Tools & Wizards About Us
sledovanitv.cz screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

sledovanitv.cz

Televize přes internet, kdykoliv a kdekoliv | SledovaniTV.cz

Page Load Speed

5.6 sec in total

First Response

207 ms

Resources Loaded

4.5 sec

Page Rendered

954 ms

sledovanitv.cz screenshot

About Website

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

Vyzkoušejte SledovaniTV – moderní internetovou televizi se spoustou vychytávek za 1 Kč na první měsíc. Vybírejte z více než 160 kanálů včetně HBO a HBO Go!

Visit sledovanitv.cz

Key Findings

We analyzed Sledovanitv.cz page load time and found that the first response time was 207 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

sledovanitv.cz performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value14.4 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value2,440 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

sledovanitv.cz

207 ms

sledovanitv.cz

435 ms

world

1354 ms

ccstyles.min.css

189 ms

a682d2e235d708cb6d8b020706eb3a79.js

482 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 82% of them (95 requests) were addressed to the original Sledovanitv.cz, 12% (14 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Sledovanitv.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.1 MB (43%)

Content Size

4.8 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sledovanitv.cz main page is 4.8 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 80.4 kB

  • Original 94.4 kB
  • After minification 70.3 kB
  • After compression 14.0 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 24.1 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 80.4 kB or 85% of the original size.

Image Optimization

-28%

Potential reduce by 876.7 kB

  • Original 3.2 MB
  • After minification 2.3 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. Obviously, SledovaniTV needs image optimization as it can save up to 876.7 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 507.3 kB

  • Original 832.8 kB
  • After minification 832.8 kB
  • After compression 325.5 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 507.3 kB or 61% of the original size.

CSS Optimization

-85%

Potential reduce by 590.9 kB

  • Original 696.3 kB
  • After minification 668.3 kB
  • After compression 105.4 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. Sledovanitv.cz needs all CSS files to be minified and compressed as it can save up to 590.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (26%)

Requests Now

88

After Optimization

65

  • Images
  • JavaScript
  • CSS

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SledovaniTV. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sledovanitv.cz

