3.7 sec in total
258 ms
3.2 sec
219 ms
Click here to check amazing RET content for Netherlands. Otherwise, check out these important facts you probably never knew about ret.nl
Bekijk de actuele vertrektijden voor bus, tram en metro in de dienstregeling van de RET of plan een reis met het openbaar vervoer.
Visit ret.nlWe analyzed Ret.nl page load time and found that the first response time was 258 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
ret.nl performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value16.4 s
0/100
25%
Value7.6 s
26/100
10%
Value140 ms
95/100
30%
Value0.319
36/100
15%
Value6.0 s
64/100
10%
258 ms
1056 ms
247 ms
747 ms
167 ms
Our browser made a total of 101 requests to load all elements on the main page. We found that 74% of them (75 requests) were addressed to the original Ret.nl, 10% (10 requests) were made to Js.arcgis.com and 3% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Ret.nl.
Page size can be reduced by 1.7 MB (58%)
2.8 MB
1.2 MB
In fact, the total size of Ret.nl main page is 2.8 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. Javascripts take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 42.6 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 42.6 kB or 80% of the original size.
Potential reduce by 13.0 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. RET images are well optimized though.
Potential reduce by 1.1 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 1.1 MB or 68% of the original size.
Potential reduce by 490.7 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. Ret.nl needs all CSS files to be minified and compressed as it can save up to 490.7 kB or 83% of the original size.
Number of requests can be reduced by 69 (73%)
95
26
The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RET. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 49 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
ret.nl
258 ms
www.ret.nl
1056 ms
stylesheet_cc5e9aa88b.css
247 ms
styles.css
747 ms
fallback.js
167 ms
javascript_93077bb238.js
167 ms
detectmobile.js
167 ms
FlashAlert_0x0.js
173 ms
jQuery.min.js
586 ms
UI.min.js
171 ms
Widget.min.js
171 ms
Mouse.min.js
247 ms
Position.min.js
253 ms
Tabs.min.js
334 ms
DatePicker.min.js
454 ms
Dutch.js
330 ms
AutoComplete.min.js
416 ms
Cookie.js
412 ms
Cycle.min.js
497 ms
FancyBox.min.js
576 ms
jCarousel.min.js
580 ms
jScrollPane.min.js
534 ms
Selectbox.min.js
577 ms
Validation.min.js
697 ms
EqualHeight.min.js
673 ms
jTemplates.min.js
673 ms
Iban.js
673 ms
Validators.js
673 ms
lib.js
820 ms
Timetable.js
820 ms
StopTimetable.js
738 ms
general.js
821 ms
pi1_javascript.js
821 ms
pi1_javascript.js
776 ms
pi1_javascript.js
820 ms
pi1_javascript.js
858 ms
metrostations.js
900 ms
js
79 ms
MetroStation.js
900 ms
javascript_pi1.js
830 ms
jquery.fancybox.css
252 ms
Webshop_Aardig_Onderweg_01.jpg
500 ms
real-time-app_01.jpg
341 ms
logo.png
254 ms
bg-nav.png
250 ms
bg-nav-left.png
255 ms
search.png
252 ms
bullet.png
256 ms
home-form-tabs-bg.png
257 ms
input-text.png
257 ms
input-submit-powered.png
257 ms
form-extender.png
326 ms
icons_schedule.png
328 ms
input-submit.png
327 ms
diversions-bg.png
328 ms
diversions-icons.png
339 ms
tweet-diversion.png
340 ms
button-blue-right.png
338 ms
button-blue-left.png
340 ms
footer-logo.png
413 ms
more.png
392 ms
home-tabs-shadow.png
392 ms
ie-pixel.png
393 ms
corners-whitebg-border.png
393 ms
bg-footer.png
473 ms
ga.js
175 ms
gtm.js
175 ms
cell-slider-right-border.png
251 ms
home-form-tabs-right.png
252 ms
home-form-tabs-left.png
253 ms
home-form-tabs-bg-bottom.png
253 ms
home-tabs-active.png
331 ms
select-drop-bottom342.png
332 ms
header-cycle-nav.png
333 ms
exit.png
406 ms
Lijnennetkaart.html
324 ms
__utm.gif
44 ms
conversion_async.js
26 ms
dc.js
43 ms
fbds.js
17 ms
__utm.gif
18 ms
collect
72 ms
activityi;src=5200288;type=allpages;cat=allpages;u1=;u2=;u3=;u4=;u5=0;u6=1456759742;u7=0;u8=Linux%20x86_64;ord=6860578384460;~oref=http%3A%2F%2Fwww.ret.nl%2F
47 ms
41 ms
collect
70 ms
127 ms
48 ms
style.css
85 ms
fullscreen_normal.png
87 ms
embedViewer.html
53 ms
dijit.css
45 ms
esri.css
50 ms
config.js
8 ms
init.js
33 ms
jsapi_en-us.js
50 ms
svg.js
17 ms
Scalebar.js
8 ms
HomeButton.js
7 ms
blank.gif
43 ms
filters.js
5 ms
svgext.js
4 ms
ret.nl 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 are not valid or misspelled
ARIA IDs 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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
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.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
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.
ret.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
Page has valid source maps
ret.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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ret.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ret.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.
ret.nl
Open Graph description is not detected on the main page of RET. 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: