Tools & Wizards About Us
npo3lab.nl screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

npo3lab.nl

NPO3LAB – LAB3 – alles over lab3

Page Load Speed

5.8 sec in total

First Response

331 ms

Resources Loaded

5.1 sec

Page Rendered

407 ms

npo3lab.nl screenshot

About Website

Welcome to npo3lab.nl homepage info - get ready to check NPO3LAB best content for Netherlands right away, or after learning these important things about npo3lab.nl

Op 3LAB kun je online het hele jaar door verfrissende, verse, en experimentele video’s bekijken die gemaakt zijn door talentvolle jongeren.

Visit npo3lab.nl

Key Findings

We analyzed Npo3lab.nl page load time and found that the first response time was 331 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

npo3lab.nl performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.267

46/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

npo3lab.nl

331 ms

427 ms

www.npo3lab.nl

86 ms

www.npo3lab.nl

628 ms

wp-emoji-release.min.js

87 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 76% of them (42 requests) were addressed to the original Npo3lab.nl, 7% (4 requests) were made to Fast.fonts.net and 4% (2 requests) were made to Cookiesv2.publiekeomroep.nl. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Npoplayer.omroep.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 659.6 kB (32%)

Content Size

2.1 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Npo3lab.nl main page is 2.1 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 50.0 kB

  • Original 58.5 kB
  • After minification 50.0 kB
  • After compression 8.4 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 8.5 kB, which is 14% 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 50.0 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 1.7 kB

  • Original 1.2 MB
  • After minification 1.2 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. NPO3LAB images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 423.9 kB

  • Original 593.6 kB
  • After minification 591.3 kB
  • After compression 169.7 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 423.9 kB or 71% of the original size.

CSS Optimization

-83%

Potential reduce by 183.9 kB

  • Original 221.3 kB
  • After minification 219.0 kB
  • After compression 37.4 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. Npo3lab.nl needs all CSS files to be minified and compressed as it can save up to 183.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (24%)

Requests Now

41

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NPO3LAB. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

npo3lab.nl

npo3lab.nl

331 ms

427 ms

www.npo3lab.nl

www.npo3lab.nl

86 ms

www.npo3lab.nl

www.npo3lab.nl

628 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

87 ms

36e17416-0a8a-40d2-a863-b1d48bf2a104.css

36e17416-0a8a-40d2-a863-b1d48bf2a104.css

59 ms

npo_cc_styles.css

npo_cc_styles.css

117 ms

3lab.min.css

3lab.min.css

262 ms

font-awesome.min.css

font-awesome.min.css

15 ms

iframe-npo.php

iframe-npo.php

169 ms

jquery.min.js

jquery.min.js

11 ms

cconsent.min.js

cconsent.min.js

336 ms

main.min.js

main.min.js

431 ms

handle_rating.js

handle_rating.js

170 ms

logo-svg.svg

logo-svg.svg

171 ms

vlcsnap-2016-03-03-17h41m14s6-720x405.png

vlcsnap-2016-03-03-17h41m14s6-720x405.png

668 ms

Me--150x150.jpg

Me--150x150.jpg

243 ms

vlcsnap-2016-01-11-17h18m42s96-360x203.png

vlcsnap-2016-01-11-17h18m42s96-360x203.png

611 ms

160107-Puberdagboek-Submarine-3Lab-Willem-PROMO.mov_snapshot_00.22_2016.01.10_20.15.04-360x203.jpg

160107-Puberdagboek-Submarine-3Lab-Willem-PROMO.mov_snapshot_00.22_2016.01.10_20.15.04-360x203.jpg

336 ms

Wisse-Stolk-150x150.jpg

Wisse-Stolk-150x150.jpg

332 ms

vlcsnap-2016-03-03-17h40m34s125-360x203.png

vlcsnap-2016-03-03-17h40m34s125-360x203.png

611 ms

aflevering-3-360x203.png

aflevering-3-360x203.png

610 ms

vlcsnap-2016-03-03-17h39m27s227-360x203.png

vlcsnap-2016-03-03-17h39m27s227-360x203.png

716 ms

vlcsnap-2016-03-03-17h41m14s6-360x203.png

vlcsnap-2016-03-03-17h41m14s6-360x203.png

611 ms

bent-pasfoto-150x150.jpg

bent-pasfoto-150x150.jpg

612 ms

vlcsnap-2016-01-29-11h53m40s2-360x203.png

vlcsnap-2016-01-29-11h53m40s2-360x203.png

755 ms

vlcsnap-2016-01-29-12h43m53s184-360x203.png

vlcsnap-2016-01-29-12h43m53s184-360x203.png

756 ms

vlcsnap-2016-01-29-13h47m26s84-360x203.png

vlcsnap-2016-01-29-13h47m26s84-360x203.png

758 ms

3lab-texture.png

3lab-texture.png

386 ms

star_full.png

star_full.png

464 ms

star_half.png

star_half.png

471 ms

play-white.svg

play-white.svg

507 ms

Still_004_afl2-720x405.jpg

Still_004_afl2-720x405.jpg

551 ms

bent-still3-720x405.jpg

bent-still3-720x405.jpg

551 ms

160107-Puberdagboek-Submarine-3Lab-Alma-Internet-versie-inclusief-end-card.mp4_snapshot_03.00_2016.01.09_20.43.52-720x405.jpg

160107-Puberdagboek-Submarine-3Lab-Alma-Internet-versie-inclusief-end-card.mp4_snapshot_03.00_2016.01.09_20.43.52-720x405.jpg

548 ms

JOYLAND_1-720x302.jpg

JOYLAND_1-720x302.jpg

547 ms

star_empty.png

star_empty.png

554 ms

MY-SILICONE-LOVE04klein-720x301.jpg

MY-SILICONE-LOVE04klein-720x301.jpg

590 ms

Afraid9-720x405.jpg

Afraid9-720x405.jpg

630 ms

logo-white.svg

logo-white.svg

632 ms

iframe-npo.php

iframe-npo.php

606 ms

74df122e-b294-4b16-a1fd-308654b1c664.woff

74df122e-b294-4b16-a1fd-308654b1c664.woff

29 ms

e40e6ac5-f2bd-4d65-baf7-b1e397d7fdcc.woff

e40e6ac5-f2bd-4d65-baf7-b1e397d7fdcc.woff

78 ms

51a56502-44d2-4d70-808f-fc822da45209.woff

51a56502-44d2-4d70-808f-fc822da45209.woff

97 ms

ss-standard.woff

ss-standard.woff

603 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

3 ms

ss-social-regular.woff

ss-social-regular.woff

618 ms

ss-social-circle.woff

ss-social-circle.woff

643 ms

analytics.js

analytics.js

163 ms

ajax-loader.gif

ajax-loader.gif

438 ms

ss-gizmo.woff

ss-gizmo.woff

438 ms

collect

collect

11 ms

iframe-npo.php

iframe-npo.php

325 ms

npoplayer-min.js

npoplayer-min.js

1277 ms

i.js

i.js

709 ms

Accessibility Review

npo3lab.nl accessibility score

96

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

Low

No form fields have multiple labels

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

npo3lab.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

SEO Factors

npo3lab.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 Npo3lab.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 Npo3lab.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

npo3lab.nl

Open Graph data is detected on the main page of NPO3LAB. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: