2.7 sec in total
377 ms
2 sec
315 ms
Welcome to dolfinarium.nl homepage info - get ready to check Dolfinarium best content for Netherlands right away, or after learning these important things about dolfinarium.nl
Het Dolfinarium is het grootste zeezoogdierenpark van Europa. Ontdek de wondere waterwereld van héél dichtbij; gegarandeerd een dagje weg vol plezier met zijn allen!
Visit dolfinarium.nlWe analyzed Dolfinarium.nl page load time and found that the first response time was 377 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
dolfinarium.nl performance score
name
value
score
weighting
Value2.6 s
63/100
10%
Value7.3 s
4/100
25%
Value7.5 s
26/100
10%
Value440 ms
63/100
30%
Value0.029
100/100
15%
Value13.2 s
12/100
10%
377 ms
365 ms
60 ms
67 ms
33 ms
Our browser made a total of 24 requests to load all elements on the main page. We found that 83% of them (20 requests) were addressed to the original Dolfinarium.nl, 13% (3 requests) were made to Fonts.gstatic.com and 4% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (714 ms) belongs to the original domain Dolfinarium.nl.
Page size can be reduced by 62.9 kB (7%)
853.8 kB
790.9 kB
In fact, the total size of Dolfinarium.nl main page is 853.8 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. 20% of websites need less resources to load. Images take 723.7 kB which makes up the majority of the site volume.
Potential reduce by 62.7 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 19.0 kB, which is 26% 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 62.7 kB or 87% of the original size.
Potential reduce by 0 B
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. Dolfinarium images are well optimized though.
Potential reduce by 17 B
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.
Potential reduce by 109 B
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. Dolfinarium.nl has all CSS files already compressed.
Number of requests can be reduced by 4 (20%)
20
16
The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dolfinarium. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.
www.dolfinarium.nl
377 ms
style.min.css
365 ms
wpcdt-public.css
60 ms
dbk-cookie-law.min.css
67 ms
css
33 ms
app.min.css
41 ms
email-decode.min.js
31 ms
rocket-loader.min.js
29 ms
logo-dolfinarium-white.svg
53 ms
Walrus_verloop-min-400x400.jpg
55 ms
Spelen_verloop_vierkant-400x400.jpg
502 ms
meisje.png
62 ms
ihw.png
58 ms
Zeehond_verloop-min-400x300.jpg
79 ms
Afb_website_verloop_rechthoekig_oceanica-1-400x400.jpg
72 ms
dromen-bij-dolfijnen1-1-400x400.jpg
76 ms
curve-overlay.svg
80 ms
icon-weather-clear-day.svg
92 ms
BBU_1270_Kleiner-1920x1080.jpg
714 ms
dolfinarium-wave.svg
54 ms
1Ptxg8zYS_SKggPN4iEgvnHyvveLxVs9pbCIPrQ.ttf
18 ms
1Ptxg8zYS_SKggPN4iEgvnHyvveLxVtapbCIPrQ.ttf
22 ms
1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvoorCIPrQ.ttf
42 ms
dbk-cookie-law.min.js
299 ms
dolfinarium.nl accessibility score
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
[role]s are not contained by their required parent element
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
dolfinarium.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
dolfinarium.nl SEO score
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
Document uses legible font sizes
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dolfinarium.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 Dolfinarium.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.
dolfinarium.nl
Open Graph data is detected on the main page of Dolfinarium. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: