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

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

tezelong.en.alibaba.com

Company Overview - Shenzhen Tezelong Technology Co., Ltd.

Page Load Speed

7.6 sec in total

First Response

23 ms

Resources Loaded

7.2 sec

Page Rendered

358 ms

tezelong.en.alibaba.com screenshot

About Website

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

Shenzhen Tezelong Technology Co., Ltd. Products:Photographic Equipment

Visit tezelong.en.alibaba.com

Key Findings

We analyzed Tezelong.en.alibaba.com page load time and found that the first response time was 23 ms and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

tezelong.en.alibaba.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value7,920 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.129

82/100

15%

TTI (Time to Interactive)

Value26.4 s

0/100

10%

Network Requests Diagram

tezelong.en.alibaba.com

23 ms

tezelong.en.alibaba.com

400 ms

48 ms

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

61 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

62 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Tezelong.en.alibaba.com, 40% (18 requests) were made to S.alicdn.com and 13% (6 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (6.8 sec) relates to the external source Sc04.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 891.9 kB (43%)

Content Size

2.1 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Tezelong.en.alibaba.com main page is 2.1 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 493.6 kB

  • Original 598.4 kB
  • After minification 597.6 kB
  • After compression 104.8 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 493.6 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 144 B

  • Original 168.4 kB
  • After minification 168.2 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. Tezelong En Alibaba images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 398.1 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 892.1 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 398.1 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (47%)

Requests Now

43

After Optimization

23

  • AJAX
  • Images
  • JavaScript

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tezelong 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 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

tezelong.en.alibaba.com

tezelong.en.alibaba.com

23 ms

tezelong.en.alibaba.com

tezelong.en.alibaba.com

400 ms

48 ms

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

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

61 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

62 ms

112 ms

renderHeader.js

renderHeader.js

62 ms

awsc.js

awsc.js

60 ms

17 ms

7.gif

7.gif

162 ms

index.js

index.js

9 ms

index.js

index.js

160 ms

et_f.js

et_f.js

8 ms

um.js

um.js

153 ms

baxiaCommon.js

baxiaCommon.js

151 ms

wcfg.json

wcfg.json

1104 ms

rp

rp

922 ms

TB1qeleveL2gK0jSZPhXXahvXXa-1920-280.png

TB1qeleveL2gK0jSZPhXXahvXXa-1920-280.png

116 ms

HTB11Qjfg8USMeJjy1zjq6A0dXXaV.jpg

HTB11Qjfg8USMeJjy1zjq6A0dXXaV.jpg

463 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

71 ms

HTB1l._gPVXXXXXIXVXXq6xXFXXXQ.jpg

HTB1l._gPVXXXXXIXVXXq6xXFXXXQ.jpg

583 ms

Hea87e372c3d04b68835729724883613fs.jpg

Hea87e372c3d04b68835729724883613fs.jpg

6785 ms

H8142fdc9659043b78c4546857a3a21f5J.jpg

H8142fdc9659043b78c4546857a3a21f5J.jpg

412 ms

HTB1PRRBSpXXXXc8XXXXq6xXFXXXC.jpg

HTB1PRRBSpXXXXc8XXXXq6xXFXXXC.jpg

882 ms

HTB18aTtd7fb_uJjSsrbq6z6bVXaD.jpg

HTB18aTtd7fb_uJjSsrbq6z6bVXaD.jpg

723 ms

Hc58e0d6f6af943a5b849ccff7ba6cb5bk.jpg

Hc58e0d6f6af943a5b849ccff7ba6cb5bk.jpg

871 ms

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

67 ms

Hd1ed481fca5c41b2acd752aff02d0c0cp.png

Hd1ed481fca5c41b2acd752aff02d0c0cp.png

538 ms

2017-new-FD-480II-black-bi-color.jpg_640x640.jpg

2017-new-FD-480II-black-bi-color.jpg_640x640.jpg

854 ms

deep-studio-light-led-soft-box-60cm.jpg_300x300.jpg

deep-studio-light-led-soft-box-60cm.jpg_300x300.jpg

546 ms

jewelry-Rectangle-Metal-b270-b350-b430-Sanoto.png_300x300.jpg

jewelry-Rectangle-Metal-b270-b350-b430-Sanoto.png_300x300.jpg

645 ms

200cm-big-photography-photo-studio-light-box.jpg_300x300.jpg

200cm-big-photography-photo-studio-light-box.jpg_300x300.jpg

570 ms

original-brand-CY-R50L-LED-Ring-Light.jpg_350x350.jpg

original-brand-CY-R50L-LED-Ring-Light.jpg_350x350.jpg

508 ms

aibaba-online-payment-service-fee.png_720x720.jpg

aibaba-online-payment-service-fee.png_720x720.jpg

984 ms

hot-RL-13-RGB-LED-Ring-Light.jpg_480x480.jpg

hot-RL-13-RGB-LED-Ring-Light.jpg_480x480.jpg

1244 ms

high-quality-led-photography-ring-light-for.jpg_480x480.jpg

high-quality-led-photography-ring-light-for.jpg_480x480.jpg

1306 ms

for-video-recording-BM-800-3-5mm.jpg_480x480.jpg

for-video-recording-BM-800-3-5mm.jpg_480x480.jpg

1204 ms

YONGNUO-YN300-Air-II-YN300air-II-YN.jpg_480x480.jpg

YONGNUO-YN300-Air-II-YN300air-II-YN.jpg_480x480.jpg

1303 ms

led-light-room-photo-studio-lights-box.png_480x480.jpg

led-light-room-photo-studio-lights-box.png_480x480.jpg

1433 ms

18-55W-3200K-5500K-240pcs-Dimmable-LED.jpg_480x480.jpg

18-55W-3200K-5500K-240pcs-Dimmable-LED.jpg_480x480.jpg

1767 ms

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

98 ms

wu.json

wu.json

452 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

24 ms

eg.js

eg.js

2 ms

Accessibility Review

tezelong.en.alibaba.com accessibility score

41

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

tezelong.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

tezelong.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 Tezelong.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 Tezelong.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

tezelong.en.alibaba.com

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