5.1 sec in total
1.7 sec
3.2 sec
172 ms
Click here to check amazing OABv content. Otherwise, check out these important facts you probably never knew about oabv.nl
OABv BHV training EHBO cursus AED cursussen reanimatie trainingen maatwerk kwaliteit zorg mkb kinderopvang overheid English Ons doel is dat u slaagt!
Visit oabv.nlWe analyzed Oabv.nl page load time and found that the first response time was 1.7 sec and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
oabv.nl performance score
name
value
score
weighting
Value3.3 s
41/100
10%
Value4.9 s
29/100
25%
Value8.3 s
19/100
10%
Value9,020 ms
0/100
30%
Value0.191
64/100
15%
Value18.3 s
3/100
10%
1736 ms
179 ms
177 ms
182 ms
206 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 46% of them (30 requests) were addressed to the original Oabv.nl, 15% (10 requests) were made to Maps.googleapis.com and 11% (7 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Oabv.nl.
Page size can be reduced by 1.1 MB (63%)
1.7 MB
633.1 kB
In fact, the total size of Oabv.nl main page is 1.7 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. 65% of websites need less resources to load. Javascripts take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 23.6 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 23.6 kB or 78% of the original size.
Potential reduce by 7.9 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. OABv images are well optimized though.
Potential reduce by 1.0 MB
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 1.0 MB or 69% of the original size.
Potential reduce by 27.3 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. Oabv.nl needs all CSS files to be minified and compressed as it can save up to 27.3 kB or 77% of the original size.
Number of requests can be reduced by 20 (37%)
54
34
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OABv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
oabv.nl
1736 ms
css_pbm0lsQQJ7A7WCCIMgxLho6mI_kBNgznNUWmTWcnfoE.css
179 ms
css_bsCHdceFgE-exT-jjxD1jfZnXvfaJzlU6fc1yqkv2AQ.css
177 ms
css_YWFUistCCtnIjolZf7s5iT26WL_HtK31fhWAPcBMOM4.css
182 ms
css_GuSzyQEvDJjp1jh5jUyY9_8m9WItkZLgsuXvdbzEFXo.css
206 ms
js_xAPl0qIk9eowy_iS9tNkCWXLUVoat94SQT48UBCFkyQ.js
351 ms
js_jJapKL9c9B7Psp42a9JG92kPtN1eR7Iv7ymJa6t36Sc.js
370 ms
cii1tzk.js
215 ms
ga.js
6 ms
b
297 ms
css_e0Oi8I1L8cGJ7KxcUbimLkO-ivlPDoZXuBZMWKAz5GY.css
102 ms
__utm.gif
12 ms
bg_header.jpg
115 ms
maps
123 ms
logo.png
138 ms
slide_06_1.jpg
329 ms
slide_02_1.jpg
433 ms
slide_01_1.jpg
425 ms
slide_07_1.jpg
432 ms
slide_03_1.jpg
330 ms
slide_04_1.jpg
455 ms
slide_overlay.png
432 ms
bg_slide_pager.png
433 ms
bullet.gif
497 ms
menu-leaf.png
498 ms
afb_contact.jpg
498 ms
slide_07_0.jpg
498 ms
slide_01.jpg
520 ms
slide_04.jpg
523 ms
slide_06_0.jpg
643 ms
slide_03.jpg
592 ms
slide_02.jpg
594 ms
logo_nibhv2.gif
587 ms
logo_nrr.gif
797 ms
logo_hok.gif
799 ms
p.gif
59 ms
AIAAgQCCAIMAhACFAIYAhwCIAIkAigCLAIwAjQCOAI8AkACRAJIAkwCUAJUAlgCXAJgAmQCaAJsAnACdAJ4AnwCgAKEAogCjAKQApQCmAKcAqACpAKoAqwCsAK0ArgCvALAAsQCyALMAtAC1ALYAtwC4ALkAugC7ALwAvQC+AL8AAA==
12 ms
AIAAgQCCAIMAhACFAIYAhwCIAIkAigCLAIwAjQCOAI8AkACRAJIAkwCUAJUAlgCXAJgAmQCaAJsAnACdAJ4AnwCgAKEAogCjAKQApQCmAKcAqACpAKoAqwCsAK0ArgCvALAAsQCyALMAtAC1ALYAtwC4ALkAugC7ALwAvQC+AL8AAA==
11 ms
AAA=
10 ms
AIAAgQCCAIMAhACFAIYAhwCIAIkAigCLAIwAjQCOAI8AkACRAJIAkwCUAJUAlgCXAJgAmQCaAJsAnACdAJ4AnwCgAKEAogCjAKQApQCmAKcAqACpAKoAqwCsAK0ArgCvALAAsQCyALMAtAC1ALYAtwC4ALkAugC7ALwAvQC+AL8AAA==
9 ms
AIAAgQCCAIMAhACFAIYAhwCIAIkAigCLAIwAjQCOAI8AkACRAJIAkwCUAJUAlgCXAJgAmQCaAJsAnACdAJ4AnwCgAKEAogCjAKQApQCmAKcAqACpAKoAqwCsAK0ArgCvALAAsQCyALMAtAC1ALYAtwC4ALkAugC7ALwAvQC+AL8AAA==
8 ms
embed
38 ms
js
49 ms
init_embed.js
46 ms
common.js
7 ms
util.js
26 ms
streetview.js
23 ms
google_white4.png
17 ms
marker.js
18 ms
imagery_viewer.js
16 ms
controls.js
70 ms
GeoPhotoService.GetMetadata
154 ms
transparent.png
45 ms
css
118 ms
geocoder.js
17 ms
sv4.png
77 ms
openhand_8_8.cur
84 ms
cbk
161 ms
GeoPhotoService.GetMetadata
117 ms
mapcnt6.png
57 ms
tmapctrl.png
70 ms
QHD8zigcbDB8aPfIoaupKOvvDin1pK8aKteLpeZ5c0A.ttf
27 ms
RxZJdnzeo3R5zSexge8UUSZ2oysoEQEeKwjgmXLRnTc.ttf
41 ms
Hgo13k-tfSpn0qi1SFdUfSZ2oysoEQEeKwjgmXLRnTc.ttf
48 ms
d-6IYplOFocCacKzxwXSOCZ2oysoEQEeKwjgmXLRnTc.ttf
48 ms
oabv.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
Links do not have a discernible name
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
oabv.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
oabv.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oabv.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 Oabv.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.
oabv.nl
Open Graph description is not detected on the main page of OABv. 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: