Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

lenovo.com.cn

联想_lenovo笔记本电脑_平板电脑_手机_台式机_服务器_外设数码_联想官网

Page Load Speed

24.2 sec in total

First Response

4.2 sec

Resources Loaded

19.2 sec

Page Rendered

749 ms

lenovo.com.cn screenshot

About Website

Visit lenovo.com.cn now to see the best up-to-date Lenovo content for China and also check out these interesting facts you probably never knew about lenovo.com.cn

联想_lenovo笔记本电脑_平板电脑_手机_台式机_服务器_外设数码_联想官网

Visit lenovo.com.cn

Key Findings

We analyzed Lenovo.com.cn page load time and found that the first response time was 4.2 sec and then it took 20 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

lenovo.com.cn performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value24.3 s

0/100

25%

SI (Speed Index)

Value15.5 s

0/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.084

93/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

www.lenovo.com.cn

4168 ms

m1.lefile.cn

1850 ms

25f444cb-0ac8-4c3a-9588-1e9832f3ca3c.jpg

1278 ms

7076cb17-c743-44c3-adee-96ba7b8c293e.jpg

2264 ms

tempimage.gif

137 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 5% of them (4 requests) were addressed to the original Lenovo.com.cn, 25% (19 requests) were made to Pic.shop.lenovo.com.cn and 19% (14 requests) were made to M1.lefile.cn. The less responsive or slowest element that took the longest time to load (8.3 sec) relates to the external source Click.lenovo.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 534.7 kB (24%)

Content Size

2.3 MB

After Optimization

1.7 MB

In fact, the total size of Lenovo.com.cn main page is 2.3 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. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 246.8 kB

  • Original 280.9 kB
  • After minification 242.4 kB
  • After compression 34.1 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. This page needs HTML code to be minified as it can gain 38.5 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 246.8 kB or 88% of the original size.

Image Optimization

-4%

Potential reduce by 72.2 kB

  • Original 1.7 MB
  • After minification 1.6 MB

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. Lenovo images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 197.5 kB

  • Original 271.6 kB
  • After minification 228.1 kB
  • After compression 74.1 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 197.5 kB or 73% of the original size.

CSS Optimization

-76%

Potential reduce by 18.2 kB

  • Original 23.9 kB
  • After minification 23.6 kB
  • After compression 5.7 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. Lenovo.com.cn needs all CSS files to be minified and compressed as it can save up to 18.2 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (19%)

Requests Now

74

After Optimization

60

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lenovo. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lenovo.com.cn accessibility score

54

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

lenovo.com.cn best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

Page has valid source maps

SEO Factors

lenovo.com.cn 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 uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lenovo.com.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Lenovo.com.cn 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

Open Graph description is not detected on the main page of Lenovo. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: