Tools & Wizards About Us
lenovo.cz screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

lenovo.cz

Oficiální web Lenovo Česká republika | Notebooky, tablety, počítače, chytrá zařízení, smartphony a datová centra | Lenovo Czech

Page Load Speed

6.3 sec in total

First Response

1.9 sec

Resources Loaded

4.3 sec

Page Rendered

146 ms

lenovo.cz screenshot

About Website

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

Navštivte oficiální stránky společnosti Lenovo a najděte ty nejlepší notebooky, tablety, ultrabooky, stolní počítače, chytrá zařízení, telefony a datová centra pro vaši domácnost a podnikání. K dispoz...

Visit lenovo.cz

Key Findings

We analyzed Lenovo.cz page load time and found that the first response time was 1.9 sec and then it took 4.4 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

lenovo.cz performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value1,030 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

lenovo.cz

1886 ms

lenovo.cz

381 ms

www.lenovo.cz

989 ms

137 ms

se-fontface.0379f94572b6e685.css

166 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 8% of them (3 requests) were addressed to the original Lenovo.cz, 19% (7 requests) were made to P2-ofp.static.pub and 19% (7 requests) were made to J1-ofp.static.pub. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Lenovo.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 346.0 kB (25%)

Content Size

1.4 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lenovo.cz main page is 1.4 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. 30% of websites need less resources to load. Images take 586.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 252.4 kB

  • Original 306.8 kB
  • After minification 251.2 kB
  • After compression 54.4 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 55.6 kB, which is 18% 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 252.4 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 1.1 kB

  • Original 586.8 kB
  • After minification 585.7 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. Lenovo images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 17.9 kB

  • Original 418.2 kB
  • After minification 418.2 kB
  • After compression 400.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-81%

Potential reduce by 74.6 kB

  • Original 92.6 kB
  • After minification 92.3 kB
  • After compression 18.0 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.cz needs all CSS files to be minified and compressed as it can save up to 74.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (66%)

Requests Now

32

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 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 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lenovo.cz

lenovo.cz

1886 ms

lenovo.cz

lenovo.cz

381 ms

www.lenovo.cz

www.lenovo.cz

989 ms

137 ms

se-fontface.0379f94572b6e685.css

se-fontface.0379f94572b6e685.css

166 ms

global.min.9dea2d87fadcdec5.js

global.min.9dea2d87fadcdec5.js

102 ms

extension.min.fc5341a2e8616a4d.js

extension.min.fc5341a2e8616a4d.js

105 ms

vendors-ignorejq.min.31252b090b8b0b0c.js

vendors-ignorejq.min.31252b090b8b0b0c.js

101 ms

dedfd878f5e4bc20f211ceea627f02fa.css

dedfd878f5e4bc20f211ceea627f02fa.css

186 ms

launch-51c0785ae79f.min.js

launch-51c0785ae79f.min.js

84 ms

style.f79ddfcaf864ded7.css

style.f79ddfcaf864ded7.css

172 ms

dc.min.362e42f621262334.js

dc.min.362e42f621262334.js

101 ms

204a828f

204a828f

75 ms

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a4274292a3a9c036efb8337564893c28.js

108 ms

467341f116e62fa7482f3d996a934811.css

467341f116e62fa7482f3d996a934811.css

172 ms

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68b90b554d5461cbbf6a1b7e7dbdb10d.js

104 ms

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2326becedc162ce33ed82a8741070f80.css

171 ms

ea738a46c4f9dac9c43ae3ea21c7a7ac.js

ea738a46c4f9dac9c43ae3ea21c7a7ac.js

104 ms

TEk

TEk

77 ms

color.css

color.css

13 ms

EQEGX-LNQ3B-KQXLH-XW299-8VLVD

EQEGX-LNQ3B-KQXLH-XW299-8VLVD

227 ms

8vh15ps5n55zwca8b9u5b8xbt7bfxs139731.svg

8vh15ps5n55zwca8b9u5b8xbt7bfxs139731.svg

276 ms

wfostq56l03muqbx6fvbl11jm069gr879695.svg

wfostq56l03muqbx6fvbl11jm069gr879695.svg

265 ms

9acl3tplp3k9x0wntpftwilmf04bdr060873.gif

9acl3tplp3k9x0wntpftwilmf04bdr060873.gif

275 ms

h82es5y402b4rh1089sf86ay7n9sdl721044.png

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294 ms

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2x4w1onlwj4t9ereymoasxwiwcags5468797.svg

95 ms

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95 ms

odtbtgltop8fb3ytjpdy4orxz9a3l7232523.jpg

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202 ms

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2uqldtrfniikctq754b5fnj1pv88ko587160.jpg

475 ms

ckn8fp5a9adh87iphs4zv4j3pq2pgw968693.jpg

ckn8fp5a9adh87iphs4zv4j3pq2pgw968693.jpg

150 ms

1xpzdb7fyrm6mosqz5mpdgyi9y9apg009360.jpg

1xpzdb7fyrm6mosqz5mpdgyi9y9apg009360.jpg

320 ms

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fxq8k26aghm6xril1qzikh2in7osfc415110.png

108 ms

tech-world-23-homepage-banner-desktop-2.9e7e1511baf1c26c.jpg

tech-world-23-homepage-banner-desktop-2.9e7e1511baf1c26c.jpg

161 ms

tech-world-23-homepage-banner-mobile-2.869e14bc716eb63c.jpg

tech-world-23-homepage-banner-mobile-2.869e14bc716eb63c.jpg

109 ms

f7zzfj6qkj2kncdy1kl1zjstuunoxq225003.svg

f7zzfj6qkj2kncdy1kl1zjstuunoxq225003.svg

108 ms

config.json

config.json

175 ms

Accessibility Review

lenovo.cz accessibility score

91

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

Image elements do not have [alt] attributes

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

lenovo.cz 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

SEO Factors

lenovo.cz SEO score

86

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

    CS

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

lenovo.cz

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: