Tools & Wizards About Us
dell.cz screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

dell.cz

Oficiální web Dell | Dell Česká republika

Page Load Speed

1 sec in total

First Response

91 ms

Resources Loaded

614 ms

Page Rendered

304 ms

dell.cz screenshot

About Website

Click here to check amazing Dell content for Czech Republic. Otherwise, check out these important facts you probably never knew about dell.cz

Společnost Dell poskytuje technologická řešení, služby a podporu. Koupit notebooky, počítače s dotykovou obrazovkou, stolní počítače, servery, úložiště, monitory, herní vybavení a příslušenství

Visit dell.cz

Key Findings

We analyzed Dell.cz page load time and found that the first response time was 91 ms and then it took 918 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

dell.cz performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value3,130 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value21.4 s

1/100

10%

Network Requests Diagram

lp

91 ms

global-fonts.min.142954444b1163250b65327cd7f30fef.css

21 ms

global-reboot.min.fe4386658008dd3f7be5f79da28c9711.css

39 ms

global-smart-modal.min.745779721ec2afc779478842f4b616e0.css

43 ms

global-smart-popover.min.d4f148d44d7f40b762233435fb603334.css

36 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Dell.cz, 15% (4 requests) were made to I.dell.com and 8% (2 requests) were made to Nexus.dell.com. The less responsive or slowest element that took the longest time to load (206 ms) relates to the external source Nexus.dell.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 378.8 kB (26%)

Content Size

1.5 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dell.cz main page is 1.5 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. 50% of websites need less resources to load. Images take 761.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 186.1 kB

  • Original 221.3 kB
  • After minification 214.1 kB
  • After compression 35.1 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. 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 186.1 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 273 B

  • Original 761.0 kB
  • After minification 760.7 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. Dell images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 187.3 kB

  • Original 457.8 kB
  • After minification 455.0 kB
  • After compression 270.5 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 187.3 kB or 41% of the original size.

CSS Optimization

-50%

Potential reduce by 5.1 kB

  • Original 10.1 kB
  • After minification 10.1 kB
  • After compression 5.0 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. Dell.cz needs all CSS files to be minified and compressed as it can save up to 5.1 kB or 50% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (76%)

Requests Now

25

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dell. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lp

lp

91 ms

global-fonts.min.142954444b1163250b65327cd7f30fef.css

global-fonts.min.142954444b1163250b65327cd7f30fef.css

21 ms

global-reboot.min.fe4386658008dd3f7be5f79da28c9711.css

global-reboot.min.fe4386658008dd3f7be5f79da28c9711.css

39 ms

global-smart-modal.min.745779721ec2afc779478842f4b616e0.css

global-smart-modal.min.745779721ec2afc779478842f4b616e0.css

43 ms

global-smart-popover.min.d4f148d44d7f40b762233435fb603334.css

global-smart-popover.min.d4f148d44d7f40b762233435fb603334.css

36 ms

global-smart-tooltip.min.7f78cf0cc2cdf1ec7781e2d94a5e8e0c.css

global-smart-tooltip.min.7f78cf0cc2cdf1ec7781e2d94a5e8e0c.css

37 ms

bundle_toggle.min.js

bundle_toggle.min.js

41 ms

1aW4

1aW4

39 ms

sec-cpt-4-4.js

sec-cpt-4-4.js

124 ms

id

id

89 ms

homepage-hero-banner-mobile-non-commerce-2800x839.jpg

homepage-hero-banner-mobile-non-commerce-2800x839.jpg

123 ms

global-bundle.min.9fcb9151666f1a947795ebfd76a171ac.js

global-bundle.min.9fcb9151666f1a947795ebfd76a171ac.js

118 ms

mastheadscripts-stp-non-commerce.min.js

mastheadscripts-stp-non-commerce.min.js

139 ms

authoring-bundle.js

authoring-bundle.js

88 ms

Bootstrap.js

Bootstrap.js

116 ms

marketing-bundle.js

marketing-bundle.js

112 ms

boomerang-csb-full.min.js

boomerang-csb-full.min.js

71 ms

coupons-cookie.min.1bd135203e5c43891e45abd42fce81f6.js

coupons-cookie.min.1bd135203e5c43891e45abd42fce81f6.js

69 ms

lwpcookie-bundle.js

lwpcookie-bundle.js

87 ms

campaign-bundle.js

campaign-bundle.js

134 ms

tilelayout-bundle.js

tilelayout-bundle.js

109 ms

bannercarousel-bundle.js

bannercarousel-bundle.js

107 ms

Bootstrap.js

Bootstrap.js

206 ms

shutterstock-712466446-opti300-p2422he-km5221w.psd

shutterstock-712466446-opti300-p2422he-km5221w.psd

113 ms

gettyimages-645071514.psd

gettyimages-645071514.psd

163 ms

image-d.jpg

image-d.jpg

112 ms

Accessibility Review

dell.cz accessibility score

100

Accessibility Issues

Best Practices

dell.cz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

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

dell.cz SEO score

100

Search Engine Optimization Advices

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

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dell.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Dell.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

dell.cz

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