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vdberk.nl screenshot

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

vdberk.nl

Specialist in medium tot zeer grote maten bomen en struiken | Van den Berk Boomkwekerijen

Page Load Speed

4.2 sec in total

First Response

371 ms

Resources Loaded

2.8 sec

Page Rendered

978 ms

vdberk.nl screenshot

About Website

Welcome to vdberk.nl homepage info - get ready to check Vd Berk best content for Netherlands right away, or after learning these important things about vdberk.nl

Het grootste assortiment bomen en heesters van Europa! Dé specialist in medium tot grote maten bomen. ✓ Ruim 1600 soorten ✓ 450+ Ha kwekerij

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Key Findings

We analyzed Vdberk.nl page load time and found that the first response time was 371 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

vdberk.nl performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value1,580 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value1

2/100

15%

TTI (Time to Interactive)

Value16.2 s

5/100

10%

Network Requests Diagram

vdberk.nl

371 ms

vdberk.nl

370 ms

www.vdberk.nl

923 ms

gtm.js

71 ms

app.0810a2e0.css

189 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 83% of them (33 requests) were addressed to the original Vdberk.nl, 8% (3 requests) were made to Use.typekit.net and 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Vdberk.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 214.3 kB (18%)

Content Size

1.2 MB

After Optimization

981.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vdberk.nl main page is 1.2 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 895.8 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 105.9 kB

  • Original 117.6 kB
  • After minification 52.6 kB
  • After compression 11.7 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. This page needs HTML code to be minified as it can gain 65.0 kB, which is 55% 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 105.9 kB or 90% of the original size.

Image Optimization

-12%

Potential reduce by 108.3 kB

  • Original 895.8 kB
  • After minification 787.5 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. Obviously, Vd Berk needs image optimization as it can save up to 108.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 56 B

  • Original 110.5 kB
  • After minification 110.5 kB
  • After compression 110.4 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

-0%

Potential reduce by 77 B

  • Original 72.0 kB
  • After minification 72.0 kB
  • After compression 71.9 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. Vdberk.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (57%)

Requests Now

35

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vd Berk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vdberk.nl

vdberk.nl

371 ms

vdberk.nl

vdberk.nl

370 ms

www.vdberk.nl

www.vdberk.nl

923 ms

gtm.js

gtm.js

71 ms

app.0810a2e0.css

app.0810a2e0.css

189 ms

logo-white-nl.svg

logo-white-nl.svg

260 ms

us.png

us.png

263 ms

gb.png

gb.png

265 ms

nl.png

nl.png

267 ms

be.png

be.png

269 ms

de.png

de.png

276 ms

fr.png

fr.png

346 ms

cz.png

cz.png

347 ms

pl.png

pl.png

350 ms

es.png

es.png

355 ms

ro.png

ro.png

358 ms

dk.png

dk.png

366 ms

se.png

se.png

428 ms

hu.png

hu.png

455 ms

tr.png

tr.png

438 ms

sk.png

sk.png

450 ms

ru.png

ru.png

451 ms

no.png

no.png

454 ms

app.249a34f8.js

app.249a34f8.js

764 ms

menu-picture-placeholder.jpg

menu-picture-placeholder.jpg

1146 ms

b_top_logo_zw.svg

b_top_logo_zw.svg

534 ms

NOA-Label.png

NOA-Label.png

537 ms

logo_planetproof.svg

logo_planetproof.svg

819 ms

logo_iso14001.jpg

logo_iso14001.jpg

622 ms

NL-Greenlabel.jpg

NL-Greenlabel.jpg

623 ms

Logo-de-groene-stad.svg

Logo-de-groene-stad.svg

983 ms

css2

css2

52 ms

css2

css2

70 ms

vyi7lbl.css

vyi7lbl.css

59 ms

p.css

p.css

36 ms

Header-hompage-new-plot.webp

Header-hompage-new-plot.webp

843 ms

Vertical-forest-homepage.webp

Vertical-forest-homepage.webp

776 ms

oplossingen-homepage.webp

oplossingen-homepage.webp

640 ms

d

d

22 ms

d

d

12 ms

Accessibility Review

vdberk.nl accessibility score

81

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

Image elements do not have [alt] attributes

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.

Best Practices

vdberk.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

High

Missing source maps for large first-party JavaScript

SEO Factors

vdberk.nl SEO score

86

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

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

vdberk.nl

Open Graph data is detected on the main page of Vd Berk. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: