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

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

szlisen.en.alibaba.com

Company Overview - Shenzhen Lisen Technology Co., Ltd.

Page Load Speed

2.8 sec in total

First Response

93 ms

Resources Loaded

2.4 sec

Page Rendered

288 ms

szlisen.en.alibaba.com screenshot

About Website

Welcome to szlisen.en.alibaba.com homepage info - get ready to check Sz Lisen En Alibaba best content for China right away, or after learning these important things about szlisen.en.alibaba.com

Shenzhen Lisen Technology Co., Ltd. Products:Car Phone Holder, Table Holder, Car Charger, Data cable, Power Bank

Visit szlisen.en.alibaba.com

Key Findings

We analyzed Szlisen.en.alibaba.com page load time and found that the first response time was 93 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

szlisen.en.alibaba.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value3,930 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value27.8 s

0/100

10%

Network Requests Diagram

szlisen.en.alibaba.com

93 ms

szlisen.en.alibaba.com

420 ms

27 ms

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

44 ms

index.js

85 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Szlisen.en.alibaba.com, 30% (24 requests) were made to Sc02.alicdn.com and 23% (18 requests) were made to Img.alicdn.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Img.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.7 MB (72%)

Content Size

3.8 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Szlisen.en.alibaba.com main page is 3.8 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. 40% of websites need less resources to load. Javascripts take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 751.5 kB

  • Original 860.1 kB
  • After minification 859.2 kB
  • After compression 108.6 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 751.5 kB or 87% of the original size.

Image Optimization

-11%

Potential reduce by 5.1 kB

  • Original 47.4 kB
  • After minification 42.3 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, Sz Lisen En Alibaba needs image optimization as it can save up to 5.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 2.0 MB

  • Original 2.8 MB
  • After minification 2.8 MB
  • After compression 885.4 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 2.0 MB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (56%)

Requests Now

77

After Optimization

34

  • AJAX
  • Images
  • JavaScript

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sz Lisen 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

szlisen.en.alibaba.com

szlisen.en.alibaba.com

93 ms

szlisen.en.alibaba.com

szlisen.en.alibaba.com

420 ms

27 ms

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

44 ms

index.js

index.js

85 ms

index.js

index.js

78 ms

renderHeader.js

renderHeader.js

68 ms

awsc.js

awsc.js

44 ms

10 ms

7.gif

7.gif

111 ms

et_n.js

et_n.js

12 ms

um.js

um.js

76 ms

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56 ms

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218 ms

LISEN-100W-4-in-1-Fast-Car.jpg_350x350.jpg

LISEN-100W-4-in-1-Fast-Car.jpg_350x350.jpg

307 ms

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581 ms

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LISEN-New-design-2024-360-Rotation-Air.jpg_350x350.jpg

94 ms

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2024-New-Arrival-Qi2-15w-3-in.jpg_350x350.jpg

97 ms

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LISEN-New-Design-All-Alloy-0-3.jpg_350x350.jpg

222 ms

LISEN-Ultra-Stable-Bike-Motorcycle-Phone-Holder.jpg_350x350.jpg

LISEN-Ultra-Stable-Bike-Motorcycle-Phone-Holder.jpg_350x350.jpg

561 ms

LISEN-2024-Trending-Anti-Shock-Phone-Bike.jpg_350x350.jpg

LISEN-2024-Trending-Anti-Shock-Phone-Bike.jpg_350x350.jpg

308 ms

LISEN-360-Degree-Flexible-Universal-Dashboard-Car.jpg_350x350.jpg

LISEN-360-Degree-Flexible-Universal-Dashboard-Car.jpg_350x350.jpg

543 ms

Lisen-Bike-Phone-Holder-Mount-Phone-Bracket.jpg_350x350.jpg

Lisen-Bike-Phone-Holder-Mount-Phone-Bracket.jpg_350x350.jpg

835 ms

LISEN-Portable-Adjustable-Desktop-Phone-Holder-Foldable.jpg_350x350.jpg

LISEN-Portable-Adjustable-Desktop-Phone-Holder-Foldable.jpg_350x350.jpg

402 ms

LISEN-Hot-Sales-3-IN-1-15W.jpg_350x350.jpg

LISEN-Hot-Sales-3-IN-1-15W.jpg_350x350.jpg

555 ms

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LISEN-Top-Seller-Aluminum-Magnetic-Charging-Phone.jpg_350x350.jpg

497 ms

Lisen-2024-New-Arrival-Airplane-Luggage-Foldable.png_350x350.png

Lisen-2024-New-Arrival-Airplane-Luggage-Foldable.png_350x350.png

608 ms

AINOPE-Top-Seller-24oz-750ml-Water-Bottle.jpg_350x350.jpg

AINOPE-Top-Seller-24oz-750ml-Water-Bottle.jpg_350x350.jpg

635 ms

LISEN-Direct-Selling-Universal-Flexible-Bike-360.jpg_350x350.jpg

LISEN-Direct-Selling-Universal-Flexible-Bike-360.jpg_350x350.jpg

715 ms

LISEN-Exclusive-360-Rotating-Car-Phone-Holder.jpg_350x350.jpg

LISEN-Exclusive-360-Rotating-Car-Phone-Holder.jpg_350x350.jpg

831 ms

LISEN-Car-Phone-Holder-mobile-phone-holder.jpg_350x350.jpg

LISEN-Car-Phone-Holder-mobile-phone-holder.jpg_350x350.jpg

853 ms

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90 ms

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85 ms

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74 ms

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984 ms

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988 ms

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1038 ms

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625 ms

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1015 ms

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969 ms

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647 ms

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1039 ms

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1334 ms

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1396 ms

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1459 ms

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1411 ms

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1469 ms

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1732 ms

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1718 ms

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1864 ms

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1847 ms

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319 ms

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172 ms

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215 ms

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233 ms

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460 ms

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368 ms

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313 ms

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223 ms

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383 ms

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402 ms

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410 ms

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676 ms

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389 ms

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532 ms

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493 ms

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889 ms

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573 ms

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559 ms

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635 ms

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912 ms

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723 ms

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893 ms

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640 ms

wu.json

wu.json

376 ms

um.json

um.json

53 ms

getUmid.do

getUmid.do

19 ms

eg.js

eg.js

2 ms

index.js

index.js

20 ms

Accessibility Review

szlisen.en.alibaba.com accessibility score

64

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

szlisen.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

szlisen.en.alibaba.com SEO score

93

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

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 Szlisen.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 Szlisen.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

szlisen.en.alibaba.com

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