Tools & Wizards About Us
theknowledge.nl screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

theknowledge.nl

The Knowledge | Dé opleider voor intern transport en veiligheid

Page Load Speed

3.9 sec in total

First Response

373 ms

Resources Loaded

3.1 sec

Page Rendered

376 ms

theknowledge.nl screenshot

About Website

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

The Knowledge is al meer dan 30 jaar een gekwalificeerd opleider in logistieke en veiligheidsopleidingen. Een uitgebreid aanbod van vakinhoudelijke opleidingen voor logistieke professionals.

Visit theknowledge.nl

Key Findings

We analyzed Theknowledge.nl page load time and found that the first response time was 373 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

theknowledge.nl performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value25.1 s

0/100

25%

SI (Speed Index)

Value17.1 s

0/100

10%

TBT (Total Blocking Time)

Value1,390 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.044

99/100

15%

TTI (Time to Interactive)

Value25.4 s

0/100

10%

Network Requests Diagram

theknowledge.nl

373 ms

theknowledge.nl

1266 ms

swiper.min.css

332 ms

tippy.css

261 ms

gs-logo.min.css

277 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 77% of them (75 requests) were addressed to the original Theknowledge.nl, 14% (14 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Theknowledge.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (73%)

Content Size

3.0 MB

After Optimization

811.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Theknowledge.nl main page is 3.0 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. CSS take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 83.1 kB

  • Original 102.0 kB
  • After minification 91.7 kB
  • After compression 18.9 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 83.1 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 17.1 kB

  • Original 291.2 kB
  • After minification 274.1 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. The Knowledge images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 883.9 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 356.2 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 883.9 kB or 71% of the original size.

CSS Optimization

-89%

Potential reduce by 1.2 MB

  • Original 1.4 MB
  • After minification 1.2 MB
  • After compression 161.8 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. Theknowledge.nl needs all CSS files to be minified and compressed as it can save up to 1.2 MB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 55 (71%)

Requests Now

77

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of The Knowledge. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 30 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

theknowledge.nl

theknowledge.nl

373 ms

theknowledge.nl

theknowledge.nl

1266 ms

swiper.min.css

swiper.min.css

332 ms

tippy.css

tippy.css

261 ms

gs-logo.min.css

gs-logo.min.css

277 ms

style.min.css

style.min.css

503 ms

style-index.css

style-index.css

260 ms

editor-style-shared.css

editor-style-shared.css

263 ms

rbw6yxl.css

rbw6yxl.css

81 ms

owl.carousel.min.css

owl.carousel.min.css

282 ms

frontend.min.css

frontend.min.css

493 ms

flatpickr.min.css

flatpickr.min.css

345 ms

select2.min.css

select2.min.css

432 ms

ivory-search.min.css

ivory-search.min.css

358 ms

style.css

style.css

371 ms

style.css

style.css

431 ms

child-theme.css

child-theme.css

535 ms

bootstrap.min.css

bootstrap.min.css

728 ms

font-awesome.min.css

font-awesome.min.css

518 ms

material-design-iconic-font.min.css

material-design-iconic-font.min.css

603 ms

magnific-popup.css

magnific-popup.css

575 ms

YouTubePopUp.css

YouTubePopUp.css

581 ms

theme.css

theme.css

691 ms

menu.css

menu.css

623 ms

css

css

40 ms

style.css

style.css

655 ms

js_composer.min.css

js_composer.min.css

912 ms

jquery.min.js

jquery.min.js

772 ms

jquery-migrate.min.js

jquery-migrate.min.js

710 ms

owl.carousel.min.js

owl.carousel.min.js

736 ms

flatpickr.min.js

flatpickr.min.js

774 ms

select2.min.js

select2.min.js

887 ms

child-theme.js

child-theme.js

814 ms

css

css

19 ms

p.css

p.css

33 ms

css

css

19 ms

animate.min.css

animate.min.css

698 ms

rs6.css

rs6.css

737 ms

swiper.min.js

swiper.min.js

741 ms

tippy-bundle.umd.min.js

tippy-bundle.umd.min.js

783 ms

images-loaded.min.js

images-loaded.min.js

780 ms

gs-logo.min.js

gs-logo.min.js

859 ms

rbtools.min.js

rbtools.min.js

853 ms

rs6.min.js

rs6.min.js

1164 ms

cms-front.js

cms-front.js

789 ms

cms-front-carousel.js

cms-front-carousel.js

778 ms

frontend.min.js

frontend.min.js

774 ms

bootstrap.min.js

bootstrap.min.js

781 ms

nice-select.min.js

nice-select.min.js

832 ms

enscroll.js

enscroll.js

881 ms

match-height-min.js

match-height-min.js

869 ms

magnific-popup.min.js

magnific-popup.min.js

856 ms

main.js

main.js

796 ms

YouTubePopUp.jquery.js

YouTubePopUp.jquery.js

794 ms

ivory-search.min.js

ivory-search.min.js

857 ms

js_composer_front.min.js

js_composer_front.min.js

850 ms

vc-waypoints.min.js

vc-waypoints.min.js

834 ms

asyncdc.min.js

asyncdc.min.js

821 ms

gtm.js

gtm.js

303 ms

the-Knowledge-1.png

the-Knowledge-1.png

385 ms

dummy.png

dummy.png

473 ms

Veiligheid-op-de-werkvloer-staat-voorop-1.png

Veiligheid-op-de-werkvloer-staat-voorop-1.png

473 ms

Meer-dan-35-logistieke-opleidingen.png

Meer-dan-35-logistieke-opleidingen.png

473 ms

Flexibele-opleidingsvormen.png

Flexibele-opleidingsvormen.png

474 ms

Flexibele-opleidingsvormen-1.png

Flexibele-opleidingsvormen-1.png

473 ms

BOSCH.jpg

BOSCH.jpg

474 ms

Ben-en-jerrys.jpg

Ben-en-jerrys.jpg

503 ms

Coca-cola.jpg

Coca-cola.jpg

506 ms

Aviko.jpg

Aviko.jpg

513 ms

Logistique.jpg

Logistique.jpg

514 ms

Tesla.jpg

Tesla.jpg

519 ms

decathlon.jpg

decathlon.jpg

525 ms

ASML.jpg

ASML.jpg

584 ms

Mars.jpg

Mars.jpg

588 ms

FujiFilm.jpg

FujiFilm.jpg

598 ms

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the-Knowledge.png

602 ms

Tk-Nederland-locaties-aug-2022.png

Tk-Nederland-locaties-aug-2022.png

607 ms

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KFOmCnqEu92Fr1Mu4mxP.ttf

232 ms

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236 ms

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235 ms

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236 ms

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235 ms

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235 ms

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235 ms

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237 ms

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238 ms

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

238 ms

Material-Design-Iconic-Font.woff

Material-Design-Iconic-Font.woff

555 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

610 ms

pxiByp8kv8JHgFVrLCz7Z1JlEA.ttf

pxiByp8kv8JHgFVrLCz7Z1JlEA.ttf

236 ms

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236 ms

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238 ms

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237 ms

d

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16 ms

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79 ms

Incompany-en-maatwerkopleidingen.jpg

Incompany-en-maatwerkopleidingen.jpg

607 ms

Waarom-kiezen-voor-The-Knowledge.jpg

Waarom-kiezen-voor-The-Knowledge.jpg

618 ms

Accessibility Review

theknowledge.nl accessibility score

80

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

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

theknowledge.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Page has valid source maps

SEO Factors

theknowledge.nl SEO score

93

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

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 Theknowledge.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 Theknowledge.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

theknowledge.nl

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