Tools & Wizards About Us
koninginnedagamsterdam.nl screenshot

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

koninginnedagamsterdam.nl

Koninginnedagamsterdam.nl

Page Load Speed

2 sec in total

First Response

192 ms

Resources Loaded

1.6 sec

Page Rendered

218 ms

koninginnedagamsterdam.nl screenshot

About Website

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

koning

Visit koninginnedagamsterdam.nl

Key Findings

We analyzed Koninginnedagamsterdam.nl page load time and found that the first response time was 192 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

koninginnedagamsterdam.nl performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

koninginnedagamsterdam.nl

192 ms

www.koninginnedagamsterdam.nl

320 ms

core-v15.css

134 ms

vertaling-v1.js.php

179 ms

jquery-1.8.3.min.js

340 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 56% of them (30 requests) were addressed to the original Koninginnedagamsterdam.nl, 7% (4 requests) were made to Pagead2.googlesyndication.com and 7% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (439 ms) belongs to the original domain Koninginnedagamsterdam.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 365.8 kB (52%)

Content Size

701.0 kB

After Optimization

335.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Koninginnedagamsterdam.nl main page is 701.0 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. 45% of websites need less resources to load. Javascripts take 375.2 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 16.0 kB

  • Original 22.9 kB
  • After minification 22.5 kB
  • After compression 6.9 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. 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 16.0 kB or 70% of the original size.

Image Optimization

-15%

Potential reduce by 31.5 kB

  • Original 210.9 kB
  • After minification 179.4 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, Koninginnedagamsterdam needs image optimization as it can save up to 31.5 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 244.8 kB

  • Original 375.2 kB
  • After minification 371.7 kB
  • After compression 130.4 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 244.8 kB or 65% of the original size.

CSS Optimization

-80%

Potential reduce by 73.6 kB

  • Original 92.0 kB
  • After minification 91.4 kB
  • After compression 18.5 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. Koninginnedagamsterdam.nl needs all CSS files to be minified and compressed as it can save up to 73.6 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (44%)

Requests Now

52

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koninginnedagamsterdam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

koninginnedagamsterdam.nl

koninginnedagamsterdam.nl

192 ms

www.koninginnedagamsterdam.nl

www.koninginnedagamsterdam.nl

320 ms

core-v15.css

core-v15.css

134 ms

vertaling-v1.js.php

vertaling-v1.js.php

179 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

340 ms

jquery-ui-1.9.2.custom.min.js

jquery-ui-1.9.2.custom.min.js

439 ms

jquery.custom.min.js

jquery.custom.min.js

246 ms

core-v2.js

core-v2.js

206 ms

show_ads.js

show_ads.js

5 ms

consent.css

consent.css

297 ms

consent.js

consent.js

311 ms

oranjebalk-1.jpg

oranjebalk-1.jpg

163 ms

analytics.js

analytics.js

12 ms

top-1.jpg

top-1.jpg

267 ms

koninginnedag-amsterdam-2013.png

koninginnedag-amsterdam-2013.png

101 ms

widgets.js

widgets.js

35 ms

meer-pijl.png

meer-pijl.png

226 ms

engels.png

engels.png

187 ms

koning-willem-alexander.jpg

koning-willem-alexander.jpg

284 ms

facebook.png

facebook.png

186 ms

twitter.png

twitter.png

222 ms

hyves.png

hyves.png

222 ms

koninginnedag-amsterdam-mobiel.png

koninginnedag-amsterdam-mobiel.png

225 ms

nederlands.png

nederlands.png

304 ms

all.js

all.js

185 ms

collect

collect

46 ms

scheiding.png

scheiding.png

244 ms

kroon-sprite.png

kroon-sprite.png

254 ms

loep-1.png

loep-1.png

266 ms

topticker.jpg

topticker.jpg

328 ms

pagina.png

pagina.png

346 ms

meer-uitklap.png

meer-uitklap.png

374 ms

zrt_lookup.html

zrt_lookup.html

28 ms

show_ads_impl.js

show_ads_impl.js

54 ms

ads

ads

205 ms

searchbox.html

searchbox.html

295 ms

pijl-oost.gif

pijl-oost.gif

344 ms

footer.png

footer.png

274 ms

osd.js

osd.js

78 ms

ui-bg_highlight-soft_100_eeeeee_1x100.png

ui-bg_highlight-soft_100_eeeeee_1x100.png

349 ms

188 ms

xd_arbiter.php

xd_arbiter.php

171 ms

xd_arbiter.php

xd_arbiter.php

282 ms

m_js_controller.js

m_js_controller.js

28 ms

abg.js

abg.js

40 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

61 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

48 ms

s

s

27 ms

x_button_blue2.png

x_button_blue2.png

23 ms

6be9c8fc3fc760ec78f75a8a0e2d36b5f5662ce2.css

6be9c8fc3fc760ec78f75a8a0e2d36b5f5662ce2.css

138 ms

5fc8859a0efa6426c14e3bc4acfe7d446e3baa72.css

5fc8859a0efa6426c14e3bc4acfe7d446e3baa72.css

58 ms

7e6bb600141a762e5ef0bb5f8c7c6a8c9516c1b8.css

7e6bb600141a762e5ef0bb5f8c7c6a8c9516c1b8.css

60 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

4 ms

d59400a9e3fb1de83d0ecf952eef4e894acabc26.png

d59400a9e3fb1de83d0ecf952eef4e894acabc26.png

27 ms

Accessibility Review

koninginnedagamsterdam.nl accessibility score

78

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.

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

Image elements do not have [alt] attributes

Best Practices

koninginnedagamsterdam.nl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

koninginnedagamsterdam.nl SEO score

75

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 Koninginnedagamsterdam.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 Koninginnedagamsterdam.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

koninginnedagamsterdam.nl

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