Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

zozijn.nl

Begeleiden, ondersteunen en ontwikkelen: We zien elkaar - Zozijn

Page Load Speed

3.1 sec in total

First Response

828 ms

Resources Loaded

2.1 sec

Page Rendered

187 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 828 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

zozijn.nl performance score

40

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)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value530 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.246

50/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

www.zozijn.nl

828 ms

css

26 ms

master.css

277 ms

modernizr-2.0.6-custom.min.js

274 ms

jquery-1.7.1.min.js

6 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 87% of them (27 requests) were addressed to the original Zozijn.nl, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (828 ms) belongs to the original domain Zozijn.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 103.3 kB (31%)

Content Size

330.0 kB

After Optimization

226.8 kB

In fact, the total size of Zozijn.nl main page is 330.0 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. 25% of websites need less resources to load. Images take 200.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 17.5 kB

  • Original 22.4 kB
  • After minification 18.7 kB
  • After compression 4.9 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 3.7 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 17.5 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 13.7 kB

  • Original 200.5 kB
  • After minification 186.8 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

-67%

Potential reduce by 72.0 kB

  • Original 107.1 kB
  • After minification 101.4 kB
  • After compression 35.1 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 72.0 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (21%)

Requests Now

28

After Optimization

22

The browser has sent 28 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 7 to 1 for JavaScripts and as a result speed up the page load time.

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

General

Impact

Issue

High

Page has valid source maps

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

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