Tools & Wizards About Us
rederij-vooruit.com screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

rederij-vooruit.com

Rental of traditional sailing ships Rederij Vooruit

Page Load Speed

22.5 sec in total

First Response

292 ms

Resources Loaded

21.6 sec

Page Rendered

606 ms

rederij-vooruit.com screenshot

About Website

Click here to check amazing Rederij Vooruit content. Otherwise, check out these important facts you probably never knew about rederij-vooruit.com

Rederij Vooruit, the expert in the rental of traditional sailing ships. Experience an unforgettable sailing trip with Rederij Vooruit, read more!

Visit rederij-vooruit.com

Key Findings

We analyzed Rederij-vooruit.com page load time and found that the first response time was 292 ms and then it took 22.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

rederij-vooruit.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value18.6 s

0/100

25%

SI (Speed Index)

Value9.1 s

13/100

10%

TBT (Total Blocking Time)

Value1,150 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value18.3 s

3/100

10%

Network Requests Diagram

rederij-vooruit.com

292 ms

www.rederij-vooruit.nl

607 ms

basticom-klantenvertellen-public.css

89 ms

cookieblocker.min.css

177 ms

stylesheet.css

265 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Rederij-vooruit.com, 90% (74 requests) were made to Rederij-vooruit.nl and 4% (3 requests) were made to Cdn.bookzoapi.nl. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Unpkg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 537.2 kB (6%)

Content Size

9.2 MB

After Optimization

8.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rederij-vooruit.com main page is 9.2 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. 55% of websites need less resources to load. Images take 7.9 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 101.9 kB

  • Original 119.5 kB
  • After minification 107.8 kB
  • After compression 17.7 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 101.9 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 253.1 kB

  • Original 7.9 MB
  • After minification 7.7 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. Rederij Vooruit images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 181.7 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 882.2 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 181.7 kB or 17% of the original size.

CSS Optimization

-1%

Potential reduce by 551 B

  • Original 73.4 kB
  • After minification 73.4 kB
  • After compression 72.8 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. Rederij-vooruit.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (32%)

Requests Now

72

After Optimization

49

  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rederij Vooruit. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rederij-vooruit.com

