Tools & Wizards About Us
aco.nl screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

aco.nl

ACO Watermanagement | Oplossingen die bijdragen aan de wereld van morgen!

Page Load Speed

4.6 sec in total

First Response

224 ms

Resources Loaded

3.5 sec

Page Rendered

838 ms

aco.nl screenshot

About Website

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

ACO heeft alle oplossingen voor het opvangen, behandelen, vasthouden, hergebruiken en monitoren van regenwater en afvalwater. ACO watermanagement

Visit aco.nl

Key Findings

We analyzed Aco.nl page load time and found that the first response time was 224 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

aco.nl performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value390 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.353

31/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

aco.nl

224 ms

www.aco.nl

714 ms

merged-b4e08a8d3e7b565ae9be157a545089c6-4bf086756aa4b8c60d12ef5a234ed511.css

105 ms

merged-c2cd648f0773f9dac27e5aff9fab842b-43271604d8535b0c85ac30332a27ea49.css

331 ms

vendor-e71ec7dae78ae6d10cf227aaf523b54c.js

783 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that all of those requests were addressed to Aco.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Aco.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.9 MB (62%)

Content Size

17.6 MB

After Optimization

6.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aco.nl main page is 17.6 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 16.9 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 115.9 kB

  • Original 140.1 kB
  • After minification 137.1 kB
  • After compression 24.2 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. 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 115.9 kB or 83% of the original size.

Image Optimization

-64%

Potential reduce by 10.8 MB

  • Original 16.9 MB
  • After minification 6.1 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, ACO needs image optimization as it can save up to 10.8 MB or 64% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 3.9 kB

  • Original 540.4 kB
  • After minification 540.4 kB
  • After compression 536.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 14 B

  • Original 79.9 kB
  • After minification 79.9 kB
  • After compression 79.9 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. Aco.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (42%)

Requests Now

67

After Optimization

39

  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ACO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

aco.nl

aco.nl

224 ms

www.aco.nl

www.aco.nl

714 ms

merged-b4e08a8d3e7b565ae9be157a545089c6-4bf086756aa4b8c60d12ef5a234ed511.css

merged-b4e08a8d3e7b565ae9be157a545089c6-4bf086756aa4b8c60d12ef5a234ed511.css

105 ms

merged-c2cd648f0773f9dac27e5aff9fab842b-43271604d8535b0c85ac30332a27ea49.css

merged-c2cd648f0773f9dac27e5aff9fab842b-43271604d8535b0c85ac30332a27ea49.css

331 ms

vendor-e71ec7dae78ae6d10cf227aaf523b54c.js

vendor-e71ec7dae78ae6d10cf227aaf523b54c.js

783 ms

app-fb2401f97e4a707a2ab9bafda23145d9.js

app-fb2401f97e4a707a2ab9bafda23145d9.js

589 ms

gomapsext-04802357447245e435fb4f29ea09326b.js

gomapsext-04802357447245e435fb4f29ea09326b.js

295 ms

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markerclusterer_compiled-4e1e4d03b905894ae4fde18340d4594b.js

307 ms

klaro-no-css.js

klaro-no-css.js

514 ms

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449 ms

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runtime-ed8443db1b565ba716d86db5b0473310.js

450 ms

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search-highlighting-2613488656f1a362f6aa811cd381a7f3.js

451 ms

jquery.autocomplete.min-2b7376114577080c7593754cb2167e55.js

jquery.autocomplete.min-2b7376114577080c7593754cb2167e55.js

496 ms

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511 ms

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facet_options_controller-fc0d4f1d08244cc4c065872a21c41230.js

535 ms

app-0a510962a340f3fe5d6e5bb101376445.js

app-0a510962a340f3fe5d6e5bb101376445.js

593 ms

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614 ms

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618 ms

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638 ms

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687 ms

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jquery-ui-9d5675ce0f522286caba893a6c0afdaf.js

894 ms

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tx_dkddocumentwallet-cb785da70810a4d5df1ff010753c369a.js

