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

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

leefirstin.en.alibaba.com

Company Overview - Shenzhen Linwei Industrial Co., Ltd.

Page Load Speed

2.9 sec in total

First Response

228 ms

Resources Loaded

2.3 sec

Page Rendered

308 ms

leefirstin.en.alibaba.com screenshot

About Website

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

Shenzhen Linwei Industrial Co., Ltd. Products:Phone Protection Covers,Watch Band,Earphone,Earphone Case,Charger

Visit leefirstin.en.alibaba.com

Key Findings

We analyzed Leefirstin.en.alibaba.com page load time and found that the first response time was 228 ms and then it took 2.6 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

leefirstin.en.alibaba.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value15.1 s

1/100

10%

TBT (Total Blocking Time)

Value18,600 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.78

5/100

15%

TTI (Time to Interactive)

Value30.8 s

0/100

10%

Network Requests Diagram

leefirstin.en.alibaba.com

228 ms

leefirstin.en.alibaba.com

419 ms

14 ms

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

311 ms

index.js

343 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Leefirstin.en.alibaba.com, 45% (13 requests) were made to S.alicdn.com and 10% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 960.0 kB (48%)

Content Size

2.0 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Leefirstin.en.alibaba.com main page is 2.0 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. 35% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 515.4 kB

  • Original 620.4 kB
  • After minification 619.6 kB
  • After compression 104.9 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 515.4 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 4.8 kB
  • After minification 4.8 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. Leefirstin En Alibaba images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 444.5 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 931.8 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 444.5 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (63%)

Requests Now

27

After Optimization

10

  • AJAX
  • Images
  • JavaScript

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Leefirstin 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

leefirstin.en.alibaba.com

leefirstin.en.alibaba.com

228 ms

leefirstin.en.alibaba.com

leefirstin.en.alibaba.com

419 ms

14 ms

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

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

311 ms

index.js

index.js

343 ms

index.js

index.js

311 ms

renderHeader.js

renderHeader.js

328 ms

awsc.js

awsc.js

40 ms

10 ms

7.gif

7.gif

227 ms

et_f.js

et_f.js

9 ms

um.js

um.js

155 ms

He914c1ededb3428ebad185863b0adf3dg.png

He914c1ededb3428ebad185863b0adf3dg.png

747 ms

H8a716be08af149289e108e57ea64b83dq.png

H8a716be08af149289e108e57ea64b83dq.png

1158 ms

H2ba00a959c3c4cbcad5c5326bb271495B.png

H2ba00a959c3c4cbcad5c5326bb271495B.png

1658 ms

H9d550501ad9b4a03898e6bd4aa119672p.png

H9d550501ad9b4a03898e6bd4aa119672p.png

868 ms

Hf184756665384b5c8451d8d5f7390ea9m.png

Hf184756665384b5c8451d8d5f7390ea9m.png

1175 ms

H1f57d4f4a7f3410c8d0aca02882853bbU.png

H1f57d4f4a7f3410c8d0aca02882853bbU.png

680 ms

Hd41331a1a5cb4d4c9c54796afd191e05U.png

Hd41331a1a5cb4d4c9c54796afd191e05U.png

1063 ms

Eco-Friendly-Wood-Phone-Cases-for-iPhone.png_350x350.jpg

Eco-Friendly-Wood-Phone-Cases-for-iPhone.png_350x350.jpg

656 ms

Customize-Engraved-Wood-Phone-Case-for-iPhone.png_350x350.jpg

Customize-Engraved-Wood-Phone-Case-for-iPhone.png_350x350.jpg

797 ms

Luxury-Genuine-Leather-Laptop-Sleeve-for-MacBook.png_350x350.jpg

Luxury-Genuine-Leather-Laptop-Sleeve-for-MacBook.png_350x350.jpg

819 ms

Leefirst-Best-seller-PU-Leather-Case-Folio.jpg_350x350.jpg

Leefirst-Best-seller-PU-Leather-Case-Folio.jpg_350x350.jpg

1405 ms

H61a9263696a7415b8158521037bebd09d.png

H61a9263696a7415b8158521037bebd09d.png

1029 ms

wu.json

wu.json

339 ms

um.json

um.json

57 ms

getUmid.do

getUmid.do

655 ms

eg.js

eg.js

4 ms

index.js

index.js

4 ms

Accessibility Review

leefirstin.en.alibaba.com accessibility score

62

Accessibility Issues

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

leefirstin.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

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

leefirstin.en.alibaba.com SEO score

86

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 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 Leefirstin.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 Leefirstin.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

leefirstin.en.alibaba.com

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