Tools & Wizards About Us

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

simonlevelt.nl

Simon Lévelt Koffie & Thee | Simon Lévelt | Koffie en thee sinds 1826

Page Load Speed

5.5 sec in total

First Response

389 ms

Resources Loaded

5 sec

Page Rendered

116 ms

About Website

Welcome to simonlevelt.nl homepage info - get ready to check Simon Levelt best content for Netherlands right away, or after learning these important things about simonlevelt.nl

Al 200 jaar vormen thee en koffie onze passie. Bij Simon Lévelt vind je een uitgebreid assortiment losse thee en versgemalen koffie.

Visit simonlevelt.nl

Key Findings

We analyzed Simonlevelt.nl page load time and found that the first response time was 389 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

simonlevelt.nl performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value19.1 s

0/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value2,750 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value18.5 s

3/100

10%

Network Requests Diagram

simonlevelt.nl

389 ms

www.simonlevelt.nl

1426 ms

uc.js

42 ms

gtm.js

97 ms

optimize.js

66 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 73% of them (45 requests) were addressed to the original Simonlevelt.nl, 18% (11 requests) were made to Kiyoh.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Simonlevelt.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 732.0 kB (17%)

Content Size

4.3 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Simonlevelt.nl main page is 4.3 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. 65% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 114.5 kB

  • Original 190.8 kB
  • After minification 190.7 kB
  • After compression 76.4 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 114.5 kB or 60% of the original size.

Image Optimization

-13%

Potential reduce by 428.3 kB

  • Original 3.4 MB
  • After minification 3.0 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. Obviously, Simon Levelt needs image optimization as it can save up to 428.3 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-29%

Potential reduce by 142.6 kB

  • Original 489.4 kB
  • After minification 489.4 kB
  • After compression 346.8 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 142.6 kB or 29% of the original size.

CSS Optimization

-23%

Potential reduce by 46.6 kB

  • Original 206.8 kB
  • After minification 206.8 kB
  • After compression 160.2 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. Simonlevelt.nl needs all CSS files to be minified and compressed as it can save up to 46.6 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (15%)

Requests Now

47

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Simon Levelt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

simonlevelt.nl accessibility score

80

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

button, link, and menuitem elements do not have accessible names.

High

ARIA IDs are not unique

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

High

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

High

Links do not have a discernible 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

simonlevelt.nl best practices score

67

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

simonlevelt.nl SEO score

96

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 Simonlevelt.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 Simonlevelt.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 Simon Levelt. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: