10 sec in total
523 ms
9 sec
492 ms
Click here to check amazing Vbto content. Otherwise, check out these important facts you probably never knew about vbto.info
William Bokhorst Opleidingen is een landelijk opererende organisatie op het gebied van veiligheid, transport, logistiek, milieu en loonwerk en code 95 trainingen en advies.
Visit vbto.infoWe analyzed Vbto.info page load time and found that the first response time was 523 ms and then it took 9.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
vbto.info performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value4.5 s
38/100
25%
Value7.5 s
26/100
10%
Value970 ms
28/100
30%
Value0.798
5/100
15%
Value15.2 s
7/100
10%
523 ms
28 ms
200 ms
193 ms
190 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 94% of them (61 requests) were addressed to the original Vbto.info, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.cloudflare.com. The less responsive or slowest element that took the longest time to load (5.1 sec) belongs to the original domain Vbto.info.
Page size can be reduced by 440.3 kB (54%)
821.9 kB
381.6 kB
In fact, the total size of Vbto.info main page is 821.9 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. 40% of websites need less resources to load. Javascripts take 495.8 kB which makes up the majority of the site volume.
Potential reduce by 25.5 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 25.5 kB or 75% 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. Vbto images are well optimized though.
Potential reduce by 352.1 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 352.1 kB or 71% of the original size.
Potential reduce by 61.1 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. Vbto.info needs all CSS files to be minified and compressed as it can save up to 61.1 kB or 80% of the original size.
Number of requests can be reduced by 31 (48%)
64
33
The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vbto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
www.vbto.info
523 ms
cloudflare.min.js
28 ms
wp-emoji-release.min.js
200 ms
style.css
193 ms
css.tipsy.css
190 ms
css.prettyPhoto.css
186 ms
css.validity.css
181 ms
testimonials.css
357 ms
flexslider.css
375 ms
jquery-ui.css
2039 ms
custom-contact-forms-standards.css
1071 ms
custom-contact-forms.css
2049 ms
style.css
3041 ms
custom-contact-forms-datepicker.js
3047 ms
jquery.tools.min.js
3155 ms
custom-contact-forms.js
3048 ms
jquery.min.js
19 ms
cufon.js
4082 ms
cufon-font.js
2259 ms
jquery.tipsy.js
4059 ms
jquery.prettyPhoto.js
3132 ms
jquery.validity.js
4074 ms
jquery.cycle.all.min.js
3140 ms
jquery.tabify-1.4.js
4065 ms
jquery.accordion.js
4068 ms
scripts.js
4070 ms
plugins.js
5094 ms
core.min.js
4395 ms
datepicker.min.js
5115 ms
jquery.flexslider-min.js
5115 ms
jquery.flexslider.manualDirectionControls.js
5107 ms
wp-embed.min.js
5108 ms
ga.js
28 ms
bg-body.jpg
2105 ms
twitter.png
2121 ms
facebook.png
2128 ms
googleplus.png
2191 ms
youtube.png
2131 ms
linkedin.png
2129 ms
slide_header.jpg
2191 ms
slide_header2-940x2511-940x250.jpg
2471 ms
whatsapp-contact-vbto-van-bokhorst-opleidingen-2.jpg
2302 ms
docenten-gezocht-vbto-van-bokhorst-transport-opleidingen.png
2324 ms
c_plus_logo_vbto.info.png
932 ms
logistiek-vbto.info_.jpg
2327 ms
transport-code95-vbto.info_.jpg
2356 ms
grondverzet-infra-loonwerker-vbto.info_.jpg
2364 ms
cat-verreiker-vbto.info_.jpg
2393 ms
autolaadkraan-hijsfunctie-vbto.info-home.jpg
2983 ms
bovenloop-kraan-hijsen-vbto.info_.jpg
2990 ms
cat-hoogwerker-vbto.info_.jpg
2984 ms
vca-vbto.info_1.jpg
3098 ms
bhv-vbto.info_.jpg
2993 ms
lichte-berging-cursus-vbto-van-bokhorst-transport-opleidingen.jpg
2546 ms
tcvt-machinisten-opleidingen-vbto-van-bokhorst-transport-opleidingen.jpg
2978 ms
quote.png
3154 ms
soob_logo_vbto.info.png
1919 ms
pbna_logo_vbto.info.png
114 ms
ccv_logo_vbto.info.png
1919 ms
otib_logo_vbto.info.png
898 ms
stichting_oom_logo_vbto.info.png
1910 ms
stoof_logo_vbto.info.png
1924 ms
colland_logo_vbto.info.png
989 ms
__utm.gif
11 ms
style-print.css
176 ms
vbto.info accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
vbto.info 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
vbto.info 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
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vbto.info 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 Vbto.info 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.
vbto.info
Open Graph data is detected on the main page of Vbto. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: