Tools & Wizards About Us
h-l.nl screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% 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

h-l.nl

vanHarte&Lingsma - School voor Human Leadership

Page Load Speed

3.2 sec in total

First Response

425 ms

Resources Loaded

2.5 sec

Page Rendered

243 ms

h-l.nl screenshot

About Website

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

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

Visit h-l.nl

Key Findings

We analyzed H-l.nl page load time and found that the first response time was 425 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

h-l.nl performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value2,560 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.187

65/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

h-l.nl

425 ms

www.h-l.nl

793 ms

style.css

490 ms

jquery-ui.css

5 ms

jquery.min.js

7 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 70% of them (37 requests) were addressed to the original H-l.nl, 13% (7 requests) were made to Google-analytics.com and 8% (4 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (958 ms) belongs to the original domain H-l.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 129.7 kB (16%)

Content Size

804.2 kB

After Optimization

674.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of H-l.nl main page is 804.2 kB. 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 704.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 22.4 kB

  • Original 28.4 kB
  • After minification 25.5 kB
  • After compression 6.0 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 22.4 kB or 79% of the original size.

Image Optimization

-9%

Potential reduce by 63.7 kB

  • Original 704.7 kB
  • After minification 641.0 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. H L images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 12.1 kB

  • Original 33.8 kB
  • After minification 30.4 kB
  • After compression 21.6 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 12.1 kB or 36% of the original size.

CSS Optimization

-84%

Potential reduce by 31.4 kB

  • Original 37.3 kB
  • After minification 28.1 kB
  • After compression 5.9 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. H-l.nl needs all CSS files to be minified and compressed as it can save up to 31.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (34%)

Requests Now

47

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of H L. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

h-l.nl

h-l.nl

425 ms

www.h-l.nl

www.h-l.nl

793 ms

style.css

style.css

490 ms

jquery-ui.css

jquery-ui.css

5 ms

jquery.min.js

jquery.min.js

7 ms

jquery-ui.min.js

jquery-ui.min.js

8 ms

waypoints.min.js

waypoints.min.js

271 ms

jquery.scrolldepth.min.js

jquery.scrolldepth.min.js

183 ms

_base.js

_base.js

361 ms

jcarousellite_1.0.1.min.js

jcarousellite_1.0.1.min.js

187 ms

home.js

home.js

273 ms

ga.js

ga.js

79 ms

30.jpg

30.jpg

133 ms

ui-bg_inset-hard_100_fcfdfd_1x100.png

ui-bg_inset-hard_100_fcfdfd_1x100.png

21 ms

logo.png

logo.png

193 ms

linkedin.png

linkedin.png

195 ms

twitter.png

twitter.png

194 ms

facebook.png

facebook.png

194 ms

menu-bg.png

menu-bg.png

193 ms

menu-line.gif

menu-line.gif

195 ms

input.gif

input.gif

212 ms

shadow.png

shadow.png

211 ms

130-1993-lef_homepage.jpg

130-1993-lef_homepage.jpg

947 ms

131-7518-leiderschap_homepage.jpg

131-7518-leiderschap_homepage.jpg

949 ms

129-8125-vakmanschap_homepage.jpg

129-8125-vakmanschap_homepage.jpg

958 ms

132-8689-liefde_homepage.jpg

132-8689-liefde_homepage.jpg

947 ms

128-2340-duurzaamheid_homepage.jpg

128-2340-duurzaamheid_homepage.jpg

946 ms

arrow-white-left.png

arrow-white-left.png

299 ms

arrow-white-right.png

arrow-white-right.png

396 ms

row-image.png

row-image.png

493 ms

316-9248-aanleren-nieuw-gedrag.jpg

316-9248-aanleren-nieuw-gedrag.jpg

949 ms

317-8090-zakelijk_overleg2.jpg

317-8090-zakelijk_overleg2.jpg

946 ms

318-9175-reflectie.jpg

318-9175-reflectie.jpg

949 ms

row-image2.png

row-image2.png

947 ms

pinkblock-bottom.gif

pinkblock-bottom.gif

946 ms

arrow-pink-right2.png

arrow-pink-right2.png

950 ms

page-top.png

page-top.png

951 ms

footer-bg.gif

footer-bg.gif

951 ms

foot-input.gif

foot-input.gif

951 ms

input-field.gif

input-field.gif

952 ms

widget_v2.135.js

widget_v2.135.js

50 ms

itcavantgardestd-bold-webfont.woff

itcavantgardestd-bold-webfont.woff

949 ms

itcavantgardestd-bk-webfont.woff

itcavantgardestd-bk-webfont.woff

951 ms

__utm.gif

__utm.gif

24 ms

__utm.gif

__utm.gif

133 ms

__utm.gif

__utm.gif

134 ms

__utm.gif

__utm.gif

134 ms

__utm.gif

__utm.gif

135 ms

__utm.gif

__utm.gif

135 ms

collect

collect

156 ms

__$$__stringtable_lang_nl.js

__$$__stringtable_lang_nl.js

34 ms

ga-audiences

ga-audiences

48 ms

avatar_simple_visitor.png

avatar_simple_visitor.png

129 ms

Accessibility Review

h-l.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

h-l.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

h-l.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

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise H-l.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 H-l.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

h-l.nl

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