sledovanitv.cz

207 ms

sledovanitv.cz

sledovanitv.cz

435 ms

world

world

1354 ms

ccstyles.min.css

ccstyles.min.css

189 ms

a682d2e235d708cb6d8b020706eb3a79.js

a682d2e235d708cb6d8b020706eb3a79.js

482 ms

css

css

35 ms

common.js

common.js

573 ms

collector.js

collector.js

192 ms

main.js

main.js

477 ms

style.css

style.css

481 ms

main.css

main.css

413 ms

colors

colors

340 ms

date-time-format-timezone-golden-zones-golden-locales-min.js

date-time-format-timezone-golden-zones-golden-locales-min.js

36 ms

glider.min.css

glider.min.css

308 ms

glider.min.js

glider.min.js

411 ms

ott.js

ott.js

439 ms

date-time-format-timezone-golden-zones-golden-locales-min.js

date-time-format-timezone-golden-zones-golden-locales-min.js

21 ms

gtm.js

gtm.js

80 ms

css2

css2

21 ms

retargeting.js

retargeting.js

701 ms

logo-cs.svg

logo-cs.svg

163 ms

cs.png

cs.png

148 ms

en.png

en.png

147 ms

es.png

es.png

148 ms

pl.png

pl.png

148 ms

sk.png

sk.png

147 ms

slide_poz.jpg

slide_poz.jpg

340 ms

internetova-televize-sledovanitv-dostupna-vsude.png

internetova-televize-sledovanitv-dostupna-vsude.png

338 ms

7805081_234.jpg

7805081_234.jpg

254 ms

primafamily-white.png

primafamily-white.png

245 ms

35075_234.jpg

35075_234.jpg

353 ms

7197525_234.jpg

7197525_234.jpg

353 ms

13848094_234.jpg

13848094_234.jpg

339 ms

epic_drama-white.png

epic_drama-white.png

353 ms

185173_234.jpg

185173_234.jpg

432 ms

smichov-white.png

smichov-white.png

434 ms

240365_234.jpg

240365_234.jpg

434 ms

HBO2-white.png

HBO2-white.png

455 ms

SledovaniTV_HP_Icon_TV.svg

SledovaniTV_HP_Icon_TV.svg

456 ms

SledovaniTV_HP_Icon_Box.svg

SledovaniTV_HP_Icon_Box.svg

454 ms

SledovaniTV_HP_Icon_Mobile.svg

SledovaniTV_HP_Icon_Mobile.svg

526 ms

SledovaniTV_HP_Icon_Web.svg

SledovaniTV_HP_Icon_Web.svg

528 ms

SledovaniTV_HP_Icon_Az168h.svg

SledovaniTV_HP_Icon_Az168h.svg

529 ms

SledovaniTV_HP_Icon_Az120h.svg

SledovaniTV_HP_Icon_Az120h.svg

556 ms

SledovaniTV_HP_Icon_Original.svg

SledovaniTV_HP_Icon_Original.svg

560 ms

SledovaniTV_HP_Icon_SD.svg

SledovaniTV_HP_Icon_SD.svg

558 ms

SledovaniTV_HP_Icon_HD.svg

SledovaniTV_HP_Icon_HD.svg

619 ms

SledovaniTV_HP_Icon_Without.svg

SledovaniTV_HP_Icon_Without.svg

622 ms

nova.png

nova.png

621 ms

ct1.png

ct1.png

657 ms

primafamily.png

primafamily.png

657 ms

novacinema.png

novacinema.png

658 ms

primacool.png

primacool.png

713 ms

Eurosport.png

Eurosport.png

713 ms

Minimax.png

Minimax.png

714 ms

nat_geo_wild.png

nat_geo_wild.png

758 ms

nKKU-Go6G5tXcr4-OSWg.ttf

nKKU-Go6G5tXcr4-OSWg.ttf

100 ms

nKKU-Go6G5tXcr5aOiWg.ttf

nKKU-Go6G5tXcr5aOiWg.ttf

110 ms

nKKX-Go6G5tXcr72GwU.ttf

nKKX-Go6G5tXcr72GwU.ttf

112 ms

nKKZ-Go6G5tXcoaS.ttf

nKKZ-Go6G5tXcoaS.ttf

112 ms

nKKU-Go6G5tXcr5mOCWg.ttf

nKKU-Go6G5tXcr5mOCWg.ttf

138 ms

nKKU-Go6G5tXcr5KPyWg.ttf

nKKU-Go6G5tXcr5KPyWg.ttf

136 ms

nKKU-Go6G5tXcr4uPiWg.ttf

nKKU-Go6G5tXcr4uPiWg.ttf

110 ms

nKKU-Go6G5tXcr4yPSWg.ttf

nKKU-Go6G5tXcr4yPSWg.ttf

138 ms

nKKU-Go6G5tXcr4WPCWg.ttf

nKKU-Go6G5tXcr4WPCWg.ttf

140 ms

KFOmCnqEu92Fr1Me5Q.ttf

KFOmCnqEu92Fr1Me5Q.ttf

143 ms

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

138 ms

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

140 ms

KFOlCnqEu92Fr1MmWUlvAw.ttf

KFOlCnqEu92Fr1MmWUlvAw.ttf

143 ms

KFOlCnqEu92Fr1MmWUlfBBc9AMP6lQ.ttf

KFOlCnqEu92Fr1MmWUlfBBc9AMP6lQ.ttf

141 ms

Kanit-Medium.ttf

Kanit-Medium.ttf

730 ms

Kanit-Bold.ttf

Kanit-Bold.ttf

719 ms

Roboto-Regular.ttf

Roboto-Regular.ttf

682 ms

Roboto-Medium.ttf

Roboto-Medium.ttf

672 ms

Roboto-Light.ttf

Roboto-Light.ttf

760 ms

Roboto-Thin.ttf

Roboto-Thin.ttf

819 ms

Roboto-Bold.ttf

Roboto-Bold.ttf

690 ms

icomoon.ttf

icomoon.ttf

672 ms

FiraSans-Regular.woff

FiraSans-Regular.woff

733 ms

FiraSans-Medium.woff

FiraSans-Medium.woff

742 ms

filmbox.png

filmbox.png

663 ms

extasy.png

extasy.png

661 ms

HBO.png

HBO.png

669 ms

nickjr.png

nickjr.png

716 ms

jojfamily.png

jojfamily.png

665 ms

nova_sport.png

nova_sport.png

673 ms

eroxxxHD.png

eroxxxHD.png

682 ms

play.svg

play.svg

717 ms

samsung.svg

samsung.svg

716 ms

lg.svg

lg.svg

722 ms

sony.svg

sony.svg

662 ms

philips.png

philips.png

671 ms

panasonic.svg

panasonic.svg

679 ms

hisense-logo.svg

hisense-logo.svg

716 ms

appletv.svg

appletv.svg

711 ms

androidtv.svg

androidtv.svg

716 ms

nova.png

nova.png

663 ms

primafamily.png

primafamily.png

671 ms

hbohd.png

hbohd.png

679 ms

eurosport1_ott.png

eurosport1_ott.png

718 ms

ct24.png

ct24.png

717 ms

cartoon_cz.png

cartoon_cz.png

723 ms

filmbox.png

filmbox.png

664 ms

nova_sport.png

nova_sport.png

673 ms

nat_geo_wild.png

nat_geo_wild.png

680 ms

amc.png

amc.png

717 ms

platform_bg.png

platform_bg.png

955 ms

platform_smarttv.png

platform_smarttv.png

818 ms

phone.png

phone.png

612 ms

tv.png

tv.png

684 ms

tablet2.png

tablet2.png

578 ms

iptv-vyhody-radial-bg-right.png

iptv-vyhody-radial-bg-right.png

647 ms

sledovanitv-hbo-section-bg.jpg

sledovanitv-hbo-section-bg.jpg

637 ms

iptv-sledovanitv-hbo-mobile.png

iptv-sledovanitv-hbo-mobile.png

613 ms

hbo-od-hbo-go-promo-tv.png

hbo-od-hbo-go-promo-tv.png

668 ms

televize-pres-internet-hbo-tablet.png

televize-pres-internet-hbo-tablet.png

671 ms

Accessibility Review

sledovanitv.cz accessibility score

80

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sledovanitv.cz best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

sledovanitv.cz SEO score

93

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Sledovanitv.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 Sledovanitv.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

sledovanitv.cz

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