Tools & Wizards About Us

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

demerenburger.nl

De Merenburger - sup -boat and canoe rental, marina and camping

Page Load Speed

8.2 sec in total

First Response

1.2 sec

Resources Loaded

5.4 sec

Page Rendered

1.6 sec

About Website

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

De Merenburger, boat, boattrailer, sup and canoe/kayak rental. For Leiden, The Hague and Rotterdam. Visit our website for more information about us.

Visit demerenburger.nl

Key Findings

We analyzed Demerenburger.nl page load time and found that the first response time was 1.2 sec and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

demerenburger.nl performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value9.7 s

29/100

10%

Network Requests Diagram

demerenburger.nl

1245 ms

1076 ms

runtime.b2a713f9.js

172 ms

main.c7bd8ae0.css

254 ms

script.f0fe76d7.js

286 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 63% of them (27 requests) were addressed to the original Demerenburger.nl, 19% (8 requests) were made to Survey.leisureking.eu and 5% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Survey.leisureking.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.2 kB (1%)

Content Size

4.0 MB

After Optimization

4.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Demerenburger.nl main page is 4.0 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. 25% of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 18.1 kB

  • Original 22.8 kB
  • After minification 21.1 kB
  • After compression 4.7 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. 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 18.1 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 1.5 kB

  • Original 3.9 MB
  • After minification 3.9 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. De Merenburger images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 310 B

  • Original 82.2 kB
  • After minification 82.2 kB
  • After compression 81.8 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

-2%

Potential reduce by 254 B

  • Original 13.0 kB
  • After minification 13.0 kB
  • After compression 12.8 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. Demerenburger.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (21%)

Requests Now

38

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Merenburger. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

demerenburger.nl accessibility score

86

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

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

demerenburger.nl best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

demerenburger.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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Demerenburger.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Demerenburger.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 data is detected on the main page of De Merenburger. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: