Tools & Wizards About Us
kappa.nl screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

kappa.nl

Kappa koerier I Koeriersbedrijf zakelijke zendingen

Page Load Speed

8.1 sec in total

First Response

611 ms

Resources Loaded

7.2 sec

Page Rendered

288 ms

kappa.nl screenshot

About Website

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

Kappa koerier, hét zakelijke koeriersbedrijf uit Rotterdam. Gespecialiseerd in nationale en internationale koeriersdiensten voor bedrijven!

Visit kappa.nl

Key Findings

We analyzed Kappa.nl page load time and found that the first response time was 611 ms and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

kappa.nl performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value14.0 s

0/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value12,570 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.058

98/100

15%

TTI (Time to Interactive)

Value22.5 s

1/100

10%

Network Requests Diagram

kappa.nl

611 ms

kappa.nl

374 ms

www.kappa.nl

718 ms

gtm.js

149 ms

main.css

112 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 51% of them (40 requests) were addressed to the original Kappa.nl, 6% (5 requests) were made to Google-analytics.com and 5% (4 requests) were made to Feedbackcompany.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Kappa.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 152.0 kB (9%)

Content Size

1.7 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kappa.nl main page is 1.7 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. 70% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 46.9 kB

  • Original 61.0 kB
  • After minification 51.6 kB
  • After compression 14.0 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 9.4 kB, which is 15% 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 46.9 kB or 77% of the original size.

Image Optimization

-6%

Potential reduce by 96.2 kB

  • Original 1.6 MB
  • After minification 1.5 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. Kappa images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 2.7 kB

  • Original 82.0 kB
  • After minification 81.5 kB
  • After compression 79.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-48%

Potential reduce by 6.2 kB

  • Original 13.0 kB
  • After minification 10.3 kB
  • After compression 6.7 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. Kappa.nl needs all CSS files to be minified and compressed as it can save up to 6.2 kB or 48% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (57%)

Requests Now

74

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kappa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kappa.nl

kappa.nl

611 ms

kappa.nl

kappa.nl

374 ms

www.kappa.nl

www.kappa.nl

718 ms

gtm.js

gtm.js

149 ms

main.css

main.css

112 ms

jquery.fancybox.css

jquery.fancybox.css

588 ms

responsive.css

responsive.css

698 ms

jquery.js

jquery.js

1525 ms

jquery.fancybox.js

jquery.fancybox.js

1206 ms

jquery.cycle.js

jquery.cycle.js

689 ms

jquery.cookie.js

jquery.cookie.js

687 ms

init.js

init.js

687 ms

api.js

api.js

285 ms

js

js

281 ms

reset.css

reset.css

1108 ms

common.css

common.css

1108 ms

form.css

form.css

1108 ms

optimize.js

optimize.js

793 ms

analytics.js

analytics.js

897 ms

hotjar-109683.js

hotjar-109683.js

708 ms

bat.js

bat.js

861 ms

conversion_async.js

conversion_async.js

1115 ms

js

js

173 ms

modules.2be88a2123e5e486752f.js

modules.2be88a2123e5e486752f.js

399 ms

collect

collect

276 ms

collect

collect

241 ms

bg_top_bar.png

bg_top_bar.png

220 ms

logo-kappa-koerier.png

logo-kappa-koerier.png

212 ms

top_devider.png

top_devider.png

210 ms

logo-versnelling-nl.png

logo-versnelling-nl.png

217 ms

spacer.gif

spacer.gif

216 ms

vacature-fietskoerier-rotterdam.png

vacature-fietskoerier-rotterdam.png

1782 ms

64.png

64.png

1784 ms

20.png

20.png

1781 ms

26.png

26.png

904 ms

kappa-usp.png

kappa-usp.png

664 ms

chat-online.png

chat-online.png

629 ms

dienst_snelservice.png

dienst_snelservice.png

830 ms

dienst_budgetservice.png

dienst_budgetservice.png

828 ms

dienst_econoservice.png

dienst_econoservice.png

894 ms

dienst_overnight.png

dienst_overnight.png

893 ms

10-minutes-response.png

10-minutes-response.png

1752 ms

weborderplaatsen.png

weborderplaatsen.png

1752 ms

CO2-prestatieladder.png

CO2-prestatieladder.png

1751 ms

ISO-9001.png

ISO-9001.png

1925 ms

logo-ecostars.png

logo-ecostars.png

1924 ms

logo-niwo.png

logo-niwo.png

1923 ms

logo-tln.png

logo-tln.png

2442 ms

fbevents.js

fbevents.js

198 ms

bundle

bundle

2417 ms

10919e79fe9c4d2b879d836749826921.js.ubembed.com

10919e79fe9c4d2b879d836749826921.js.ubembed.com

791 ms

5669752.js

5669752.js

567 ms

collect

collect

701 ms

19302.html

19302.html

1621 ms

nav-a-bullit.png

nav-a-bullit.png

2249 ms

visual-overlay.png

visual-overlay.png

2249 ms

btn_bg.png

btn_bg.png

2546 ms

527 ms

174189082961434

174189082961434

273 ms

recaptcha__en.js

recaptcha__en.js

1174 ms

bg_footer.png

bg_footer.png

1923 ms

ga-audiences

ga-audiences

731 ms

5669752

5669752

1578 ms

1853 ms

bundle.js

bundle.js

1849 ms

insight.min.js

insight.min.js

1795 ms

js

js

946 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

1340 ms

collect

collect

1013 ms

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

1082 ms

clarity.js

clarity.js

325 ms

179 ms

star_full.png

star_full.png

221 ms

star_half.png

star_half.png

327 ms

tfclogo_footer_multi_bw.png

tfclogo_footer_multi_bw.png

328 ms

visit-data

visit-data

509 ms

20 ms

c.gif

c.gif

68 ms

Accessibility Review

kappa.nl accessibility score

95

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

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

Best Practices

kappa.nl best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

kappa.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

    NL

  • Encoding

    UTF-8

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

kappa.nl

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