Tools & Wizards About Us
redres.nl screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

redres.nl

Home - Redres

Page Load Speed

7 sec in total

First Response

278 ms

Resources Loaded

6.1 sec

Page Rendered

662 ms

redres.nl screenshot

About Website

Welcome to redres.nl homepage info - get ready to check Redres best content for Netherlands right away, or after learning these important things about redres.nl

Visit redres.nl

Key Findings

We analyzed Redres.nl page load time and found that the first response time was 278 ms and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

redres.nl performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value1,040 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.313

37/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

redres.nl

278 ms

www.redres.nl

269 ms

www.redres.nl

745 ms

jquery.min.js

24 ms

swiper-bundle.min.css

34 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 42% of them (31 requests) were addressed to the original Redres.nl, 44% (32 requests) were made to Media01.ogonline.nl and 4% (3 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Media01.ogonline.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 165.0 kB (1%)

Content Size

13.1 MB

After Optimization

12.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Redres.nl main page is 13.1 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. 60% of websites need less resources to load. Images take 12.6 MB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 156.0 kB

  • Original 234.7 kB
  • After minification 219.7 kB
  • After compression 78.7 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 156.0 kB or 66% of the original size.

Image Optimization

-0%

Potential reduce by 303 B

  • Original 12.6 MB
  • After minification 12.6 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. Redres images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.3 kB

  • Original 251.3 kB
  • After minification 251.2 kB
  • After compression 248.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-10%

Potential reduce by 5.4 kB

  • Original 55.3 kB
  • After minification 55.3 kB
  • After compression 49.9 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. Redres.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (52%)

Requests Now

58

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Redres. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

redres.nl

redres.nl

278 ms

www.redres.nl

www.redres.nl

269 ms

www.redres.nl

www.redres.nl

745 ms

jquery.min.js

jquery.min.js

24 ms

swiper-bundle.min.css

swiper-bundle.min.css

34 ms

swiper-custom.css

swiper-custom.css

196 ms

responsive-image.css

responsive-image.css

283 ms

menu-button.css

menu-button.css

285 ms

checkbox.css

checkbox.css

288 ms

select-box.css

select-box.css

289 ms

simple-map.css

simple-map.css

288 ms

form-ajax.css

form-ajax.css

291 ms

expand-content.css

expand-content.css

369 ms

main.css

main.css

554 ms

jquery-plugin.js

jquery-plugin.js

265 ms

popper.min.js

popper.min.js

17 ms

bootstrap.min.js

bootstrap.min.js

31 ms

swiper-bundle.min.js

swiper-bundle.min.js

31 ms

responsive-image.js

responsive-image.js

266 ms

menu.js

menu.js

265 ms

checkbox.js

checkbox.js

269 ms

sr-switch.js

sr-switch.js

347 ms

select-box.js

select-box.js

350 ms

simple-map.js

simple-map.js

352 ms

api.js

api.js

46 ms

form-ajax.js

form-ajax.js

352 ms

smoothscroll.js

smoothscroll.js

354 ms

expand-content.js

expand-content.js

433 ms

posts-sort.js

posts-sort.js

436 ms

filters.js

filters.js

438 ms

form.js

form.js

438 ms

gtm.js

gtm.js

177 ms

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874 ms

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183 ms

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1599 ms

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1611 ms

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1435 ms

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1374 ms

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1453 ms

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1358 ms

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2017 ms

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1957 ms

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2240 ms

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1807 ms

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1849 ms

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1947 ms

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2140 ms

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2201 ms

Monumentaal.jpg

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2280 ms

Herontwikkeling.jpg

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2293 ms

Architectuur.jpg

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2356 ms

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2472 ms

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2776 ms

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2736 ms

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2809 ms

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2930 ms

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2973 ms

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recaptcha__en.js

26 ms

AvenirNextLTPro-Medium.ttf

AvenirNextLTPro-Medium.ttf

391 ms

AvenirNextLTPro-Regular.ttf

AvenirNextLTPro-Regular.ttf

174 ms

AvenirNextLTPro-Demi.ttf

AvenirNextLTPro-Demi.ttf

392 ms

AvenirNextLTPro-Bold.ttf

AvenirNextLTPro-Bold.ttf

392 ms

AvenirNextLTPro-Heavy.ttf

AvenirNextLTPro-Heavy.ttf

392 ms

js

js

90 ms

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js

88 ms

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1815 ms

Accessibility Review

redres.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.

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

redres.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

Page has valid source maps

SEO Factors

redres.nl SEO score

91

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Redres.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 Redres.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

redres.nl

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