Tools & Wizards About Us
vanharte-en-lingsma.nl screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

vanharte-en-lingsma.nl

vanHarte&Lingsma - School voor Human Leadership

Page Load Speed

4.2 sec in total

First Response

483 ms

Resources Loaded

2.9 sec

Page Rendered

729 ms

vanharte-en-lingsma.nl screenshot

About Website

Welcome to vanharte-en-lingsma.nl homepage info - get ready to check VanHarte En Lingsma best content right away, or after learning these important things about vanharte-en-lingsma.nl

Sinds 1985 pionier op het gebied van leiderschap en persoonlijke ontwikkeling. Ontdek je eigen unieke potentieel tijdens de trainingen van vanHarte&Lingsma

Visit vanharte-en-lingsma.nl

Key Findings

We analyzed Vanharte-en-lingsma.nl page load time and found that the first response time was 483 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

vanharte-en-lingsma.nl performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value3,110 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.188

65/100

15%

TTI (Time to Interactive)

Value15.8 s

6/100

10%

Network Requests Diagram

vanharte-en-lingsma.nl

483 ms

www.h-l.nl

474 ms

gtm.js

112 ms

js

171 ms

app.min.css

438 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Vanharte-en-lingsma.nl, 45% (24 requests) were made to H-l.nl and 8% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (968 ms) relates to the external source H-l.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 192.1 kB (19%)

Content Size

1.0 MB

After Optimization

821.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Vanharte-en-lingsma.nl main page is 1.0 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. 60% of websites need less resources to load. Images take 726.3 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 150.8 kB

  • Original 185.0 kB
  • After minification 182.6 kB
  • After compression 34.2 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 150.8 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 726.3 kB
  • After minification 726.3 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. VanHarte En Lingsma images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 41.3 kB

  • Original 102.6 kB
  • After minification 102.6 kB
  • After compression 61.4 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 41.3 kB or 40% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (51%)

Requests Now

45

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VanHarte En Lingsma. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

vanharte-en-lingsma.nl

vanharte-en-lingsma.nl

483 ms

www.h-l.nl

www.h-l.nl

474 ms

gtm.js

gtm.js

112 ms

js

js

171 ms

app.min.css

app.min.css

438 ms

uc.js

uc.js

89 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

36 ms

dashicons.min.css

dashicons.min.css

109 ms

display-structure.css

display-structure.css

73 ms

jquery.min.js

jquery.min.js

84 ms

underscore.min.js

underscore.min.js

265 ms

backbone.min.js

backbone.min.js

486 ms

front-end-deps.js

front-end-deps.js

151 ms

api.js

api.js

53 ms

front-end.js

front-end.js

153 ms

app.min.js

app.min.js

262 ms

insight.min.js

insight.min.js

51 ms

bat.js

bat.js

42 ms

hotjar-2939237.js

hotjar-2939237.js

94 ms

js

js

134 ms

js

js

71 ms

analytics.js

analytics.js

16 ms

collect

collect

33 ms

modules.01a02f6e8b126e8c8358.js

modules.01a02f6e8b126e8c8358.js

17 ms

collect

collect

93 ms

ga-audiences

ga-audiences

39 ms

hotjar-2792031.js

hotjar-2792031.js

121 ms

logo-vhl.svg

logo-vhl.svg

113 ms

2018-08-29_VHL_Corporate_0480-1-scaled.jpg

2018-08-29_VHL_Corporate_0480-1-scaled.jpg

663 ms

Online-proeverij-maak-kennis-met-onze-trainingen.jpg

Online-proeverij-maak-kennis-met-onze-trainingen.jpg

603 ms

assessment.jpg

assessment.jpg

593 ms

kleurvlak-roze.png

kleurvlak-roze.png

361 ms

trainers.png

trainers.png

804 ms

278-6441-angst-voor-de-liefde.jpg

278-6441-angst-voor-de-liefde.jpg

629 ms

NRTO-logo-01-transparant-1024x370-1.png

NRTO-logo-01-transparant-1024x370-1.png

369 ms

cc.js

cc.js

269 ms

heart.svg

heart.svg

654 ms

heart-white.svg

heart-white.svg

586 ms

bc-v4.min.html

bc-v4.min.html

102 ms

asset_composer.js

asset_composer.js

258 ms

0d234bd3-9c8d-4526-b304-1e568279f744.js

0d234bd3-9c8d-4526-b304-1e568279f744.js

688 ms

ITCAvantGardeStd-Bk.woff

ITCAvantGardeStd-Bk.woff

924 ms

ITCAvantGardeStd-Demi.woff

ITCAvantGardeStd-Demi.woff

932 ms

ITCAvantGardeStd-Bold.woff

ITCAvantGardeStd-Bold.woff

968 ms

ionicons.ttf

ionicons.ttf

799 ms

recaptcha__nl.js

recaptcha__nl.js

209 ms

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

46 ms

IbrthyXHysNkZOGqWs27DYlGxfxyzali

IbrthyXHysNkZOGqWs27DYlGxfxyzali

183 ms

visit-data

visit-data

464 ms

,

,

84 ms

17 ms

widget_v2.334.js

widget_v2.334.js

19 ms

__$$__stringtable_lang_nl.js

__$$__stringtable_lang_nl.js

19 ms

Accessibility Review

vanharte-en-lingsma.nl accessibility score

65

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

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

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

High

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

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

vanharte-en-lingsma.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

Page has valid source maps

SEO Factors

vanharte-en-lingsma.nl SEO score

83

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vanharte-en-lingsma.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Vanharte-en-lingsma.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

vanharte-en-lingsma.nl

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