Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

cookbox.nl

Koffiewarenhuis.nl, uw specialist in espressomachines en accessoires

Page Load Speed

7.4 sec in total

First Response

904 ms

Resources Loaded

6.3 sec

Page Rendered

130 ms

cookbox.nl screenshot

About Website

Welcome to cookbox.nl homepage info - get ready to check Cookbox best content right away, or after learning these important things about cookbox.nl

Met 18 jaar ervaring is Koffiewarenhuis.nl de specialist in espressomachines, bonenmalers en accessoires. Alles direct uit voorraad leverbaar.

Visit cookbox.nl

Key Findings

We analyzed Cookbox.nl page load time and found that the first response time was 904 ms and then it took 6.5 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

cookbox.nl performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

www.koffiewarenhuis.nl

904 ms

combine.php

91 ms

combine.php

532 ms

wrapper_bk.png

89 ms

logo.png

172 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Cookbox.nl, 2% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Koffiewarenhuis.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 382.8 kB (24%)

Content Size

1.6 MB

After Optimization

1.2 MB

In fact, the total size of Cookbox.nl main page is 1.6 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. 50% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 33.7 kB

  • Original 41.9 kB
  • After minification 40.0 kB
  • After compression 8.2 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 33.7 kB or 81% of the original size.

Image Optimization

-14%

Potential reduce by 178.0 kB

  • Original 1.3 MB
  • After minification 1.1 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. Obviously, Cookbox needs image optimization as it can save up to 178.0 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 153.3 kB

  • Original 252.2 kB
  • After minification 252.2 kB
  • After compression 98.9 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 153.3 kB or 61% of the original size.

CSS Optimization

-81%

Potential reduce by 17.8 kB

  • Original 22.0 kB
  • After minification 21.8 kB
  • After compression 4.2 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. Cookbox.nl needs all CSS files to be minified and compressed as it can save up to 17.8 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

95

After Optimization

95

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cookbox. According to our analytics all requests are already optimized.

Accessibility Review

cookbox.nl accessibility score

81

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

cookbox.nl best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cookbox.nl SEO score

92

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cookbox.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Cookbox.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 description is not detected on the main page of Cookbox. 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: