Tools & Wizards About Us
opeigenkracht.nl screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

opeigenkracht.nl

Toonaangevend in agressie en weerbaarheid. Op Eigen Kracht Nederland

Page Load Speed

2.9 sec in total

First Response

624 ms

Resources Loaded

1.9 sec

Page Rendered

310 ms

opeigenkracht.nl screenshot

About Website

Visit opeigenkracht.nl now to see the best up-to-date Op Eigen Kracht content and also check out these interesting facts you probably never knew about opeigenkracht.nl

Experts op het gebied van agressie en weerbaarheidstraining. Optimaal leer rendement door praktijk educatie in een veilige leeromgeving met persoonlijke aandacht. Welkom bij Bureau Op Eigen Kracht

Visit opeigenkracht.nl

Key Findings

We analyzed Opeigenkracht.nl page load time and found that the first response time was 624 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

opeigenkracht.nl performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value4,030 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.6 s

3/100

10%

Network Requests Diagram

opeigenkracht.nl

624 ms

jquery-1.4.1.js

599 ms

jquery-ui-1.7.2.custom.min.js

539 ms

SpryValidation.js

654 ms

SpryValidation.css

360 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 93% of them (27 requests) were addressed to the original Opeigenkracht.nl, 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (665 ms) belongs to the original domain Opeigenkracht.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 404.7 kB (40%)

Content Size

1.0 MB

After Optimization

606.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Opeigenkracht.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. 25% of websites need less resources to load. Images take 599.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 15.7 kB

  • Original 20.0 kB
  • After minification 17.8 kB
  • After compression 4.2 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. This page needs HTML code to be minified as it can gain 2.2 kB, which is 11% 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 15.7 kB or 79% of the original size.

Image Optimization

-15%

Potential reduce by 90.1 kB

  • Original 599.1 kB
  • After minification 509.1 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. Obviously, Op Eigen Kracht needs image optimization as it can save up to 90.1 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-76%

Potential reduce by 273.2 kB

  • Original 361.3 kB
  • After minification 332.0 kB
  • After compression 88.1 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 273.2 kB or 76% of the original size.

CSS Optimization

-83%

Potential reduce by 25.8 kB

  • Original 31.2 kB
  • After minification 23.2 kB
  • After compression 5.4 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. Opeigenkracht.nl needs all CSS files to be minified and compressed as it can save up to 25.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (44%)

Requests Now

25

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Op Eigen Kracht. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

opeigenkracht.nl

opeigenkracht.nl

624 ms

jquery-1.4.1.js

jquery-1.4.1.js

599 ms

jquery-ui-1.7.2.custom.min.js

jquery-ui-1.7.2.custom.min.js

539 ms

SpryValidation.js

SpryValidation.js

654 ms

SpryValidation.css

SpryValidation.css

360 ms

jquery.fancybox-1.3.4.js

jquery.fancybox-1.3.4.js

556 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

366 ms

jquery.blockUI.js

jquery.blockUI.js

544 ms

blockUI.css

blockUI.css

460 ms

jquery.nivo.slider.js

jquery.nivo.slider.js

559 ms

nivo-slider.css

nivo-slider.css

632 ms

default.css

default.css

665 ms

default.js

default.js

665 ms

bo.jpg

bo.jpg

258 ms

achtergrond.jpg

achtergrond.jpg

103 ms

logo.gif

logo.gif

101 ms

foto_klein_4.jpg

foto_klein_4.jpg

99 ms

btn_over.gif

btn_over.gif

92 ms

foto_groot_4.jpg

foto_groot_4.jpg

278 ms

contentlinks.gif

contentlinks.gif

108 ms

viewdbimg.asp

viewdbimg.asp

191 ms

pijltjenaarrechts.gif

pijltjenaarrechts.gif

192 ms

viewdbimg.asp

viewdbimg.asp

314 ms

viewdbimg.asp

viewdbimg.asp

317 ms

ga.js

ga.js

14 ms

__utm.gif

__utm.gif

14 ms

155_____.jpg

155_____.jpg

264 ms

156_____.jpg

156_____.jpg

375 ms

154_____.jpg

154_____.jpg

381 ms

Accessibility Review

opeigenkracht.nl accessibility score

86

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

<frame> or <iframe> elements do not have a title

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

Best Practices

opeigenkracht.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

opeigenkracht.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

    ISO-8859-1

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

opeigenkracht.nl

Open Graph description is not detected on the main page of Op Eigen Kracht. 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: