Tools & Wizards About Us
datacombinatie.nl screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

datacombinatie.nl

Datacombinatie Yacht Verzekeringen

Page Load Speed

3.7 sec in total

First Response

782 ms

Resources Loaded

2.8 sec

Page Rendered

140 ms

datacombinatie.nl screenshot

About Website

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

Datacombinatie Yacht Verzekeringen is al ruim 45 jaar een gespecialiseerd kantoor in het aanbieden van bootverzekeringen met een lage premie.

Visit datacombinatie.nl

Key Findings

We analyzed Datacombinatie.nl page load time and found that the first response time was 782 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

datacombinatie.nl performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value1,390 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.134

80/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

datacombinatie.nl

782 ms

calendar.css

131 ms

front.css

254 ms

jquery.min.js

367 ms

jquery-noconflict.js

292 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 93% of them (26 requests) were addressed to the original Datacombinatie.nl, 7% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (782 ms) belongs to the original domain Datacombinatie.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 539.7 kB (55%)

Content Size

977.0 kB

After Optimization

437.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Datacombinatie.nl main page is 977.0 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. Javascripts take 642.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 17.4 kB

  • Original 23.2 kB
  • After minification 22.3 kB
  • After compression 5.9 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. 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 17.4 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 3.2 kB

  • Original 219.2 kB
  • After minification 216.1 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. Datacombinatie images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 439.6 kB

  • Original 642.2 kB
  • After minification 609.7 kB
  • After compression 202.6 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 439.6 kB or 68% of the original size.

CSS Optimization

-86%

Potential reduce by 79.5 kB

  • Original 92.3 kB
  • After minification 73.2 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. Datacombinatie.nl needs all CSS files to be minified and compressed as it can save up to 79.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (59%)

Requests Now

27

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Datacombinatie. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

datacombinatie.nl

datacombinatie.nl

782 ms

calendar.css

calendar.css

131 ms

front.css

front.css

254 ms

jquery.min.js

jquery.min.js

367 ms

jquery-noconflict.js

jquery-noconflict.js

292 ms

jquery-migrate.min.js

jquery-migrate.min.js

293 ms

caption.js

caption.js

305 ms

mootools-core.js

mootools-core.js

386 ms

core.js

core.js

381 ms

mootools-more.js

mootools-more.js

584 ms

script.js

script.js

426 ms

bootstrap.min.js

bootstrap.min.js

432 ms

system.css

system.css

484 ms

general.css

general.css

497 ms

template.css

template.css

512 ms

jquery.js

jquery.js

638 ms

script.js

script.js

561 ms

system.css

system.css

126 ms

ga.js

ga.js

39 ms

header.jpg

header.jpg

129 ms

data-bootverzekering.jpg

data-bootverzekering.jpg

476 ms

blockbullets.png

blockbullets.png

129 ms

yachtverzekeringen.png

yachtverzekeringen.png

129 ms

bootverzekering.jpg

bootverzekering.jpg

160 ms

postbullets.png

postbullets.png

162 ms

aanvraag-offerte.jpg

aanvraag-offerte.jpg

345 ms

offerte-bootverzekering.png

offerte-bootverzekering.png

268 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

datacombinatie.nl accessibility score

83

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

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

datacombinatie.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

datacombinatie.nl SEO score

91

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Datacombinatie.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 Datacombinatie.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

datacombinatie.nl

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