Tools & Wizards About Us
woonkennis.nl screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

woonkennis.nl

Domein gereserveerd

Page Load Speed

10.7 sec in total

First Response

211 ms

Resources Loaded

7.6 sec

Page Rendered

2.9 sec

woonkennis.nl screenshot

About Website

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

BouwKennis is dé kennis- en netwerkpartner voor de bouwsector. Neem vrijblijvend contact met ons op om te zien wat BouwKennis voor jou kan betekenen.

Visit woonkennis.nl

Key Findings

We analyzed Woonkennis.nl page load time and found that the first response time was 211 ms and then it took 10.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

woonkennis.nl performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value1,790 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.303

39/100

15%

TTI (Time to Interactive)

Value30.8 s

0/100

10%

Network Requests Diagram

woonkennis.nl

211 ms

bouwkennis.nl

964 ms

wp-emoji-release.min.js

88 ms

jquery.bxslider.css

167 ms

custom-styles.css

246 ms

Our browser made a total of 170 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Woonkennis.nl, 88% (149 requests) were made to Bouwkennis.nl and 4% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Bouwkennis.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 914.0 kB (19%)

Content Size

4.7 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Woonkennis.nl main page is 4.7 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. Only a small number of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 73.7 kB

  • Original 92.9 kB
  • After minification 88.7 kB
  • After compression 19.2 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 73.7 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 56.8 kB

  • Original 3.4 MB
  • After minification 3.3 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. Woonkennis images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 238.8 kB

  • Original 452.1 kB
  • After minification 423.2 kB
  • After compression 213.3 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 238.8 kB or 53% of the original size.

CSS Optimization

-70%

Potential reduce by 544.7 kB

  • Original 774.9 kB
  • After minification 772.4 kB
  • After compression 230.2 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. Woonkennis.nl needs all CSS files to be minified and compressed as it can save up to 544.7 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 78 (50%)

Requests Now

157

After Optimization

79

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 157 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Woonkennis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 49 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

woonkennis.nl

woonkennis.nl

211 ms

bouwkennis.nl

bouwkennis.nl

964 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

88 ms

jquery.bxslider.css

jquery.bxslider.css

167 ms

custom-styles.css

custom-styles.css

246 ms

styles.css

styles.css

251 ms

formidableforms.css

formidableforms.css

344 ms

bootstrap_tab.min.css

bootstrap_tab.min.css

257 ms

bootstrap_dropdown.min.css

bootstrap_dropdown.min.css

258 ms

res_tab_icon.css

res_tab_icon.css

263 ms

style.min.css

style.min.css

330 ms

style.css

style.css

335 ms

wc-blocks-vendors-style.css

wc-blocks-vendors-style.css

340 ms

wc-blocks-style.css

wc-blocks-style.css

436 ms

go_pricing_styles.css

go_pricing_styles.css

350 ms

mediaelementplayer.min.css

mediaelementplayer.min.css

420 ms

mediaelementplayer.css

mediaelementplayer.css

422 ms

woocommerce-layout.css

woocommerce-layout.css

424 ms

woocommerce.css

woocommerce.css

426 ms

ysdb-cookiealert-public.css

ysdb-cookiealert-public.css

502 ms

dashicons.min.css

dashicons.min.css

587 ms

public.css

public.css

507 ms

base.css

base.css

687 ms

widget.css

widget.css

511 ms

tablepress-combined.min.css

tablepress-combined.min.css

507 ms

prdctfltr.css

prdctfltr.css

520 ms

jquery.mCustomScrollbar.css

jquery.mCustomScrollbar.css

582 ms

ion.rangeSlider.css

ion.rangeSlider.css

587 ms

jquery-3.2.1.min.js

jquery-3.2.1.min.js

614 ms

modernizr.min.js

modernizr.min.js

610 ms

bootstrap.min.js

bootstrap.min.js

655 ms

lity.min.js

lity.min.js

754 ms

go_pricing_scripts.js

go_pricing_scripts.js

654 ms

whatsapp-button.js

whatsapp-button.js

754 ms

ysdb-cookiealert-public.js

ysdb-cookiealert-public.js

748 ms

public.js

public.js

765 ms

morph-accordion.js

morph-accordion.js

765 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

1043 ms

jquery.validate.1.19.3.min.js

jquery.validate.1.19.3.min.js

1674 ms

jquery-ui-1.12.1.custom.min.css

jquery-ui-1.12.1.custom.min.css

1776 ms

jquery-ui-1.12.1.custom.min.js

jquery-ui-1.12.1.custom.min.js

1959 ms

React

React

469 ms

style.css

style.css

753 ms

thickbox.css

thickbox.css

729 ms

ion.rangeSlider.min.js

ion.rangeSlider.min.js

648 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

648 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

643 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

632 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

632 ms

add-to-cart.min.js

add-to-cart.min.js

627 ms

js.cookie.min.js

js.cookie.min.js

555 ms

woocommerce.min.js

woocommerce.min.js

637 ms

cart-fragments.min.js

cart-fragments.min.js

633 ms

morph.js

morph.js

619 ms

search.js

search.js

609 ms

jquery.mCustomScrollbar.concat.min.js

jquery.mCustomScrollbar.concat.min.js

547 ms

isotope.js

isotope.js

546 ms

hoverIntent.min.js

hoverIntent.min.js

620 ms

prdctfltr_main.js

prdctfltr_main.js

623 ms

bootstrap-dropdown.js

bootstrap-dropdown.js

551 ms

bootstrap-tab.js

bootstrap-tab.js

551 ms

bootstrap-tabdrop.js

bootstrap-tabdrop.js

546 ms

wp-embed.min.js

wp-embed.min.js

618 ms

styles.css

styles.css

589 ms

jquery.bxslider.js

jquery.bxslider.js

1114 ms

front_end_js.js

front_end_js.js

538 ms

thickbox.js

thickbox.js

1088 ms

imagesloaded.min.js

imagesloaded.min.js

1081 ms

masonry.min.js

masonry.min.js

1071 ms

lightslider.js

lightslider.js

1031 ms

jquery.sticky.js

jquery.sticky.js

933 ms

script.js

script.js

933 ms

custom.js

custom.js

934 ms

insight.min.js

insight.min.js

604 ms

P1M6Hg5zzHs

P1M6Hg5zzHs

642 ms

logo_black.png

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527 ms

logo_white.png

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526 ms

logo.png

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526 ms

background-1.jpg

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538 ms

velux.jpg

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527 ms

ABB.png

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537 ms

jongeneel.png

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591 ms

hormann.png

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587 ms

technische-unie.jpg

technische-unie.jpg

981 ms

dekker.png

dekker.png

582 ms

DYKA.png

DYKA.png

894 ms

AssaabloyopeningsolutionsCOM-Logo.png

AssaabloyopeningsolutionsCOM-Logo.png

890 ms

remeha2.png

remeha2.png

982 ms

Wienerberger.png

Wienerberger.png

981 ms

Akzo-Nobel.jpg

Akzo-Nobel.jpg

981 ms

Isero.jpg

Isero.jpg

1040 ms

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1030 ms

Geberit.png

Geberit.png

1037 ms

