2.9 sec in total
355 ms
2.4 sec
188 ms
Welcome to johanwassenaar.nl homepage info - get ready to check Johan Wassenaar best content right away, or after learning these important things about johanwassenaar.nl
Door het gebruik van voetbedden (correctie zolen) kunnen tal van lichamelijke klachten worden verholpen, voetspecialist Rob Samson geeft advies op maat. Bezoekt u onze site voor de mogelijkheden
Visit johanwassenaar.nlWe analyzed Johanwassenaar.nl page load time and found that the first response time was 355 ms and then it took 2.6 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.
johanwassenaar.nl performance score
name
value
score
weighting
Value2.5 s
67/100
10%
Value5.1 s
25/100
25%
Value5.1 s
61/100
10%
Value80 ms
99/100
30%
Value0.239
52/100
15%
Value6.2 s
62/100
10%
355 ms
129 ms
240 ms
453 ms
244 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that all of those requests were addressed to Johanwassenaar.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Johanwassenaar.nl.
Page size can be reduced by 112.5 kB (17%)
674.9 kB
562.5 kB
In fact, the total size of Johanwassenaar.nl main page is 674.9 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. 25% of websites need less resources to load. Images take 542.1 kB which makes up the majority of the site volume.
Potential reduce by 11.1 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 11.1 kB or 77% of the original size.
Potential reduce by 18.4 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. Johan Wassenaar images are well optimized though.
Potential reduce by 75.3 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 75.3 kB or 69% of the original size.
Potential reduce by 7.7 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. Johanwassenaar.nl needs all CSS files to be minified and compressed as it can save up to 7.7 kB or 84% of the original size.
Number of requests can be reduced by 8 (18%)
44
36
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Johan Wassenaar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
johanwassenaar.nl
355 ms
podoloog.css
129 ms
slideshow.css
240 ms
mootools.js
453 ms
visualslideshow.js
244 ms
slideshow.js
137 ms
back.jpg
135 ms
navback.jpg
239 ms
johanwassenaar.jpg
243 ms
txtback.jpg
140 ms
$rel
242 ms
jw1.jpg
567 ms
vc2014.jpg
697 ms
vc20142.jpg
597 ms
jw7.jpg
483 ms
vc20143.jpg
582 ms
vc20144.jpg
588 ms
vc20145.jpg
713 ms
vc20146.jpg
799 ms
jw3.jpg
852 ms
jw4.jpg
716 ms
jw5.jpg
718 ms
jw8.jpg
1035 ms
jw1.jpg
836 ms
vc2014.jpg
838 ms
vc20142.jpg
840 ms
jw7.jpg
932 ms
vc20143.jpg
966 ms
vc20144.jpg
969 ms
vc20145.jpg
971 ms
vc20146.jpg
984 ms
jw3.jpg
1071 ms
jw4.jpg
1103 ms
jw5.jpg
1100 ms
jw8.jpg
1101 ms
podoloog_home.jpg
1118 ms
werkwijze_home.jpg
1162 ms
leesverderoranje.gif
1203 ms
leesverderblauw.gif
1232 ms
bottomback.jpg
1233 ms
controller.png
1231 ms
controller-first.gif
1256 ms
controller-prev.gif
1169 ms
controller-pause.gif
1204 ms
controller-next.gif
1135 ms
controller-last.gif
1132 ms
johanwassenaar.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
johanwassenaar.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
johanwassenaar.nl SEO score
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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Johanwassenaar.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 Johanwassenaar.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.
johanwassenaar.nl
Open Graph description is not detected on the main page of Johan Wassenaar. 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: