Tools & Wizards About Us
zilver-inkoop.nl screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

zilver-inkoop.nl

Zilver, goud & edelmetaal info. Kopen & verkopen fysiek goud & zilver.

Page Load Speed

3.1 sec in total

First Response

387 ms

Resources Loaded

2.6 sec

Page Rendered

99 ms

zilver-inkoop.nl screenshot

About Website

Welcome to zilver-inkoop.nl homepage info - get ready to check Zilver Inkoop best content for Netherlands right away, or after learning these important things about zilver-inkoop.nl

Zilver & goud kopen of verkopen? Alle info wat uw gouden & zilveren munten en baartjes waard zijn. Real time edelmetaal koersen waardes en prijzen!

Visit zilver-inkoop.nl

Key Findings

We analyzed Zilver-inkoop.nl page load time and found that the first response time was 387 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

zilver-inkoop.nl performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value2,050 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.194

63/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

zilver-inkoop.nl

387 ms

www.zilver-inkoop.nl

601 ms

bootstrap.min.css

191 ms

font-awesome.min.css

290 ms

animate.css

286 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 44% of them (20 requests) were addressed to the original Zilver-inkoop.nl, 13% (6 requests) were made to Pagead2.googlesyndication.com and 11% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (645 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 77.5 kB (11%)

Content Size

716.8 kB

After Optimization

639.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zilver-inkoop.nl main page is 716.8 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 617.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 27.6 kB

  • Original 35.6 kB
  • After minification 33.4 kB
  • After compression 8.0 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 27.6 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 57 B

  • Original 16.4 kB
  • After minification 16.3 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. Zilver Inkoop images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 37.5 kB

  • Original 617.9 kB
  • After minification 617.8 kB
  • After compression 580.3 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

-26%

Potential reduce by 12.4 kB

  • Original 47.0 kB
  • After minification 47.0 kB
  • After compression 34.6 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. Zilver-inkoop.nl needs all CSS files to be minified and compressed as it can save up to 12.4 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (72%)

Requests Now

39

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zilver Inkoop. 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

zilver-inkoop.nl

zilver-inkoop.nl

387 ms

www.zilver-inkoop.nl

www.zilver-inkoop.nl

601 ms

bootstrap.min.css

bootstrap.min.css

191 ms

font-awesome.min.css

font-awesome.min.css

290 ms

animate.css

animate.css

286 ms

red.css

red.css

284 ms

custom.css

custom.css

291 ms

responsive.css

responsive.css

295 ms

jquery.fancybox.css

jquery.fancybox.css

293 ms

css

css

42 ms

css

css

86 ms

js

js

50 ms

cookie-consent.js

cookie-consent.js

86 ms

adsbygoogle.js

adsbygoogle.js

107 ms

jquery.js

jquery.js

518 ms

bootstrap.min.js

bootstrap.min.js

454 ms

jquery.isotope.js

jquery.isotope.js

453 ms

smooth-scroll.js

smooth-scroll.js

453 ms

jquery.counterup.min.js

jquery.counterup.min.js

452 ms

jquery.scrollTo.js

jquery.scrollTo.js

453 ms

wow.min.js

wow.min.js

550 ms

custom.js

custom.js

550 ms

js

js

139 ms

analytics.js

analytics.js

132 ms

flag-nl.gif

flag-nl.gif

208 ms

flag-uk.gif

flag-uk.gif

218 ms

show_ads_impl.js

show_ads_impl.js

284 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvoorCIPrc.woff

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvoorCIPrc.woff

101 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaorCIPrc.woff

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaorCIPrc.woff

116 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVuEorCIPrc.woff

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVuEorCIPrc.woff

117 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

382 ms

collect

collect

50 ms

zrt_lookup.html

zrt_lookup.html

55 ms

ads

ads

645 ms

ads

ads

431 ms

15461835243049902103

15461835243049902103

26 ms

abg_lite.js

abg_lite.js

24 ms

s

s

5 ms

window_focus.js

window_focus.js

21 ms

qs_click_protection.js

qs_click_protection.js

29 ms

ufs_web_display.js

ufs_web_display.js

17 ms

one_click_handler_one_afma.js

one_click_handler_one_afma.js

170 ms

activeview

activeview

85 ms

reactive_library.js

reactive_library.js

207 ms

XKVjlGMZ-9Co2xOMMN0j_EFrFyX9juKw-kmGvwQcBeY.js

XKVjlGMZ-9Co2xOMMN0j_EFrFyX9juKw-kmGvwQcBeY.js

5 ms

Accessibility Review

zilver-inkoop.nl accessibility score

92

Accessibility Issues

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best Practices

zilver-inkoop.nl best practices score

75

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

zilver-inkoop.nl SEO score

100

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zilver-inkoop.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zilver-inkoop.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

zilver-inkoop.nl

Open Graph description is not detected on the main page of Zilver Inkoop. 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: