Tools & Wizards About Us
knvbshop.nl screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

knvbshop.nl

KNVBshop.nl - De officiële webwinkel van de KNVB - KNVBshop.nl

Page Load Speed

8 sec in total

First Response

34 ms

Resources Loaded

7.3 sec

Page Rendered

635 ms

knvbshop.nl screenshot

About Website

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

Welkom op de officiële webshop van de KNVB. Vanzelfsprekend kunt u hier alles van het Nederlands efltal vinden. De complete Nike collectie is hier te koop, van de wedstrijdkleding tot en met de traini...

Visit knvbshop.nl

Key Findings

We analyzed Knvbshop.nl page load time and found that the first response time was 34 ms and then it took 8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

knvbshop.nl performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value780 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value26.1 s

0/100

10%

Network Requests Diagram

knvbshop.nl

34 ms

www.knvbshop.nl

522 ms

calendar.css

383 ms

font-awesome.min.css

26 ms

styles-m.css

58 ms

Our browser made a total of 198 requests to load all elements on the main page. We found that 96% of them (191 requests) were addressed to the original Knvbshop.nl, 1% (2 requests) were made to Stackpath.bootstrapcdn.com and 1% (2 requests) were made to Voetbalshop.nl. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Knvbshop.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 115.0 kB (5%)

Content Size

2.4 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Knvbshop.nl main page is 2.4 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 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 106.2 kB

  • Original 128.1 kB
  • After minification 126.8 kB
  • After compression 21.8 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 106.2 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 5.1 kB

  • Original 2.0 MB
  • After minification 2.0 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. KNVBshop images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 29 B

  • Original 8.0 kB
  • After minification 8.0 kB
  • After compression 8.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 3.6 kB

  • Original 208.3 kB
  • After minification 206.3 kB
  • After compression 204.6 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. Knvbshop.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 149 (79%)

Requests Now

188

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 188 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KNVBshop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 125 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

knvbshop.nl

knvbshop.nl

34 ms

www.knvbshop.nl

www.knvbshop.nl

522 ms

calendar.css

calendar.css

383 ms

font-awesome.min.css

font-awesome.min.css

26 ms

styles-m.css

styles-m.css

58 ms

owl.carousel.min.css

owl.carousel.min.css

29 ms

owl.theme.default.min.css

owl.theme.default.min.css

408 ms

custom_prompt.css

custom_prompt.css

27 ms

powerstep.css

powerstep.css

39 ms

j2t-rewardpoints.css

j2t-rewardpoints.css

42 ms

jquery-ui-slider-pips.css

jquery-ui-slider-pips.css

40 ms

autocomplete.css

autocomplete.css

50 ms

jquery.jsonview.min.css

jquery.jsonview.min.css

53 ms

autocomplete.css

autocomplete.css

88 ms

layer.css

layer.css

89 ms

breadcrumb.css

breadcrumb.css

90 ms

listing.css

listing.css

89 ms

mki_switcher.css

mki_switcher.css

90 ms

trustpilot.min.css

trustpilot.min.css

91 ms

styles-l.css

styles-l.css

91 ms

bootstrap.css

bootstrap.css

110 ms

bootstrap-grid.css

bootstrap-grid.css

117 ms

bootstrap-reboot.css

bootstrap-reboot.css

117 ms

custom.css

custom.css

124 ms

custom_knvb.css

custom_knvb.css

118 ms

all.css

all.css

30 ms

font-awesome.min.css

font-awesome.min.css

146 ms

require.js

require.js

123 ms

mixins.js

mixins.js

121 ms

requirejs-config.js

requirejs-config.js

497 ms

badge.js

badge.js

147 ms

email-decode.min.js

email-decode.min.js

142 ms

logo.svg

logo.svg

404 ms

loader-1.gif

loader-1.gif

483 ms

topcat-oranje-mob.jpg

topcat-oranje-mob.jpg

627 ms

20230605-knvb-top-categories-mobile-leeuwinnen.jpg

20230605-knvb-top-categories-mobile-leeuwinnen.jpg

653 ms

20230605-knvb-top-categories-mobile-kids.jpg

20230605-knvb-top-categories-mobile-kids.jpg

591 ms

20230605-knvb-top-categories-mobile-sale.jpg

20230605-knvb-top-categories-mobile-sale.jpg

383 ms

main-slider-home-mob.jpg

main-slider-home-mob.jpg

1075 ms

main-slider-away-mob.jpg

main-slider-away-mob.jpg

1126 ms

20240417-mobile-slider-Nike-Scheidsrechters-KNVB-2.jpg

20240417-mobile-slider-Nike-Scheidsrechters-KNVB-2.jpg

1050 ms

topcat-oranje.jpg

topcat-oranje.jpg

1282 ms

20230605-knvb-top-categories-desktop-leeuwinnen.jpg

20230605-knvb-top-categories-desktop-leeuwinnen.jpg

1284 ms

20230605-knvb-top-categories-desktop-kids.jpg

20230605-knvb-top-categories-desktop-kids.jpg

1309 ms

uitgelicht-fanartikelen-v2.jpg

uitgelicht-fanartikelen-v2.jpg

1735 ms

20240417-Nike-Scheidsrechter-2.jpg

20240417-Nike-Scheidsrechter-2.jpg

1452 ms

populair-oranje.jpg

populair-oranje.jpg

1880 ms

20230605-knvb-featured-categories-dames.jpg

20230605-knvb-featured-categories-dames.jpg

1943 ms

20240419-populair-Scheidsrechters.jpg

20240419-populair-Scheidsrechters.jpg

1782 ms

knvb-featured-categories-verenigingen.jpg

knvb-featured-categories-verenigingen.jpg

1874 ms

newsletter_knvb_img.jpg

newsletter_knvb_img.jpg

1829 ms

jquery.js

jquery.js

2301 ms

common.js

common.js

1795 ms

dataPost.js

dataPost.js

1807 ms

bootstrap.js

bootstrap.js

2204 ms

app.js

app.js

1840 ms

form-key-provider.js

form-key-provider.js

1854 ms

mage-translation-dictionary.js

mage-translation-dictionary.js

1866 ms

configurable.js

configurable.js

1870 ms

theme.js

theme.js

2258 ms

search.svg

search.svg

1878 ms

mainfmegamenu.js

mainfmegamenu.js

1880 ms

jquery-mixin.js

jquery-mixin.js

2247 ms

sprite_new.svg

sprite_new.svg

2270 ms

klubknvb09-normal-webfont.woff

klubknvb09-normal-webfont.woff

2382 ms

Luma-Icons.woff

Luma-Icons.woff

2673 ms

underscore.js

underscore.js

2728 ms

price-utils.js

price-utils.js

2353 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

16 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

20 ms

tp.min.js

tp.min.js

18 ms

cookies.js

cookies.js

1934 ms

klubknvb07-medium-webfont.woff

klubknvb07-medium-webfont.woff

2393 ms

klubknvb11-bold-webfont.woff

klubknvb11-bold-webfont.woff

2333 ms

klubknvb11-medium-webfont.woff

klubknvb11-medium-webfont.woff

2303 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2372 ms

domReady.js

domReady.js

2428 ms

badge-logger.js

badge-logger.js

2112 ms

newsletter_knvb_bg.jpg

newsletter_knvb_bg.jpg

2111 ms

newsletter-button-arrow.svg

newsletter-button-arrow.svg

2060 ms

phone.svg

phone.svg

1646 ms

mail.svg

mail.svg

1694 ms

question-icon.svg

question-icon.svg

1684 ms

back_to_top.svg

back_to_top.svg

1927 ms

footer-knvb-bg-min.jpg

footer-knvb-bg-min.jpg

1660 ms

footer-payments-row1-knvb.png

footer-payments-row1-knvb.png

1657 ms

footer-payments-row2-knvb.png

footer-payments-row2-knvb.png

1757 ms

template.js

template.js

1774 ms

confirm.js

confirm.js

1369 ms

widget.js

widget.js

1375 ms

types.js

types.js

1383 ms

layout.js

layout.js

