1.3 sec in total
228 ms
961 ms
132 ms
Click here to check amazing Zilveren Dolfijn content for Netherlands. Otherwise, check out these important facts you probably never knew about zilverendolfijn.nl
Strip-encyclopedie de Zilveren Dolfijn
Visit zilverendolfijn.nlWe analyzed Zilverendolfijn.nl page load time and found that the first response time was 228 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
zilverendolfijn.nl performance score
name
value
score
weighting
Value1.2 s
99/100
10%
Value1.6 s
99/100
25%
Value1.6 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.2 s
100/100
10%
228 ms
244 ms
190 ms
283 ms
195 ms
Our browser made a total of 17 requests to load all elements on the main page. We found that all of those requests were addressed to Zilverendolfijn.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (485 ms) belongs to the original domain Zilverendolfijn.nl.
Page size can be reduced by 9.9 kB (22%)
45.1 kB
35.2 kB
In fact, the total size of Zilverendolfijn.nl main page is 45.1 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. Only 10% of websites need less resources to load. Images take 34.3 kB which makes up the majority of the site volume.
Potential reduce by 8.4 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 8.4 kB or 78% of the original size.
Potential reduce by 1.5 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. Zilveren Dolfijn images are well optimized though.
We found no issues to fix!
15
15
The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zilveren Dolfijn. According to our analytics all requests are already optimized.
zilverendolfijn.nl
228 ms
www.zilverendolfijn.nl
244 ms
backgr8.gif
190 ms
dolfijn3.jpg
283 ms
muur1.jpg
195 ms
pixel.gif
195 ms
toorts.gif
198 ms
gastboek.gif
293 ms
info.gif
376 ms
email.gif
290 ms
menu.jpg
386 ms
zoek.gif
293 ms
muur2.jpg
375 ms
pilaar.gif
481 ms
database.jpg
485 ms
pilaar1.gif
485 ms
taal.gif
466 ms
zilverendolfijn.nl accessibility score
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
Image elements do not have [alt] attributes
zilverendolfijn.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
zilverendolfijn.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
NL
NL
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zilverendolfijn.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 Zilverendolfijn.nl main page’s claimed encoding is iso-8859-1. 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.
zilverendolfijn.nl
Open Graph description is not detected on the main page of Zilveren Dolfijn. 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: