2 sec in total
276 ms
1.4 sec
292 ms
Welcome to siel.nl homepage info - get ready to check SIEL best content for Netherlands right away, or after learning these important things about siel.nl
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Visit siel.nlWe analyzed Siel.nl page load time and found that the first response time was 276 ms and then it took 1.7 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.
siel.nl performance score
name
value
score
weighting
Value2.4 s
70/100
10%
Value4.3 s
41/100
25%
Value3.8 s
84/100
10%
Value10 ms
100/100
30%
Value0.498
16/100
15%
Value4.2 s
86/100
10%
276 ms
519 ms
52 ms
95 ms
187 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that 64% of them (14 requests) were addressed to the original Siel.nl, 14% (3 requests) were made to Fonts.gstatic.com and 9% (2 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (535 ms) belongs to the original domain Siel.nl.
Page size can be reduced by 227.3 kB (59%)
386.9 kB
159.6 kB
In fact, the total size of Siel.nl main page is 386.9 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. 30% of websites need less resources to load. Javascripts take 185.1 kB which makes up the majority of the site volume.
Potential reduce by 15.3 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 15.3 kB or 76% 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. SIEL images are well optimized though.
Potential reduce by 119.5 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 119.5 kB or 65% of the original size.
Potential reduce by 92.5 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. Siel.nl needs all CSS files to be minified and compressed as it can save up to 92.5 kB or 87% of the original size.
Number of requests can be reduced by 9 (60%)
15
6
The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SIEL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
siel.nl
276 ms
www.siel.nl
519 ms
css
52 ms
font-awesome.min.css
95 ms
animate.css
187 ms
style.css
273 ms
widgets.js
126 ms
jquery-2.1.4.min.js
373 ms
jquery.flexslider-2.5.0.min.js
321 ms
plugins.js
393 ms
app.js
322 ms
logo-icon.png
323 ms
acumulus-overal-te-gebruiken.png
535 ms
logo-footer.png
364 ms
fontawesome-webfont.woff
284 ms
dazS1PrQQuCxC3iOAJFEJbfB31yxOzP-czbf6AAKCVo.ttf
86 ms
y7lebkjgREBJK96VQi37Zp0EAVxt0G0biEntp43Qt6E.ttf
87 ms
dazS1PrQQuCxC3iOAJFEJZ_TkvowlIOtbR7ePgFOpF4.ttf
101 ms
icomoon.woff
206 ms
tweet.04d20138f67ab41d6b4af6cc583926d9.js
35 ms
syndication
92 ms
tweets.json
125 ms
siel.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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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.
siel.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
siel.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
Tap targets are not sized appropriately
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Siel.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 Siel.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.
siel.nl
Open Graph description is not detected on the main page of SIEL. 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: