Tools & Wizards About Us
bels.cz screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

bels.cz

Servis elektroniky, opravy elektrospotřebičů, elektro servis - BELS cz s.r.o.

Page Load Speed

24.3 sec in total

First Response

689 ms

Resources Loaded

23.2 sec

Page Rendered

439 ms

bels.cz screenshot

About Website

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

Pozáruční a záruční opravy a servis elektroniky. Předprodejní, záruční a pozáruční opravy a servis elektrospotřebičů v celé České a Slovenské republice. Váš elektro servis BELS cz s.r.o.

Visit bels.cz

Key Findings

We analyzed Bels.cz page load time and found that the first response time was 689 ms and then it took 23.7 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. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

bels.cz performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value16.7 s

0/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.221

56/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

bels.cz

689 ms

bels.cz

388 ms

www.bels.cz

1009 ms

css

39 ms

css2

55 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 83% of them (58 requests) were addressed to the original Bels.cz, 11% (8 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 99.6 kB (9%)

Content Size

1.1 MB

After Optimization

963.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bels.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. 65% of websites need less resources to load. Images take 650.7 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 55.7 kB

  • Original 65.1 kB
  • After minification 41.0 kB
  • After compression 9.4 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 24.1 kB, which is 37% 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 55.7 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 20.2 kB

  • Original 650.7 kB
  • After minification 630.5 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. BELS images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 7.0 kB

  • Original 206.8 kB
  • After minification 206.8 kB
  • After compression 199.9 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

-12%

Potential reduce by 16.8 kB

  • Original 140.2 kB
  • After minification 140.2 kB
  • After compression 123.4 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. Bels.cz needs all CSS files to be minified and compressed as it can save up to 16.8 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (73%)

Requests Now

56

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BELS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bels.cz

bels.cz

689 ms

bels.cz

bels.cz

388 ms

www.bels.cz

www.bels.cz

1009 ms

css

css

39 ms

css2

css2

55 ms

bootstrap.min.css

bootstrap.min.css

100 ms

font-awesome.min.css

font-awesome.min.css

197 ms

animate.min.css

animate.min.css

280 ms

simple-line-icons.min.css

simple-line-icons.min.css

348 ms

owl.carousel.min.css

owl.carousel.min.css

402 ms

owl.theme.default.min.css

owl.theme.default.min.css

403 ms

magnific-popup.min.css

magnific-popup.min.css

289 ms

theme.css

theme.css

292 ms

theme-elements.css

theme-elements.css

472 ms

theme-blog.css

theme-blog.css

386 ms

theme-shop.css

theme-shop.css

386 ms

settings.css

settings.css

479 ms

layers.css

layers.css

487 ms

navigation.css

navigation.css

482 ms

default.css

default.css

495 ms

custom-web.css

custom-web.css

501 ms

menu-light.css

menu-light.css

562 ms

style.css

style.css

573 ms

style-common.css

style-common.css

576 ms

modernizr.min.js

modernizr.min.js

582 ms

js

js

64 ms

jquery.min.js

jquery.min.js

726 ms

jquery.appear.min.js

jquery.appear.min.js

629 ms

jquery.easing.min.js

jquery.easing.min.js

723 ms

jquery-cookie.min.js

jquery-cookie.min.js

723 ms

bootstrap.min.js

bootstrap.min.js

724 ms

common.min.js

common.min.js

725 ms

jquery.validation.min.js

jquery.validation.min.js

725 ms

jquery.easy-pie-chart.min.js

jquery.easy-pie-chart.min.js

773 ms

jquery.gmap.min.js

jquery.gmap.min.js

774 ms

jquery.lazyload.min.js

jquery.lazyload.min.js

776 ms

jquery.isotope.min.js

jquery.isotope.min.js

826 ms

owl.carousel.min.js

owl.carousel.min.js

831 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

835 ms

vide.min.js

vide.min.js

856 ms

theme.js

theme.js

857 ms

jquery.themepunch.tools.min.js

jquery.themepunch.tools.min.js

875 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

938 ms

view.contact.js

view.contact.js

734 ms

custom.js

custom.js

652 ms

theme.init.js

theme.init.js

660 ms

logo.svg

logo.svg

335 ms

110-slide_1.jpg

110-slide_1.jpg

594 ms

slide-text.png

slide-text.png

392 ms

111-slide_2.jpg

111-slide_2.jpg

681 ms

opravy-servis-elektroniky-elektro-spotrebicu.jpg

opravy-servis-elektroniky-elektro-spotrebicu.jpg

822 ms

01-loga-servis-elektroniky-2.png

01-loga-servis-elektroniky-2.png

900 ms

tv_lcd_monitory-servis-elektroniky-benesov-praha-0001.jpg

tv_lcd_monitory-servis-elektroniky-benesov-praha-0001.jpg

496 ms

pc_apple_notebooky-servis-elektroniky-benesov-praha-0003.jpg

pc_apple_notebooky-servis-elektroniky-benesov-praha-0003.jpg

593 ms

pracky_lednicky_mycky-servis-elektroniky-benesov-praha-0002.jpg

pracky_lednicky_mycky-servis-elektroniky-benesov-praha-0002.jpg

594 ms

mobilni_telefony_tablety_gps-servis-opravy-mobilnich-telefonu.jpg

mobilni_telefony_tablety_gps-servis-opravy-mobilnich-telefonu.jpg

607 ms

drobna_elektronika-servis-opravy-kavovaru-kuchynskych-spotrebicu-drobne-elektroniky.jpg

drobna_elektronika-servis-opravy-kavovaru-kuchynskych-spotrebicu-drobne-elektroniky.jpg

613 ms

audio_video_technika-servis-opravy-fotoaparatu-kamer-audio-video-techniky.jpg

audio_video_technika-servis-opravy-fotoaparatu-kamer-audio-video-techniky.jpg

673 ms

e_scooter_elektro_kolobezky-servis-opravy-e-scooters-elektro-elektrickych-kolobezek.jpg

e_scooter_elektro_kolobezky-servis-opravy-e-scooters-elektro-elektrickych-kolobezek.jpg

705 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

49 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

74 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

112 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

114 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVc.ttf

113 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

650 ms

KFOlCnqEu92Fr1MmWUlvAw.ttf

KFOlCnqEu92Fr1MmWUlvAw.ttf

115 ms

KFOmCnqEu92Fr1Me5Q.ttf

KFOmCnqEu92Fr1Me5Q.ttf

130 ms

KFOlCnqEu92Fr1MmSU5vAw.ttf

KFOlCnqEu92Fr1MmSU5vAw.ttf

113 ms

dot.asp

dot.asp

20015 ms

revicons.woff

revicons.woff

173 ms

Accessibility Review

bels.cz accessibility score

88

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

Buttons do not have an accessible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

bels.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

SEO Factors

bels.cz SEO score

90

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

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

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bels.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 Bels.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

bels.cz

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