Tools & Wizards About Us
voetbaltrainingen.net screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

voetbaltrainingen.net

Gratis voetbaltrainingen, voetbaloefeningen voor trainers en spelers. | Voetbaltrainingen

Page Load Speed

3.8 sec in total

First Response

764 ms

Resources Loaded

2.6 sec

Page Rendered

409 ms

voetbaltrainingen.net screenshot

About Website

Visit voetbaltrainingen.net now to see the best up-to-date Voetbaltrainingen content for Netherlands and also check out these interesting facts you probably never knew about voetbaltrainingen.net

Gratis voetbaltrainingen, voetbaloefeningen, trainingsbeelden, materiaal voor conditietraining. Een interactieve website voor elke trainer en speler.

Visit voetbaltrainingen.net

Key Findings

We analyzed Voetbaltrainingen.net page load time and found that the first response time was 764 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

voetbaltrainingen.net performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value17.6 s

0/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value3,710 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.182

67/100

15%

TTI (Time to Interactive)

Value26.1 s

0/100

10%

Network Requests Diagram

www.voetbaltrainingen.net

764 ms

wp-emoji-release.min.js

96 ms

sociable.css

165 ms

style.min.css

190 ms

styles.css

182 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 48% of them (39 requests) were addressed to the original Voetbaltrainingen.net, 12% (10 requests) were made to Apis.google.com and 9% (7 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (833 ms) belongs to the original domain Voetbaltrainingen.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 336.5 kB (9%)

Content Size

3.6 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Voetbaltrainingen.net main page is 3.6 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. 70% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 49.6 kB

  • Original 62.4 kB
  • After minification 59.0 kB
  • After compression 12.8 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 49.6 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 194.0 kB

  • Original 3.0 MB
  • After minification 2.8 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. Voetbaltrainingen images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 89.8 kB

  • Original 479.7 kB
  • After minification 475.1 kB
  • After compression 389.8 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 89.8 kB or 19% of the original size.

CSS Optimization

-4%

Potential reduce by 3.0 kB

  • Original 67.0 kB
  • After minification 66.9 kB
  • After compression 64.0 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. Voetbaltrainingen.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 59 (79%)

Requests Now

75

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Voetbaltrainingen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.voetbaltrainingen.net

www.voetbaltrainingen.net

764 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

96 ms

sociable.css

sociable.css

165 ms

style.min.css

style.min.css

190 ms

styles.css

styles.css

182 ms

wppopups.css

wppopups.css

185 ms

wppopups-base.css

wppopups-base.css

183 ms

jquery.min.js

jquery.min.js

282 ms

jquery-migrate.min.js

jquery-migrate.min.js

245 ms

sociable.js

sociable.js

272 ms

vuible.js

vuible.js

274 ms

addtofavorites.js

addtofavorites.js

276 ms

coockie.php

coockie.php

301 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

332 ms

wp-polyfill.min.js

wp-polyfill.min.js

367 ms

hooks.min.js

hooks.min.js

375 ms

wppopups.js

wppopups.js

375 ms

sharethis.js

sharethis.js

9 ms

js

js

78 ms

plusone.js

plusone.js

42 ms

si_captcha.js

si_captcha.js

385 ms

adsbygoogle.js

adsbygoogle.js

73 ms

bootstrap.min.css

bootstrap.min.css

405 ms

bootstrap-theme.min.css

bootstrap-theme.min.css

431 ms

glyphicons.css

glyphicons.css

499 ms

halflings.css

halflings.css

497 ms

font-awesome.css

font-awesome.css

494 ms

theme.css

theme.css

490 ms

style.css

style.css

498 ms

platform.js

platform.js

59 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

592 ms

jquery-ui-1.10.3.custom.min.js

jquery-ui-1.10.3.custom.min.js

583 ms

bootstrap.min.js

bootstrap.min.js

577 ms

app.js

app.js

576 ms

wppopups.js

wppopups.js

576 ms

index.js

index.js

574 ms

index.js

index.js

685 ms

sharethis.js

sharethis.js

46 ms

plusone.js

plusone.js

14 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

10 ms

analytics.js

analytics.js

51 ms

voetbaltrainingen-logo.png

voetbaltrainingen-logo.png

502 ms

500-130.jpg

500-130.jpg

493 ms

pageheader-1.jpg

pageheader-1.jpg

394 ms

analytics.js

analytics.js

77 ms

collect

collect

33 ms

collect

collect

38 ms

css

css

30 ms

190605-algemeen-pp-300x250.jpg

190605-algemeen-pp-300x250.jpg

714 ms

impression

impression

556 ms

Snelle-omschakeling-3v2-3v3.png

Snelle-omschakeling-3v2-3v3.png

681 ms

Passing-First-touch-Coordinatie.png

Passing-First-touch-Coordinatie.png

562 ms

Technische-beweging-passing-1v1-en-2v1-1.png

Technische-beweging-passing-1v1-en-2v1-1.png

833 ms

zd.png

zd.png

402 ms

S6u9w4BMUTPHh7USSwiPHw.woff

S6u9w4BMUTPHh7USSwiPHw.woff

6 ms

S6u8w4BMUTPHh30AXC-s.woff

S6u8w4BMUTPHh30AXC-s.woff

9 ms

S6uyw4BMUTPHjx4wWA.woff

S6uyw4BMUTPHjx4wWA.woff

18 ms

S6u9w4BMUTPHh6UVSwiPHw.woff

S6u9w4BMUTPHh6UVSwiPHw.woff

18 ms

S6u9w4BMUTPHh50XSwiPHw.woff

S6u9w4BMUTPHh50XSwiPHw.woff

18 ms

all.js

all.js

5 ms

all.js

all.js

24 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

21 ms

cb=gapi.loaded_2

cb=gapi.loaded_2

41 ms

subscribe_embed

subscribe_embed

121 ms

postmessageRelay

postmessageRelay

218 ms

www-subscribe-embed_split_v0.css

www-subscribe-embed_split_v0.css

6 ms

www-subscribe-embed_v0.js

www-subscribe-embed_v0.js

20 ms

subscribe_button_branded_lozenge.png

subscribe_button_branded_lozenge.png

3 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

20 ms

cb=gapi.loaded_3

cb=gapi.loaded_3

9 ms

border_3.gif

border_3.gif

176 ms

subscribe_embed

subscribe_embed

88 ms

spacer.gif

spacer.gif

173 ms

border_3.gif

border_3.gif

103 ms

bubbleSprite_3.png

bubbleSprite_3.png

116 ms

bubbleDropR_3.png

bubbleDropR_3.png

166 ms

bubbleDropB_3.png

bubbleDropB_3.png

165 ms

1832714284-postmessagerelay.js

1832714284-postmessagerelay.js

168 ms

rpc:shindig_random.js

rpc:shindig_random.js

77 ms

www-subscribe-embed-card_v0.css

www-subscribe-embed-card_v0.css

38 ms

www-subscribe-embed-card_v0.js

www-subscribe-embed-card_v0.js

37 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

6 ms

Accessibility Review

voetbaltrainingen.net accessibility score

84

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Best Practices

voetbaltrainingen.net best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

voetbaltrainingen.net SEO score

100

Search Engine Optimization Advices

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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Voetbaltrainingen.net can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Voetbaltrainingen.net 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

voetbaltrainingen.net

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