1385 ms

bootstrap.js

bootstrap.js

1398 ms

text.js

text.js

1409 ms

translate.js

translate.js

1419 ms

price-utils-rewrite.js

price-utils-rewrite.js

1430 ms

price-box-rewrite.js

price-box-rewrite.js

1445 ms

jquery.parsequery.js

jquery.parsequery.js

1415 ms

fotorama-add-video-events.js

fotorama-add-video-events.js

1168 ms

main.js

main.js

1124 ms

smart-keyboard-handler.js

smart-keyboard-handler.js

1119 ms

mage.js

mage.js

1478 ms

ie-class-fixer.js

ie-class-fixer.js

1443 ms

wrapper.js

wrapper.js

1085 ms

jquery-migrate.js

jquery-migrate.js

1045 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

1026 ms

owl.carousel.min.js

owl.carousel.min.js

1111 ms

cookie-wrapper.js

cookie-wrapper.js

703 ms

badge-kl.js

badge-kl.js

323 ms

modal.js

modal.js

301 ms

version.js

version.js

309 ms

main.js

main.js

312 ms

registry.js

registry.js

317 ms

console-logger.js

console-logger.js

683 ms

knockout.js

knockout.js

323 ms

knockout-es5.js

knockout-es5.js

428 ms

engine.js

engine.js

336 ms

bootstrap.js

bootstrap.js

352 ms

observable_array.js

observable_array.js

368 ms

bound-nodes.js

bound-nodes.js

385 ms

js-translation.json

js-translation.json

392 ms

gallery.js

gallery.js

324 ms

vimeo-wrapper.js

vimeo-wrapper.js

336 ms

scripts.js

scripts.js

656 ms

js.cookie.js

js.cookie.js

263 ms

modal-popup.html

modal-popup.html

254 ms

modal-slide.html

modal-slide.html

268 ms

modal-custom.html

modal-custom.html

614 ms

key-codes.js

key-codes.js

283 ms

core.js

core.js

669 ms

z-index.js

z-index.js

300 ms

arrays.js

arrays.js

264 ms

compare.js

compare.js

330 ms

misc.js

misc.js

665 ms

objects.js

objects.js

330 ms

strings.js

strings.js

330 ms

template.js

template.js

330 ms

observable_source.js

observable_source.js

418 ms

renderer.js

renderer.js

711 ms

knockout-repeat.js

knockout-repeat.js

424 ms

knockout-fast-foreach.js

knockout-fast-foreach.js

439 ms

resizable.js

resizable.js

783 ms

i18n.js

i18n.js

449 ms

scope.js

scope.js

467 ms

range.js

range.js

487 ms

mage-init.js

mage-init.js

874 ms

keyboard.js

keyboard.js

508 ms

optgroup.js

optgroup.js

522 ms

after-render.js

after-render.js

543 ms

autoselect.js

autoselect.js

906 ms

datepicker.js

datepicker.js

529 ms

outer_click.js

outer_click.js

525 ms

fadeVisible.js

fadeVisible.js

525 ms

collapsible.js

collapsible.js

926 ms

staticChecked.js

staticChecked.js

524 ms

simple-checked.js

simple-checked.js

527 ms

bind-html.js

bind-html.js

519 ms

tooltip.js

tooltip.js

534 ms

color-picker.js

color-picker.js

538 ms

events.js

events.js

546 ms

player.js

player.js

554 ms

klubknvb02-black-webfont.woff

klubknvb02-black-webfont.woff

576 ms

chevron-left-white.png

chevron-left-white.png

47 ms

chevron-right-white.png

chevron-right-white.png

404 ms

local.js

local.js

412 ms

logger.js

logger.js

430 ms

entry-factory.js

entry-factory.js

445 ms

console-output-handler.js

console-output-handler.js

461 ms

formatter.js

formatter.js

487 ms

message-pool.js

message-pool.js

857 ms

levels-pool.js

levels-pool.js

506 ms

logger-utils.js

logger-utils.js

442 ms

class.js

class.js

804 ms

data.js

data.js

313 ms

disable-selection.js

disable-selection.js

332 ms

focusable.js

focusable.js

348 ms

form.js

form.js

726 ms

ie.js

ie.js

366 ms

keycode.js

keycode.js

380 ms

labels.js

labels.js

752 ms

jquery-patch.js

jquery-patch.js

393 ms

plugin.js

plugin.js

409 ms

safe-active-element.js

safe-active-element.js

431 ms

safe-blur.js

safe-blur.js

435 ms

scroll-parent.js

scroll-parent.js

529 ms

tabbable.js

tabbable.js

805 ms

unique-id.js

unique-id.js

873 ms

tooltip.html

tooltip.html

901 ms

spectrum.js

spectrum.js

1013 ms

tinycolor.js

tinycolor.js

993 ms

loader.js

loader.js

611 ms

load-player.js

load-player.js

621 ms

entry.js

entry.js

583 ms

async.js

async.js

959 ms

moment.js

moment.js

611 ms

print.css

print.css

387 ms

dom-observer.js

dom-observer.js

373 ms

bindings.js

bindings.js

458 ms

Accessibility Review

knvbshop.nl accessibility score

77

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

[role]s do not have all required [aria-*] attributes

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

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

knvbshop.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

knvbshop.nl SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 Knvbshop.nl 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 Knvbshop.nl 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

knvbshop.nl

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