Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

simpelbellen.nl

Simpelbellen.nl - De objectieve vergelijker in Sim Only

Page Load Speed

4.2 sec in total

First Response

290 ms

Resources Loaded

3 sec

Page Rendered

909 ms

simpelbellen.nl screenshot

About Website

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

Alle Sim Only aanbieders eenvoudig & snel vergelijken op Simpelbellen.nl. De objectieve website voor het goedkoop afsluiten van een Sim Only-abbonement.

Visit simpelbellen.nl

Key Findings

We analyzed Simpelbellen.nl page load time and found that the first response time was 290 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

simpelbellen.nl performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.167

71/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

simpelbellen.nl

290 ms

www.simpelbellen.nl

654 ms

style.css

320 ms

style.min.css

316 ms

jquery.js

401 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 74% of them (48 requests) were addressed to the original Simpelbellen.nl, 9% (6 requests) were made to Apis.google.com and 3% (2 requests) were made to Developers.affiliateprogramma.eu. The less responsive or slowest element that took the longest time to load (846 ms) belongs to the original domain Simpelbellen.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 168.1 kB (29%)

Content Size

577.9 kB

After Optimization

409.8 kB

In fact, the total size of Simpelbellen.nl main page is 577.9 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. 50% of websites need less resources to load. Javascripts take 329.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 17.5 kB

  • Original 23.1 kB
  • After minification 21.6 kB
  • After compression 5.7 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 17.5 kB or 75% of the original size.

Image Optimization

-10%

Potential reduce by 22.3 kB

  • Original 215.0 kB
  • After minification 192.6 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. Simpelbellen images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 127.1 kB

  • Original 329.6 kB
  • After minification 329.6 kB
  • After compression 202.4 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 127.1 kB or 39% of the original size.

CSS Optimization

-11%

Potential reduce by 1.2 kB

  • Original 10.2 kB
  • After minification 10.2 kB
  • After compression 9.1 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. Simpelbellen.nl needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (50%)

Requests Now

50

After Optimization

25

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Simpelbellen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

simpelbellen.nl accessibility score

70

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

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

simpelbellen.nl best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

simpelbellen.nl SEO score

71

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Simpelbellen.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Simpelbellen.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

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