Tools & Wizards About Us
sonneveltopleidingen.nl screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

sonneveltopleidingen.nl

Sonnevelt Opleidingen | Opleiders voor vitaal leven

Page Load Speed

2.5 sec in total

First Response

191 ms

Resources Loaded

2.1 sec

Page Rendered

205 ms

sonneveltopleidingen.nl screenshot

About Website

Visit sonneveltopleidingen.nl now to see the best up-to-date Sonnevelt Opleidingen content for Netherlands and also check out these interesting facts you probably never knew about sonneveltopleidingen.nl

Sonnevelt biedt opleidingen aan op het gebied van vitaliteit en gezond leven. Persoonlijk en klassikaal. Met 29 jaar ervaring. 10x op rij verkozen tot Beste Opleider.

Visit sonneveltopleidingen.nl

Key Findings

We analyzed Sonneveltopleidingen.nl page load time and found that the first response time was 191 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

sonneveltopleidingen.nl performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value1,650 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value1.034

2/100

15%

TTI (Time to Interactive)

Value13.1 s

12/100

10%

Network Requests Diagram

sonneveltopleidingen.nl

191 ms

www.sonneveltopleidingen.nl

256 ms

www.sonneveltopleidingen.nl

408 ms

conversion.js

56 ms

css__kIm1HEsqpESwe1qXYGoce7InZtnxtTOV-QznmuVeGi0__GXoVx3dCptOwD1LcbrmBBJZEhEnHlFg23a3pSs8cpVI__6NSqD28GuCc7OvVO4iTE6QFWCzPUdfKyt5mpZKD_Xxk.css

101 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 67% of them (40 requests) were addressed to the original Sonneveltopleidingen.nl, 7% (4 requests) were made to Config1.veinteractive.com and 3% (2 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Sonneveltopleidingen.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (51%)

Content Size

2.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sonneveltopleidingen.nl main page is 2.2 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. 45% of websites need less resources to load. Javascripts take 938.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 49.5 kB

  • Original 62.1 kB
  • After minification 57.5 kB
  • After compression 12.6 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 49.5 kB or 80% of the original size.

Image Optimization

-10%

Potential reduce by 83.8 kB

  • Original 852.9 kB
  • After minification 769.1 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. Sonnevelt Opleidingen images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 714.9 kB

  • Original 938.3 kB
  • After minification 712.9 kB
  • After compression 223.4 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 714.9 kB or 76% of the original size.

CSS Optimization

-84%

Potential reduce by 252.1 kB

  • Original 300.3 kB
  • After minification 299.8 kB
  • After compression 48.2 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. Sonneveltopleidingen.nl needs all CSS files to be minified and compressed as it can save up to 252.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (47%)

Requests Now

51

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sonnevelt Opleidingen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sonneveltopleidingen.nl

sonneveltopleidingen.nl

191 ms

www.sonneveltopleidingen.nl

www.sonneveltopleidingen.nl

256 ms

www.sonneveltopleidingen.nl

www.sonneveltopleidingen.nl

408 ms

conversion.js

conversion.js

56 ms

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css__kIm1HEsqpESwe1qXYGoce7InZtnxtTOV-QznmuVeGi0__GXoVx3dCptOwD1LcbrmBBJZEhEnHlFg23a3pSs8cpVI__6NSqD28GuCc7OvVO4iTE6QFWCzPUdfKyt5mpZKD_Xxk.css

101 ms

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283 ms

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342 ms

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266 ms

jquery.min.js

jquery.min.js

38 ms

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298 ms

3134682888.js

3134682888.js

178 ms

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374 ms

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297 ms

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365 ms

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374 ms

tag.js

tag.js

295 ms

40 ms

fbevents.js

fbevents.js

20 ms

bovnllogo-2015_website.png

bovnllogo-2015_website.png

314 ms

logo_header.png

logo_header.png

416 ms

beweegcoach_0.jpg

beweegcoach_0.jpg

771 ms

natuurvoedingsadviseur.jpg

natuurvoedingsadviseur.jpg

778 ms

stresscounselor_0.jpg

stresscounselor_0.jpg

844 ms

klassikaal_1_carousel.jpg

klassikaal_1_carousel.jpg

855 ms

relatiecoach_vierkant_0.jpg

relatiecoach_vierkant_0.jpg

590 ms

opleider_van_het_jaar_uitsnede012.jpg

opleider_van_het_jaar_uitsnede012.jpg

690 ms

vitaliteitsadviseur_vierkant_0.jpg

vitaliteitsadviseur_vierkant_0.jpg

774 ms

img_2267.jpg

img_2267.jpg

874 ms

student_ervaringen_scherper.jpg

student_ervaringen_scherper.jpg

857 ms

image1_0.jpg

image1_0.jpg

957 ms

kies_je_studie_bijgesneden_2.jpg

kies_je_studie_bijgesneden_2.jpg

861 ms

beroepsverenigingen.jpg

beroepsverenigingen.jpg

934 ms

gratis_studieadvies.jpg

gratis_studieadvies.jpg

947 ms

Icoon_Twitter_wit.svg

Icoon_Twitter_wit.svg

940 ms

Icoon_facebook_wit.svg

Icoon_facebook_wit.svg

945 ms

Icoon_google%20plus_wit.svg

Icoon_google%20plus_wit.svg

966 ms

Icoon_LinkedIn_wit.svg

Icoon_LinkedIn_wit.svg

1023 ms

Icoon_YouTube_wit.svg

Icoon_YouTube_wit.svg

1030 ms

21 ms

22 ms

37 ms

Merriweather.woff

Merriweather.woff

734 ms

analytics.js

analytics.js

105 ms

hotjar-30145.js

hotjar-30145.js

698 ms

gtm.js

gtm.js

160 ms

SONN_Zoek%20symbool.svg

SONN_Zoek%20symbool.svg

684 ms

SONN_Handje.svg

SONN_Handje.svg

687 ms

vinkje.svg

vinkje.svg

716 ms

lijn.png

lijn.png

751 ms

capture-apps-4.6.0.js

capture-apps-4.6.0.js

62 ms

MerriweatherSansBold.woff

MerriweatherSansBold.woff

719 ms

MerriweatherSansBook.woff

MerriweatherSansBook.woff

713 ms

up-arrow.png

up-arrow.png

738 ms

collect

collect

19 ms

collect

collect

57 ms

iframeStorage.html

iframeStorage.html

117 ms

ga-audiences

ga-audiences

19 ms

iframeStorage.js

iframeStorage.js

4 ms

appsmanagerinit

appsmanagerinit

203 ms

modules-043c1e6abe660c48857202e419ff9d8a.js

modules-043c1e6abe660c48857202e419ff9d8a.js

45 ms

Accessibility Review

sonneveltopleidingen.nl accessibility score

59

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sonneveltopleidingen.nl best practices score

75

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

SEO Factors

sonneveltopleidingen.nl SEO score

88

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

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 Sonneveltopleidingen.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 Sonneveltopleidingen.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

sonneveltopleidingen.nl

Open Graph description is not detected on the main page of Sonnevelt Opleidingen. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: