Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

vsm.nl

VSM geeft je kracht uit de natuur · VSM geeft je kracht uit de natuur

Page Load Speed

4.5 sec in total

First Response

316 ms

Resources Loaded

3.4 sec

Page Rendered

760 ms

vsm.nl screenshot

About Website

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

Ben je op zoek naar een product van VSM of naar advies? Ga naar onze website! VSM geeft je kracht uit de natuur.

Visit vsm.nl

Key Findings

We analyzed Vsm.nl page load time and found that the first response time was 316 ms and then it took 4.2 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

vsm.nl performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value1,630 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.2 s

5/100

10%

Network Requests Diagram

vsm.nl

316 ms

www.vsm.nl

1107 ms

uikit.min.css

49 ms

polyfill.min.js

28 ms

stylesheet_combined_ff41d8eeb707181209ee745a925cbfb6.css

322 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 22% of them (10 requests) were addressed to the original Vsm.nl, 13% (6 requests) were made to Youtube.com and 9% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Staging-sdk.smit.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 627.7 kB (58%)

Content Size

1.1 MB

After Optimization

450.8 kB

In fact, the total size of Vsm.nl main page is 1.1 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. CSS take 372.9 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 207.6 kB

  • Original 247.8 kB
  • After minification 247.8 kB
  • After compression 40.1 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 207.6 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 249.5 kB
  • After minification 249.5 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. VSM images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 110.2 kB

  • Original 208.3 kB
  • After minification 208.3 kB
  • After compression 98.1 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 110.2 kB or 53% of the original size.

CSS Optimization

-83%

Potential reduce by 309.8 kB

  • Original 372.9 kB
  • After minification 372.7 kB
  • After compression 63.0 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. Vsm.nl needs all CSS files to be minified and compressed as it can save up to 309.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (58%)

Requests Now

33

After Optimization

14

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VSM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

vsm.nl accessibility score

87

Accessibility Issues

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.

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

Links do not have a discernible name

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

vsm.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

Serves images with low resolution

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

vsm.nl SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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