Tools & Wizards About Us
svitidla-deltalight.cz screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

svitidla-deltalight.cz

Svítidla, LED a osvětlení | Svítidla a osvětlení Delta Light

Page Load Speed

6.8 sec in total

First Response

349 ms

Resources Loaded

6.1 sec

Page Rendered

356 ms

svitidla-deltalight.cz screenshot

About Website

Click here to check amazing Svitidla Delta Light content for Czech Republic. Otherwise, check out these important facts you probably never knew about svitidla-deltalight.cz

Svítidla a osvětlení pro náročné “Ukážeme Vám věci, z té světlé stránky” pro Váš exteriér i interiér, s nabídkou přes 2500 produktů.

Visit svitidla-deltalight.cz

Key Findings

We analyzed Svitidla-deltalight.cz page load time and found that the first response time was 349 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

svitidla-deltalight.cz performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

svitidla-deltalight.cz

349 ms

svitidla-deltalight.cz

58 ms

www.svitidla-deltalight.cz

1519 ms

deltalight-8cc5bd65647c392e49a50874ddbd.a16490035.css

94 ms

jquery.slim.min.js

69 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 9% of them (3 requests) were addressed to the original Svitidla-deltalight.cz, 17% (6 requests) were made to Assets.website-files.com and 14% (5 requests) were made to Assets-global.website-files.com. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source Scontent-fra3-1.cdninstagram.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 166.8 kB (7%)

Content Size

2.4 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Svitidla-deltalight.cz main page is 2.4 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. 35% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 14.8 kB

  • Original 22.4 kB
  • After minification 21.9 kB
  • After compression 7.5 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 14.8 kB or 66% of the original size.

Image Optimization

-7%

Potential reduce by 146.7 kB

  • Original 2.1 MB
  • After minification 1.9 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. Svitidla Delta Light images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.9 kB

  • Original 291.5 kB
  • After minification 291.5 kB
  • After compression 287.6 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

-7%

Potential reduce by 1.3 kB

  • Original 17.6 kB
  • After minification 17.6 kB
  • After compression 16.2 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. Svitidla-deltalight.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (46%)

Requests Now

26

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Svitidla Delta Light. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

svitidla-deltalight.cz

svitidla-deltalight.cz

349 ms

svitidla-deltalight.cz

svitidla-deltalight.cz

58 ms

www.svitidla-deltalight.cz

www.svitidla-deltalight.cz

1519 ms

deltalight-8cc5bd65647c392e49a50874ddbd.a16490035.css

deltalight-8cc5bd65647c392e49a50874ddbd.a16490035.css

94 ms

jquery.slim.min.js

jquery.slim.min.js

69 ms

js.cookie.min.js

js.cookie.min.js

81 ms

consent_head_02.js

consent_head_02.js

488 ms

js

js

91 ms

rc.js

rc.js

615 ms

4g_vkontextu_cookie.min.js

4g_vkontextu_cookie.min.js

834 ms

lightwidget.js

lightwidget.js

75 ms

jquery-3.5.1.min.dc5e7f18c8.js

jquery-3.5.1.min.dc5e7f18c8.js

50 ms

deltalight-8cc5bd65647c392e49a50874ddbd.49e6ad5dc.js

deltalight-8cc5bd65647c392e49a50874ddbd.49e6ad5dc.js

160 ms

consent_footer_02.js

consent_footer_02.js

611 ms

analytics.js

analytics.js

20 ms

js

js

50 ms

js

js

125 ms

collect

collect

13 ms

collect

collect

78 ms

61b1be91459a59efba4b9ad8_allow-icon3.svg

61b1be91459a59efba4b9ad8_allow-icon3.svg

192 ms

60ee9cbd0c7872f1a27cd841_title-landing-bg.jpg

60ee9cbd0c7872f1a27cd841_title-landing-bg.jpg

267 ms

60ee9cbd0c7872699f7cd842_landing-secondSection-bg.jpg

60ee9cbd0c7872699f7cd842_landing-secondSection-bg.jpg

259 ms

ga-audiences

ga-audiences

261 ms

ba17704c6cda5266bd0797070b805310.html

ba17704c6cda5266bd0797070b805310.html

323 ms

60ee9cbd0c787248687cd847_NHaasGroteskDSPro-55Rg.otf

60ee9cbd0c787248687cd847_NHaasGroteskDSPro-55Rg.otf

167 ms

60ee9cbd0c78725acf7cd848_NHaasGroteskDSPro-65Md.otf

60ee9cbd0c78725acf7cd848_NHaasGroteskDSPro-65Md.otf

244 ms

60ee9cbd0c78723d1a7cd846_NHaasGroteskDSPro-45Lt.otf

60ee9cbd0c78723d1a7cd846_NHaasGroteskDSPro-45Lt.otf

314 ms

60ee9cbd0c78722dd37cd845_NHaasGroteskDSPro-25Th.otf

60ee9cbd0c78722dd37cd845_NHaasGroteskDSPro-25Th.otf

300 ms

60ee9cbd0c787250157cd844_NHaasGroteskDSPro-15UltTh.otf

60ee9cbd0c787250157cd844_NHaasGroteskDSPro-15UltTh.otf

302 ms

60ee9cbd0c7872dae07cd849_NHaasGroteskDSPro-75Bd.otf

60ee9cbd0c7872dae07cd849_NHaasGroteskDSPro-75Bd.otf

273 ms

446268149_2091697897892593_5135519377545875783_n.jpg

446268149_2091697897892593_5135519377545875783_n.jpg

1366 ms

440036273_1253529536033313_1208373301080516707_n.jpg

440036273_1253529536033313_1208373301080516707_n.jpg

650 ms

445694955_808785307489429_4352894647672424654_n.jpg

445694955_808785307489429_4352894647672424654_n.jpg

3203 ms

444515559_981176640355158_7438905843708377557_n.jpg

444515559_981176640355158_7438905843708377557_n.jpg

2054 ms

435963495_18429924112032285_4870313334864112276_n.jpg

435963495_18429924112032285_4870313334864112276_n.jpg

1914 ms

Accessibility Review

svitidla-deltalight.cz accessibility score

90

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

Links do not have a discernible name

Best Practices

svitidla-deltalight.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

svitidla-deltalight.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 Svitidla-deltalight.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 Svitidla-deltalight.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

svitidla-deltalight.cz

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