Access duifhuizen.nl. Duifhuizen tassen & koffers, al 65 jaar dé specialist!

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value16.1 s

0/100

10%

TBT (Total Blocking Time)

Value23,860 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.306

1/100

15%

TTI (Time to Interactive)

Value34.4 s

0/100

10%

duifhuizen.nl

341 ms

www.duifhuizen.nl

527 ms

j.php

5 ms

8e20f6307aa477a22767b19aafdc8617.css

744 ms

f891b6c83db6d9f1342870959599b6a6.js

828 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 71% of them (55 requests) were addressed to the original Duifhuizen.nl, 5% (4 requests) were made to Google-analytics.com and 3% (2 requests) were made to Dev.visualwebsiteoptimizer.com. The less responsive or slowest element that took the longest time to load (828 ms) belongs to the original domain Duifhuizen.nl.

Content Size

2.5 MB

After Optimization

1.1 MB

In fact, the total size of Duifhuizen.nl main page is 2.5 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. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 58.5 kB

Original 74.5 kB
After minification 61.4 kB
After compression 15.9 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 13.0 kB, which is 17% 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 58.5 kB or 79% of the original size.

Image Optimization

-5%

Potential reduce by 38.2 kB

Original 759.2 kB
After minification 721.0 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. Duifhuizen images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 868.5 kB

Original 1.1 MB
After minification 910.0 kB
After compression 260.0 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 868.5 kB or 77% of the original size.

CSS Optimization

-80%

Potential reduce by 427.0 kB

Original 536.3 kB
After minification 453.7 kB
After compression 109.4 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. Duifhuizen.nl needs all CSS files to be minified and compressed as it can save up to 427.0 kB or 80% 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 Duifhuizen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

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

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

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

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

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/).

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 Duifhuizen.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 Duifhuizen.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

duifhuizen.nl

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

Duifhuizen tassen & koffers, al 65 jaar dé specialist!

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

duifhuizen.nl

www.duifhuizen.nl

j.php

8e20f6307aa477a22767b19aafdc8617.css

f891b6c83db6d9f1342870959599b6a6.js

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

duifhuizen.nl

www.duifhuizen.nl

j.php

8e20f6307aa477a22767b19aafdc8617.css

f891b6c83db6d9f1342870959599b6a6.js

v.gif

sooqr.js

logo.png

thuiswinkel-logo.png

Tassen-Supertrash.jpg

samsonite_koffers_242x242.jpg

hoofdbanner-trolleys.jpg

Hoofdbanner-reistassen.jpg

Hoofdbanner-schooltassen.jpg

Hoofdbanner-rugzakken.jpg

portemonnee-mywalit.jpg

Knirps_paraplu_herfst.jpg

DH-Pos1-1000X494px.jpg

DH-Pos2-1000X494px.jpg

DH-home-494x242.jpg

prod_col_59424_1908_wheelhandlefull.jpg

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patriziapepe-121700425-2v5460-pureazure-17_5x4x16_2_.jpg

DH-QUOTE-242x242px.jpg

639320_co_a50_x_28_x_26.jpg

DH-SUPERTRASH-242x242px.jpg

twitter_large.png

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as16m025_offwhite_supertrash_2_.jpg

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DH-FIORELLI-242x242px.jpg

cb-242.jpg

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f_facebook.png

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f_p.png

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f_google.png

delivery.png

trustpilot.png

gtm.js

$$stringtable_lang_nl.js