Tools & Wizards About Us
sierkussen.nl screenshot

Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

sierkussen.nl

Sierkussen.nl | Voor ieder budget een passend kussentje

Page Load Speed

24.6 sec in total

First Response

288 ms

Resources Loaded

11.7 sec

Page Rendered

12.6 sec

sierkussen.nl screenshot

About Website

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

Geef je interieur een boost met de sierkussens van Sierkussen.nl. Verschillende stijlen, kleuren en maten. Bestel eenvoudig online en geniet van snelle levering

Visit sierkussen.nl

Key Findings

We analyzed Sierkussen.nl page load time and found that the first response time was 288 ms and then it took 24.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

sierkussen.nl performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value31.0 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value3,010 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.521

15/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

sierkussen.nl

288 ms

sierkussen.nl

395 ms

www.sierkussen.nl

3233 ms

gtm.js

53 ms

all.css

2175 ms

Our browser made a total of 121 requests to load all elements on the main page. We found that 92% of them (111 requests) were addressed to the original Sierkussen.nl, 2% (2 requests) were made to Static.sooqr.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (5.4 sec) belongs to the original domain Sierkussen.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.1 MB (6%)

Content Size

55.0 MB

After Optimization

51.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sierkussen.nl main page is 55.0 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. 65% of websites need less resources to load. Images take 53.0 MB which makes up the majority of the site volume.

HTML Optimization

-95%

Potential reduce by 1.2 MB

  • Original 1.3 MB
  • After minification 757.2 kB
  • After compression 68.2 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. This page needs HTML code to be minified as it can gain 508.7 kB, which is 40% 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 1.2 MB or 95% of the original size.

Image Optimization

-3%

Potential reduce by 1.8 MB

  • Original 53.0 MB
  • After minification 51.3 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. Sierkussen images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 64.9 kB

  • Original 394.0 kB
  • After minification 394.0 kB
  • After compression 329.1 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 64.9 kB or 16% of the original size.

CSS Optimization

-22%

Potential reduce by 65.1 kB

  • Original 295.4 kB
  • After minification 295.4 kB
  • After compression 230.4 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. Sierkussen.nl needs all CSS files to be minified and compressed as it can save up to 65.1 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (9%)

Requests Now

113

After Optimization

103

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sierkussen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sierkussen.nl

sierkussen.nl

288 ms

sierkussen.nl

sierkussen.nl

395 ms

www.sierkussen.nl

www.sierkussen.nl

3233 ms

gtm.js

gtm.js

53 ms

all.css

all.css

2175 ms

animate.css

animate.css

480 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

16 ms

popups.js

popups.js

442 ms

all.js

all.js

2307 ms

v2

v2

47 ms

mollie-payments.js

mollie-payments.js

198 ms

Trustpilot-home-mobiel.jpg

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114 ms

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LOGO_SK_2021.png

195 ms

logo_webshopkeurmerk2.png

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381 ms

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185 ms

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1046 ms

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800 ms

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567 ms

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2367 ms

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3576 ms

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794 ms

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1140 ms

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1063 ms

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1235 ms

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1159 ms

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1332 ms

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1254 ms

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1425 ms

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1349 ms

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1524 ms

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1443 ms

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1613 ms

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1549 ms

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4672 ms

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1653 ms

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3220 ms

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1758 ms

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1855 ms

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1956 ms

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2053 ms

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2156 ms

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2255 ms

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2285 ms

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2386 ms

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2350 ms

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47 ms

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2418 ms

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181 ms

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79 ms

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2405 ms

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2458 ms

widget

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533 ms

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384 ms

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2304 ms

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4209 ms

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52 ms

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1986 ms

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2083 ms

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2024 ms

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3780 ms

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2025 ms

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2054 ms

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2142 ms

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2364 ms

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2143 ms

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2161 ms

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2239 ms

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2626 ms

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2246 ms

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3304 ms

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2245 ms

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2288 ms

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2344 ms

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2346 ms

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4393 ms

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2243 ms

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2253 ms

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2244 ms

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2249 ms

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2251 ms

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2436 ms

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4033 ms

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5421 ms

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2312 ms

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2475 ms

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2430 ms

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2265 ms

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2318 ms

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2317 ms

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4349 ms

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2316 ms

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2205 ms

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2196 ms

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2177 ms

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2184 ms

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2190 ms

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2088 ms

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2100 ms

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3894 ms

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2185 ms

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2199 ms

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2200 ms

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2201 ms

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2199 ms

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2249 ms

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3670 ms

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2202 ms

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2195 ms

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2196 ms

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2308 ms

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2082 ms

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2118 ms

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2110 ms

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2107 ms

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2154 ms

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2179 ms

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2178 ms

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2107 ms

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2072 ms

Accessibility Review

sierkussen.nl accessibility score

62

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-*] attributes do not match their roles

High

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

High

ARIA IDs are not unique

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

sierkussen.nl best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

sierkussen.nl SEO score

83

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

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 Sierkussen.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 Sierkussen.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

sierkussen.nl

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