5.9 sec in total
349 ms
5.3 sec
283 ms
Click here to check amazing OLVG content for Netherlands. Otherwise, check out these important facts you probably never knew about olvg.nl
OLVG wil een sleutelrol vervullen in de verbetering van de gezondheid en zorg voor iedereen in onze stedelijke omgeving.
Visit olvg.nlWe analyzed Olvg.nl page load time and found that the first response time was 349 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
olvg.nl performance score
name
value
score
weighting
Value2.6 s
65/100
10%
Value6.7 s
8/100
25%
Value4.4 s
74/100
10%
Value30 ms
100/100
30%
Value0.096
90/100
15%
Value5.5 s
71/100
10%
349 ms
335 ms
2970 ms
415 ms
271 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 93% of them (56 requests) were addressed to the original Olvg.nl, 3% (2 requests) were made to Ssl.google-analytics.com and 2% (1 request) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Olvg.nl.
Page size can be reduced by 583.9 kB (34%)
1.7 MB
1.1 MB
In fact, the total size of Olvg.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. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 82.7 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 34.2 kB, which is 36% 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 82.7 kB or 88% of the original size.
Potential reduce by 59.4 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. OLVG images are well optimized though.
Potential reduce by 170.5 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 170.5 kB or 68% of the original size.
Potential reduce by 271.2 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. Olvg.nl needs all CSS files to be minified and compressed as it can save up to 271.2 kB or 85% of the original size.
Number of requests can be reduced by 31 (54%)
57
26
The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OLVG. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
olvg.nl
349 ms
www.olvg.nl
335 ms
www.olvg.nl
2970 ms
olvg.less.css
415 ms
jquery.cookiecare.css
271 ms
websitetoolbar.css
301 ms
ezfind.css
305 ms
ezajax_autocomplete.css
308 ms
kaartje.css
301 ms
jquery-1.10.2.min.js
532 ms
jquery.fancybox.js
395 ms
jquery.cookie.js
401 ms
jquery.swfobject.js
396 ms
jquery.cookiecare.js
404 ms
bootstrap-transition.js
487 ms
bootstrap-affix.js
489 ms
bootstrap-alert.js
501 ms
bootstrap-dropdown.js
500 ms
bootstrap-collapse.js
511 ms
bootstrap-modal.js
579 ms
bootstrap-tab.js
582 ms
bootstrap-tooltip.js
600 ms
bootstrap-popover.js
598 ms
bootstrap-typeahead.js
610 ms
global.ui.js
614 ms
global.modal.js
670 ms
global.search.js
679 ms
global.mobilenav.js
705 ms
global.thumbnail.js
707 ms
global.init.js
709 ms
modernizr.custom.js
700 ms
olvg.js
761 ms
init.js
771 ms
bootstrap-carousel.js
825 ms
fkb5vvu.js
224 ms
5Yx1W89i_bigger.png
127 ms
campagnebanner-olvg.png
115 ms
campagne-modal-sluiten.png
116 ms
olvg_campagne_layer_top.png
197 ms
olvg_campagne_layer_bottom.png
209 ms
logo.png
110 ms
olvg_beter_in_amsterdam.jpg
881 ms
cenkay_viel_veertig_kilo_af_de_motivatie_moet_uit_jezelf_komen.jpg
714 ms
werken_bij_het_olvg.jpg
438 ms
primeur_olvg_gebruikt_als_eerste_in_de_wereld_een_ultradunne_stent_small.jpg
221 ms
olvg_scoort_goed_op_ontwikkeling_duurzaamheid_en_bedrijfscultuur_small.jpg
294 ms
metamorfose_voor_bloedafname_small.jpg
309 ms
complexe_robotische_behandeling_van_hartritmestoornissen_vanaf_de_buitenkant_van_het_hart_small.jpg
544 ms
ons_ideale_bed_bestond_niet_dus_besloten_we_het_zelf_te_laten_ontwikkelen_small.jpg
392 ms
staarcampagne_large.jpg
508 ms
beter_januari_2016_small.png
490 ms
olvg_voor_kinderen_large.jpg
547 ms
olvg_over_kwaliteit_large.jpg
597 ms
olvg_en_santeon_large.png
726 ms
olvg_vacatures_large.jpg
654 ms
logo_santeon.png
655 ms
loading.gif
708 ms
ga.js
62 ms
icons.woff
686 ms
__utm.gif
25 ms
olvg.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
olvg.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
General
Impact
Issue
Detected JavaScript libraries
olvg.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Olvg.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 Olvg.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.
olvg.nl
Open Graph data is detected on the main page of OLVG. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: