Access kroese-online.nl. Online Webwinkel voor cd's, lp's en dvd's, altijd meer dan 18.000 titels snel uit voorraad leverbaar

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value1,170 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

www.kroese-online.nl

812 ms

swfobject.js

184 ms

reset.css

278 ms

1018_6_10.css

371 ms

kroese5.css

463 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 76% of them (57 requests) were addressed to the original Kroese-online.nl, 7% (5 requests) were made to Google.com and 7% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Kroese-online.nl.

Content Size

1.8 MB

After Optimization

1.6 MB

In fact, the total size of Kroese-online.nl main page is 1.8 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. 60% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 38.5 kB

Original 50.4 kB
After minification 43.3 kB
After compression 11.9 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. This page needs HTML code to be minified as it can gain 7.1 kB, which is 14% 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 38.5 kB or 76% of the original size.

Image Optimization

-8%

Potential reduce by 108.0 kB

Original 1.3 MB
After minification 1.2 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. Kroese Online images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 23.0 kB

Original 298.5 kB
After minification 295.6 kB
After compression 275.5 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

-56%

Potential reduce by 43.4 kB

Original 77.6 kB
After minification 63.1 kB
After compression 34.2 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. Kroese-online.nl needs all CSS files to be minified and compressed as it can save up to 43.4 kB or 56% of the original size.

Requests Now

After Optimization

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kroese Online. 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 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

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

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

N/A
Language Claimed

EN
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kroese-online.nl can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Kroese-online.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

kroese-online.nl

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Online Webwinkel voor cd's, lp's en dvd's, altijd meer dan 18.000 titels snel uit voorraad leverbaar

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.kroese-online.nl

swfobject.js

reset.css

1018_6_10.css

kroese5.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.kroese-online.nl

swfobject.js

reset.css

1018_6_10.css

kroese5.css

jquery.min.js

default.css

nivo-slider.css

general.js

api.js

megamenu2.css

addthis_widget.js

api.js

jquery.nivo.slider.pack.js

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webshopkeurmerk.png

facebook.png

x.png

instagram.png

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recaptcha__en.js

mxJH-CQV_normal.jpg

loading.gif

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