Tools & Wizards About Us
infotheek.nl screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

infotheek.nl

Solutions Centralpoint - Grootste IT-reseller van de Benelux - Wij adviseren u graag!

Page Load Speed

9.7 sec in total

First Response

2.2 sec

Resources Loaded

6.6 sec

Page Rendered

911 ms

infotheek.nl screenshot

About Website

Click here to check amazing Infotheek content. Otherwise, check out these important facts you probably never knew about infotheek.nl

Centralpoint is de grootste merkonafhankelijke IT-leverancier van de Benelux en specialist in IT-oplossingen voor organisaties. Get IT done.

Visit infotheek.nl

Key Findings

We analyzed Infotheek.nl page load time and found that the first response time was 2.2 sec and then it took 7.5 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

infotheek.nl performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value16.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.5 s

0/100

25%

SI (Speed Index)

Value30.7 s

0/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value22.0 s

1/100

10%

Network Requests Diagram

infotheek.com

2221 ms

language-selector.css

173 ms

layerslider.css

273 ms

css

114 ms

styles.css

275 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Infotheek.nl, 8% (7 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Infotheek.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.1 MB (36%)

Content Size

5.9 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Infotheek.nl main page is 5.9 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 213.1 kB

  • Original 250.7 kB
  • After minification 246.1 kB
  • After compression 37.6 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 213.1 kB or 85% of the original size.

Image Optimization

-18%

Potential reduce by 755.0 kB

  • Original 4.1 MB
  • After minification 3.4 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. Obviously, Infotheek needs image optimization as it can save up to 755.0 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 651.6 kB

  • Original 933.0 kB
  • After minification 930.5 kB
  • After compression 281.5 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 651.6 kB or 70% of the original size.

CSS Optimization

-88%

Potential reduce by 473.4 kB

  • Original 536.2 kB
  • After minification 444.1 kB
  • After compression 62.8 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. Infotheek.nl needs all CSS files to be minified and compressed as it can save up to 473.4 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (33%)

Requests Now

73

After Optimization

49

  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Infotheek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

