Tools & Wizards About Us
sledovani.tv screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% 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

sledovani.tv

Televize přes internet, kdykoliv a kdekoliv | SledovaniTV.cz

Page Load Speed

5.8 sec in total

First Response

193 ms

Resources Loaded

4.6 sec

Page Rendered

1 sec

sledovani.tv screenshot

About Website

Click here to check amazing Sledovani content. Otherwise, check out these important facts you probably never knew about sledovani.tv

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 sledovani.tv

Key Findings

We analyzed Sledovani.tv page load time and found that the first response time was 193 ms and then it took 5.7 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

sledovani.tv performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value12.6 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value1,140 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

sledovani.tv

193 ms

sledovanitv.cz

223 ms

sledovanitv.cz

410 ms

world

1288 ms

ccstyles.min.css

188 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Sledovani.tv, 81% (95 requests) were made to Sledovanitv.cz and 12% (14 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Sledovanitv.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 986.1 kB (26%)

Content Size

3.8 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sledovani.tv main page is 3.8 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 78.8 kB

  • Original 92.6 kB
  • After minification 68.5 kB
  • After compression 13.7 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 78.8 kB or 85% of the original size.

Image Optimization

-28%

Potential reduce by 877.6 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, Sledovani needs image optimization as it can save up to 877.6 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

-0%

Potential reduce by 1.1 kB

  • Original 354.7 kB
  • After minification 354.7 kB
  • After compression 353.6 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

-21%

Potential reduce by 28.5 kB

  • Original 133.9 kB
  • After minification 105.6 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. Sledovani.tv needs all CSS files to be minified and compressed as it can save up to 28.5 kB or 21% 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 Sledovani. 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

sledovani.tv

sledovani.tv

193 ms

sledovanitv.cz

sledovanitv.cz

223 ms

sledovanitv.cz

sledovanitv.cz

410 ms

world

world

1288 ms

ccstyles.min.css

ccstyles.min.css

188 ms

a682d2e235d708cb6d8b020706eb3a79.js

a682d2e235d708cb6d8b020706eb3a79.js

455 ms

css

css

36 ms

common.js

common.js

475 ms

collector.js

collector.js

322 ms

main.js

main.js

492 ms

style.css

style.css

576 ms

main.css

main.css

416 ms

colors

colors

334 ms

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

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

170 ms

glider.min.css

glider.min.css

420 ms

glider.min.js

glider.min.js

436 ms

ott.js

ott.js

517 ms

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

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

27 ms

gtm.js

gtm.js

70 ms

css2

css2

18 ms

logo-cs.svg

logo-cs.svg

218 ms

cs.png

cs.png

215 ms

en.png

en.png

216 ms

es.png

es.png

217 ms

pl.png

pl.png

216 ms

sk.png

sk.png

217 ms

slide_poz.jpg

slide_poz.jpg

408 ms

internetova-televize-sledovanitv-dostupna-vsude.png

internetova-televize-sledovanitv-dostupna-vsude.png

622 ms

9855053_234.jpg

9855053_234.jpg

523 ms

HBO-white.png

HBO-white.png

359 ms

16197771_234.jpg

16197771_234.jpg

361 ms

35075_234.jpg

35075_234.jpg

358 ms

primafamily-white.png

primafamily-white.png

405 ms

57799_234.jpg

57799_234.jpg

407 ms

ct1-white.png

ct1-white.png

422 ms

7197525_234.jpg

7197525_234.jpg

500 ms

66964_234.jpg

66964_234.jpg

502 ms

FilmboxExtra-white.png

FilmboxExtra-white.png

500 ms

SledovaniTV_HP_Icon_TV.svg

SledovaniTV_HP_Icon_TV.svg

522 ms

SledovaniTV_HP_Icon_Box.svg

SledovaniTV_HP_Icon_Box.svg

592 ms

SledovaniTV_HP_Icon_Mobile.svg

SledovaniTV_HP_Icon_Mobile.svg

594 ms

SledovaniTV_HP_Icon_Web.svg

SledovaniTV_HP_Icon_Web.svg

595 ms

SledovaniTV_HP_Icon_Az168h.svg

SledovaniTV_HP_Icon_Az168h.svg

623 ms

SledovaniTV_HP_Icon_Az120h.svg

SledovaniTV_HP_Icon_Az120h.svg

621 ms

SledovaniTV_HP_Icon_Original.svg

SledovaniTV_HP_Icon_Original.svg

684 ms

SledovaniTV_HP_Icon_SD.svg

SledovaniTV_HP_Icon_SD.svg

687 ms

SledovaniTV_HP_Icon_HD.svg

SledovaniTV_HP_Icon_HD.svg

686 ms

SledovaniTV_HP_Icon_Without.svg

SledovaniTV_HP_Icon_Without.svg

721 ms

nova.png

nova.png

723 ms

ct1.png

ct1.png

723 ms

primafamily.png

primafamily.png

777 ms

novacinema.png

novacinema.png

779 ms

primacool.png

primacool.png

780 ms

Eurosport.png

Eurosport.png

822 ms

Minimax.png

Minimax.png

824 ms

nat_geo_wild.png

nat_geo_wild.png

757 ms

nKKU-Go6G5tXcr4-OSWg.ttf

nKKU-Go6G5tXcr4-OSWg.ttf

183 ms

nKKU-Go6G5tXcr5aOiWg.ttf

nKKU-Go6G5tXcr5aOiWg.ttf

181 ms

nKKX-Go6G5tXcr72GwU.ttf

nKKX-Go6G5tXcr72GwU.ttf

182 ms

nKKZ-Go6G5tXcoaS.ttf

nKKZ-Go6G5tXcoaS.ttf

148 ms

nKKU-Go6G5tXcr5mOCWg.ttf

nKKU-Go6G5tXcr5mOCWg.ttf

182 ms

nKKU-Go6G5tXcr5KPyWg.ttf

nKKU-Go6G5tXcr5KPyWg.ttf

159 ms

nKKU-Go6G5tXcr4uPiWg.ttf

nKKU-Go6G5tXcr4uPiWg.ttf

229 ms

nKKU-Go6G5tXcr4yPSWg.ttf

nKKU-Go6G5tXcr4yPSWg.ttf

231 ms

nKKU-Go6G5tXcr4WPCWg.ttf

nKKU-Go6G5tXcr4WPCWg.ttf

232 ms

KFOmCnqEu92Fr1Me5Q.ttf

KFOmCnqEu92Fr1Me5Q.ttf

227 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

183 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

182 ms

KFOlCnqEu92Fr1MmWUlvAw.ttf

KFOlCnqEu92Fr1MmWUlvAw.ttf

229 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

230 ms

Kanit-Medium.ttf

Kanit-Medium.ttf

756 ms

Kanit-Bold.ttf

Kanit-Bold.ttf

670 ms

retargeting.js

retargeting.js

796 ms

Roboto-Regular.ttf

Roboto-Regular.ttf

682 ms

Roboto-Medium.ttf

Roboto-Medium.ttf

720 ms

Roboto-Light.ttf

Roboto-Light.ttf

814 ms

Roboto-Thin.ttf

Roboto-Thin.ttf

824 ms

Roboto-Bold.ttf

Roboto-Bold.ttf

630 ms

icomoon.ttf

icomoon.ttf

628 ms

FiraSans-Regular.woff

FiraSans-Regular.woff

705 ms

FiraSans-Medium.woff

FiraSans-Medium.woff

845 ms

filmbox.png

filmbox.png

672 ms

extasy.png

extasy.png

683 ms

HBO.png

HBO.png

710 ms

nickjr.png

nickjr.png

635 ms

jojfamily.png

jojfamily.png

646 ms

nova_sport.png

nova_sport.png

666 ms

eroxxxHD.png

eroxxxHD.png

648 ms

play.svg

play.svg

709 ms

samsung.svg

samsung.svg

642 ms

lg.svg

lg.svg

653 ms

sony.svg

sony.svg

670 ms

philips.png

philips.png

648 ms

panasonic.svg

panasonic.svg

710 ms

hisense-logo.svg

hisense-logo.svg

713 ms

appletv.svg

appletv.svg

663 ms

androidtv.svg

androidtv.svg

653 ms

nova.png

nova.png

664 ms

primafamily.png

primafamily.png

635 ms

hbohd.png

hbohd.png

710 ms

eurosport1_ott.png

eurosport1_ott.png

713 ms

ct24.png

ct24.png

657 ms

cartoon_cz.png

cartoon_cz.png

669 ms

filmbox.png

filmbox.png

665 ms

nova_sport.png

nova_sport.png

628 ms

nat_geo_wild.png

nat_geo_wild.png

709 ms

amc.png

amc.png

703 ms

platform_bg.png

platform_bg.png

848 ms

platform_smarttv.png

platform_smarttv.png

812 ms

phone.png

phone.png

611 ms

tv.png

tv.png

652 ms

tablet2.png

tablet2.png

639 ms

iptv-vyhody-radial-bg-right.png

iptv-vyhody-radial-bg-right.png

628 ms

sledovanitv-hbo-section-bg.jpg

sledovanitv-hbo-section-bg.jpg

616 ms

iptv-sledovanitv-hbo-mobile.png

iptv-sledovanitv-hbo-mobile.png

657 ms

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

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

763 ms

televize-pres-internet-hbo-tablet.png

televize-pres-internet-hbo-tablet.png

644 ms

Accessibility Review

sledovani.tv 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

sledovani.tv 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

sledovani.tv 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 Sledovani.tv 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 Sledovani.tv 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

sledovani.tv

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