3.2 sec in total
281 ms
2.8 sec
134 ms
Click here to check amazing Senf content. Otherwise, check out these important facts you probably never knew about senf.nl
Welkom bij Senf! Wij zorgen ervoor dat er ieder theaterseizoen weer een rijk gevuld aanbod aan theaterproducties in de theaters te zien is.
Visit senf.nlWe analyzed Senf.nl page load time and found that the first response time was 281 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
senf.nl performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value5.7 s
16/100
25%
Value5.9 s
49/100
10%
Value920 ms
30/100
30%
Value0
100/100
15%
Value6.3 s
61/100
10%
281 ms
330 ms
185 ms
183 ms
454 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that 84% of them (37 requests) were addressed to the original Senf.nl, 7% (3 requests) were made to S7.addthis.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Senf.nl.
Page size can be reduced by 687.7 kB (36%)
1.9 MB
1.2 MB
In fact, the total size of Senf.nl main page is 1.9 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 924.2 kB which makes up the majority of the site volume.
Potential reduce by 40.1 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 40.1 kB or 69% of the original size.
Potential reduce by 10.5 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. Senf images are well optimized though.
Potential reduce by 588.5 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 588.5 kB or 69% of the original size.
Potential reduce by 48.7 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. Senf.nl needs all CSS files to be minified and compressed as it can save up to 48.7 kB or 84% of the original size.
Number of requests can be reduced by 29 (69%)
42
13
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Senf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
senf.nl
281 ms
www.senf.nl
330 ms
general.css
185 ms
yav-style.css
183 ms
yav.js
454 ms
yav-config.js
185 ms
jquery-ui-1.8.16.custom.css
365 ms
jquery.min.js
8 ms
jquery-ui-1.8.16.custom.min.js
816 ms
jquery.infieldlabel.min.js
362 ms
jquery.tools.min.js
363 ms
twitter.min.js
363 ms
jwplayer.js
1084 ms
jquery.fancybox-1.3.4.pack.js
631 ms
jquery.easing-1.3.pack.js
543 ms
jquery.mousewheel-3.0.4.pack.js
544 ms
jquery.fancybox-1.3.4.css
630 ms
methods.js
724 ms
addthis_widget.js
10 ms
main.css
548 ms
form.css
638 ms
menu.css
636 ms
menu-customized.css
729 ms
fluid.css
729 ms
addthis.css
817 ms
ga.js
120 ms
background.png
273 ms
senf_theaterpartners.jpg
113 ms
submenu.png
184 ms
background.png
183 ms
Intouchables-omgedraaid.jpg
728 ms
Simon_Keizer_2.jpg
364 ms
Legendary-Albums-Live.jpg
1001 ms
Andre-het-astronautje_2.jpg
1088 ms
Ashton-Brothers.jpg
1002 ms
Moeders-en-Zonen-2.jpg
904 ms
submitbutton.png
546 ms
twitter.png
728 ms
background.png
910 ms
vvtp.jpg
911 ms
300lo.json
66 ms
372.ed14dbbf30bce90c967b.js
8 ms
sh.8e5f85691f9aaa082472a194.html
44 ms
__utm.gif
36 ms
senf.nl accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<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
Image elements do not have [alt] attributes
Links do not have a discernible name
senf.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
senf.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Image elements do not have [alt] attributes
NL
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Senf.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 Senf.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.
senf.nl
Open Graph description is not detected on the main page of Senf. 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: