Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

ckc-zoetermeer.nl

CKC Zoetermeer - Kunst, cultuur en techniek voor iedere Zoetermeerder

Page Load Speed

4.9 sec in total

First Response

273 ms

Resources Loaded

4 sec

Page Rendered

614 ms

ckc-zoetermeer.nl screenshot

About Website

Click here to check amazing CKC Zoetermeer content for Netherlands. Otherwise, check out these important facts you probably never knew about ckc-zoetermeer.nl

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Key Findings

We analyzed Ckc-zoetermeer.nl page load time and found that the first response time was 273 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

ckc-zoetermeer.nl performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value18.8 s

0/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.816

4/100

15%

TTI (Time to Interactive)

Value20.5 s

2/100

10%

Network Requests Diagram

ckc-zoetermeer.nl

273 ms

www.ckc-zoetermeer.nl

1087 ms

calendar-win2k-1.css

86 ms

styles.css

341 ms

widgets.css

174 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 54% of them (58 requests) were addressed to the original Ckc-zoetermeer.nl, 27% (29 requests) were made to Pbs.twimg.com and 5% (5 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Ckc-zoetermeer.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (30%)

Content Size

6.1 MB

After Optimization

4.3 MB

In fact, the total size of Ckc-zoetermeer.nl main page is 6.1 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 54.5 kB

  • Original 66.6 kB
  • After minification 57.7 kB
  • After compression 12.2 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 8.9 kB, which is 13% 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 54.5 kB or 82% of the original size.

Image Optimization

-7%

Potential reduce by 300.6 kB

  • Original 4.1 MB
  • After minification 3.8 MB

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. CKC Zoetermeer images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 1.2 MB

  • Original 1.6 MB
  • After minification 1.3 MB
  • After compression 382.6 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 1.2 MB or 76% of the original size.

CSS Optimization

-84%

Potential reduce by 227.9 kB

  • Original 271.5 kB
  • After minification 220.9 kB
  • After compression 43.6 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. Ckc-zoetermeer.nl needs all CSS files to be minified and compressed as it can save up to 227.9 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (43%)

Requests Now

105

After Optimization

60

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CKC Zoetermeer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ckc-zoetermeer.nl accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes are not valid or misspelled

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

Links do not have a discernible name

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

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

ckc-zoetermeer.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

SEO Factors

ckc-zoetermeer.nl SEO score

88

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ckc-zoetermeer.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 Ckc-zoetermeer.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 CKC Zoetermeer. 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: