Tools & Wizards About Us
sneleren.nl screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

sneleren.nl

Sneleren - Want Snel leren, doe je zelf! - de Doe-Het-Zelf Website

Page Load Speed

15.3 sec in total

First Response

293 ms

Resources Loaded

14.3 sec

Page Rendered

688 ms

sneleren.nl screenshot

About Website

Visit sneleren.nl now to see the best up-to-date Sneleren content and also check out these interesting facts you probably never knew about sneleren.nl

Ontdek je creatieve en nieuwsgierige kant. Al meer dan 250 artikelen voor jou om van te leren. Je wordt snel slimmer op Sneleren!

Visit sneleren.nl

Key Findings

We analyzed Sneleren.nl page load time and found that the first response time was 293 ms and then it took 15 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

sneleren.nl performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value390 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

sneleren.nl

293 ms

www.sneleren.nl

1433 ms

autoptimize_dbba08a88901d83435f05663b03815e0.css

212 ms

css

30 ms

autoptimize_single_ee66ed5bce6bdce22794207015315f7d.css

398 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 39% of them (14 requests) were addressed to the original Sneleren.nl, 50% (18 requests) were made to Sp-ao.shortpixel.ai and 8% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (10.9 sec) relates to the external source Sp-ao.shortpixel.ai.

Page Optimization Overview & Recommendations

Page size can be reduced by 48.6 kB (5%)

Content Size

952.6 kB

After Optimization

904.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sneleren.nl main page is 952.6 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. 35% of websites need less resources to load. Images take 609.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 48.4 kB

  • Original 58.7 kB
  • After minification 58.7 kB
  • After compression 10.3 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 48.4 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 3 B

  • Original 609.1 kB
  • After minification 609.1 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. Sneleren images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 72 B

  • Original 219.3 kB
  • After minification 219.3 kB
  • After compression 219.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 150 B

  • Original 65.6 kB
  • After minification 65.6 kB
  • After compression 65.4 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. Sneleren.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (20%)

Requests Now

30

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sneleren. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sneleren.nl

sneleren.nl

293 ms

www.sneleren.nl

www.sneleren.nl

1433 ms

autoptimize_dbba08a88901d83435f05663b03815e0.css

autoptimize_dbba08a88901d83435f05663b03815e0.css

212 ms

css

css

30 ms

autoptimize_single_ee66ed5bce6bdce22794207015315f7d.css

autoptimize_single_ee66ed5bce6bdce22794207015315f7d.css

398 ms

jquery.min.js

jquery.min.js

408 ms

www.sneleren.nl

www.sneleren.nl

1192 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

297 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

303 ms

wp-polyfill.min.js

wp-polyfill.min.js

319 ms

hooks.min.js

hooks.min.js

442 ms

autoptimize_2ac475e3ec7725d6792dfb053923d721.js

autoptimize_2ac475e3ec7725d6792dfb053923d721.js

609 ms

sneleren_logo-200x79.png

sneleren_logo-200x79.png

82 ms

calendar-660670_1280-768x576.jpg

calendar-660670_1280-768x576.jpg

198 ms

youtube-7491354_1280-768x550.png

youtube-7491354_1280-768x550.png

189 ms

android-994910_1280-768x511.jpg

android-994910_1280-768x511.jpg

186 ms

scooter-7737073_1280-768x510.jpg

scooter-7737073_1280-768x510.jpg

194 ms

sutirta-budiman-xrXFrlMkLQ4-unsplash-768x614.jpg

sutirta-budiman-xrXFrlMkLQ4-unsplash-768x614.jpg

189 ms

jumper-cables-926308_1280-768x576.jpg

jumper-cables-926308_1280-768x576.jpg

189 ms

pexels-pixabay-33488-768x576.jpg

pexels-pixabay-33488-768x576.jpg

331 ms

apple-4082469_1280-768x512.jpg

apple-4082469_1280-768x512.jpg

10870 ms

pexels-hazardos-1535244-768x512.jpg

pexels-hazardos-1535244-768x512.jpg

339 ms

alt-toets-op-toetsenbord-768x576.jpg

alt-toets-op-toetsenbord-768x576.jpg

406 ms

kindergarten-421623_1280-768x576.jpg

kindergarten-421623_1280-768x576.jpg

358 ms

pexels-dkux-932320-768x447.jpg

pexels-dkux-932320-768x447.jpg

482 ms

pexels-atbo-66986-245240-768x512.jpg

pexels-atbo-66986-245240-768x512.jpg

562 ms

pexels-marcelo-rodrigo-215593560-20240241-768x576.jpg

pexels-marcelo-rodrigo-215593560-20240241-768x576.jpg

341 ms

pexels-pixabay-236151-768x513.jpg

pexels-pixabay-236151-768x513.jpg

463 ms

pexels-fauxels-3184465-768x512.jpg

pexels-fauxels-3184465-768x512.jpg

483 ms

sneleren-logo-white.png

sneleren-logo-white.png

534 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

28 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

37 ms

astra.woff

astra.woff

100 ms

pxiByp8kv8JHgFVrLCz7Z1xlEA.ttf

pxiByp8kv8JHgFVrLCz7Z1xlEA.ttf

37 ms

call-center-7786815_1280-768x512.jpg

call-center-7786815_1280-768x512.jpg

98 ms

pexels-paulita-170453-768x512.jpg

pexels-paulita-170453-768x512.jpg

99 ms

Accessibility Review

sneleren.nl accessibility score

83

Accessibility Issues

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

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

High

Buttons do not have an accessible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

sneleren.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sneleren.nl SEO score

98

Search Engine Optimization Advices

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Sneleren.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 Sneleren.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

sneleren.nl

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