infotheek.com

infotheek.com

2221 ms

language-selector.css

language-selector.css

173 ms

layerslider.css

layerslider.css

273 ms

css

css

114 ms

styles.css

styles.css

275 ms

tp_twitter_plugin.css

tp_twitter_plugin.css

275 ms

plugin-styles.css

plugin-styles.css

281 ms

video-js.css

video-js.css

94 ms

css

css

127 ms

style.css

style.css

433 ms

font-awesome.css

font-awesome.css

280 ms

ilightbox.css

ilightbox.css

357 ms

animations.css

animations.css

355 ms

greensock.js

greensock.js

468 ms

jquery.js

jquery.js

488 ms

jquery-migrate.min.js

jquery-migrate.min.js

371 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

487 ms

layerslider.transitions.js

layerslider.transitions.js

486 ms

60876.js

60876.js

215 ms

jquery.form.min.js

jquery.form.min.js

401 ms

scripts.js

scripts.js

576 ms

comment-reply.min.js

comment-reply.min.js

575 ms

main.min.js

main.min.js

908 ms

wp-embed.min.js

wp-embed.min.js

575 ms

sitepress.js

sitepress.js

573 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

476 ms

analytics.js

analytics.js

198 ms

wallpaper_25years_bunny.jpg

wallpaper_25years_bunny.jpg

925 ms

infotheek_web_logo_sd1.png

infotheek_web_logo_sd1.png

389 ms

nfotheek_web_logo_hd1.png

nfotheek_web_logo_hd1.png

389 ms

nl.png

nl.png

390 ms

en.png

en.png

387 ms

home_img_AS_250x150.png

home_img_AS_250x150.png

773 ms

home_img_ES_250x150.png

home_img_ES_250x150.png

770 ms

home_img_FLEX_250x150.png

home_img_FLEX_250x150.png

770 ms

home_img_sector-bus_250x150.png

home_img_sector-bus_250x150.png

776 ms

home_img_sector-edu_250x150.png

home_img_sector-edu_250x150.png

770 ms

home_img_sector-gov_250x150.png

home_img_sector-gov_250x150.png

779 ms

home_img_sector-hlc_250x150.png

home_img_sector-hlc_250x150.png

773 ms

icon_references_538.jpg

icon_references_538.jpg

772 ms

icon_references_bax-shop.jpg

icon_references_bax-shop.jpg

773 ms

icon_references_bol.jpg

icon_references_bol.jpg

775 ms

icon_references_shell.jpg

icon_references_shell.jpg

775 ms

icon_references_transavia.jpg

icon_references_transavia.jpg

775 ms

shoeby.jpg

shoeby.jpg

776 ms

download-1.jpg

download-1.jpg

777 ms

primera_logo-2000x847.jpg

primera_logo-2000x847.jpg

790 ms

pizza-1.jpg

pizza-1.jpg

933 ms

schooljudo-slider-fin.jpg

schooljudo-slider-fin.jpg

879 ms

2016-03-08_4L_news_Michael-Boot.jpg

2016-03-08_4L_news_Michael-Boot.jpg

890 ms

Shell-Eco-Marathon-1.jpg

Shell-Eco-Marathon-1.jpg

996 ms

home_img_NWSLTR_250x1501.png

home_img_NWSLTR_250x1501.png

855 ms

page_img_infotheek-careers_UyP.jpg

page_img_infotheek-careers_UyP.jpg

937 ms

img_logo_awards_bmc.png

img_logo_awards_bmc.png

961 ms

img_logo_awards_eoy.png

img_logo_awards_eoy.png

994 ms

img_logo_awards_computable.png

img_logo_awards_computable.png

996 ms

img_logo_awards_gazellen.png

img_logo_awards_gazellen.png

1010 ms

img_logo_awards_crn.png

img_logo_awards_crn.png

966 ms

img_logo_awards_hp-poy.png

img_logo_awards_hp-poy.png

990 ms

Untitled-4.jpg

Untitled-4.jpg

1018 ms

Untitled-3.jpg

Untitled-3.jpg

1020 ms

Untitled-2.jpg

Untitled-2.jpg

1019 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

25 ms

DXI1ORHCpsQm3Vp6mXoaTdqQynqKV_9Plp7mupa0S4g.ttf

DXI1ORHCpsQm3Vp6mXoaTdqQynqKV_9Plp7mupa0S4g.ttf

322 ms

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

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326 ms

MG9KbUZFchDs94Tbv9U-paCWcynf_cDxXwCLxiixG1c.ttf

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324 ms

uDssvmXgp7Nj3i336k_dSonF5uFdDttMLvmWuJdhhgs.ttf

uDssvmXgp7Nj3i336k_dSonF5uFdDttMLvmWuJdhhgs.ttf

326 ms

collect

collect

304 ms

icomoon.woff

icomoon.woff

706 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

721 ms

Untitled-5.jpg

Untitled-5.jpg

755 ms

Untitled-7.jpg

Untitled-7.jpg

761 ms

Untitled-6.jpg

Untitled-6.jpg

763 ms

Logo-Platinum-Partner-Synergy-Portal-300x96.jpg

Logo-Platinum-Partner-Synergy-Portal-300x96.jpg

385 ms

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Untitled-10.jpg

398 ms

Untitled-11.jpg

Untitled-11.jpg

414 ms

banneregg.jpg

banneregg.jpg

239 ms

slider_asset-recovery-management.jpg

slider_asset-recovery-management.jpg

120 ms

home-slider-IT4Kids-1-1024x3722.jpg

home-slider-IT4Kids-1-1024x3722.jpg

274 ms

2016-03-15_banner_lenovo-apc.jpg

2016-03-15_banner_lenovo-apc.jpg

200 ms

offerte-check.jpg

offerte-check.jpg

223 ms

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8 ms

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PRmiXeptR36kaC0GEAetxp_TkvowlIOtbR7ePgFOpF4.ttf

7 ms

Accessibility Review

infotheek.nl accessibility score

88

Accessibility Issues

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.

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

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

infotheek.nl best practices score

83

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

SEO Factors

infotheek.nl SEO score

96

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

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 Infotheek.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 Infotheek.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

infotheek.nl

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