Tools & Wizards About Us
reefbv.nl screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

reefbv.nl

REEF biedt specialistische kennis, ervaring en vaardigheden | REEF

Page Load Speed

11.4 sec in total

First Response

3.2 sec

Resources Loaded

7.6 sec

Page Rendered

620 ms

reefbv.nl screenshot

About Website

Click here to check amazing REEF Bv content. Otherwise, check out these important facts you probably never knew about reefbv.nl

Wij zien ieder vraagstuk als project. Aan deze projecten verbinden wij de beste professionals binnen onze verschillende expertises

Visit reefbv.nl

Key Findings

We analyzed Reefbv.nl page load time and found that the first response time was 3.2 sec and then it took 8.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

reefbv.nl performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value18.0 s

0/100

10%

TBT (Total Blocking Time)

Value15,460 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value25.2 s

0/100

10%

Network Requests Diagram

www.reef.nl

3249 ms

css

120 ms

css

144 ms

font-awesome.min.css

79 ms

uikit.min.css

321 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Reefbv.nl, 5% (3 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source Reef.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 508.4 kB (18%)

Content Size

2.8 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Reefbv.nl main page is 2.8 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. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 14.1 kB

  • Original 19.0 kB
  • After minification 17.5 kB
  • After compression 4.9 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 14.1 kB or 74% of the original size.

Image Optimization

-17%

Potential reduce by 461.9 kB

  • Original 2.7 MB
  • After minification 2.3 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, REEF Bv needs image optimization as it can save up to 461.9 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-28%

Potential reduce by 11.3 kB

  • Original 39.8 kB
  • After minification 39.7 kB
  • After compression 28.5 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 11.3 kB or 28% of the original size.

CSS Optimization

-77%

Potential reduce by 21.2 kB

  • Original 27.5 kB
  • After minification 27.5 kB
  • After compression 6.2 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. Reefbv.nl needs all CSS files to be minified and compressed as it can save up to 21.2 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (48%)

Requests Now

50

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of REEF Bv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.reef.nl

www.reef.nl

3249 ms

css

css

120 ms

css

css

144 ms

font-awesome.min.css

font-awesome.min.css

79 ms

uikit.min.css

uikit.min.css

321 ms

jquery.maximage.min.css

jquery.maximage.min.css

262 ms

smoothDivScroll.css

smoothDivScroll.css

257 ms

main.css

main.css

226 ms

form-select.min.css

form-select.min.css

220 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

114 ms

uikit.min.js

uikit.min.js

231 ms

jquery.cycle.all.js

jquery.cycle.all.js

425 ms

jquery.maximage.min.js

jquery.maximage.min.js

426 ms

form-select.min.js

form-select.min.js

437 ms

jquery-ui-1.10.3.custom.min.js

jquery-ui-1.10.3.custom.min.js

829 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

837 ms

jquery.smoothdivscroll-1.3-min.js

jquery.smoothdivscroll-1.3-min.js

836 ms

main.js

main.js

841 ms

ipmarketing.js

ipmarketing.js

385 ms

analytics.js

analytics.js

312 ms

watch.js

watch.js

306 ms

foto-waarom-home-jules1.png

foto-waarom-home-jules1.png

2671 ms

foto-waarom-home-isabel.png

foto-waarom-home-isabel.png

2034 ms

foto-waarom-home-raf1.png

foto-waarom-home-raf1.png

2080 ms

reef_logo_white.png

reef_logo_white.png

351 ms

seperator_white_7x14.png

seperator_white_7x14.png

366 ms

mobile_closed.png

mobile_closed.png

348 ms

icon_search.png

icon_search.png

530 ms

button_arrow_green_down.png

button_arrow_green_down.png

532 ms

button_arrow_white.png

button_arrow_white.png

531 ms

tim-waarom.jpg

tim-waarom.jpg

931 ms

partners_overlay.png

partners_overlay.png

798 ms

msd.png

msd.png

768 ms

gemeente-eindhoven.png

gemeente-eindhoven.png

1073 ms

asml-logo2014.png

asml-logo2014.png

1118 ms

brabantwater.png

brabantwater.png

1178 ms

daf-trucks.png

daf-trucks.png

1280 ms

gemeente-helmond.png

gemeente-helmond.png

1392 ms

aspen.png

aspen.png

1400 ms

cofely.png

cofely.png

1545 ms

oce.png

oce.png

2194 ms

radboud-universiteit.png

radboud-universiteit.png

2191 ms

woonbedrijf.png

woonbedrijf.png

1900 ms

rud-limburg-zuid.png

rud-limburg-zuid.png

2110 ms

strukton.png

strukton.png

2460 ms

icon_facebook.png

icon_facebook.png

2917 ms

icon_twitter.png

icon_twitter.png

2465 ms

icon_linkedin.png

icon_linkedin.png

2560 ms

icon_google.png

icon_google.png

2560 ms

ipmarketing.php

ipmarketing.php

336 ms

collect

collect

56 ms

collect

collect

149 ms

Hgo13k-tfSpn0qi1SFdUfT8E0i7KZn-EPnyo3HZu7kw.woff

Hgo13k-tfSpn0qi1SFdUfT8E0i7KZn-EPnyo3HZu7kw.woff

102 ms

d-6IYplOFocCacKzxwXSOD8E0i7KZn-EPnyo3HZu7kw.woff

d-6IYplOFocCacKzxwXSOD8E0i7KZn-EPnyo3HZu7kw.woff

140 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2835 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

59 ms

IQh-ap2Uqs7kl1YINeeEGnhCUOGz7vYGh680lGh-uXM.woff

IQh-ap2Uqs7kl1YINeeEGnhCUOGz7vYGh680lGh-uXM.woff

137 ms

ga-audiences

ga-audiences

96 ms

Accessibility Review

reefbv.nl accessibility score

96

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

Links do not have a discernible name

Best Practices

reefbv.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

reefbv.nl 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

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Reefbv.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Reefbv.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

reefbv.nl

Open Graph description is not detected on the main page of REEF Bv. 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: