4.1 sec in total
408 ms
3.5 sec
237 ms
Welcome to rekenmachineonline.com homepage info - get ready to check Rekenmachine Online best content for Netherlands right away, or after learning these important things about rekenmachineonline.com
Op Rekenmachine Online vind je een handige en snelle rekenmachine waarmee je gemakkelijk sommen oplost. Rekenmachineonline.com helpt met rekenen.
Visit rekenmachineonline.comWe analyzed Rekenmachineonline.com page load time and found that the first response time was 408 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
rekenmachineonline.com performance score
name
value
score
weighting
Value2.7 s
60/100
10%
Value2.7 s
86/100
25%
Value6.1 s
45/100
10%
Value1,780 ms
10/100
30%
Value0.001
100/100
15%
Value12.0 s
16/100
10%
408 ms
383 ms
105 ms
197 ms
92 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 16% of them (10 requests) were addressed to the original Rekenmachineonline.com, 14% (9 requests) were made to Tpc.googlesyndication.com and 11% (7 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Googleads.g.doubleclick.net.
Page size can be reduced by 125.8 kB (33%)
386.0 kB
260.2 kB
In fact, the total size of Rekenmachineonline.com main page is 386.0 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. 65% of websites need less resources to load. Javascripts take 206.5 kB which makes up the majority of the site volume.
Potential reduce by 32.4 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 32.4 kB or 77% of the original size.
Potential reduce by 76.1 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. Obviously, Rekenmachine Online needs image optimization as it can save up to 76.1 kB or 56% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 17.1 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. This website has mostly compressed JavaScripts.
Potential reduce by 255 B
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. Rekenmachineonline.com needs all CSS files to be minified and compressed as it can save up to 255 B or 14% of the original size.
Number of requests can be reduced by 26 (48%)
54
28
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rekenmachine Online. 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 as a result speed up the page load time.
rekenmachineonline.com
408 ms
rekenmachineonline.com
383 ms
style.css
105 ms
rekenmachineOnline.js
197 ms
show_ads.js
92 ms
ga.js
212 ms
all.js
211 ms
widgets.js
300 ms
plusone.js
302 ms
show_ads_impl.js
162 ms
logo.png
438 ms
menu.png
130 ms
menu-schot.png
439 ms
content-bg.png
610 ms
vaandel.png
610 ms
aside-schot2.png
597 ms
forwarded
597 ms
all.js
86 ms
__utm.gif
332 ms
widget_iframe.c4bdc17e77719578b594d5555bee90db.html
385 ms
cb=gapi.loaded_0
152 ms
cb=gapi.loaded_1
194 ms
fastbutton
188 ms
cookie.js
308 ms
integrator.js
303 ms
ads
670 ms
ads
1007 ms
ads
1336 ms
postmessageRelay
390 ms
settings
163 ms
104 ms
developers.google.com
384 ms
button.c6c95b9789db97ea1e9742d215fff751.js
27 ms
embeds
59 ms
tweet_button.c4bdc17e77719578b594d5555bee90db.nl.html
56 ms
1832714284-postmessagerelay.js
24 ms
rpc:shindig_random.js
19 ms
cb=gapi.loaded_0
13 ms
downsize_200k_v1
124 ms
load_preloaded_resource.js
133 ms
abg_lite.js
140 ms
window_focus.js
188 ms
qs_click_protection.js
188 ms
rx_lidar.js
139 ms
042791247ab671b2831aa311d6583330.js
112 ms
icon.png
105 ms
s
206 ms
css
34 ms
activeview
54 ms
4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyzAFyo4d4k.ttf
68 ms
4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyzAFyo4d4k.ttf
68 ms
11570694900522404581
147 ms
one_click_handler_one_afma.js
18 ms
activeview
26 ms
adsbygoogle.js
50 ms
sodar
73 ms
bD2V1yF27SqeqYvgyYYSPdiNu290SHC9vzB8BmtCvBI.js
57 ms
zrt_lookup.html
174 ms
sodar2.js
171 ms
integrator.js
165 ms
133 ms
runner.html
37 ms
aframe
77 ms
rekenmachineonline.com 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.
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
Form elements do not have associated labels
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
rekenmachineonline.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
rekenmachineonline.com SEO score
NL
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rekenmachineonline.com 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 Rekenmachineonline.com 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.
rekenmachineonline.com
Open Graph description is not detected on the main page of Rekenmachine Online. 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: