Tools & Wizards About Us
zozijn.nl screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

zozijn.nl

Begeleiden, ondersteunen en ontwikkelen: We zien elkaar - Zozijn

Page Load Speed

4.6 sec in total

First Response

284 ms

Resources Loaded

3.9 sec

Page Rendered

384 ms

zozijn.nl screenshot

About Website

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

Onze begeleiding en ondersteuning zorgt ervoor dat mensen met een beperking zoveel mogelijk deelnemen aan de samenleving en zich kunnen ontwikkelen.

Visit zozijn.nl

Key Findings

We analyzed Zozijn.nl page load time and found that the first response time was 284 ms and then it took 4.3 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

zozijn.nl performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.469

18/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

Network Requests Diagram

zozijn.nl

284 ms

zozijn.nl

376 ms

www.zozijn.nl

1496 ms

analytics.js

26 ms

js

101 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 90% of them (36 requests) were addressed to the original Zozijn.nl, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Zozijn.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.7 kB (10%)

Content Size

738.0 kB

After Optimization

662.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zozijn.nl main page is 738.0 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. 20% of websites need less resources to load. Images take 530.2 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 75.3 kB

  • Original 87.0 kB
  • After minification 60.8 kB
  • After compression 11.7 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 26.2 kB, which is 30% 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 75.3 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 530.2 kB
  • After minification 530.2 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. Zozijn images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 340 B

  • Original 107.8 kB
  • After minification 107.8 kB
  • After compression 107.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 56 B

  • Original 12.9 kB
  • After minification 12.9 kB
  • After compression 12.9 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. Zozijn.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (53%)

Requests Now

34

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zozijn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zozijn.nl

zozijn.nl

284 ms

zozijn.nl

zozijn.nl

376 ms

www.zozijn.nl

www.zozijn.nl

1496 ms

analytics.js

analytics.js

26 ms

js

js

101 ms

main-3faf824bf3.css

main-3faf824bf3.css

166 ms

webReader.js

webReader.js

681 ms

app-fdcac9405b.js

app-fdcac9405b.js

250 ms

modules-32565c0760.js

modules-32565c0760.js

446 ms

collect

collect

13 ms

logo-clean.svg

logo-clean.svg

108 ms

toggle-search.svg

toggle-search.svg

110 ms

phone-black.svg

phone-black.svg

113 ms

arrow-pink-right.svg

arrow-pink-right.svg

110 ms

phone.svg

phone.svg

167 ms

enveloppe.svg

enveloppe.svg

179 ms

logo.svg

logo.svg

182 ms

search.svg

search.svg

187 ms

arrow-black-right.svg

arrow-black-right.svg

250 ms

share.svg

share.svg

268 ms

people.svg

people.svg

270 ms

phone-white.svg

phone-white.svg

272 ms

enveloppe-white.svg

enveloppe-white.svg

279 ms

wezienelkaar.svg

wezienelkaar.svg

282 ms

phone-large.svg

phone-large.svg

334 ms

enveloppe-large.svg

enveloppe-large.svg

356 ms

route.svg

route.svg

359 ms

arrow-white-small-down.svg

arrow-white-small-down.svg

340 ms

arrow-white.svg

arrow-white.svg

319 ms

Avenir-Roman.woff

Avenir-Roman.woff

416 ms

Avenir-Book.woff

Avenir-Book.woff

471 ms

Avenir-Heavy.woff

Avenir-Heavy.woff

508 ms

calendar.svg

calendar.svg

371 ms

facebook.svg

facebook.svg

348 ms

youtube.svg

youtube.svg

356 ms

instagram.svg

instagram.svg

451 ms

linkedin.svg

linkedin.svg

454 ms

KJ-De-Speeldoos-3_180628_084547_2021-04-26-125842.jpg

KJ-De-Speeldoos-3_180628_084547_2021-04-26-125842.jpg

993 ms

video.jpg

video.jpg

431 ms

Diana-Tadema-landscape.jpg

Diana-Tadema-landscape.jpg

606 ms

Accessibility Review

zozijn.nl accessibility score

94

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

Links do not have a discernible name

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>).

Best Practices

zozijn.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

SEO Factors

zozijn.nl SEO score

100

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

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 Zozijn.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 Zozijn.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

zozijn.nl

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