Tools & Wizards About Us
avlka.cz screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

avlka.cz

AVLka - Amaterská Volejbalová Liga - internetová stránka

Page Load Speed

6.5 sec in total

First Response

996 ms

Resources Loaded

5.2 sec

Page Rendered

255 ms

avlka.cz screenshot

About Website

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

Jedinečná soutěž smíšených družstev neregistrovaných volejbalistů a volejbalistek, která se hraje v 10 regionech České republiky a jejím vrcholem je celostátní finále.

Visit avlka.cz

Key Findings

We analyzed Avlka.cz page load time and found that the first response time was 996 ms and then it took 5.5 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

avlka.cz performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.151

75/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

996 ms

default-out.css

503 ms

highslide-full.js

708 ms

highslide.css

208 ms

offer.css

207 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 40% of them (42 requests) were addressed to the original Avlka.cz, 25% (26 requests) were made to Static.xx.fbcdn.net and 5% (5 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (996 ms) belongs to the original domain Avlka.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 432.1 kB (47%)

Content Size

912.1 kB

After Optimization

479.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Avlka.cz main page is 912.1 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. 70% of websites need less resources to load. Javascripts take 429.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 31.1 kB

  • Original 41.2 kB
  • After minification 38.4 kB
  • After compression 10.1 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 31.1 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 15.8 kB

  • Original 316.4 kB
  • After minification 300.6 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. AVLka images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 280.4 kB

  • Original 429.5 kB
  • After minification 390.4 kB
  • After compression 149.0 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 280.4 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 104.8 kB

  • Original 125.0 kB
  • After minification 103.9 kB
  • After compression 20.2 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. Avlka.cz needs all CSS files to be minified and compressed as it can save up to 104.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (49%)

Requests Now

103

After Optimization

53

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AVLka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

996 ms

default-out.css

default-out.css

503 ms

highslide-full.js

highslide-full.js

708 ms

highslide.css

highslide.css

208 ms

offer.css

offer.css

207 ms

smweb.js

smweb.js

210 ms

calendar1.js

calendar1.js

508 ms

json2.js

json2.js

497 ms

calendar.css

calendar.css

410 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

937 ms

jquery.lib.js

jquery.lib.js

612 ms

696 ms

stupidtable.min.js

stupidtable.min.js

712 ms

ga.js

ga.js

29 ms

searchbutton.png

searchbutton.png

157 ms

MP_sova.png

MP_sova.png

393 ms

banner107.jpg

banner107.jpg

304 ms

loginfb.png

loginfb.png

206 ms

uvod_046248e625086e51bad41b55fead6087.jpg

uvod_046248e625086e51bad41b55fead6087.jpg

209 ms

uvod_8db1285c8e0f0666911047dd1f4a441f.jpg

uvod_8db1285c8e0f0666911047dd1f4a441f.jpg

303 ms

uvod_e3f86b4145b112bc307d0562a043263b.jpg

uvod_e3f86b4145b112bc307d0562a043263b.jpg

307 ms

uvod_ad68fd47c3c38b685b8c3b2475e5485e.jpg

uvod_ad68fd47c3c38b685b8c3b2475e5485e.jpg

403 ms

uvod_c4c32eaadc74ec6f0b78ff3f6488cbee.jpg

uvod_c4c32eaadc74ec6f0b78ff3f6488cbee.jpg

407 ms

hlavni-mizuno.png

hlavni-mizuno.png

504 ms

4mopy.png

4mopy.png

510 ms

3molten.png

3molten.png

506 ms

7smworks.png

7smworks.png

589 ms

1fiat.png

1fiat.png

601 ms

5storage.png

5storage.png

612 ms

6teekane.png

6teekane.png

745 ms

allivictus-small(1).png

allivictus-small(1).png

745 ms

all.js

all.js

17 ms

d93e757e1104.png

d93e757e1104.png

56 ms

embed

embed

125 ms

shadow-top.png

shadow-top.png

667 ms

avl-logo-2.png

avl-logo-2.png

714 ms

mapa-avl.png

mapa-avl.png

725 ms

aktuality.png

aktuality.png

725 ms

clanky.png

clanky.png

826 ms

title-voleycountry.png

title-voleycountry.png

832 ms

avl-bottomlogo.png

avl-bottomlogo.png

839 ms

__utm.gif

__utm.gif

43 ms

cf5f02a7dec1.png

cf5f02a7dec1.png

17 ms

embed

embed

462 ms

anjaelianeavl-webfont.woff

anjaelianeavl-webfont.woff

950 ms

130 ms

xd_arbiter.php

xd_arbiter.php

29 ms

xd_arbiter.php

xd_arbiter.php

42 ms

0992f33945a94632a64d2587cfa6f814embedcompiled_fastui.css

0992f33945a94632a64d2587cfa6f814embedcompiled_fastui.css

3 ms

0992f33945a94632a64d2587cfa6f814embedcompiled__en.js

0992f33945a94632a64d2587cfa6f814embedcompiled__en.js

19 ms

client.js

client.js

68 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

12 ms

postmessageRelay

postmessageRelay

35 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

25 ms

rpc:shindig_random.js

rpc:shindig_random.js

33 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

5 ms

logo-plus.png

logo-plus.png

23 ms

googlelogo_color_46x16dp.png

googlelogo_color_46x16dp.png

25 ms

proxy.html

proxy.html

36 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

5 ms

events

events

138 ms

events

events

152 ms

events

events

134 ms

events

events

137 ms

print.css

print.css

301 ms

drop-shadow.png

drop-shadow.png

201 ms

zoomout.cur

zoomout.cur

204 ms

loader.white.gif

loader.white.gif

203 ms

xd_arbiter.php

xd_arbiter.php

6 ms

like_box.php

like_box.php

229 ms

kyEKgjk51ZE.css

kyEKgjk51ZE.css

43 ms

xgj7bXhJNEH.css

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46 ms

Czh0gDTFcBt.css

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55 ms

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69 ms

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55 ms

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77 ms

XUOUvx124Lk.css

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49 ms

q68gy-v_YMF.js

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87 ms

hHAUS9q05ns.js

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115 ms

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82 ms

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85 ms

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85 ms

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113 ms

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138 ms

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147 ms

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137 ms

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145 ms

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136 ms

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144 ms

12688310_1244662115548155_1754609519405946205_n.jpg

12688310_1244662115548155_1754609519405946205_n.jpg

181 ms

safe_image.php

safe_image.php

209 ms

106 ms

safe_image.php

safe_image.php

115 ms

safe_image.php

safe_image.php

47 ms

423378_406324039381971_468029436_n.jpg

423378_406324039381971_468029436_n.jpg

41 ms

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104 ms

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82 ms

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44 ms

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25 ms

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27 ms

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12 ms

pQrUxxo5oQp.js

pQrUxxo5oQp.js

9 ms

Accessibility Review

avlka.cz accessibility score

63

Accessibility Issues

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

avlka.cz best practices score

58

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

SEO Factors

avlka.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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Avlka.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Avlka.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

avlka.cz

Open Graph description is not detected on the main page of AVLka. 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: