1.2 sec in total
342 ms
674 ms
171 ms
Welcome to roicalculator.nl homepage info - get ready to check Roicalculator best content right away, or after learning these important things about roicalculator.nl
TransIP - Reserved domain
Visit roicalculator.nlWe analyzed Roicalculator.nl page load time and found that the first response time was 342 ms and then it took 845 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
roicalculator.nl performance score
name
value
score
weighting
Value1.8 s
90/100
10%
Value2.4 s
91/100
25%
Value2.1 s
99/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.8 s
100/100
10%
342 ms
163 ms
28 ms
7 ms
161 ms
Our browser made a total of 8 requests to load all elements on the main page. We found that 50% of them (4 requests) were addressed to the original Roicalculator.nl, 38% (3 requests) were made to Google-analytics.com and 13% (1 request) were made to Adobe.com. The less responsive or slowest element that took the longest time to load (342 ms) belongs to the original domain Roicalculator.nl.
Page size can be reduced by 8.0 kB (20%)
41.0 kB
32.9 kB
In fact, the total size of Roicalculator.nl main page is 41.0 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. Only 10% of websites need less resources to load. Javascripts take 26.9 kB which makes up the majority of the site volume.
Potential reduce by 1.7 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. 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 1.7 kB or 54% of the original size.
Potential reduce by 271 B
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. Roicalculator images are well optimized though.
Potential reduce by 6.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 6.1 kB or 23% of the original size.
We found no issues to fix!
7
7
The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Roicalculator. According to our analytics all requests are already optimized.
roicalculator.nl
342 ms
swfobject.js
163 ms
ga.js
28 ms
get_flash_player.gif
7 ms
bg.jpg
161 ms
roicalculator_small.png
162 ms
__utm.gif
11 ms
__utm.gif
20 ms
roicalculator.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
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.
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
roicalculator.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
roicalculator.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
robots.txt is not valid
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
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Roicalculator.nl can be misinterpreted by Google and other search engines. Our service has detected that English 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 Roicalculator.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
roicalculator.nl
Open Graph description is not detected on the main page of Roicalculator. 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: