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omko.cz screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

omko.cz

Omko Digital a.s.

Page Load Speed

4.2 sec in total

First Response

534 ms

Resources Loaded

3.4 sec

Page Rendered

260 ms

omko.cz screenshot

About Website

Welcome to omko.cz homepage info - get ready to check Omko best content for Czech Republic right away, or after learning these important things about omko.cz

Omko Digital je přední český dodavatel satelitní techniky, DVB-T techniky a příslušenství pro příjem digitální televize. Navštivte nás a přesvědčte se sami!

Visit omko.cz

Key Findings

We analyzed Omko.cz page load time and found that the first response time was 534 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

omko.cz performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value7.1 s

32/100

10%

TBT (Total Blocking Time)

Value1,000 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.172

70/100

15%

TTI (Time to Interactive)

Value7.8 s

45/100

10%

Network Requests Diagram

omko.cz

534 ms

www.omko.cz

1318 ms

gtm.js

75 ms

styles.css

303 ms

status_css.asp

324 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 79% of them (30 requests) were addressed to the original Omko.cz, 5% (2 requests) were made to Googletagmanager.com and 5% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Omko.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 89.2 kB (16%)

Content Size

566.7 kB

After Optimization

477.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Omko.cz main page is 566.7 kB. 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. Javascripts take 253.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 67.8 kB

  • Original 81.0 kB
  • After minification 70.2 kB
  • After compression 13.3 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 10.9 kB, which is 13% 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 67.8 kB or 84% of the original size.

Image Optimization

-10%

Potential reduce by 18.1 kB

  • Original 187.9 kB
  • After minification 169.9 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. Omko images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 724 B

  • Original 253.7 kB
  • After minification 253.7 kB
  • After compression 252.9 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

-6%

Potential reduce by 2.6 kB

  • Original 44.1 kB
  • After minification 44.1 kB
  • After compression 41.5 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. Omko.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (27%)

Requests Now

33

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Omko. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

omko.cz

omko.cz

534 ms

www.omko.cz

www.omko.cz

1318 ms

gtm.js

gtm.js

75 ms

styles.css

styles.css

303 ms

status_css.asp

status_css.asp

324 ms

user.css

user.css

428 ms

jquery.min.js

jquery.min.js

39 ms

jquery-ui.min.js

jquery-ui.min.js

45 ms

css2

css2

53 ms

scripts.js

scripts.js

536 ms

strings_js.asp

strings_js.asp

459 ms

js

js

59 ms

rc.js

rc.js

702 ms

mecool_wi4.jpg

mecool_wi4.jpg

119 ms

gril-teesa-bbq2000-plynovy-gril-2-horaky-pojizdny_ig9964.jpg

gril-teesa-bbq2000-plynovy-gril-2-horaky-pojizdny_ig9964.jpg

193 ms

hdmi-spojka-zdirka-zdirka-prima_ig4899.jpg

hdmi-spojka-zdirka-zdirka-prima_ig4899.jpg

156 ms

dvoupasmovy-wi-fi-mesh-fte-maxwifi-home-kit-ac-1200-sada-2-kusy_ig7011.jpg

dvoupasmovy-wi-fi-mesh-fte-maxwifi-home-kit-ac-1200-sada-2-kusy_ig7011.jpg

229 ms

chytre-hodinky-wendy-h01-zdravotni-funkce-aplikace-pro-ios-i-android-modra_ig2620.jpg

chytre-hodinky-wendy-h01-zdravotni-funkce-aplikace-pro-ios-i-android-modra_ig2620.jpg