wasco4.jpg

wasco4.jpg

1039 ms

mosa.png

mosa.png

1021 ms

kawneer_logo.jpg

kawneer_logo.jpg

1029 ms

logo-boon-edam.png

logo-boon-edam.png

2031 ms

logo-vmrg.gif

logo-vmrg.gif

2030 ms

schneider.png

schneider.png

2033 ms

BouwStijl-Media-logo-72-RGB-scaled.jpg

BouwStijl-Media-logo-72-RGB-scaled.jpg

2034 ms

Belimo-1.png

Belimo-1.png

2030 ms

gysproc.png

gysproc.png

2031 ms

bouwmaat.jpg

bouwmaat.jpg

1741 ms

makita.jpg

makita.jpg

1736 ms

nieuwbouw.jpg

nieuwbouw.jpg

1774 ms

blog_duurz_kdv.jpg

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1738 ms

Contentmarketing-in-de-B2B-300x216.jpg

Contentmarketing-in-de-B2B-300x216.jpg

1733 ms

serp-200x133.jpg

serp-200x133.jpg

1733 ms

background-whitepaper.jpg

background-whitepaper.jpg

1736 ms

search.png

search.png

1734 ms

BouwKennis-MSV-januari-2022-200x132.png

BouwKennis-MSV-januari-2022-200x132.png

1577 ms

Gotham-Book.woff

Gotham-Book.woff

1531 ms

Gotham-Thin.woff

Gotham-Thin.woff

1529 ms

Gotham-Light.woff

Gotham-Light.woff

1530 ms

Gotham-Medium.woff

Gotham-Medium.woff

1536 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1530 ms

Gotham-BookItalic.woff

Gotham-BookItalic.woff

1528 ms

Gotham-LightItalic.woff

Gotham-LightItalic.woff

1480 ms

Gotham-MediumItalic.woff

Gotham-MediumItalic.woff

1479 ms

www-player.css

www-player.css

450 ms

www-embed-player.js

www-embed-player.js

445 ms

base.js

base.js

668 ms

fetch-polyfill.js

fetch-polyfill.js

387 ms

Communicatiemonitor.jpg

Communicatiemonitor.jpg

1471 ms

WidgetScript

WidgetScript

435 ms

belgie.jpg

belgie.jpg

1195 ms

belgium-3604045_1920.jpg

belgium-3604045_1920.jpg

1109 ms

bpdl.png

bpdl.png

1105 ms

WK-kansen-in-woningmarkt.jpg

WK-kansen-in-woningmarkt.jpg

1105 ms

BPD-kort.jpg

BPD-kort.jpg

1105 ms

crane-708623_640.jpg

crane-708623_640.jpg

1095 ms

renovate-3293498_1920.jpg

renovate-3293498_1920.jpg

1060 ms

CGinbeeldwhitepaper.jpg

CGinbeeldwhitepaper.jpg

1055 ms

hexagon-1743514_1920.png

hexagon-1743514_1920.png

1056 ms

SC-TO-installatie.jpg

SC-TO-installatie.jpg

1052 ms

Renovatiemarkt-in-beeld.jpg

Renovatiemarkt-in-beeld.jpg

1052 ms

Corporatiesector-in-beeld.jpg

Corporatiesector-in-beeld.jpg

1053 ms

Kansen-in-e-commerce.jpg

Kansen-in-e-commerce.jpg

628 ms

Zorgmarkt-in-beeld.jpg

Zorgmarkt-in-beeld.jpg

628 ms

SC-KTV-afbouw.jpg

SC-KTV-afbouw.jpg

628 ms

SC-MO-afbouw.jpg

SC-MO-afbouw.jpg

627 ms

SC-MERK-afbouw.jpg

SC-MERK-afbouw.jpg

626 ms

Groepsdiscussie.jpg

Groepsdiscussie.jpg

625 ms

architecture-1314416_640.jpg

architecture-1314416_640.jpg

1133 ms

BouwStijl-Media.jpg

BouwStijl-Media.jpg

1134 ms

bkuu-200x133.jpg

bkuu-200x133.jpg

1132 ms

bouwkennis.nl

bouwkennis.nl

1315 ms

Leon-van-Maurik-150x150.png

Leon-van-Maurik-150x150.png

1130 ms

Richard-Daamen-150x150.jpg

Richard-Daamen-150x150.jpg

1129 ms

Bernhard-Wessels-150x150.png

Bernhard-Wessels-150x150.png

1168 ms

Andre-Verhijde-150x150.png

Andre-Verhijde-150x150.png

1150 ms

Arno-van-Dongen-150x150.png

Arno-van-Dongen-150x150.png

1150 ms

Hans-van-der-Looij-150x150.png

Hans-van-der-Looij-150x150.png

1165 ms

Peter-Stoop-H%C3%B6rmann-150x150.png

Peter-Stoop-H%C3%B6rmann-150x150.png

1140 ms

jeroen-rook-1-150x150.jpg

jeroen-rook-1-150x150.jpg

1157 ms

Janneke.jpg

Janneke.jpg

1157 ms

logo_color.png

logo_color.png

1154 ms

ad_status.js

ad_status.js

1045 ms

bouwkennis.nl

bouwkennis.nl

1318 ms

bx_loader.gif

bx_loader.gif

557 ms

loadingAnimation.gif

loadingAnimation.gif

567 ms

controls.png

controls.png

697 ms

nrTPYF1MeWhW5u-1uricHJVJdskICRuFTkjv60UEiAs.js

nrTPYF1MeWhW5u-1uricHJVJdskICRuFTkjv60UEiAs.js

496 ms

embed.js

embed.js

277 ms

id

id

206 ms

Create

Create

727 ms

292 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

430 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

432 ms

woocommerce-smallscreen.css

woocommerce-smallscreen.css

506 ms

Accessibility Review

woonkennis.nl accessibility score

66

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

woonkennis.nl 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

Missing source maps for large first-party JavaScript

SEO Factors

woonkennis.nl SEO score

85

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

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

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 Woonkennis.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 Woonkennis.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

woonkennis.nl

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