rederij-vooruit.com

292 ms

www.rederij-vooruit.nl

www.rederij-vooruit.nl

607 ms

basticom-klantenvertellen-public.css

basticom-klantenvertellen-public.css

89 ms

cookieblocker.min.css

cookieblocker.min.css

177 ms

stylesheet.css

stylesheet.css

265 ms

css

css

29 ms

icofont.min.css

icofont.min.css

267 ms

slick.css

slick.css

271 ms

lightgallery.min.css

lightgallery.min.css

271 ms

responsive-tabs.css

responsive-tabs.css

273 ms

main.css

main.css

458 ms

bstcmfw-cookie.css

bstcmfw-cookie.css

351 ms

jquery.min.js

jquery.min.js

360 ms

jquery-migrate.min.js

jquery-migrate.min.js

360 ms

bstcmfw-cookie.js

bstcmfw-cookie.js

359 ms

bookzo-elements.js

bookzo-elements.js

35 ms

index.min.js

index.min.js

20268 ms

slick.min.js

slick.min.js

437 ms

lightgallery.min.js

lightgallery.min.js

446 ms

lg-video.min.js

lg-video.min.js

446 ms

lg-autoplay.min.js

lg-autoplay.min.js

447 ms

jquery.waypoints.min.js

jquery.waypoints.min.js

448 ms

inview.min.js

inview.min.js

575 ms

bstcm-loadmore.js

bstcm-loadmore.js

575 ms

jquery.responsiveTabs.min.js

jquery.responsiveTabs.min.js

575 ms

functions.min.js

functions.min.js

575 ms

complianz.min.js

complianz.min.js

575 ms

rv-site-bg.jpg

rv-site-bg.jpg

91 ms

rv-logo.svg

rv-logo.svg

115 ms

rv-splash-header.svg

rv-splash-header.svg

127 ms

rv-sgr-color.svg

rv-sgr-color.svg

129 ms

kv-bg.svg

kv-bg.svg

129 ms

rv-splash-top-left.svg

rv-splash-top-left.svg

132 ms

rv-splash-bottom-left.svg

rv-splash-bottom-left.svg

186 ms

gezinsaccommodatie-vakantie-friesland-1050x675.jpg

gezinsaccommodatie-vakantie-friesland-1050x675.jpg

901 ms

uniek-schoolreisje-zeilen.jpg

uniek-schoolreisje-zeilen.jpg

302 ms

varend-vakantiehuisje-tjalk.jpg

varend-vakantiehuisje-tjalk.jpg

303 ms

Into-The-Great-Wide-Open-1050x675.jpg

Into-The-Great-Wide-Open-1050x675.jpg

3092 ms

94717a8b-3830-e911-a976-000d3a206976_01-Vrijheid-zeilend-900x600-1-555x375.jpg

94717a8b-3830-e911-a976-000d3a206976_01-Vrijheid-zeilend-900x600-1-555x375.jpg

402 ms

Suydersee-header-e1601907875253-555x375.jpg

Suydersee-header-e1601907875253-555x375.jpg

452 ms

Manna-header-555x375.jpg

Manna-header-555x375.jpg

566 ms

Waddenzee-header-555x375.jpg

Waddenzee-header-555x375.jpg

654 ms

Utopia-boeg-onder-zeil-555x375.jpg

Utopia-boeg-onder-zeil-555x375.jpg

581 ms

Mars-header1-555x375.jpg

Mars-header1-555x375.jpg

632 ms

Johanna-Engelina-header-555x375.jpg

Johanna-Engelina-header-555x375.jpg

655 ms

josina-elisabeth-Rederij-Vooruit_-555x375.jpg

josina-elisabeth-Rederij-Vooruit_-555x375.jpg

760 ms

Pouwel-Jonas-onder-zeil-506x375.jpg

Pouwel-Jonas-onder-zeil-506x375.jpg

723 ms

Vliegende-Draeck-header-555x375.jpg

Vliegende-Draeck-header-555x375.jpg

830 ms

Marmaid-onder-zeil-I-555x375.jpg

Marmaid-onder-zeil-I-555x375.jpg

831 ms

Averechts-header-2-555x375.jpg

Averechts-header-2-555x375.jpg

814 ms

tjerkhiddes_rederijvooruit-555x375.png

tjerkhiddes_rederijvooruit-555x375.png

852 ms

Margot-header-555x375.jpg

Margot-header-555x375.jpg

904 ms

Boekanier-header-555x375.jpg

Boekanier-header-555x375.jpg

1006 ms

Emmalis-header-555x375.jpg

Emmalis-header-555x375.jpg

919 ms

Noordvaarder-header-555x375.jpg

Noordvaarder-header-555x375.jpg

941 ms

Ambulant-droogvallen-555x375.jpg

Ambulant-droogvallen-555x375.jpg

1162 ms

Onder-zeil-Klipper-Anna-in-de-zon-555x375.jpg

Onder-zeil-Klipper-Anna-in-de-zon-555x375.jpg

995 ms

bookzo-elements-core-url

bookzo-elements-core-url

73 ms

bookzo-elements-core.js

bookzo-elements-core.js

104 ms

Victoria-S-header-555x375.jpg

Victoria-S-header-555x375.jpg

935 ms

Antonia-header-555x375.jpg

Antonia-header-555x375.jpg

958 ms

Waterman-vol-tuig--555x375.jpg

Waterman-vol-tuig--555x375.jpg

1012 ms

Hollandia-header-555x375.jpg

Hollandia-header-555x375.jpg

1113 ms

Web_Anna-Catharina-Rederij-Vooruit-04-555x375.jpg

Web_Anna-Catharina-Rederij-Vooruit-04-555x375.jpg

1023 ms

f0Xx0e2p98ZvDXdZQIOcpqjX9ocEU-MkOA.woff

f0Xx0e2p98ZvDXdZQIOcpqjX9ocEU-MkOA.woff

16 ms

f0Xu0e2p98ZvDXdZQIOcpqjfTaIXfsEvEp4L_w.woff

f0Xu0e2p98ZvDXdZQIOcpqjfTaIXfsEvEp4L_w.woff

21 ms

hankengrotesk-light-webfont.woff

hankengrotesk-light-webfont.woff

1048 ms

hankengrotesk-black-webfont.woff

hankengrotesk-black-webfont.woff

1089 ms

hankengrotesk-bold-webfont.woff

hankengrotesk-bold-webfont.woff

1074 ms

icofont.woff

icofont.woff

1180 ms

Eersteling-header-555x375.jpg

Eersteling-header-555x375.jpg

1210 ms

Risico_Header-555x375.jpg

Risico_Header-555x375.jpg

1230 ms

Medusa-onder-zeil-555x375.jpg

Medusa-onder-zeil-555x375.jpg

1226 ms

Noordster-header-555x375.jpg

Noordster-header-555x375.jpg

1091 ms

Header-Mallejan-paviljoentjalk-555x375.jpg

Header-Mallejan-paviljoentjalk-555x375.jpg

1065 ms

Pallieter-header-555x375.jpg

Pallieter-header-555x375.jpg

1096 ms

Antonia-Maria-header-555x375.jpg

Antonia-Maria-header-555x375.jpg

1026 ms

Ontmoeting-header-555x375.jpg

Ontmoeting-header-555x375.jpg

998 ms

rederij-vooruit-beeld-01-1785x870.jpg

rederij-vooruit-beeld-01-1785x870.jpg

2026 ms

Zeilvakantie-met-kinderen-555x375.jpg

Zeilvakantie-met-kinderen-555x375.jpg

873 ms

Zeilschip-Victoria-S-onder-zeil-555x375.jpg

Zeilschip-Victoria-S-onder-zeil-555x375.jpg

856 ms

rv-mailchimp-pattern.png

rv-mailchimp-pattern.png

861 ms

Accessibility Review

rederij-vooruit.com accessibility score

82

Accessibility Issues

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

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

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

rederij-vooruit.com 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

High

Missing source maps for large first-party JavaScript

SEO Factors

rederij-vooruit.com SEO score

99

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

    EN

  • Language Claimed

    NL

  • Encoding

    UTF-8

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

rederij-vooruit.com

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