Tools & Wizards About Us
proventus.nl screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

proventus.nl

Investeren in vastgoed en private equity | ZIB Investments

Page Load Speed

2.6 sec in total

First Response

261 ms

Resources Loaded

2.1 sec

Page Rendered

252 ms

proventus.nl screenshot

About Website

Visit proventus.nl now to see the best up-to-date Prov En Tus content and also check out these interesting facts you probably never knew about proventus.nl

Vermogen laten groeien? Investeer bij ZIB in recreatief en zorgvastgoed tegen een aantrekkelijk rendement. Jarenlange ervaring met een succesvol trackrecord.

Visit proventus.nl

Key Findings

We analyzed Proventus.nl page load time and found that the first response time was 261 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

proventus.nl performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.162

72/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

proventus.nl

261 ms

www.zibcv.nl

627 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

167 ms

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

173 ms

css_botNHIYRQPys-RH2iA3U4LbV9bPNRS64tLAs8ec1ch8.css

170 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Proventus.nl, 86% (37 requests) were made to Zibcv.nl and 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (675 ms) relates to the external source Zibcv.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 252.3 kB (35%)

Content Size

723.1 kB

After Optimization

470.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Proventus.nl main page is 723.1 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. 30% of websites need less resources to load. Images take 418.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 23.7 kB

  • Original 30.3 kB
  • After minification 28.3 kB
  • After compression 6.6 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 23.7 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 31.4 kB

  • Original 418.7 kB
  • After minification 387.3 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. Prov En Tus images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 164.2 kB

  • Original 231.9 kB
  • After minification 179.3 kB
  • After compression 67.6 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 164.2 kB or 71% of the original size.

CSS Optimization

-78%

Potential reduce by 33.0 kB

  • Original 42.3 kB
  • After minification 41.3 kB
  • After compression 9.3 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. Proventus.nl needs all CSS files to be minified and compressed as it can save up to 33.0 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (28%)

Requests Now

40

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prov En Tus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

proventus.nl

proventus.nl

261 ms

www.zibcv.nl

www.zibcv.nl

627 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

167 ms

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

173 ms

css_botNHIYRQPys-RH2iA3U4LbV9bPNRS64tLAs8ec1ch8.css

css_botNHIYRQPys-RH2iA3U4LbV9bPNRS64tLAs8ec1ch8.css

170 ms

css_mN2aZQVuPh1j4LirGTVfkWGS-s7Z0ZM4DzoGxMocrvk.css

css_mN2aZQVuPh1j4LirGTVfkWGS-s7Z0ZM4DzoGxMocrvk.css

172 ms

css_JJNLc4UKsFUuMFGxUaL8yJEgeplEMV-7wyreAJGCLzg.css

css_JJNLc4UKsFUuMFGxUaL8yJEgeplEMV-7wyreAJGCLzg.css

251 ms

js_UWQINlriydSoeSiGQxToOUdv493zEa7dpsXC1OtYlZU.js

js_UWQINlriydSoeSiGQxToOUdv493zEa7dpsXC1OtYlZU.js

424 ms

js_ET8tWt_GfTsIhn5mbHHqsaa6Qxx4G1Ja0ZYtIpHaOfY.js

js_ET8tWt_GfTsIhn5mbHHqsaa6Qxx4G1Ja0ZYtIpHaOfY.js

247 ms

js_BnfWJ_QHrg_QAgHcLA0mdAykUotvqzbFXapOknIPHYQ.js

js_BnfWJ_QHrg_QAgHcLA0mdAykUotvqzbFXapOknIPHYQ.js

253 ms

js_JPDOHI4hKjchlX_FjAcVsA96o8WQWd3A85ICLTwb4QM.js

js_JPDOHI4hKjchlX_FjAcVsA96o8WQWd3A85ICLTwb4QM.js

421 ms

css

css

27 ms

css

css

37 ms

analytics.js

analytics.js

79 ms

achtergrond.jpg

achtergrond.jpg

87 ms

logo-zib-2015.png

logo-zib-2015.png

168 ms

sliderbg.png

sliderbg.png

88 ms

zib_crowdfunding_slide_0.jpg

zib_crowdfunding_slide_0.jpg

289 ms

slideroverlay.png

slideroverlay.png

88 ms

slider_eurostrand_fintel_0.jpg

slider_eurostrand_fintel_0.jpg

425 ms

residence_klein_vink_bgs_2.jpg

residence_klein_vink_bgs_2.jpg

588 ms

thermaalbad_slider.jpg

thermaalbad_slider.jpg

338 ms

hotel_arcen_slider.jpg

hotel_arcen_slider.jpg

627 ms

first.png

first.png

250 ms

next.png

next.png

338 ms

homebg.jpg

homebg.jpg

371 ms

arrow-down.png

arrow-down.png

422 ms

arrow-down-white.png

arrow-down-white.png

422 ms

lock-white.png

lock-white.png

455 ms

img1.jpg

img1.jpg

505 ms

shadow.png

shadow.png

506 ms

buttonbg.png

buttonbg.png

506 ms

img2.jpg

img2.jpg

539 ms

img3.jpg

img3.jpg

590 ms

ty_logo_kleiner_0.jpg

ty_logo_kleiner_0.jpg

670 ms

inlogbg.png

inlogbg.png

589 ms

lock.png

lock.png

623 ms

footerbg.png

footerbg.png

668 ms

logo-zib-2015-klein.png

logo-zib-2015-klein.png

673 ms

menu-leaf.png

menu-leaf.png

675 ms

HqHm7BVC_nzzTui2lzQTDSZ2oysoEQEeKwjgmXLRnTc.ttf

HqHm7BVC_nzzTui2lzQTDSZ2oysoEQEeKwjgmXLRnTc.ttf

14 ms

collect

collect

34 ms

css_mDxCF8ImVBb6oiL7Rq6KarwvxmvDV5PjnhYNE29pt_0.css

css_mDxCF8ImVBb6oiL7Rq6KarwvxmvDV5PjnhYNE29pt_0.css

86 ms

Accessibility Review

proventus.nl accessibility score

83

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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

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

proventus.nl best practices score

83

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

SEO Factors

proventus.nl SEO score

91

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 Proventus.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 Proventus.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

proventus.nl

Open Graph description is not detected on the main page of Prov En Tus. 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: