Tools & Wizards About Us
supertelo.cz screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

supertelo.cz

Dom?na SUPERTELO.CZ odpo??v?

Page Load Speed

4 sec in total

First Response

293 ms

Resources Loaded

3.3 sec

Page Rendered

406 ms

supertelo.cz screenshot

About Website

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

Vy jste ten nejlepší projekt, na kterém můžete pracovat.

Visit supertelo.cz

Key Findings

We analyzed Supertelo.cz page load time and found that the first response time was 293 ms and then it took 3.7 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

supertelo.cz performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

www.supertelo.cz

293 ms

application-dbe9ae2a21c1e0a763faf118fdb941b8.css

477 ms

application-df5d45c37695e14f6aa972013d40e65c.js

1125 ms

script.js

455 ms

embeds.js

63 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 69% of them (29 requests) were addressed to the original Supertelo.cz, 5% (2 requests) were made to Spir.hit.gemius.pl and 5% (2 requests) were made to H.imedia.cz. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Supertelo.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 533.8 kB (41%)

Content Size

1.3 MB

After Optimization

757.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Supertelo.cz main page is 1.3 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. 25% of websites need less resources to load. Images take 693.2 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 17.4 kB

  • Original 25.7 kB
  • After minification 25.5 kB
  • After compression 8.3 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 17.4 kB or 68% of the original size.

Image Optimization

-16%

Potential reduce by 114.1 kB

  • Original 693.2 kB
  • After minification 579.1 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. Obviously, SUPERTELO needs image optimization as it can save up to 114.1 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 323.0 kB

  • Original 470.0 kB
  • After minification 469.9 kB
  • After compression 147.0 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 323.0 kB or 69% of the original size.

CSS Optimization

-77%

Potential reduce by 79.4 kB

  • Original 102.8 kB
  • After minification 101.7 kB
  • After compression 23.4 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. Supertelo.cz needs all CSS files to be minified and compressed as it can save up to 79.4 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (32%)

Requests Now

38

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SUPERTELO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.supertelo.cz

www.supertelo.cz

293 ms

application-dbe9ae2a21c1e0a763faf118fdb941b8.css

application-dbe9ae2a21c1e0a763faf118fdb941b8.css

477 ms

application-df5d45c37695e14f6aa972013d40e65c.js

application-df5d45c37695e14f6aa972013d40e65c.js

1125 ms

script.js

script.js

455 ms

embeds.js

embeds.js

63 ms

xgemius.js

xgemius.js

317 ms

cookie

cookie

328 ms

analytics.js

analytics.js

69 ms

motivace-neaktiv-c31212b9ed32dd18827124b478ab1059.png

motivace-neaktiv-c31212b9ed32dd18827124b478ab1059.png

86 ms

trenink-neaktiv-c39b0024a44122de6a467562e8b7d40b.png

trenink-neaktiv-c39b0024a44122de6a467562e8b7d40b.png

87 ms

kardio-neaktiv-300a2e3a61400eeba1f0f35b4530d4f6.png

kardio-neaktiv-300a2e3a61400eeba1f0f35b4530d4f6.png

88 ms

forma-neaktiv-064d86df79a723c13fe4af9881c0b3b8.png

forma-neaktiv-064d86df79a723c13fe4af9881c0b3b8.png

166 ms

promena-neaktiv-0e23376713527926769773c70029fa5f.png

promena-neaktiv-0e23376713527926769773c70029fa5f.png

166 ms

strava-neaktiv-c2bc3e638065ad147dd91b6e0b243932.png

strava-neaktiv-c2bc3e638065ad147dd91b6e0b243932.png

167 ms

clanek-neaktiv-8caf8dfea35410c13f01e074d8af4301.png

clanek-neaktiv-8caf8dfea35410c13f01e074d8af4301.png

168 ms

top_placeholder.png

top_placeholder.png

188 ms

recommended_placeholder.png

recommended_placeholder.png

184 ms

loader.js

loader.js

798 ms

users

users

356 ms

MuseoSans_700-webfont-4b54c67a8d49bd9ea9f666d30ea90ddc.woff

MuseoSans_700-webfont-4b54c67a8d49bd9ea9f666d30ea90ddc.woff

267 ms

MuseoSans_300-webfont-921aee053a72fd51c2c5e192a2153cdc.woff

MuseoSans_300-webfont-921aee053a72fd51c2c5e192a2153cdc.woff

269 ms

MuseoSans_100-webfont-7955ce067234d9a892461773fce91324.woff

MuseoSans_100-webfont-7955ce067234d9a892461773fce91324.woff

269 ms

collect

collect

11 ms

collect

collect

56 ms

fpdata.js

fpdata.js

98 ms

lsget.html

lsget.html

254 ms

110 ms

users

users

528 ms

logo-supertelo-17a21c2a56825999fbce7e8637b7b420.png

logo-supertelo-17a21c2a56825999fbce7e8637b7b420.png

88 ms

claim-e074b003b887e5e4e1ce1103136b1072.png

claim-e074b003b887e5e4e1ce1103136b1072.png

166 ms

fcbk_login-ae55498db1fc20a50c0551ca454d515d.jpg

fcbk_login-ae55498db1fc20a50c0551ca454d515d.jpg

166 ms

lp-info1-c02f3671f3fa5c5a20e929b20d3d824e.png

lp-info1-c02f3671f3fa5c5a20e929b20d3d824e.png

387 ms

lp-info2-4eb84fd5d37d1d0adc8fb3270bc2a317.png

lp-info2-4eb84fd5d37d1d0adc8fb3270bc2a317.png

575 ms

lp-info3-f2a1e0d2b328f8a78b959d67741c084e.jpg

lp-info3-f2a1e0d2b328f8a78b959d67741c084e.jpg

570 ms

prihlaseni_kluk-a9cebaed832eb9c78f948deda33c09c4.png

prihlaseni_kluk-a9cebaed832eb9c78f948deda33c09c4.png

175 ms

prihlaseni_holka-50f1f0a6677d182a1e70a0d5c9105c01.png

prihlaseni_holka-50f1f0a6677d182a1e70a0d5c9105c01.png

250 ms

facebook_footer-2cac198451890cc74571002ee331e102.png

facebook_footer-2cac198451890cc74571002ee331e102.png

251 ms

twitter_footer-da90d7306f8a4da51cfe2a052ea7306e.png

twitter_footer-da90d7306f8a4da51cfe2a052ea7306e.png

262 ms

insta-bdb06070c4434d6af71cd19e1e068490.png

insta-bdb06070c4434d6af71cd19e1e068490.png

334 ms

uvodni-kuba-1daba38383d192bff0bca187176931b7.jpg

uvodni-kuba-1daba38383d192bff0bca187176931b7.jpg

844 ms

smartchat-2.1.1.min.css

smartchat-2.1.1.min.css

205 ms

smartchat-2.1.1.min.js

smartchat-2.1.1.min.js

325 ms

Accessibility Review

supertelo.cz accessibility score

86

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

supertelo.cz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

supertelo.cz SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Supertelo.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Czech. Our system also found out that Supertelo.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

supertelo.cz

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