5.5 sec in total
119 ms
4.6 sec
761 ms
Visit gvbholland.nl now to see the best up-to-date GVB Holland content and also check out these interesting facts you probably never knew about gvbholland.nl
Volg deze complete golfcursus van de beste teaching professionals van Nederland en haal binnen twee dagen uw Handicap 54 (GVB), met een 100% examengarantie.
Visit gvbholland.nlWe analyzed Gvbholland.nl page load time and found that the first response time was 119 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
gvbholland.nl performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value6.7 s
7/100
25%
Value10.0 s
9/100
10%
Value420 ms
66/100
30%
Value0
100/100
15%
Value10.4 s
24/100
10%
119 ms
23 ms
36 ms
182 ms
284 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Gvbholland.nl, 9% (7 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3.3 sec) relates to the external source Gvbcursus.nl.
Page size can be reduced by 616.7 kB (6%)
10.6 MB
10.0 MB
In fact, the total size of Gvbholland.nl main page is 10.6 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. 70% of websites need less resources to load. Images take 10.0 MB which makes up the majority of the site volume.
Potential reduce by 28.4 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 28.4 kB or 77% of the original size.
Potential reduce by 185.5 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. GVB Holland images are well optimized though.
Potential reduce by 402.8 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 402.8 kB or 67% of the original size.
Number of requests can be reduced by 37 (56%)
66
29
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of GVB Holland. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.
gvbcursus.nl
119 ms
css
23 ms
css
36 ms
bootstrap.min.css
182 ms
bootstrap-datepicker3.min.css
284 ms
settings.css
212 ms
owl.carousel.css
219 ms
lightbox.min.css
224 ms
stroke-gap-icons.css
333 ms
pe-icon-7-stroke.css
301 ms
elegant-icons.css
315 ms
font-awesome.css
411 ms
style.css
335 ms
responsive.css
500 ms
animate.css
425 ms
flexslider.css
480 ms
main.css
341 ms
jquery.min.js
557 ms
lightbox.min.js
449 ms
bootstrap.min.js
556 ms
bootstrap-hover-dropdown.min.js
575 ms
bootstrap-datepicker.min.js
581 ms
bootstrap-datepicker.nl.min.js
670 ms
owl.carousel.min.js
616 ms
jquery.countTo.js
709 ms
jquery.appear.js
643 ms
isotope.pkgd.min.js
732 ms
jquery.easing.min.js
582 ms
jquery.easypiechart.min.js
583 ms
jquery.flexslider-min.js
715 ms
imagesloaded.pkgd.min.js
746 ms
moment.min.js
755 ms
lodash.min.js
846 ms
wow.min.js
811 ms
jquery.themepunch.tools.min.js
942 ms
jquery.themepunch.revolution.min.js
911 ms
scripts.js
862 ms
app.js
874 ms
GVBcursus.nl-logo.png
916 ms
gvbcursus-omslag-c.png
2006 ms
gvbcursus-omslag-b.png
1962 ms
gvbcursus-omslag-a.png
2147 ms
gvb-golfexamen.png
1198 ms
gvbcursus-onbeperkt-golfles.png
1126 ms
gvbcursus-golfclinic.png
1054 ms
gvbcursus-marianne.png
1176 ms
gvbcursus-dennis.png
1210 ms
gvbcursus-lieke.png
1195 ms
gvbcursus-thomas.png
1268 ms
gvbcursus-jeroen.png
1244 ms
gvbcursus-dutch-golf-putten4.png
1527 ms
gvbcursus-golfbaan-hoge-dijk4.png
1598 ms
gvbcursus-golfpark-turfvaert4.png
1580 ms
gvbcursus-sparta-schollebos4.png
1826 ms
gvbcursus-twentse-golfacademy4.png
1728 ms
gvbcursus-golfbaan-semslanden4.png
1872 ms
v0SdcGFAl2aezM9Vq_aFTQ.ttf
18 ms
nj47mAZe0mYUIySgfn0wpQ.ttf
40 ms
DvlFBScY1r-FMtZSYIYoYw.ttf
40 ms
APH4jr0uSos5wiut5cpjronF5uFdDttMLvmWuJdhhgs.ttf
40 ms
LqowQDslGv4DmUBAfWa2Vw.ttf
40 ms
2HG_tEPiQ4Z6795cGfdivKCWcynf_cDxXwCLxiixG1c.ttf
16 ms
HkF_qI1x_noxlxhrhMQYEKCWcynf_cDxXwCLxiixG1c.ttf
39 ms
ElegantIcons.woff
1944 ms
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
8 ms
fontawesome-webfont.woff
1852 ms
preloader.GIF
1834 ms
gvbcursus-achtergrond-golf.png
3255 ms
close.png
1877 ms
loading.gif
1895 ms
prev.png
1872 ms
next.png
1840 ms
gtm.js
60 ms
86
1353 ms
timer.png
1590 ms
revicons.woff
1607 ms
analytics.js
6 ms
collect
12 ms
gvbholland.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
gvbholland.nl 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
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
gvbholland.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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gvbholland.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Gvbholland.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.
gvbholland.nl
Open Graph data is detected on the main page of GVB Holland. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: