Tools & Wizards About Us
dataexpert.nl screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

dataexpert.nl

DataExpert - Uw partner in de strijd tegen (cyber)criminaliteit - DataExpert NL

Page Load Speed

3.9 sec in total

First Response

371 ms

Resources Loaded

3 sec

Page Rendered

487 ms

dataexpert.nl screenshot

About Website

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

DataExpert helpt u als kennis- en technologiepartner op het gebied van criminaliteitsbestrijding en databeveiliging om de wereld elke dag veiliger te maken.

Visit dataexpert.nl

Key Findings

We analyzed Dataexpert.nl page load time and found that the first response time was 371 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

dataexpert.nl performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.089

92/100

15%

TTI (Time to Interactive)

Value9.7 s

29/100

10%

Network Requests Diagram

dataexpert.nl

371 ms

www.dataexpert.nl

680 ms

CookieConsent.js

189 ms

CookieNotice.css

281 ms

css

38 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 78% of them (35 requests) were addressed to the original Dataexpert.nl, 4% (2 requests) were made to Fonts.googleapis.com and 4% (2 requests) were made to Ajax.aspnetcdn.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Dataexpert.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 243.1 kB (17%)

Content Size

1.4 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dataexpert.nl main page is 1.4 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 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 68.0 kB

  • Original 82.9 kB
  • After minification 60.9 kB
  • After compression 14.9 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 22.0 kB, which is 27% 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 68.0 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 9.8 kB

  • Original 1.0 MB
  • After minification 1.0 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. Data Expert images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 151.2 kB

  • Original 277.3 kB
  • After minification 277.3 kB
  • After compression 126.1 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 151.2 kB or 55% of the original size.

CSS Optimization

-36%

Potential reduce by 14.0 kB

  • Original 38.8 kB
  • After minification 38.3 kB
  • After compression 24.8 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. Dataexpert.nl needs all CSS files to be minified and compressed as it can save up to 14.0 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (35%)

Requests Now

34

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data Expert. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dataexpert.nl

dataexpert.nl

371 ms

www.dataexpert.nl

www.dataexpert.nl

680 ms

CookieConsent.js

CookieConsent.js

189 ms

CookieNotice.css

CookieNotice.css

281 ms

css

css

38 ms

css

css

57 ms

all.css

all.css

432 ms

all-2.css

all-2.css

337 ms

scripts.min.js

scripts.min.js

801 ms

jquery.validate.min.js

jquery.validate.min.js

22 ms

jquery.validate.unobtrusive.min.js

jquery.validate.unobtrusive.min.js

23 ms

umbracoforms.min.js

umbracoforms.min.js

282 ms

style.css

style.css

283 ms

gtm.js

gtm.js

63 ms

WebsiteAutomation.js

WebsiteAutomation.js

372 ms

385925464

385925464

342 ms

dataexpert_logo_transparant-klein.png

dataexpert_logo_transparant-klein.png

291 ms

flag-nl.svg

flag-nl.svg

223 ms

flag-en.svg

flag-en.svg

221 ms

flag-da.svg

flag-da.svg

290 ms

flag-sv.svg

flag-sv.svg

303 ms

analytics.jpg

analytics.jpg

481 ms

producten-header.jpg

producten-header.jpg

405 ms

training.jpg

training.jpg

396 ms

services.jpg

services.jpg

325 ms

analytics-icoon-2.png

analytics-icoon-2.png

335 ms

digital-forensics-icoon.png

digital-forensics-icoon.png

415 ms

cyber-security-2.png

cyber-security-2.png

428 ms

osint-2.png

osint-2.png

432 ms

dataexpert-has-a-new-ceo.png

dataexpert-has-a-new-ceo.png

830 ms

shutterstock_577881067.jpg

shutterstock_577881067.jpg

511 ms

_mg_3786.jpg

_mg_3786.jpg

530 ms

tipsentricks-videos.jpg

tipsentricks-videos.jpg

536 ms

footer-afbeelding.jpg

footer-afbeelding.jpg

719 ms

dataexpert_logo_transparant-01.png

dataexpert_logo_transparant-01.png

580 ms

background_browser.gif

background_browser.gif

791 ms

browser_chrome.gif

browser_chrome.gif

742 ms

browser_firefox.gif

browser_firefox.gif

661 ms

browser_safari.gif

browser_safari.gif

810 ms

browser_opera.gif

browser_opera.gif

1002 ms

browser_msie.gif

browser_msie.gif

983 ms

font

font

17 ms

icomoon.ttf

icomoon.ttf

795 ms

font

font

34 ms

api.js

api.js

11 ms

Accessibility Review

dataexpert.nl accessibility score

69

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

dataexpert.nl best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

dataexpert.nl SEO score

82

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    EN

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dataexpert.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Dataexpert.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

dataexpert.nl

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