Tools & Wizards About Us
luca.cz screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

luca.cz

Kancelářský nábytek, vybavení a realizace interiérů kanceláří | Luca Brno, Praha, Ostrava

Page Load Speed

4.1 sec in total

First Response

486 ms

Resources Loaded

3.3 sec

Page Rendered

226 ms

luca.cz screenshot

About Website

Visit luca.cz now to see the best up-to-date Luca content and also check out these interesting facts you probably never knew about luca.cz

Kancelářský nábytek Brno, Praha, Ostrava, vybavení interiérů. Prodej kancelářského nábytku, kancelářských židlí, hotelového nábytku, interiérových příček, recepcí, komponent, návrhy a realizace interi...

Visit luca.cz

Key Findings

We analyzed Luca.cz page load time and found that the first response time was 486 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

luca.cz performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value400 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

luca.cz

486 ms

www.luca.cz

516 ms

animate.css

102 ms

icomoon.css

201 ms

bootstrap.css

383 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 95% of them (60 requests) were addressed to the original Luca.cz, 3% (2 requests) were made to Seomax.cz and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Luca.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.2 kB (4%)

Content Size

1.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Luca.cz main page is 1.1 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 878.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 26.4 kB

  • Original 32.3 kB
  • After minification 24.0 kB
  • After compression 6.0 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 8.3 kB, which is 26% 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 26.4 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 7.8 kB

  • Original 878.1 kB
  • After minification 870.3 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. Luca images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 3.8 kB

  • Original 92.5 kB
  • After minification 92.4 kB
  • After compression 88.7 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

-9%

Potential reduce by 5.2 kB

  • Original 56.7 kB
  • After minification 56.7 kB
  • After compression 51.5 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. Luca.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (52%)

Requests Now

56

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Luca. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

luca.cz

luca.cz

486 ms

www.luca.cz

www.luca.cz

516 ms

animate.css

animate.css

102 ms

icomoon.css

icomoon.css

201 ms

bootstrap.css

bootstrap.css

383 ms

superfish.css

superfish.css

291 ms

flexslider.css

flexslider.css

295 ms

magnific-popup.css

magnific-popup.css

301 ms

bootstrap-datepicker.min.css

bootstrap-datepicker.min.css

299 ms

cs-select.css

cs-select.css

302 ms

cs-skin-border.css

cs-skin-border.css

389 ms

style.css

style.css

392 ms

js

js

69 ms

owl.carousel.min.css

owl.carousel.min.css

421 ms

owl.theme.default.min.css

owl.theme.default.min.css

421 ms

blueimp-gallery.min.css

blueimp-gallery.min.css

422 ms

jquery.min.js

jquery.min.js

510 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

518 ms

bootstrap.min.js

bootstrap.min.js

519 ms

jquery.waypoints.min.js

jquery.waypoints.min.js

523 ms

sticky.js

sticky.js

525 ms

hoverIntent.js

hoverIntent.js

526 ms

superfish.js

superfish.js

577 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

579 ms

classie.js

classie.js

581 ms

main.js

main.js

587 ms

vzkaz.js

vzkaz.js

590 ms

eucookies.js

eucookies.js

622 ms

eucookies-bootstrap3.css

eucookies-bootstrap3.css

718 ms

owl.carousel.min.js

owl.carousel.min.js

592 ms

blueimp-gallery.min.js

blueimp-gallery.min.js

673 ms

jquery.blueimp-gallery.min.js

jquery.blueimp-gallery.min.js

675 ms

galerie.js

galerie.js

677 ms

logo.png

logo.png

288 ms

logo.png

logo.png

291 ms

8.jpg

8.jpg

393 ms

7.jpg

7.jpg

466 ms

6.jpg

6.jpg

564 ms

5.jpg

5.jpg

569 ms

4.jpg

4.jpg

582 ms

3.jpg

3.jpg

683 ms

2.jpg

2.jpg

588 ms

1.jpg

1.jpg

656 ms

ref-1.JPG

ref-1.JPG

753 ms

ref-2.jpg

ref-2.jpg

759 ms

ref-3.jpg

ref-3.jpg

774 ms

ref-4.jpg

ref-4.jpg

685 ms

loader.gif

loader.gif

717 ms

slide-5.webp

slide-5.webp

840 ms

slide-6.webp

slide-6.webp

944 ms

slide-7.webp

slide-7.webp

816 ms

slide-8.webp

slide-8.webp

914 ms

slide-9.webp

slide-9.webp

924 ms

vizualizace.webp

vizualizace.webp

767 ms

produkty.webp

produkty.webp

833 ms

bytovy-nabytek.webp

bytovy-nabytek.webp

866 ms

img_bg_2.jpg

img_bg_2.jpg

876 ms

kontakt-1.jpg

kontakt-1.jpg

924 ms

OpenSans-Regular.ttf

OpenSans-Regular.ttf

1019 ms

icomoon.ttf

icomoon.ttf

1024 ms

icomoon.ttf

icomoon.ttf

901 ms

icomoon.woff

icomoon.woff

100 ms

icomoon.svg

icomoon.svg

739 ms

Accessibility Review

luca.cz accessibility score

93

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

luca.cz best practices score

75

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

Page has valid source maps

SEO Factors

luca.cz SEO score

96

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Luca.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Luca.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

luca.cz

Open Graph description is not detected on the main page of Luca. 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: