46e6b6b13t.jpg

H9223a50b197b4552851af5a46e6b6b13t.jpg

1762 ms

Hfd7577845ad445e3b26446ddddac54f2G.jpg

Hfd7577845ad445e3b26446ddddac54f2G.jpg

1327 ms

H702cd7bdb92e49ad9d6f7e28287378a2A.jpg

H702cd7bdb92e49ad9d6f7e28287378a2A.jpg

1662 ms

personTipsInfo.do

personTipsInfo.do

513 ms

awsc.js

awsc.js

504 ms

158 ms

223 ms

H161fa36704da429b8aa392b339fe273dd.jpg

H161fa36704da429b8aa392b339fe273dd.jpg

1568 ms

H2890d2598f204a148bcfb0687dbeaa28h.jpg

H2890d2598f204a148bcfb0687dbeaa28h.jpg

1838 ms

Hf2f0a56a54b741d1bdd3e8d1874e628dR.jpg

Hf2f0a56a54b741d1bdd3e8d1874e628dR.jpg

1798 ms

H65f884884c824c04801c9496054a154cM.jpg

H65f884884c824c04801c9496054a154cM.jpg

1278 ms

H43d4b3ec62ec42e5862330ee45eedee2V.jpg

H43d4b3ec62ec42e5862330ee45eedee2V.jpg

146 ms

undefined

undefined

345 ms

roboto-regular.woff

roboto-regular.woff

146 ms

roboto-medium.woff

roboto-medium.woff

185 ms

roboto-light.woff

roboto-light.woff

148 ms

roboto-thin.woff

roboto-thin.woff

146 ms

roboto-bold.woff

roboto-bold.woff

146 ms

icon-font.woff

icon-font.woff

146 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

424 ms

eg.js

eg.js

352 ms

index.js

index.js

390 ms

sc.globalxman.appscene

sc.globalxman.appscene

170 ms

footer.css

footer.css

16 ms

light0.5x.png

light0.5x.png

283 ms

pages_version.html

pages_version.html

251 ms

defer-common.js

defer-common.js

385 ms

i.alicdn.com

i.alicdn.com

241 ms

index.js

index.js

70 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

79 ms

et_n.js

et_n.js

69 ms

um.js

um.js

144 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

173 ms

index.js

index.js

70 ms

index.js

index.js

81 ms

7.gif

7.gif

68 ms

baxiaCommon.js

baxiaCommon.js

66 ms

rp

rp

986 ms

wu.json

wu.json

367 ms

index.css

index.css

31 ms

index.js

index.js

5 ms

index.web.css

index.web.css

5 ms

index.web.js

index.web.js

28 ms

availableSurveyQuery.json

availableSurveyQuery.json

191 ms

store-proxy.html

store-proxy.html

121 ms

countryCurrencyDataService

countryCurrencyDataService

137 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

90 ms

personRoleInfo.do

personRoleInfo.do

95 ms

notification.do

notification.do

138 ms

iconfont.woff

iconfont.woff

25 ms

iconfont.woff

iconfont.woff

5 ms

um.json

um.json

51 ms

getUmid.do

getUmid.do

10 ms

offline.gif

offline.gif

1824 ms

offline.gif

offline.gif

1824 ms

offline.gif

offline.gif

1825 ms

offline.gif

offline.gif

1767 ms

offline.gif

offline.gif

911 ms

Accessibility Review

btcase.en.alibaba.com accessibility score

65

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Some elements have a [tabindex] value greater than 0

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

btcase.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

btcase.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 Btcase.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 Btcase.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

btcase.en.alibaba.com

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