Tools & Wizards About Us
computerknallers.nl screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

computerknallers.nl

ComputerKnallers - Keihard de beste in computers en electronica!

Page Load Speed

3.6 sec in total

First Response

347 ms

Resources Loaded

2.9 sec

Page Rendered

384 ms

computerknallers.nl screenshot

About Website

Visit computerknallers.nl now to see the best up-to-date Computer Knallers content and also check out these interesting facts you probably never knew about computerknallers.nl

computerknallers.nl is de webwinkel in koopjes van computer tot elektronica | voor 18:00 uur besteld zelfde dag verzonden

Visit computerknallers.nl

Key Findings

We analyzed Computerknallers.nl page load time and found that the first response time was 347 ms and then it took 3.3 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

computerknallers.nl performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.052

98/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

computerknallers.nl

347 ms

computerknallers.nl

648 ms

bootstrap.min.css

189 ms

bootstrap-datepicker3.css

277 ms

all.css

346 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 82% of them (56 requests) were addressed to the original Computerknallers.nl, 13% (9 requests) were made to Crm-suite.cloud and 3% (2 requests) were made to Clarity.ms. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Crm-suite.cloud.

Page Optimization Overview & Recommendations

Page size can be reduced by 267.2 kB (22%)

Content Size

1.2 MB

After Optimization

973.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Computerknallers.nl main page is 1.2 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 870.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 35.7 kB

  • Original 47.0 kB
  • After minification 45.0 kB
  • After compression 11.3 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 35.7 kB or 76% of the original size.

Image Optimization

-22%

Potential reduce by 194.2 kB

  • Original 870.0 kB
  • After minification 675.7 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, Computer Knallers needs image optimization as it can save up to 194.2 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-12%

Potential reduce by 27.1 kB

  • Original 228.8 kB
  • After minification 228.8 kB
  • After compression 201.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 27.1 kB or 12% of the original size.

CSS Optimization

-11%

Potential reduce by 10.1 kB

  • Original 94.7 kB
  • After minification 94.7 kB
  • After compression 84.6 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. Computerknallers.nl needs all CSS files to be minified and compressed as it can save up to 10.1 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (67%)

Requests Now

52

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Computer Knallers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

computerknallers.nl

computerknallers.nl

347 ms

computerknallers.nl

computerknallers.nl

648 ms

bootstrap.min.css

bootstrap.min.css

189 ms

bootstrap-datepicker3.css

bootstrap-datepicker3.css

277 ms

all.css

all.css

346 ms

animate.min.css

animate.min.css

351 ms

ionicons.min.css

ionicons.min.css

359 ms

owl.carousel.min.css

owl.carousel.min.css

354 ms

lightbox.min.css

lightbox.min.css

362 ms

Roboto.css

Roboto.css

361 ms

style.css

style.css

633 ms

jquery.min.js

jquery.min.js

524 ms

jquery-migrate.min.js

jquery-migrate.min.js

445 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

456 ms

easing.min.js

easing.min.js

444 ms

mobile-nav.js

mobile-nav.js

452 ms

wow.min.js

wow.min.js

529 ms

waypoints.min.js

waypoints.min.js

535 ms

counterup.min.js

counterup.min.js

543 ms

owl.carousel.min.js

owl.carousel.min.js

546 ms

isotope.pkgd.min.js

isotope.pkgd.min.js

610 ms

lightbox.min.js

lightbox.min.js

614 ms

bootstrap-datepicker.min.js

bootstrap-datepicker.min.js

625 ms

IsNumeric.js

IsNumeric.js

630 ms

main.js

main.js

644 ms

Chart.min.js

Chart.min.js

692 ms

WebResource.axd

WebResource.axd

698 ms

ScriptResource.axd

ScriptResource.axd

800 ms

ScriptResource.axd

ScriptResource.axd

773 ms

PriceSlider.js

PriceSlider.js

716 ms

roboto.css

roboto.css

360 ms

isnumeric.js

isnumeric.js

145 ms

chart.min.js

chart.min.js

91 ms

priceslider.js

priceslider.js

109 ms

logo_computerknallers_hires.jpg

logo_computerknallers_hires.jpg

911 ms

gcz64bgjwt

gcz64bgjwt

251 ms

banner.png

banner.png

1012 ms

01-TERRA.png

01-TERRA.png

587 ms

02-ASUS.png

02-ASUS.png

589 ms

03-LOGITECH.png

03-LOGITECH.png

590 ms

04-HP.png

04-HP.png

592 ms

05-CANON.png

05-CANON.png

676 ms

06-WD.png

06-WD.png

678 ms

ecom-logo-small.jpg

ecom-logo-small.jpg

770 ms

c90b2553c37809459cf80feb637a4361535af30878e3aadd11027a67ae908704.jpg

c90b2553c37809459cf80feb637a4361535af30878e3aadd11027a67ae908704.jpg

92 ms

b3939bec23efacf7c04ba5c3fe6a20e339dcf25bd0b1d775bddba1266121d285.jpg

b3939bec23efacf7c04ba5c3fe6a20e339dcf25bd0b1d775bddba1266121d285.jpg

93 ms

dbce04a40a5f197a7fb08534ab3a9cb8e3fe186b.jpg

dbce04a40a5f197a7fb08534ab3a9cb8e3fe186b.jpg

103 ms

item140033310000.jpg

item140033310000.jpg

92 ms

item122073110000.jpg

item122073110000.jpg

90 ms

item10000382500.jpg

item10000382500.jpg

93 ms

item203010040000.jpg

item203010040000.jpg

173 ms

item148037130000.jpg

item148037130000.jpg

175 ms

prev.png

prev.png

94 ms

next.png

next.png

96 ms

loading.gif

loading.gif

99 ms

close.png

close.png

103 ms

fa-solid-900.woff

fa-solid-900.woff

250 ms

fa-regular-400.woff

fa-regular-400.woff

171 ms

item122073110000.jpg

item122073110000.jpg

221 ms

c90b2553c37809459cf80feb637a4361535af30878e3aadd11027a67ae908704.jpg

c90b2553c37809459cf80feb637a4361535af30878e3aadd11027a67ae908704.jpg

203 ms

item140033310000.jpg

item140033310000.jpg

202 ms

b3939bec23efacf7c04ba5c3fe6a20e339dcf25bd0b1d775bddba1266121d285.jpg

b3939bec23efacf7c04ba5c3fe6a20e339dcf25bd0b1d775bddba1266121d285.jpg

219 ms

item10000382500.jpg

item10000382500.jpg

314 ms

dbce04a40a5f197a7fb08534ab3a9cb8e3fe186b.jpg

dbce04a40a5f197a7fb08534ab3a9cb8e3fe186b.jpg

315 ms

item203010040000.jpg

item203010040000.jpg

226 ms

item148037130000.jpg

item148037130000.jpg

248 ms

clarity.js

clarity.js

18 ms

c.gif

c.gif

7 ms

Accessibility Review

computerknallers.nl accessibility score

89

Accessibility Issues

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

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

computerknallers.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

High

Page has valid source maps

SEO Factors

computerknallers.nl SEO score

90

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

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Computerknallers.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 Computerknallers.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

computerknallers.nl

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