261 ms

digitalni-radio-hama-dr36sbt-bila_ig4748.jpg

digitalni-radio-hama-dr36sbt-bila_ig4748.jpg

286 ms

detektor-napeti-emos-m0007a-gk7_ig7499.jpg

detektor-napeti-emos-m0007a-gk7_ig7499.jpg

325 ms

chytra-led-smart-zarovka-solight-wz431-svicka-5w-e14-400lm-rgb-wifi_ig1136.jpg

chytra-led-smart-zarovka-solight-wz431-svicka-5w-e14-400lm-rgb-wifi_ig1136.jpg

336 ms

prodluzovaci-kabel-pr-160-1-zasuvka-30m-3x1-5-mm-oranzovy_ig9850.jpg

prodluzovaci-kabel-pr-160-1-zasuvka-30m-3x1-5-mm-oranzovy_ig9850.jpg

366 ms

prevodnik-hdmi-signalu-dn0595-konverze-na-analogovy-scart-av_ig7928.jpg

prevodnik-hdmi-signalu-dn0595-konverze-na-analogovy-scart-av_ig7928.jpg

398 ms

cestovni-jednorazove-nahradni-mydlove-platky-100ks_ig4453.jpg

cestovni-jednorazove-nahradni-mydlove-platky-100ks_ig4453.jpg

424 ms

antena-televes-dat-boss-tforce-lte700-42-db-5g-lte-dvb-t2_ig2561.jpg

antena-televes-dat-boss-tforce-lte700-42-db-5g-lte-dvb-t2_ig2561.jpg

450 ms

antena-televes-dat-boss-lr-antena-tforce-lte700_ig11169.jpg

antena-televes-dat-boss-lr-antena-tforce-lte700_ig11169.jpg

691 ms

lte-filtr-exelento-ft-698-dc-5g-lte_ig7645.jpg

lte-filtr-exelento-ft-698-dc-5g-lte_ig7645.jpg

499 ms

digitalni-tester-kvality-vody-omkotech-uni-7v1-nejen-pro-bazeny-bluetooth-aplikace_ig9413.jpg

digitalni-tester-kvality-vody-omkotech-uni-7v1-nejen-pro-bazeny-bluetooth-aplikace_ig9413.jpg

528 ms

multimedialni-centrum-mecool-kd2-android-tv-11-4k-hdr-av1-certifikace-google-4-32-gb_ig955.jpg

multimedialni-centrum-mecool-kd2-android-tv-11-4k-hdr-av1-certifikace-google-4-32-gb_ig955.jpg

554 ms

wifi-termostaticka-hlavice-omkotech-wp8501-smart-tuya-aplikace_ig9547.jpg

wifi-termostaticka-hlavice-omkotech-wp8501-smart-tuya-aplikace_ig9547.jpg

580 ms

exelento-gsm-lte-zesilovac-opakovac-signalu-pro-mobily-gsm-3g-4g-lte-set-5-pasem-profi-400-mw_ig10067.jpg

exelento-gsm-lte-zesilovac-opakovac-signalu-pro-mobily-gsm-3g-4g-lte-set-5-pasem-profi-400-mw_ig10067.jpg

606 ms

antenni-zesilovac-johansson-profino-revolucion-6714-65-db-32x-filtr_ig9311.jpg

antenni-zesilovac-johansson-profino-revolucion-6714-65-db-32x-filtr_ig9311.jpg

632 ms

exelento-flexi-dvb-t2-hevc-hdmi-cec-youtube-hdmi-kabel-zdarma_ig4927.jpg

exelento-flexi-dvb-t2-hevc-hdmi-cec-youtube-hdmi-kabel-zdarma_ig4927.jpg

661 ms

satelitni-prijimac-kaon-mz52-ca-system-nagravision-skylink_ig5196.jpg

satelitni-prijimac-kaon-mz52-ca-system-nagravision-skylink_ig5196.jpg

688 ms

logo-omko-digital-2022.png

logo-omko-digital-2022.png

650 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4nY1M2xYkS.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4nY1M2xYkS.ttf

74 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4nY1M2xYkS.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4nY1M2xYkS.ttf

74 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

896 ms

Accessibility Review

omko.cz accessibility score

88

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

omko.cz best practices score

67

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

omko.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 Omko.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 Omko.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

omko.cz

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