Tools & Wizards About Us
amsterdamdatacollective.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

amsterdamdatacollective.com

ADC Consulting — Together we create real impact with Data & AI.

Page Load Speed

3.7 sec in total

First Response

207 ms

Resources Loaded

2.4 sec

Page Rendered

1 sec

amsterdamdatacollective.com screenshot

About Website

Click here to check amazing Amsterdam Data Collective content. Otherwise, check out these important facts you probably never knew about amsterdamdatacollective.com

Here at ADC we bridge strategy, data science, and AI to empower data-driven organizations, unlocking data's true impact.

Visit amsterdamdatacollective.com

Key Findings

We analyzed Amsterdamdatacollective.com page load time and found that the first response time was 207 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

amsterdamdatacollective.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value2,150 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value18.9 s

3/100

10%

Network Requests Diagram

amsterdamdatacollective.com

207 ms

amsterdamdatacollective.com

365 ms

adc-consulting.com

658 ms

139750614.js

89 ms

jquery.min.js

181 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Amsterdamdatacollective.com, 84% (38 requests) were made to Adc-consulting.com and 2% (1 request) were made to Js-eu1.hubspot.com. The less responsive or slowest element that took the longest time to load (874 ms) relates to the external source Adc-consulting.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 514.0 kB (79%)

Content Size

646.7 kB

After Optimization

132.7 kB

  • HTML
  • JavaScript

In fact, the total size of Amsterdamdatacollective.com main page is 646.7 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. 50% of websites need less resources to load. HTML takes 597.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 506.8 kB

  • Original 597.0 kB
  • After minification 592.0 kB
  • After compression 90.2 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 506.8 kB or 85% of the original size.

JavaScript Optimization

-15%

Potential reduce by 7.2 kB

  • Original 49.7 kB
  • After minification 49.7 kB
  • After compression 42.5 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 7.2 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (69%)

Requests Now

36

After Optimization

11

  • Images
  • JavaScript

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Amsterdam Data Collective. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

amsterdamdatacollective.com

amsterdamdatacollective.com

207 ms

amsterdamdatacollective.com

amsterdamdatacollective.com

365 ms

adc-consulting.com

adc-consulting.com

658 ms

139750614.js

139750614.js

89 ms

jquery.min.js

jquery.min.js

181 ms

jquery-migrate.min.js

jquery-migrate.min.js

257 ms

jquery.easing.min.js

jquery.easing.min.js

260 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

298 ms

priority.js

priority.js

310 ms

transit.min.js

transit.min.js

312 ms

waypoints.js

waypoints.js

313 ms

imagesLoaded.min.js

imagesLoaded.min.js

340 ms

hoverintent.min.js

hoverintent.min.js

341 ms

magnific.js

magnific.js

386 ms

anime.min.js

anime.min.js

398 ms

flickity.js

flickity.js

400 ms

superfish.js

superfish.js

401 ms

init.js

init.js

607 ms

touchswipe.min.js

touchswipe.min.js

435 ms

complianz.min.js

complianz.min.js

477 ms

js_composer_front.min.js

js_composer_front.min.js

498 ms

lottie-player.min.js

lottie-player.min.js

586 ms

nectar-lottie.js

nectar-lottie.js

499 ms

nectar-delay-javascript.js

nectar-delay-javascript.js

519 ms

Logo-dark.svg

Logo-dark.svg

564 ms

Logo-white.svg

Logo-white.svg

600 ms

Adyen-svg.svg

Adyen-svg.svg

605 ms

Danske-Bank-svg.svg

Danske-Bank-svg.svg

607 ms

De-Volksbank-svg.svg

De-Volksbank-svg.svg

652 ms

Knab-svg-1.svg

Knab-svg-1.svg

677 ms

NovoNordisk.svg

NovoNordisk.svg

673 ms

TGTG.svg

TGTG.svg

678 ms

Logo-dark.svg

Logo-dark.svg

870 ms

Gotham-Light-1.otf

Gotham-Light-1.otf

794 ms

Gotham-Book-1.otf

Gotham-Book-1.otf

839 ms

Gotham-Medium-1.otf

Gotham-Medium-1.otf

770 ms

OpenSans-SemiBold.woff

OpenSans-SemiBold.woff

681 ms

fontawesome-webfont.svg

fontawesome-webfont.svg

874 ms

icomoon.woff

icomoon.woff

770 ms

web-interactives-embed.js

web-interactives-embed.js

534 ms

collectedforms.js

collectedforms.js

503 ms

fb.js

fb.js

493 ms

banner.js

banner.js

490 ms

139750614.js

139750614.js

474 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

88 ms

Accessibility Review

amsterdamdatacollective.com accessibility score

85

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.

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

amsterdamdatacollective.com 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

Page has valid source maps

SEO Factors

amsterdamdatacollective.com SEO score

92

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Amsterdamdatacollective.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Amsterdamdatacollective.com 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

amsterdamdatacollective.com

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