716 ms

document-wallet-1b8a7d6f670ce5e87b03d01b49fa8005.js

document-wallet-1b8a7d6f670ce5e87b03d01b49fa8005.js

721 ms

DkdDocumentWallet-71e1649bce8849649577453a48e3c08f.js

DkdDocumentWallet-71e1649bce8849649577453a48e3c08f.js

743 ms

catalog-downloads-1061bc6a374d466fac20b46d0be0b292.js

catalog-downloads-1061bc6a374d466fac20b46d0be0b292.js

793 ms

aco_documents-72c9683a03629542fa7e99b14859f5b5.js

aco_documents-72c9683a03629542fa7e99b14859f5b5.js

820 ms

aco-documents-init-e20ca8e081a4e4225c16913b77f68f33.js

aco-documents-init-e20ca8e081a4e4225c16913b77f68f33.js

826 ms

aco_lagerliste-6b59de6b1452f6ee5495ad3ae5fdea2c.js

aco_lagerliste-6b59de6b1452f6ee5495ad3ae5fdea2c.js

847 ms

priceListOffer-e480684f092f48a7f875a7cdb0fdda20.js

priceListOffer-e480684f092f48a7f875a7cdb0fdda20.js

878 ms

tx_acocontact-113861eea4907b1103edc764b5ffeef4.js

tx_acocontact-113861eea4907b1103edc764b5ffeef4.js

882 ms

defaults-nl_NL.js

defaults-nl_NL.js

923 ms

jquery.searchByPostcode-fe3bbffc50eb0f8124084461b7ba1a9e.js

jquery.searchByPostcode-fe3bbffc50eb0f8124084461b7ba1a9e.js

929 ms

init.searchByPostcode-ff222ff2d5bd559e7a5740f2084ece2c.js

init.searchByPostcode-ff222ff2d5bd559e7a5740f2084ece2c.js

949 ms

aco-logo.svg

aco-logo.svg

600 ms

aco_nederland_hengelo.png

aco_nederland_hengelo.png

1095 ms

aco_nederland_ofor_zwolle_01.png

aco_nederland_ofor_zwolle_01.png

1399 ms

aco_nederland_schupstoel_01.png

aco_nederland_schupstoel_01.png

1472 ms

homepage_klimaatadaptief.png

homepage_klimaatadaptief.png

1265 ms

Visie.png

Visie.png

678 ms

Producten_01.png

Producten_01.png

797 ms

Projecten.png

Projecten.png

984 ms

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70d1b8f6-aco-referenties.jpg

854 ms

csm_ACO_-_ShowerDrain_douchegoot_maatwerk_bij_Van_der_Valk_Hotel_Amsterdam_Zuidas_-_fotos_22_8510f75484.png

csm_ACO_-_ShowerDrain_douchegoot_maatwerk_bij_Van_der_Valk_Hotel_Amsterdam_Zuidas_-_fotos_22_8510f75484.png

953 ms

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csm_Missiehuis_Hoorn_header_-_winter_dc71609e93.jpg

1019 ms

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1056 ms

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1079 ms

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1081 ms

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StoneSansIIITCW05-Medium.d8cee564.woff

1106 ms

fa-brands-400.2285773e.woff

fa-brands-400.2285773e.woff

1155 ms

csm_ACO_-_ShowerDrain_douchegoot_maatwerk_bij_Van_der_Valk_Hotel_Amsterdam_Zuidas_-_fotos_22_ace65e09d9.png

csm_ACO_-_ShowerDrain_douchegoot_maatwerk_bij_Van_der_Valk_Hotel_Amsterdam_Zuidas_-_fotos_22_ace65e09d9.png

1112 ms

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csm_Missiehuis_Hoorn_header_-_winter_6e7cb6859a.jpg

1115 ms

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csm_Vida_Rijsttafelproducten_kiest_ACO_goten__putten_en_vetafscheider_-_header_14b2aeae61.png

1138 ms

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1176 ms

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1156 ms

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1122 ms

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1141 ms

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1159 ms

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1149 ms

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1105 ms

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1115 ms

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1135 ms

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1136 ms

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1133 ms

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1113 ms

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1117 ms

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1107 ms

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1176 ms

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1174 ms

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1165 ms

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1241 ms

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1047 ms

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975 ms

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903 ms

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844 ms

Accessibility Review

aco.nl accessibility score

96

Accessibility Issues

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

aco.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

aco.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 Aco.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 Aco.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

aco.nl

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