3.6 sec in total
464 ms
2.9 sec
199 ms
Welcome to robhouweling.nl homepage info - get ready to check Rob Houweling best content right away, or after learning these important things about robhouweling.nl
Wij nodigen u van harte uit om de grootste en mooiste collectie stijlschouwen en open haarden in de regio Den Haag te aanschouwen.
Visit robhouweling.nlWe analyzed Robhouweling.nl page load time and found that the first response time was 464 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
robhouweling.nl performance score
name
value
score
weighting
Value8.4 s
0/100
10%
Value20.9 s
0/100
25%
Value23.4 s
0/100
10%
Value14,370 ms
0/100
30%
Value0.245
51/100
15%
Value33.5 s
0/100
10%
464 ms
172 ms
196 ms
176 ms
182 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 76% of them (29 requests) were addressed to the original Robhouweling.nl, 13% (5 requests) were made to Robhouweling.ziltsysteem.nl and 3% (1 request) were made to Static.dudamobile.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Robhouweling.ziltsysteem.nl.
Page size can be reduced by 297.5 kB (45%)
664.6 kB
367.1 kB
In fact, the total size of Robhouweling.nl main page is 664.6 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 321.3 kB which makes up the majority of the site volume.
Potential reduce by 27.1 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. This page needs HTML code to be minified as it can gain 4.0 kB, which is 12% 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 27.1 kB or 80% of the original size.
Potential reduce by 22.0 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. Rob Houweling images are well optimized though.
Potential reduce by 242.6 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 242.6 kB or 80% of the original size.
Potential reduce by 5.8 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. Robhouweling.nl needs all CSS files to be minified and compressed as it can save up to 5.8 kB or 74% of the original size.
Number of requests can be reduced by 18 (50%)
36
18
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rob Houweling. 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 4 to 1 for CSS and as a result speed up the page load time.
rob_houweling
464 ms
default.css
172 ms
application.css
196 ms
onderhoud.js
176 ms
browsercheck.js
182 ms
contextmenu2.js
183 ms
menus.js
184 ms
contextmenu.css
257 ms
coolmenus4.js
348 ms
DM_redirect.js
26 ms
prototype-1.6.0.3.js
635 ms
scriptaculous.js
275 ms
banner.js
280 ms
top.css
289 ms
conversion.js
26 ms
builder.js
100 ms
effects.js
176 ms
dragdrop.js
179 ms
controls.js
93 ms
slider.js
92 ms
sound.js
93 ms
logo_met_tekstwauw.png
892 ms
trans.gif
90 ms
home_kerst.jpg
482 ms
58 ms
menubalk2.png
154 ms
back.png
692 ms
robhouweling_header.jpg
1064 ms
banners.png
171 ms
footer.png
253 ms
39 ms
msban.jpg
97 ms
zandbanner.jpg
94 ms
gestbanner.jpg
92 ms
vkbanner.jpg
97 ms
MDFbannerdef.jpg
111 ms
keukenhaarden.jpg
203 ms
kalksteenbanner.jpg
182 ms
robhouweling.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.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
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.
robhouweling.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
robhouweling.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
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
ISO-8859-15
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Robhouweling.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 Robhouweling.nl main page’s claimed encoding is iso-8859-15. 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.
robhouweling.nl
Open Graph description is not detected on the main page of Rob Houweling. 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: