Tools & Wizards About Us
zadenkopenonline.nl screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

zadenkopenonline.nl

Zaden Kopen? Zadenkopenonline.nl

Page Load Speed

4.6 sec in total

First Response

1 sec

Resources Loaded

3.2 sec

Page Rendered

365 ms

zadenkopenonline.nl screenshot

About Website

Click here to check amazing Zadenkopenonline content for Netherlands. Otherwise, check out these important facts you probably never knew about zadenkopenonline.nl

Zaden Kopen? Zadenkopenonline.nl

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Key Findings

We analyzed Zadenkopenonline.nl page load time and found that the first response time was 1 sec and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

zadenkopenonline.nl performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value23.5 s

0/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value4,120 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.293

41/100

15%

TTI (Time to Interactive)

Value23.7 s

1/100

10%

Network Requests Diagram

zadenkopenonline.nl

1035 ms

www.zadenkopenonline.nl

747 ms

tp.widget.bootstrap.min.js

12 ms

z-bundle.1.3.min.css

60 ms

main.css

95 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 38% of them (16 requests) were addressed to the original Zadenkopenonline.nl, 21% (9 requests) were made to Cdn.logic4.nl and 17% (7 requests) were made to Logic4cdn.azureedge.net. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Tuincentrumkoeman.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 159.3 kB (31%)

Content Size

519.5 kB

After Optimization

360.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zadenkopenonline.nl main page is 519.5 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. 50% of websites need less resources to load. CSS take 256.5 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 108.0 kB

  • Original 126.0 kB
  • After minification 122.2 kB
  • After compression 17.9 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 108.0 kB or 86% of the original size.

Image Optimization

-42%

Potential reduce by 14.0 kB

  • Original 33.3 kB
  • After minification 19.2 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, Zadenkopenonline needs image optimization as it can save up to 14.0 kB or 42% 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 48 B

  • Original 103.8 kB
  • After minification 103.8 kB
  • After compression 103.7 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

-14%

Potential reduce by 37.1 kB

  • Original 256.5 kB
  • After minification 256.5 kB
  • After compression 219.4 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. Zadenkopenonline.nl needs all CSS files to be minified and compressed as it can save up to 37.1 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (45%)

Requests Now

29

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zadenkopenonline. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zadenkopenonline.nl

zadenkopenonline.nl

1035 ms

www.zadenkopenonline.nl

www.zadenkopenonline.nl

747 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

12 ms

z-bundle.1.3.min.css

z-bundle.1.3.min.css

60 ms

main.css

main.css

95 ms

snippet.js

snippet.js

110 ms

all.min.js

all.min.js

196 ms

all.min.css

all.min.css

626 ms

brands.min.css

brands.min.css

463 ms

v4-shims.min.css

v4-shims.min.css

470 ms

custom-shims.min.css

custom-shims.min.css

483 ms

gtm.js

gtm.js

114 ms

koeman-email-inschrijving-plaatje-250-x-250-px_4426264464326.webp

koeman-email-inschrijving-plaatje-250-x-250-px_4426264464326.webp

1317 ms

courgette-black-beauty-eko.jpeg

courgette-black-beauty-eko.jpeg

307 ms

cosmos-sensation-mixed.webp

cosmos-sensation-mixed.webp

431 ms

zinnia-reuzen-van-california-mix.webp

zinnia-reuzen-van-california-mix.webp

433 ms

komkommer-tanja.webp

komkommer-tanja.webp

444 ms

bloementuin_4426264478335.webp

bloementuin_4426264478335.webp

443 ms

biologischezaden_8170014472091.jpg

biologischezaden_8170014472091.jpg

448 ms

groenten_4426264478539.webp

groenten_4426264478539.webp

398 ms

kruiden_4426264478600.webp

kruiden_4426264478600.webp

490 ms

dutch_1257515097098.png

dutch_1257515097098.png

515 ms

german_1257515097254.png

german_1257515097254.png

517 ms

french_1257515097339.png

french_1257515097339.png

530 ms

english_1257515097407.png

english_1257515097407.png

530 ms

italian_1257515100003.png

italian_1257515100003.png

535 ms

moblogo.png

moblogo.png

403 ms

icon-cart-empty.png

icon-cart-empty.png

482 ms

placeholder.png

placeholder.png

57 ms

logo.png

logo.png

417 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

33 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

43 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Ew-.ttf

52 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-.ttf

62 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w-.ttf

52 ms

logic.ttf

logic.ttf

37 ms

JTUFjIg1_i6t8kCHKm459Wx7xQYXK0vOoz6jq6R9aX8.ttf

JTUFjIg1_i6t8kCHKm459Wx7xQYXK0vOoz6jq6R9aX8.ttf

11 ms

fa-regular-400.ttf

fa-regular-400.ttf

620 ms

fa-light-300.ttf

fa-light-300.ttf

632 ms

fa-solid-900.ttf

fa-solid-900.ttf

665 ms

fa-thin-100.ttf

fa-thin-100.ttf

440 ms

fa-brands-400.ttf

fa-brands-400.ttf

692 ms

Accessibility Review

zadenkopenonline.nl accessibility score

79

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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

Image elements do not have [alt] attributes

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zadenkopenonline.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zadenkopenonline.nl SEO score

89

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

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

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 Zadenkopenonline.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 Zadenkopenonline.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

zadenkopenonline.nl

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