Tools & Wizards About Us
vanlodenstein.nl screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

vanlodenstein.nl

Van Lodenstein College

Page Load Speed

6.2 sec in total

First Response

346 ms

Resources Loaded

4.4 sec

Page Rendered

1.5 sec

vanlodenstein.nl screenshot

About Website

Welcome to vanlodenstein.nl homepage info - get ready to check Van Lodenstein best content for Netherlands right away, or after learning these important things about vanlodenstein.nl

Het Van Lodenstein College biedt Praktijkonderwijs, vmbo, havo en vwo. Locaties in Amersfoort, Barneveld, Ede, Hoevelaken en Kesteren.

Visit vanlodenstein.nl

Key Findings

We analyzed Vanlodenstein.nl page load time and found that the first response time was 346 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

vanlodenstein.nl performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value13,550 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.095

91/100

15%

TTI (Time to Interactive)

Value21.6 s

1/100

10%

Network Requests Diagram

vanlodenstein.nl

346 ms

vanlodenstein.nl

458 ms

jquery-1.12.1.min.js

206 ms

nedbase-afas-sollicitatie-public.js

299 ms

js

132 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 80% of them (39 requests) were addressed to the original Vanlodenstein.nl, 8% (4 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (999 ms) belongs to the original domain Vanlodenstein.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 42.6 kB (5%)

Content Size

862.3 kB

After Optimization

819.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Vanlodenstein.nl main page is 862.3 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. 70% of websites need less resources to load. Images take 813.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 39.2 kB

  • Original 48.3 kB
  • After minification 45.4 kB
  • After compression 9.1 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 39.2 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 3.4 kB

  • Original 813.5 kB
  • After minification 810.1 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. Van Lodenstein images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 50 B

  • Original 602 B
  • After minification 602 B
  • After compression 552 B

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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 25 (60%)

Requests Now

42

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Van Lodenstein. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vanlodenstein.nl

vanlodenstein.nl

346 ms

vanlodenstein.nl

vanlodenstein.nl

458 ms

jquery-1.12.1.min.js

jquery-1.12.1.min.js

206 ms

nedbase-afas-sollicitatie-public.js

nedbase-afas-sollicitatie-public.js

299 ms

js

js

132 ms

index.js

index.js

764 ms

index.js

index.js

767 ms

polls-js.js

polls-js.js

767 ms

wpsm-script.js

wpsm-script.js

757 ms

jquery.easydropdown.min.js

jquery.easydropdown.min.js

755 ms

jquery.sudoSlider.js

jquery.sudoSlider.js

758 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

748 ms

respond.min.js

respond.min.js

749 ms

script.js

script.js

748 ms

api.js

api.js

125 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

721 ms

wp-polyfill.min.js

wp-polyfill.min.js

722 ms

index.js

index.js

722 ms

logo.svg

logo.svg

476 ms

search.svg

search.svg

491 ms

logo-white.svg

logo-white.svg

501 ms

flag.png

flag.png

500 ms

searchWhite.svg

searchWhite.svg

505 ms

cropped-VLCA-011020-2227.jpg

cropped-VLCA-011020-2227.jpg

999 ms

arrow.svg

arrow.svg

502 ms

A-De-school-880x500.jpg

A-De-school-880x500.jpg

579 ms

VLB-880x500.jpg

VLB-880x500.jpg

575 ms

VLE-880x500.jpg

VLE-880x500.jpg

573 ms

VLH-880x500.jpg

VLH-880x500.jpg

574 ms

VLK-gebouw-880x500.jpg

VLK-gebouw-880x500.jpg

970 ms

css

css

447 ms

style.min.css

style.min.css

456 ms

styles.css

styles.css

452 ms

nedbase-afas-sollicitatie-public.css

nedbase-afas-sollicitatie-public.css

665 ms

polls-css.css

polls-css.css

643 ms

wpsm-style.css

wpsm-style.css

573 ms

jquery.fancybox.css

jquery.fancybox.css

642 ms

style.css

style.css

573 ms

fbevents.js

fbevents.js

623 ms

recaptcha__en.js

recaptcha__en.js

858 ms

vidIcon.svg

vidIcon.svg

210 ms

pattern.svg

pattern.svg

310 ms

shadow.png

shadow.png

355 ms

249831313905577

249831313905577

369 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

273 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

311 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

307 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

299 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

299 ms

Accessibility Review

vanlodenstein.nl accessibility score

90

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

vanlodenstein.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

vanlodenstein.nl SEO score

89

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

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 Vanlodenstein.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 Vanlodenstein.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

vanlodenstein.nl

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