Tools & Wizards About Us
combosport.cz screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

combosport.cz

Outdoor a lyžařská škola - combosport.cz, vodácká půjčovna

Page Load Speed

3.9 sec in total

First Response

393 ms

Resources Loaded

3.3 sec

Page Rendered

236 ms

combosport.cz screenshot

About Website

Welcome to combosport.cz homepage info - get ready to check Combosport best content right away, or after learning these important things about combosport.cz

Poskytujeme široké palety pohybových aktivit jako je outdoor, lyžařská škola, vodácká půjčovna po celý rok.

Visit combosport.cz

Key Findings

We analyzed Combosport.cz page load time and found that the first response time was 393 ms and then it took 3.5 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

combosport.cz performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value8.0 s

21/100

10%

TBT (Total Blocking Time)

Value530 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

combosport.cz

393 ms

www.combosport.cz

482 ms

screen.css

120 ms

lib.js

219 ms

jquery.min.js

343 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 58% of them (39 requests) were addressed to the original Combosport.cz, 15% (10 requests) were made to Static.xx.fbcdn.net and 9% (6 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (738 ms) belongs to the original domain Combosport.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 495.6 kB (44%)

Content Size

1.1 MB

After Optimization

622.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Combosport.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 453.9 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 9.5 kB

  • Original 13.4 kB
  • After minification 12.5 kB
  • After compression 3.9 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 9.5 kB or 71% of the original size.

Image Optimization

-2%

Potential reduce by 7.5 kB

  • Original 453.9 kB
  • After minification 446.4 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. Combosport images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 260.1 kB

  • Original 385.8 kB
  • After minification 362.5 kB
  • After compression 125.8 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 260.1 kB or 67% of the original size.

CSS Optimization

-82%

Potential reduce by 218.5 kB

  • Original 265.1 kB
  • After minification 261.4 kB
  • After compression 46.6 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. Combosport.cz needs all CSS files to be minified and compressed as it can save up to 218.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (42%)

Requests Now

62

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Combosport. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

combosport.cz

combosport.cz

393 ms

www.combosport.cz

www.combosport.cz

482 ms

screen.css

screen.css

120 ms

lib.js

lib.js

219 ms

jquery.min.js

jquery.min.js

343 ms

jquery.custom.js

jquery.custom.js

234 ms

jquery.cross-slide.min.js

jquery.cross-slide.min.js

232 ms

jquery.fancybox.js

jquery.fancybox.js

355 ms

jquery.fancybox.css

jquery.fancybox.css

236 ms

jquery.fancybox-buttons.css

jquery.fancybox-buttons.css

328 ms

jquery.fancybox-buttons.js

jquery.fancybox-buttons.js

347 ms

jquery.fancybox-thumbs.css

jquery.fancybox-thumbs.css

351 ms

jquery.fancybox-thumbs.js

jquery.fancybox-thumbs.js

352 ms

jquery.fancybox-media.js

jquery.fancybox-media.js

438 ms

counter_1.php

counter_1.php

434 ms

reset.css

reset.css

342 ms

counter_1.php

counter_1.php

289 ms

qmDp9qjTrzQ

qmDp9qjTrzQ

99 ms

bg.jpg

bg.jpg

161 ms

logo.png

logo.png

263 ms

titColor01.gif

titColor01.gif

160 ms

li.gif

li.gif

160 ms

titColor02.gif

titColor02.gif

160 ms

titColor03.gif

titColor03.gif

160 ms

titColor04.gif

titColor04.gif

274 ms

topObr.png

topObr.png

290 ms

bottom.png

bottom.png

273 ms

logoFacebook.gif

logoFacebook.gif

284 ms

radary-pro-sport.gif

radary-pro-sport.gif

271 ms

frog.gif

frog.gif

333 ms

anglictina-s-medou.gif

anglictina-s-medou.gif

382 ms

masazejmostrava.gif

masazejmostrava.gif

397 ms

likebox.php

likebox.php

191 ms

www-embed-player-vflfNyN_r.css

www-embed-player-vflfNyN_r.css

22 ms

www-embed-player.js

www-embed-player.js

42 ms

base.js

base.js

67 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

47 ms

ad_status.js

ad_status.js

54 ms

boxPartneriTop.gif

boxPartneriTop.gif

133 ms

boxPartneriBottom.gif

boxPartneriBottom.gif

150 ms

obr01.jpg

obr01.jpg

604 ms

obr02.jpg

obr02.jpg

526 ms

obr03.jpg

obr03.jpg

715 ms

obr04.jpg

obr04.jpg

716 ms

obr05.jpg

obr05.jpg

633 ms

obr06.jpg

obr06.jpg

506 ms

obr07.jpg

obr07.jpg

738 ms

kyEKgjk51ZE.css

kyEKgjk51ZE.css

319 ms

xgj7bXhJNEH.css

xgj7bXhJNEH.css

388 ms

q68gy-v_YMF.js

q68gy-v_YMF.js

532 ms

FJmpeSpHpjS.js

FJmpeSpHpjS.js

658 ms

0wM5s1Khldu.js

0wM5s1Khldu.js

524 ms

1bNoFZUdlYZ.js

1bNoFZUdlYZ.js

545 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

28 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

60 ms

480538_604245939589663_511135776_n.jpg

480538_604245939589663_511135776_n.jpg

368 ms

486682_603606629653594_789098226_n.jpg

486682_603606629653594_789098226_n.jpg

508 ms

12193305_10207994621773677_7356271404889355831_n.jpg

12193305_10207994621773677_7356271404889355831_n.jpg

609 ms

12805743_161483350904585_4609653772682673971_n.jpg

12805743_161483350904585_4609653772682673971_n.jpg

569 ms

11224566_615919778562153_841165298255465587_n.jpg

11224566_615919778562153_841165298255465587_n.jpg

641 ms

10462725_821457804538598_4249218228548644530_n.jpg

10462725_821457804538598_4249218228548644530_n.jpg

609 ms

wL6VQj7Ab77.png

wL6VQj7Ab77.png

77 ms

s7jcwEQH7Sx.png

s7jcwEQH7Sx.png

76 ms

print.css

print.css

145 ms

I6-MnjEovm5.js

I6-MnjEovm5.js

71 ms

pQrUxxo5oQp.js

pQrUxxo5oQp.js

137 ms

counter_1.php

counter_1.php

330 ms

Accessibility Review

combosport.cz accessibility score

63

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

combosport.cz best practices score

50

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

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

combosport.cz SEO score

69

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

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 Combosport.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 Combosport.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

combosport.cz

Open Graph description is not detected on the main page of Combosport. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: