Tools & Wizards About Us
ghwk.de screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

ghwk.de

Gedenk- und Bildungsstätte Haus der Wannsee-Konferenz

Page Load Speed

3.1 sec in total

First Response

293 ms

Resources Loaded

2.3 sec

Page Rendered

512 ms

ghwk.de screenshot

About Website

Visit ghwk.de now to see the best up-to-date Ghwk content for Germany and also check out these interesting facts you probably never knew about ghwk.de

Die Gedenkstätte dokumentiert die Wannsee-Konferenz und setzt sich mit Ausstellungen, Bildungsangeboten und einer Bibliothek mit dem Holocaust auseinander.

Visit ghwk.de

Key Findings

We analyzed Ghwk.de page load time and found that the first response time was 293 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

ghwk.de performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.106

88/100

15%

TTI (Time to Interactive)

Value4.0 s

87/100

10%

Network Requests Diagram

ghwk.de

293 ms

ghwk.de

400 ms

de

195 ms

merged-40d42b1548815f5fa597056e5aeba018-30c182c3caa38c0b8843c538ce505ce2.css

298 ms

merged-aa54d7f81e1e50c4b9807ac412e293e7-f33b296c4d6e14091c7023f0c25800bb.js

505 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that all of those requests were addressed to Ghwk.de and no external sources were called. The less responsive or slowest element that took the longest time to load (612 ms) belongs to the original domain Ghwk.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 173.8 kB (20%)

Content Size

857.7 kB

After Optimization

683.9 kB

  • HTML
  • Images

In fact, the total size of Ghwk.de main page is 857.7 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. 30% of websites need less resources to load. Images take 721.9 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 124.3 kB

  • Original 135.8 kB
  • After minification 83.9 kB
  • After compression 11.5 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 51.8 kB, which is 38% 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 124.3 kB or 92% of the original size.

Image Optimization

-7%

Potential reduce by 49.5 kB

  • Original 721.9 kB
  • After minification 672.4 kB

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. Ghwk images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ghwk. According to our analytics all requests are already optimized.

Network Requests Diagram

ghwk.de

ghwk.de

293 ms

ghwk.de

ghwk.de

400 ms

de

de

195 ms

merged-40d42b1548815f5fa597056e5aeba018-30c182c3caa38c0b8843c538ce505ce2.css

merged-40d42b1548815f5fa597056e5aeba018-30c182c3caa38c0b8843c538ce505ce2.css

298 ms

merged-aa54d7f81e1e50c4b9807ac412e293e7-f33b296c4d6e14091c7023f0c25800bb.js

merged-aa54d7f81e1e50c4b9807ac412e293e7-f33b296c4d6e14091c7023f0c25800bb.js

505 ms

merged-42618277609bfcbc6c889685f8b1cfea-705fd2d4bec6c8ad14ca1456e70a6528.js

merged-42618277609bfcbc6c889685f8b1cfea-705fd2d4bec6c8ad14ca1456e70a6528.js

304 ms

Form.min-19f3ea02096d0e0d2f1ca899bcfbe50c.js

Form.min-19f3ea02096d0e0d2f1ca899bcfbe50c.js

391 ms

sprite.symbol.svg

sprite.symbol.svg

106 ms

logo-hdwk.svg

logo-hdwk.svg

137 ms

csm_ausstellung_bg_549967a41f.jpg

csm_ausstellung_bg_549967a41f.jpg

204 ms

csm_Bildungsangebote%402x_8416a64272.jpg

csm_Bildungsangebote%402x_8416a64272.jpg

424 ms

csm_bibliothek_bg_7442c3bfa6.png

csm_bibliothek_bg_7442c3bfa6.png

612 ms

logo-hdwk-invert.svg

logo-hdwk-invert.svg

313 ms

logo__bundesbeauftragte-kultur-medien.svg

logo__bundesbeauftragte-kultur-medien.svg

315 ms

logo__berlin-kultur.svg

logo__berlin-kultur.svg

318 ms

FSMeWeb-Regular.woff

FSMeWeb-Regular.woff

303 ms

FSMeWeb-Light.woff

FSMeWeb-Light.woff

431 ms

FSMeWeb-Bold.woff

FSMeWeb-Bold.woff

451 ms

FSMeWeb-Heavy.woff

FSMeWeb-Heavy.woff

351 ms

FSMeWeb-Italic.woff

FSMeWeb-Italic.woff

403 ms

FSMeWeb-LightItalic.woff

FSMeWeb-LightItalic.woff

477 ms

FSMeWeb-BoldItalic.woff

FSMeWeb-BoldItalic.woff

477 ms

FSMeWeb-HeavyItalic.woff

FSMeWeb-HeavyItalic.woff

503 ms

Accessibility Review

ghwk.de accessibility score

99

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

Best Practices

ghwk.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

ghwk.de SEO score

92

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

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 Ghwk.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 Ghwk.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

ghwk.de

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