Tools & Wizards About Us
nieuwbouw-rotterdam.nl screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    69% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 96

    SEO

    Google-friendlier than
    91% of websites

nieuwbouw-rotterdam.nl

Nieuwbouw Rotterdam | 4.713 huizen in 64 regionale projecten verkoop en verhuur

Page Load Speed

4.2 sec in total

First Response

607 ms

Resources Loaded

3.4 sec

Page Rendered

221 ms

nieuwbouw-rotterdam.nl screenshot

About Website

Welcome to nieuwbouw-rotterdam.nl homepage info - get ready to check Nieuwbouw Rotterdam best content right away, or after learning these important things about nieuwbouw-rotterdam.nl

Nieuwbouw-rotterdam.nl biedt met 4.713 huizen, appartementen en woningen in 28 nieuwbouwprojecten het meest complete woningaanbod van regio Rotterdam

Visit nieuwbouw-rotterdam.nl

Key Findings

We analyzed Nieuwbouw-rotterdam.nl page load time and found that the first response time was 607 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

nieuwbouw-rotterdam.nl performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

www.nieuwbouw-rotterdam.nl

607 ms

screen.css

253 ms

jquery-1.7.2.min.js

424 ms

jquery.validate.min.js

259 ms

messages_nl.js

171 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that all of those requests were addressed to Nieuwbouw-rotterdam.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Nieuwbouw-rotterdam.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 363.6 kB (32%)

Content Size

1.1 MB

After Optimization

778.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nieuwbouw-rotterdam.nl main page is 1.1 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. 40% of websites need less resources to load. Images take 702.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 20.1 kB

  • Original 26.3 kB
  • After minification 21.7 kB
  • After compression 6.2 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. This page needs HTML code to be minified as it can gain 4.7 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 20.1 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 37.9 kB

  • Original 702.6 kB
  • After minification 664.7 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. Nieuwbouw Rotterdam images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 243.7 kB

  • Original 340.1 kB
  • After minification 331.9 kB
  • After compression 96.4 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 243.7 kB or 72% of the original size.

CSS Optimization

-85%

Potential reduce by 61.8 kB

  • Original 72.8 kB
  • After minification 57.1 kB
  • After compression 11.0 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. Nieuwbouw-rotterdam.nl needs all CSS files to be minified and compressed as it can save up to 61.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (14%)

Requests Now

42

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nieuwbouw Rotterdam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.nieuwbouw-rotterdam.nl

www.nieuwbouw-rotterdam.nl

607 ms

screen.css

screen.css

253 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

424 ms

jquery.validate.min.js

jquery.validate.min.js

259 ms

messages_nl.js

messages_nl.js

171 ms

additional-methods.js

additional-methods.js

172 ms

jquery-ui-1.8.18.custom.min.js

jquery-ui-1.8.18.custom.min.js

593 ms

jquery-ui-1.8.20.custom.css

jquery-ui-1.8.20.custom.css

339 ms

jquery.tools.min.js

jquery.tools.min.js

259 ms

jquery.featurelist-2.0.0.js

jquery.featurelist-2.0.0.js

336 ms

logo.jpg

logo.jpg

169 ms

nieuwbouwlogo.gif

nieuwbouwlogo.gif

116 ms

arrow_blue.png

arrow_blue.png

88 ms

reggefiber-top.gif

reggefiber-top.gif

449 ms

icon_64x64_aktueel.png

icon_64x64_aktueel.png

87 ms

icon_64x64_toekomstig.png

icon_64x64_toekomstig.png

87 ms

icon_64x64_cpo.png

icon_64x64_cpo.png

154 ms

create-mullerpier-rotterdam-463.jpg

create-mullerpier-rotterdam-463.jpg

339 ms

leonidas-rotterdam-463.jpg

leonidas-rotterdam-463.jpg

171 ms

coolhaven-rotterdam-463.jpg

coolhaven-rotterdam-463.jpg

308 ms

hampton-parck-rotterdam-463.jpg

hampton-parck-rotterdam-463.jpg

317 ms

biezenrijk-rotterdam-463.jpg

biezenrijk-rotterdam-463.jpg

405 ms

havana-rotterdam-463.jpg

havana-rotterdam-463.jpg

272 ms

studentenhuisvesting-domus-rotterdam-463.jpg

studentenhuisvesting-domus-rotterdam-463.jpg

357 ms

seattle-boston-rotterdam-463.jpg

seattle-boston-rotterdam-463.jpg

774 ms

kaap-de-goede-hoek-rotterdam-463.jpg

kaap-de-goede-hoek-rotterdam-463.jpg

485 ms

wielewaal-rotterdam-463.jpg

wielewaal-rotterdam-463.jpg

683 ms

kaappark-stadskavel-rotterdam-463.jpg

kaappark-stadskavel-rotterdam-463.jpg

441 ms

voc-zeemagazijn-rotterdam-rotterdam-463.jpg

voc-zeemagazijn-rotterdam-rotterdam-463.jpg

573 ms

groene-hilledijk-stadskavel-rotterdam-463.jpg

groene-hilledijk-stadskavel-rotterdam-463.jpg

526 ms

bouwgroep-rotterdam-zoekt-leden-rotterdam-463.jpg

bouwgroep-rotterdam-zoekt-leden-rotterdam-463.jpg

531 ms

zelfbouw-463x240.jpg

zelfbouw-463x240.jpg

653 ms

psearch.js

psearch.js

598 ms

facebook-16x16.png

facebook-16x16.png

610 ms

vraagteken-16x16.png

vraagteken-16x16.png

640 ms

brummelhuis.jpg

brummelhuis.jpg

705 ms

warmteservice-groep-bv.jpg

warmteservice-groep-bv.jpg

719 ms

reggefiber-side.jpg

reggefiber-side.jpg

992 ms

nieuwbouw-nederland.gif

nieuwbouw-nederland.gif

1007 ms

logo_small.png

logo_small.png

750 ms

feature-tab-current.png

feature-tab-current.png

789 ms

ui-bg_flat_0_ffffff_40x100.png

ui-bg_flat_0_ffffff_40x100.png

196 ms

referrer.gif

referrer.gif

114 ms

Accessibility Review

nieuwbouw-rotterdam.nl accessibility score

73

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

[role]s do not have all required [aria-*] attributes

High

[aria-*] attributes do not have valid values

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

nieuwbouw-rotterdam.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

High

Missing source maps for large first-party JavaScript

SEO Factors

nieuwbouw-rotterdam.nl SEO score

96

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

    NL

  • Encoding

    ISO-8859-15

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nieuwbouw-rotterdam.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 Nieuwbouw-rotterdam.nl main page’s claimed encoding is iso-8859-15. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

nieuwbouw-rotterdam.nl

Open Graph description is not detected on the main page of Nieuwbouw Rotterdam. 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: