Tools & Wizards About Us
wwsv.nl screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 74

    SEO

    Google-friendlier than
    32% of websites

wwsv.nl

WWSV - Korfbalvereniging WijdeWormer en Purmerend (5 min vh centrum)

Page Load Speed

6.1 sec in total

First Response

2 sec

Resources Loaded

3.9 sec

Page Rendered

148 ms

wwsv.nl screenshot

About Website

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

Korfbal (WijdeWormer en dichtbij Purmerend) een sport voor jong en oud. Al vanaf 3 jaar kunnen uw kinderen meedoen met de KangoeroeKlup.

Visit wwsv.nl

Key Findings

We analyzed Wwsv.nl page load time and found that the first response time was 2 sec and then it took 4 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

wwsv.nl performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

5/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value1.122

1/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

wwsv.nl

2033 ms

jcemediabox.css

129 ms

style.css

245 ms

style.css

263 ms

jcemediabox.js

405 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that all of those requests were addressed to Wwsv.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Wwsv.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 642.5 kB (66%)

Content Size

979.4 kB

After Optimization

336.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wwsv.nl main page is 979.4 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. 40% of websites need less resources to load. Javascripts take 728.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 17.7 kB

  • Original 22.9 kB
  • After minification 21.8 kB
  • After compression 5.2 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 17.7 kB or 77% of the original size.

Image Optimization

-27%

Potential reduce by 38.9 kB

  • Original 142.0 kB
  • After minification 103.1 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, WWSV needs image optimization as it can save up to 38.9 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 513.2 kB

  • Original 728.5 kB
  • After minification 703.1 kB
  • After compression 215.4 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 513.2 kB or 70% of the original size.

CSS Optimization

-85%

Potential reduce by 72.8 kB

  • Original 86.0 kB
  • After minification 72.9 kB
  • After compression 13.2 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. Wwsv.nl needs all CSS files to be minified and compressed as it can save up to 72.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (47%)

Requests Now

38

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of WWSV. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

wwsv.nl

wwsv.nl

2033 ms

jcemediabox.css

jcemediabox.css

129 ms

style.css

style.css

245 ms

style.css

style.css

263 ms

jcemediabox.js

jcemediabox.js

405 ms

mootools-core.js

mootools-core.js

449 ms

core.js

core.js

410 ms

mootools-more.js

mootools-more.js

668 ms

jquery.min.js

jquery.min.js

601 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

377 ms

jquery.mobile.customized.min.js

jquery.mobile.customized.min.js

737 ms

camera.min.js

camera.min.js

527 ms

default.js

default.js

535 ms

system.css

system.css

584 ms

general.css

general.css

643 ms

template.css

template.css

713 ms

template.responsive.css

template.responsive.css

713 ms

jquery.js

jquery.js

835 ms

script.js

script.js

764 ms

script.responsive.js

script.responsive.js

782 ms

system.css

system.css

121 ms

header.png

header.png

163 ms

menuseparator.png

menuseparator.png

160 ms

spacer.gif

spacer.gif

153 ms

5.jpg

5.jpg

151 ms

Logo.png

Logo.png

161 ms

korfbal.jpg

korfbal.jpg

264 ms

Logo_rugzak_zw_v2_vierkant.jpg

Logo_rugzak_zw_v2_vierkant.jpg

272 ms

nicopoellogo.jpg

nicopoellogo.jpg

272 ms

dlaanbv.jpg

dlaanbv.jpg

281 ms

elektra.jpg

elektra.jpg

398 ms

niekkonijn.jpg

niekkonijn.jpg

278 ms

muta.jpg

muta.jpg

394 ms

facebook2.png

facebook2.png

408 ms

popup.html

popup.html

371 ms

tooltip.html

tooltip.html

349 ms

camera-loader.gif

camera-loader.gif

354 ms

f0b7d97bafd32507e0665a9a7f3cf34d.jpg

f0b7d97bafd32507e0665a9a7f3cf34d.jpg

596 ms

b84025516b4617a6c97780dea743dd2d.jpg

b84025516b4617a6c97780dea743dd2d.jpg

234 ms

Accessibility Review

wwsv.nl accessibility score

64

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

wwsv.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

wwsv.nl SEO score

74

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 doesn't use 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 Wwsv.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 Wwsv.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

wwsv.nl

Open Graph description is not detected on the main page of WWSV. 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: