Tools & Wizards About Us
nieuwekopen.nl screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

nieuwekopen.nl

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Page Load Speed

4.6 sec in total

First Response

382 ms

Resources Loaded

3.9 sec

Page Rendered

344 ms

nieuwekopen.nl screenshot

About Website

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

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Visit nieuwekopen.nl

Key Findings

We analyzed Nieuwekopen.nl page load time and found that the first response time was 382 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

nieuwekopen.nl performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

55/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

74/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value6,370 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

nieuwekopen.nl

382 ms

w3.css

191 ms

adsbygoogle.js

88 ms

clientSearchBoxGenerator.js

246 ms

jquery-1.8.3.min.js

23 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Nieuwekopen.nl, 22% (16 requests) were made to Tpc.googlesyndication.com and 11% (8 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 160.2 kB (26%)

Content Size

616.9 kB

After Optimization

456.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nieuwekopen.nl main page is 616.9 kB. 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. Javascripts take 318.7 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 20.8 kB

  • Original 28.1 kB
  • After minification 27.9 kB
  • After compression 7.3 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 20.8 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 1.1 kB

  • Original 232.1 kB
  • After minification 231.0 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. Nieuwe Kopen images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 130.6 kB

  • Original 318.7 kB
  • After minification 294.0 kB
  • After compression 188.0 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 130.6 kB or 41% of the original size.

CSS Optimization

-20%

Potential reduce by 7.7 kB

  • Original 38.1 kB
  • After minification 38.1 kB
  • After compression 30.4 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. Nieuwekopen.nl needs all CSS files to be minified and compressed as it can save up to 7.7 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (73%)

Requests Now

62

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nieuwe Kopen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nieuwekopen.nl

nieuwekopen.nl

382 ms

w3.css

w3.css

191 ms

adsbygoogle.js

adsbygoogle.js

88 ms

clientSearchBoxGenerator.js

clientSearchBoxGenerator.js

246 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

23 ms

general.js

general.js

235 ms

zrt_lookup.html

zrt_lookup.html

38 ms

w3.css

w3.css

112 ms

49073cb6c33bc5e49b503b52e3dc7093.js

49073cb6c33bc5e49b503b52e3dc7093.js

355 ms

clientSearchBoxGenerator.js

clientSearchBoxGenerator.js

444 ms

show_ads_impl.js

show_ads_impl.js

61 ms

cookie.js

cookie.js

95 ms

integrator.js

integrator.js

102 ms

ads

ads

694 ms

integrator.js

integrator.js

35 ms

ads

ads

541 ms

tag

tag

183 ms

ga.js

ga.js

25 ms

ads

ads

1084 ms

__utm.gif

__utm.gif

17 ms

tag

tag

1002 ms

downsize_200k_v1

downsize_200k_v1

168 ms

load_preloaded_resource.js

load_preloaded_resource.js

207 ms

abg_lite.js

abg_lite.js

193 ms

window_focus.js

window_focus.js

193 ms

qs_click_protection.js

qs_click_protection.js

199 ms

rx_lidar.js

rx_lidar.js

159 ms

042791247ab671b2831aa311d6583330.js

042791247ab671b2831aa311d6583330.js

157 ms

icon.png

icon.png

70 ms

load_preloaded_resource.js

load_preloaded_resource.js

370 ms

abg_lite.js

abg_lite.js

365 ms

window_focus.js

window_focus.js

563 ms

qs_click_protection.js

qs_click_protection.js

449 ms

7167769925268475647

7167769925268475647

559 ms

css

css

225 ms

reactive_library.js

reactive_library.js

152 ms

activeview

activeview

94 ms

lNPcL4AZZQ8z9NJpy71wtXJu_aTy2V1-RO76Pd5QcdQ.js

lNPcL4AZZQ8z9NJpy71wtXJu_aTy2V1-RO76Pd5QcdQ.js

80 ms

ttCookieDirective.css

ttCookieDirective.css

292 ms

widget.js.php

widget.js.php

845 ms

activeview

activeview

131 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpy8.woff

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpy8.woff

230 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpy8.woff

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpy8.woff

231 ms

ttCookieDirective.css

ttCookieDirective.css

119 ms

integrator.js

integrator.js

99 ms

zrt_lookup.html

zrt_lookup.html

92 ms

delayed_impression_vu.js

delayed_impression_vu.js

68 ms

dvbs_src.js

dvbs_src.js

248 ms

m_js_controller.js

m_js_controller.js

67 ms

css2

css2

74 ms

feedback_grey600_24dp.png

feedback_grey600_24dp.png

31 ms

interstitial_ad_frame.js

interstitial_ad_frame.js

58 ms

settings_grey600_24dp.png

settings_grey600_24dp.png

40 ms

17896187968072915941_12443733116150278093.jpeg

17896187968072915941_12443733116150278093.jpeg

184 ms

12972655924694833254_3550587092728063158.jpeg

12972655924694833254_3550587092728063158.jpeg

185 ms

12536579438393205719_2043065338926502704.jpeg

12536579438393205719_2043065338926502704.jpeg

186 ms

12170648113505582949

12170648113505582949

110 ms

css

css

26 ms

dvbs_src_internal109.js

dvbs_src_internal109.js

49 ms

KFOlCnqEu92Fr1MmWUlvAA.woff

KFOlCnqEu92Fr1MmWUlvAA.woff

21 ms

KFOmCnqEu92Fr1Me5g.woff

KFOmCnqEu92Fr1Me5g.woff

144 ms

ea8FacM9Wef3EJPWRrHjgE4B6CnlZxHVDv79pw.woff

ea8FacM9Wef3EJPWRrHjgE4B6CnlZxHVDv79pw.woff

187 ms

ea8IacM9Wef3EJPWRrHjgE4B6CnlZxHVBg3etBD7Sg.woff

ea8IacM9Wef3EJPWRrHjgE4B6CnlZxHVBg3etBD7Sg.woff

185 ms

verify.js

verify.js

265 ms

jquery.nouislider.css

jquery.nouislider.css

299 ms

globalpassback_728x90.gif

globalpassback_728x90.gif

203 ms

activeview

activeview

29 ms

jquery.nouislider.pips.css

jquery.nouislider.pips.css

71 ms

sodar

sodar

21 ms

main.v2.css

main.v2.css

91 ms

sodar2.js

sodar2.js

12 ms

runner.html

runner.html

38 ms

aframe

aframe

45 ms

bootstrap.min.css

bootstrap.min.css

144 ms

Accessibility Review

nieuwekopen.nl accessibility score

68

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

[role] values are not valid

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best Practices

nieuwekopen.nl best practices score

58

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

nieuwekopen.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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nieuwekopen.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 Nieuwekopen.nl main page’s claimed encoding is . 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

nieuwekopen.nl

Open Graph description is not detected on the main page of Nieuwe Kopen. 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: