Tools & Wizards About Us
hnf.de screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

hnf.de

HNF - Heinz Nixdorf MuseumsForum - Weltgrößtes Computermuseum in Paderborn

Page Load Speed

4.8 sec in total

First Response

396 ms

Resources Loaded

3.4 sec

Page Rendered

994 ms

hnf.de screenshot

About Website

Click here to check amazing HNF content for Germany. Otherwise, check out these important facts you probably never knew about hnf.de

Das Heinz Nixdorf MuseumsForum ist das weltgrößte Computermuseum und zudem ein lebendiger Veranstaltungsort in Paderborn.

Visit hnf.de

Key Findings

We analyzed Hnf.de page load time and found that the first response time was 396 ms and then it took 4.4 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

hnf.de performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

48/100

25%

SI (Speed Index)

Value6.8 s

34/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value1.303

1/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

hnf.de

396 ms

hnf.de

374 ms

home.html

303 ms

media2click.css

97 ms

7015c8c4ac5ff815b57530b221005fc6.css

193 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 96% of them (53 requests) were addressed to the original Hnf.de, 4% (2 requests) were made to Statistics.dm-extra.de. The less responsive or slowest element that took the longest time to load (800 ms) belongs to the original domain Hnf.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 158.3 kB (8%)

Content Size

1.9 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Hnf.de main page is 1.9 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 55.1 kB

  • Original 65.5 kB
  • After minification 50.3 kB
  • After compression 10.4 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 15.1 kB, which is 23% 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 55.1 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 58.3 kB

  • Original 1.8 MB
  • After minification 1.7 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. HNF images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 44.9 kB

  • Original 66.6 kB
  • After minification 66.6 kB
  • After compression 21.7 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 44.9 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (45%)

Requests Now

49

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HNF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hnf.de

hnf.de

396 ms

hnf.de

hnf.de

374 ms

home.html

home.html

303 ms

media2click.css

media2click.css

97 ms

7015c8c4ac5ff815b57530b221005fc6.css

7015c8c4ac5ff815b57530b221005fc6.css

193 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

279 ms

bootstrap.min.css

bootstrap.min.css

544 ms

bootstrap.ext.css

bootstrap.ext.css

297 ms

fonts.css

fonts.css

291 ms

rte.css

rte.css

290 ms

main.css

main.css

381 ms

jquery-3.1.1.min.js

jquery-3.1.1.min.js

550 ms

jquery.flexslider.min.js

jquery.flexslider.min.js

484 ms

t3.js

t3.js

387 ms

main.js

main.js

394 ms

script.js

script.js

475 ms

media2click.js

media2click.js

487 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

598 ms

default_frontend.js

default_frontend.js

598 ms

icon_play.svg

icon_play.svg

106 ms

icon_360.svg

icon_360.svg

110 ms

icon_star.svg

icon_star.svg

111 ms

icon_fuehrungen.png

icon_fuehrungen.png

212 ms

Heinz-Nixdorf-MuseumsForum_logo.svg

Heinz-Nixdorf-MuseumsForum_logo.svg

120 ms

Brunnen_HNF_4_1.jpg

Brunnen_HNF_4_1.jpg

329 ms

hnf_von_pong_bis_pokemon_.jpg

hnf_von_pong_bis_pokemon_.jpg

304 ms

Saeule_vor_dem_HNF.jpg

Saeule_vor_dem_HNF.jpg

427 ms

VR-Rundgang2.jpg

VR-Rundgang2.jpg

238 ms

csm_Wellen_f35a36b1ac.jpg

csm_Wellen_f35a36b1ac.jpg

332 ms

Huepfburg_Familientag_HNF_2.jpg

Huepfburg_Familientag_HNF_2.jpg

509 ms

Simon_Phillips_HNF.jpg

Simon_Phillips_HNF.jpg

432 ms

Universum_-Michael-KramerMPIfR-.jpg

Universum_-Michael-KramerMPIfR-.jpg

419 ms

csm_F%C3%BChrung_3d4066a921.jpg

csm_F%C3%BChrung_3d4066a921.jpg

448 ms

F7-Cafe_HNF_25.jpg

F7-Cafe_HNF_25.jpg

459 ms

csm_Geburtstag_65c0562c42.jpg

csm_Geburtstag_65c0562c42.jpg

609 ms

csm_Logo_barrierefreiheit_Quadrat_RGB_M_HG-grau_72041dea9c.png

csm_Logo_barrierefreiheit_Quadrat_RGB_M_HG-grau_72041dea9c.png

627 ms

csm_Multimedia-Guide_HNF_3_cf3c6cd301.jpg

csm_Multimedia-Guide_HNF_3_cf3c6cd301.jpg

534 ms

Museumshighlights_240x240.jpg

Museumshighlights_240x240.jpg

555 ms

Rundtour.jpg

Rundtour.jpg

560 ms

logo_rund_facebook.svg

logo_rund_facebook.svg

607 ms

logo_rund_twitter.svg

logo_rund_twitter.svg

635 ms

logo_rund_instagram.svg

logo_rund_instagram.svg

659 ms

logo_rund_threads.svg

logo_rund_threads.svg

661 ms

logo_rund_linkedin.svg

logo_rund_linkedin.svg

711 ms

logo_rund_youtube.svg

logo_rund_youtube.svg

707 ms

right_large.svg

right_large.svg

704 ms

app.svg

app.svg

711 ms

highlights.svg

highlights.svg

737 ms

virtuelle_rundtour.svg

virtuelle_rundtour.svg

740 ms

b23ccf56-0446-476c-adce-42ac11400ac5.woff

b23ccf56-0446-476c-adce-42ac11400ac5.woff

775 ms

407aae8b-c685-4c9e-8484-59ce8648be84.woff

407aae8b-c685-4c9e-8484-59ce8648be84.woff

792 ms

a84f9414-0a63-43c3-af4e-b539379a7663.woff

a84f9414-0a63-43c3-af4e-b539379a7663.woff

800 ms

matomo.js

matomo.js

652 ms

matomo.php

matomo.php

313 ms

print.css

print.css

108 ms

Accessibility Review

hnf.de accessibility score

87

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

hnf.de 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

hnf.de SEO score

100

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

hnf.de

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