Tools & Wizards About Us
arendshorstopleidingen.nl screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

arendshorstopleidingen.nl

Shared IP

Page Load Speed

3.9 sec in total

First Response

977 ms

Resources Loaded

2.7 sec

Page Rendered

242 ms

arendshorstopleidingen.nl screenshot

About Website

Welcome to arendshorstopleidingen.nl homepage info - get ready to check Arendshorstopleidingen best content right away, or after learning these important things about arendshorstopleidingen.nl

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Key Findings

We analyzed Arendshorstopleidingen.nl page load time and found that the first response time was 977 ms and then it took 2.9 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

arendshorstopleidingen.nl performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

arendshorstopleidingen.nl

977 ms

mootools.js

372 ms

mootoolsfx.js

594 ms

MenuMatic_0.68.3.js

304 ms

js

763 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 97% of them (59 requests) were addressed to the original Arendshorstopleidingen.nl, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (977 ms) belongs to the original domain Arendshorstopleidingen.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 298.7 kB (25%)

Content Size

1.2 MB

After Optimization

890.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Arendshorstopleidingen.nl main page is 1.2 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. 35% of websites need less resources to load. Images take 788.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 32.1 kB

  • Original 38.6 kB
  • After minification 32.5 kB
  • After compression 6.6 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. This page needs HTML code to be minified as it can gain 6.2 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 32.1 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 14.4 kB

  • Original 788.5 kB
  • After minification 774.2 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. Arendshorstopleidingen images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 222.2 kB

  • Original 324.4 kB
  • After minification 313.6 kB
  • After compression 102.2 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 222.2 kB or 69% of the original size.

CSS Optimization

-79%

Potential reduce by 30.0 kB

  • Original 38.0 kB
  • After minification 29.5 kB
  • After compression 8.0 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. Arendshorstopleidingen.nl needs all CSS files to be minified and compressed as it can save up to 30.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (58%)

Requests Now

59

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Arendshorstopleidingen. 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

arendshorstopleidingen.nl

arendshorstopleidingen.nl

977 ms

mootools.js

mootools.js

372 ms

mootoolsfx.js

mootoolsfx.js

594 ms

MenuMatic_0.68.3.js

MenuMatic_0.68.3.js

304 ms

js

js

763 ms

default.js

default.js

221 ms

Fx.Elements.js

Fx.Elements.js

222 ms

Loop.js

Loop.js

326 ms

SlideShow.js

SlideShow.js

322 ms

formcheck.js

formcheck.js

395 ms

nl.js

nl.js

441 ms

screen.css

screen.css

533 ms

MenuMatic.css

MenuMatic.css

456 ms

layout.css

layout.css

483 ms

layout.css

layout.css

548 ms

formcheck.css

formcheck.css

540 ms

layout.css

layout.css

574 ms

Fx.Elements.js

Fx.Elements.js

625 ms

Loop.js

Loop.js

623 ms

SlideShow.js

SlideShow.js

639 ms

layout.css

layout.css

654 ms

nl.js

nl.js

674 ms

background.png

background.png

103 ms

background-top.png

background-top.png

105 ms

background-top-bevel.png

background-top-bevel.png

103 ms

arendshorst.png

arendshorst.png

104 ms

menu-sub-arrow.png

menu-sub-arrow.png

102 ms

ccb5e6ed17d711e5c70e1a3c914ed98f.jpg

ccb5e6ed17d711e5c70e1a3c914ed98f.jpg

482 ms

e7913f6dd3fc7e8fb566499300ff53c0.jpg

e7913f6dd3fc7e8fb566499300ff53c0.jpg

302 ms

8035bb9f284730b871549d928e3454ef.jpg

8035bb9f284730b871549d928e3454ef.jpg

207 ms

cursus-excel.jpg

cursus-excel.jpg

204 ms

cursus-project.jpg

cursus-project.jpg

212 ms

cursus-word.jpg

cursus-word.jpg

211 ms

9def8b7853eaa8baab03d1089e63986d.png

9def8b7853eaa8baab03d1089e63986d.png

620 ms

6f6d5260887faf4b0fe24d2d13656e9d.png

6f6d5260887faf4b0fe24d2d13656e9d.png

437 ms

af358586dbb3b656f9bf194d06249200.png

af358586dbb3b656f9bf194d06249200.png

653 ms

52b75cc75723fea8c4efb7165aa51942.png

52b75cc75723fea8c4efb7165aa51942.png

683 ms

social.png

social.png

378 ms

background-menu.png

background-menu.png

473 ms

background-menu-sides-hover.png

background-menu-sides-hover.png

504 ms

menu-seperator.png

menu-seperator.png

584 ms

background-menu-hover.png

background-menu-hover.png

573 ms

background-content.png

background-content.png

601 ms

header-numbers.png

header-numbers.png

662 ms

overlay_header.png

overlay_header.png

668 ms

input-text-left.png

input-text-left.png

683 ms

input-text-right.png

input-text-right.png

680 ms

button-blue-left.png

button-blue-left.png

720 ms

button-blue-right.png

button-blue-right.png

746 ms

office.png

office.png

745 ms

href-green-arrow-small.png

href-green-arrow-small.png

743 ms

hr.png

hr.png

763 ms

background-blocks-trhee-blue.png

background-blocks-trhee-blue.png

765 ms

href-green-arrow.png

href-green-arrow.png

809 ms

header-slide.png

header-slide.png

838 ms

overlay-locate-header-left.png

overlay-locate-header-left.png

832 ms

overlay-locate-header-right.png

overlay-locate-header-right.png

838 ms

header-description.png

header-description.png

848 ms

ga.js

ga.js

30 ms

__utm.gif

__utm.gif

13 ms

print.css

print.css

85 ms

Accessibility Review

arendshorstopleidingen.nl accessibility score

72

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

arendshorstopleidingen.nl best practices score

67

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

Browser errors were logged to the console

SEO Factors

arendshorstopleidingen.nl SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Arendshorstopleidingen.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Arendshorstopleidingen.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

arendshorstopleidingen.nl

Open Graph description is not detected on the main page of Arendshorstopleidingen. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: