Tools & Wizards About Us
zeilklippers.nl screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

zeilklippers.nl

Zeilklippers – Start an adventure on a unique sailing clipper

Page Load Speed

4.6 sec in total

First Response

334 ms

Resources Loaded

4 sec

Page Rendered

267 ms

zeilklippers.nl screenshot

About Website

Click here to check amazing Zeilklippers content. Otherwise, check out these important facts you probably never knew about zeilklippers.nl

With Zeilklippers.nl you will be assured of a pleasant stay on board of a sailing ship , enjoy beautiful harbours and a unique Dutch bond with water

Visit zeilklippers.nl

Key Findings

We analyzed Zeilklippers.nl page load time and found that the first response time was 334 ms and then it took 4.2 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

zeilklippers.nl performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value1,250 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.114

86/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

zeilklippers.nl

334 ms

www.zeilklippers.nl

898 ms

081e6fb58a721574b6aa15743be995a5.css

219 ms

5fc76fa1a51ab38005eb29a664659643.css

221 ms

css_f283e7c78ad37b29be4256d063257405_0.css

224 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 82% of them (32 requests) were addressed to the original Zeilklippers.nl, 5% (2 requests) were made to Googleadservices.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Zeilklippers.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 305.7 kB (44%)

Content Size

697.0 kB

After Optimization

391.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zeilklippers.nl main page is 697.0 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 316.1 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 111.9 kB

  • Original 127.2 kB
  • After minification 123.5 kB
  • After compression 15.2 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 111.9 kB or 88% of the original size.

Image Optimization

-8%

Potential reduce by 24.1 kB

  • Original 316.1 kB
  • After minification 291.9 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. Zeilklippers images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 70.0 kB

  • Original 130.3 kB
  • After minification 126.3 kB
  • After compression 60.3 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 70.0 kB or 54% of the original size.

CSS Optimization

-81%

Potential reduce by 99.6 kB

  • Original 123.5 kB
  • After minification 122.9 kB
  • After compression 23.9 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. Zeilklippers.nl needs all CSS files to be minified and compressed as it can save up to 99.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (43%)

Requests Now

35

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zeilklippers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zeilklippers.nl

zeilklippers.nl

334 ms

www.zeilklippers.nl

www.zeilklippers.nl

898 ms

081e6fb58a721574b6aa15743be995a5.css

081e6fb58a721574b6aa15743be995a5.css

219 ms

5fc76fa1a51ab38005eb29a664659643.css

5fc76fa1a51ab38005eb29a664659643.css

221 ms

css_f283e7c78ad37b29be4256d063257405_0.css

css_f283e7c78ad37b29be4256d063257405_0.css

224 ms

css_982e9928ba69a696ef3b6ae4f493867e_0.css

css_982e9928ba69a696ef3b6ae4f493867e_0.css

228 ms

css_0d769be784ec1d462c943df1839988bc_0.css

css_0d769be784ec1d462c943df1839988bc_0.css

334 ms

css_895e4b825c9fa6788e62d1a524c36f5e_0.css

css_895e4b825c9fa6788e62d1a524c36f5e_0.css

543 ms

jquery.min.js

jquery.min.js

6 ms

js_503028ca2b1c9d42b235e5c17e568d0d_0.js

js_503028ca2b1c9d42b235e5c17e568d0d_0.js

437 ms

js_a0f16c2653d821a5901e751f8793c962_0.js

js_a0f16c2653d821a5901e751f8793c962_0.js

439 ms

js_d6e9d1d73332649a0b9e512ccca1c40d_0.js

js_d6e9d1d73332649a0b9e512ccca1c40d_0.js

440 ms

js_1db64c583403f02ffa65433c8bd86966_0.js

js_1db64c583403f02ffa65433c8bd86966_0.js

761 ms

conversion.js

conversion.js

15 ms

js_50821e96760e6ca5a447bf468a04ade4_0.js

js_50821e96760e6ca5a447bf468a04ade4_0.js

326 ms

js_befac472a079e560f6bbe850d1b56f3c_0.js

js_befac472a079e560f6bbe850d1b56f3c_0.js

340 ms

js_3d2a3d6e630b5ca1e1c8176372da24dd_0.js

js_3d2a3d6e630b5ca1e1c8176372da24dd_0.js

341 ms

logo.png

logo.png

131 ms

23.jpg

23.jpg

445 ms

22.jpg

22.jpg

582 ms

19.jpg

19.jpg

581 ms

submit-button-bg-wide.jpg

submit-button-bg-wide.jpg

232 ms

pieperrace03.jpg

pieperrace03.jpg

569 ms

klipper_89470008.jpg

klipper_89470008.jpg

701 ms

hg-input-icons.png

hg-input-icons.png

454 ms

sfeer_080bklein.jpg

sfeer_080bklein.jpg

1012 ms

enjoy_the_freedom_of_sailing.jpg

enjoy_the_freedom_of_sailing.jpg

1118 ms

dsc01097.jpg

dsc01097.jpg

922 ms

icons.png

icons.png

919 ms

62 ms

ga.js

ga.js

40 ms

gradient.png

gradient.png

752 ms

ZK-even-geduld.gif

ZK-even-geduld.gif

1490 ms

hg-body.jpg

hg-body.jpg

2089 ms

hg-main-nav.jpg

hg-main-nav.jpg

1082 ms

__utm.gif

__utm.gif

14 ms

27 ms

40 ms

css_b7b6dc28e85a4b94f172aa7d529c5c95_0.css

css_b7b6dc28e85a4b94f172aa7d529c5c95_0.css

225 ms

Accessibility Review

zeilklippers.nl accessibility score

90

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

zeilklippers.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

zeilklippers.nl SEO score

84

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

High

robots.txt is not valid

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

    EN

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zeilklippers.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Zeilklippers.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

zeilklippers.nl

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