Tools & Wizards About Us
vstep.nl screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

vstep.nl

VSTEP Simulation | Leading in simulation and virtual solutions

Page Load Speed

5.6 sec in total

First Response

301 ms

Resources Loaded

5 sec

Page Rendered

315 ms

vstep.nl screenshot

About Website

Click here to check amazing VSTEP content. Otherwise, check out these important facts you probably never knew about vstep.nl

Our simulators train your skills in an efficient, cost-effective and sustainable way. Take your training to the next level with our cutting-edge products.

Visit vstep.nl

Key Findings

We analyzed Vstep.nl page load time and found that the first response time was 301 ms and then it took 5.3 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

vstep.nl performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

1/100

10%

LCP (Largest Contentful Paint)

Value20.2 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value2,690 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value23.5 s

1/100

10%

Network Requests Diagram

vstep.nl

301 ms

www.vstepsimulation.com

604 ms

layerslider.css

210 ms

front.min.css

301 ms

rtec-styles.css

302 ms

Our browser made a total of 124 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Vstep.nl, 91% (113 requests) were made to Vstepsimulation.com and 2% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Vstepsimulation.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 248.5 kB (37%)

Content Size

669.6 kB

After Optimization

421.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vstep.nl main page is 669.6 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. 60% of websites need less resources to load. Javascripts take 443.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 165.7 kB

  • Original 196.8 kB
  • After minification 192.9 kB
  • After compression 31.2 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 165.7 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 15.4 kB
  • After minification 15.4 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. VSTEP images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 75.9 kB

  • Original 443.1 kB
  • After minification 443.1 kB
  • After compression 367.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 75.9 kB or 17% of the original size.

CSS Optimization

-49%

Potential reduce by 7.0 kB

  • Original 14.3 kB
  • After minification 12.8 kB
  • After compression 7.3 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. Vstep.nl needs all CSS files to be minified and compressed as it can save up to 7.0 kB or 49% of the original size.

Requests Breakdown

Number of requests can be reduced by 106 (91%)

Requests Now

117

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VSTEP. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 99 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vstep.nl

vstep.nl

301 ms

www.vstepsimulation.com

www.vstepsimulation.com

604 ms

layerslider.css

layerslider.css

210 ms

front.min.css

front.min.css

301 ms

rtec-styles.css

rtec-styles.css

302 ms

26835719dbdf717e17a20f62268d8737.min.css

26835719dbdf717e17a20f62268d8737.min.css

624 ms

smartslider.min.css

smartslider.min.css

416 ms

css

css

38 ms

jquery.min.js

jquery.min.js

512 ms

jquery-migrate.min.js

jquery-migrate.min.js

468 ms

layerslider.utils.js

layerslider.utils.js

707 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

773 ms

layerslider.transitions.js

layerslider.transitions.js

729 ms

front.min.js

front.min.js

747 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

746 ms

add-to-cart.min.js

add-to-cart.min.js

740 ms

js.cookie.min.js

js.cookie.min.js

747 ms

woocommerce.min.js

woocommerce.min.js

853 ms

wpstg-blank-loader.min.js

wpstg-blank-loader.min.js

880 ms

267806.js

267806.js

57 ms

pixel.js

pixel.js

37 ms

n2.min.js

n2.min.js

903 ms

smartslider-frontend.min.js

smartslider-frontend.min.js

903 ms

ss-simple.min.js

ss-simple.min.js

892 ms

w-arrow-image.min.js

w-arrow-image.min.js

902 ms

w-bullet.min.js

w-bullet.min.js

917 ms

wc-blocks.css

wc-blocks.css

944 ms

yikes-inc-easy-mailchimp-extender-public.min.css

yikes-inc-easy-mailchimp-extender-public.min.css

1029 ms

style.min.css

style.min.css

1025 ms

index.js

index.js

1017 ms

index.js

index.js

1040 ms

rtec-scripts.js

rtec-scripts.js

1057 ms

sourcebuster.min.js

sourcebuster.min.js

1176 ms

order-attribution.min.js

order-attribution.min.js

1145 ms

wpcf7r-fe.js

wpcf7r-fe.js

1169 ms

api.js

api.js

31 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

1162 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

1185 ms

wp-polyfill.min.js

wp-polyfill.min.js

1260 ms

index.js

index.js

1278 ms

yikes-mc-ajax-forms.min.js

yikes-mc-ajax-forms.min.js

1289 ms

form-submission-helpers.min.js

form-submission-helpers.min.js

1286 ms

awb-tabs-widget.js

awb-tabs-widget.js

1183 ms

awb-vertical-menu-widget.js

awb-vertical-menu-widget.js

1169 ms

cssua.js

cssua.js

1191 ms

modernizr.js

modernizr.js

1088 ms

fusion.js

fusion.js

1103 ms

swiper.js

swiper.js

1080 ms

bootstrap.transition.js

bootstrap.transition.js

886 ms

bootstrap.tooltip.js

bootstrap.tooltip.js

905 ms

jquery.requestAnimationFrame.js

jquery.requestAnimationFrame.js

907 ms

jquery.easing.js

jquery.easing.js

889 ms

jquery.fitvids.js

jquery.fitvids.js

902 ms

jquery.flexslider.js

jquery.flexslider.js

960 ms

jquery.ilightbox.js

jquery.ilightbox.js

1115 ms

jquery.mousewheel.js

jquery.mousewheel.js

1012 ms

jquery.placeholder.min.js

jquery.placeholder.min.js

936 ms

gtm.js

gtm.js

158 ms

jquery.fade.js

jquery.fade.js

787 ms

imagesLoaded.js

imagesLoaded.js

817 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aX8.ttf

22 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

32 ms

fusion-equal-heights.js

fusion-equal-heights.js

838 ms

fusion-parallax.js

fusion-parallax.js

945 ms

fusion-video-general.js

fusion-video-general.js

980 ms

fusion-video-bg.js

fusion-video-bg.js

949 ms

fusion-lightbox.js

fusion-lightbox.js

910 ms

fusion-tooltip.js

fusion-tooltip.js

847 ms

fusion-sharing-box.js

fusion-sharing-box.js

871 ms

jquery.sticky-kit.js

jquery.sticky-kit.js

978 ms

fusion-youtube.js

fusion-youtube.js

927 ms

vimeoPlayer.js

vimeoPlayer.js

941 ms

lazysizes.js

lazysizes.js

859 ms

avada-woo-variations.js

avada-woo-variations.js

867 ms

avada-general-footer.js

avada-general-footer.js

874 ms

recaptcha__en.js

recaptcha__en.js

26 ms

avada-quantity.js

avada-quantity.js

926 ms

avada-crossfade-images.js

avada-crossfade-images.js

974 ms

avada-select.js

avada-select.js

892 ms

avada-contact-form-7.js

avada-contact-form-7.js

890 ms

avada-events.js

avada-events.js

888 ms

avada-live-search.js

avada-live-search.js

879 ms

fusion-alert.js

fusion-alert.js

949 ms

awb-off-canvas.js

awb-off-canvas.js

916 ms

fusion-flexslider.js

fusion-flexslider.js

894 ms

fusion-animations.js

fusion-animations.js

812 ms

fusion-column-legacy.js

fusion-column-legacy.js

799 ms

jquery.textillate.js

jquery.textillate.js

812 ms

fusion-title.js

fusion-title.js

875 ms

fusion-button.js

fusion-button.js

901 ms

awb-background-slider.js

awb-background-slider.js

896 ms

awb-carousel.js

awb-carousel.js

881 ms

fusion-container.js

fusion-container.js

892 ms

jquery.elasticslider.js

jquery.elasticslider.js

835 ms

avada-elastic-slider.js

avada-elastic-slider.js

838 ms

avada-fade.js

avada-fade.js

854 ms

avada-drop-down.js

avada-drop-down.js

875 ms

avada-to-top.js

avada-to-top.js

901 ms

avada-header.js

avada-header.js

853 ms

avada-menu.js

avada-menu.js

809 ms

bootstrap.scrollspy.js

bootstrap.scrollspy.js

801 ms

avada-scrollspy.js

avada-scrollspy.js

833 ms

avada-woo-products.js

avada-woo-products.js

834 ms

avada-woocommerce.js

avada-woocommerce.js

856 ms

avada-woo-product-images.js

avada-woo-product-images.js

829 ms

fusion-responsive-typography.js

fusion-responsive-typography.js

825 ms

fusion-scroll-to-anchor.js

fusion-scroll-to-anchor.js

783 ms

fusion-general-global.js

fusion-general-global.js

803 ms

fusion-video.js

fusion-video.js

811 ms

fusion-column.js

fusion-column.js

808 ms

awb-icons.woff

awb-icons.woff

868 ms

fa-solid-900.woff

fa-solid-900.woff

889 ms

fa-regular-400.woff

fa-regular-400.woff

824 ms

vstep-logo1x.png

vstep-logo1x.png

778 ms

vstep-logomobile1.png

vstep-logomobile1.png

772 ms

Icon.png

Icon.png

799 ms

NAUTIS.png

NAUTIS.png

812 ms

Chevron-logo-client.jpg

Chevron-logo-client.jpg

846 ms

gezamenlijke-brandweer-logo-300x150-1.png

gezamenlijke-brandweer-logo-300x150-1.png

817 ms

Response-Simulator-Block-2.jpg

Response-Simulator-Block-2.jpg

1050 ms

NAUTIS-Simulator-Block-2.jpg

NAUTIS-Simulator-Block-2.jpg

833 ms

nieuws_25623_17641_item_original-e1617968814444.jpg

nieuws_25623_17641_item_original-e1617968814444.jpg

791 ms

iframe_api

iframe_api

75 ms

www-widgetapi.js

www-widgetapi.js

4 ms

Accessibility Review

vstep.nl accessibility score

95

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

Low

No form fields have multiple labels

Best Practices

vstep.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

vstep.nl SEO score

91

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vstep.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Vstep.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

vstep.nl

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