Access sn.nl. Wij maken mensen en organisaties sterker

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value4.8 s

66/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

www.sn.nl

470 ms

style.css

258 ms

aos.css

61 ms

fancybox.css

38 ms

tiny-slider.js

345 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 67% of them (39 requests) were addressed to the original Sn.nl, 16% (9 requests) were made to Use.typekit.net and 7% (4 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (931 ms) belongs to the original domain Sn.nl.

Content Size

2.6 MB

After Optimization

2.3 MB

In fact, the total size of Sn.nl main page is 2.6 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. 55% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 120.5 kB

Original 136.0 kB
After minification 81.5 kB
After compression 15.4 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. This page needs HTML code to be minified as it can gain 54.5 kB, which is 40% 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 120.5 kB or 89% of the original size.

Image Optimization

-3%

Potential reduce by 68.3 kB

Original 2.2 MB
After minification 2.1 MB

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. Sn images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 100.1 kB

Original 168.2 kB
After minification 168.2 kB
After compression 68.2 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 100.1 kB or 59% of the original size.

CSS Optimization

-32%

Potential reduce by 17.6 kB

Original 54.1 kB
After minification 54.1 kB
After compression 36.6 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. Sn.nl needs all CSS files to be minified and compressed as it can save up to 17.6 kB or 32% of the original size.

Requests Now

After Optimization

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

NL
Language Claimed

NL
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sn.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 Sn.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.

Social Sharing Optimization

sn.nl

Open Graph data is detected on the main page of Sn. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Wij maken mensen en organisaties sterker | Schouten & Nelissen

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.sn.nl

style.css

aos.css

fancybox.css

tiny-slider.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.sn.nl

style.css

aos.css

fancybox.css

tiny-slider.js

fancybox.umd.js

uc.js

aos.css

polyfill.min.js

aspnet-validation.min.js

app.js

aos.js

aos.js

qms5llj.css

p.css

gtm.js

slide-1.png

slide-2.png

slide-3.png

people.svg

label.svg

star.svg

hoed.svg

beenhere_fill0_wght400_grad0_opsz48-copy.svg

touch_app_fill0_wght400_grad0_opsz48-copy.svg

diamond_fill0_wght400_grad0_opsz48-copy.svg

bubble_chart_fill0_wght400_grad0_opsz48-copy.svg

home_work_fill0_wght400_grad0_opsz48-copy.svg

handshake_fill0_wght400_grad0_opsz48-copy.svg

label.svg

hoed.svg

shutterstock_439232554.jpg

legacy-nu.jpg

sn-sterker_concrete.jpg

image001-2.png

SN_Corp_Diap.webp

suas_logo_fc.png

logo-relevance.svg

competence_logo_fc_zonder-asnc.svg

realise_zonder-asnc.png

new-dawn-230x150.svg

logo_someone-2021_cmyk_zonder-asnc.svg

newheroesacademylogo.svg