Tools & Wizards About Us
harnackhaus-berlin.mpg.de screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

harnackhaus-berlin.mpg.de

Harnack-Haus | Harnack-Haus der Max-Planck-Gesellschaft

Page Load Speed

6.1 sec in total

First Response

1 sec

Resources Loaded

3.1 sec

Page Rendered

2 sec

harnackhaus-berlin.mpg.de screenshot

About Website

Visit harnackhaus-berlin.mpg.de now to see the best up-to-date Harnack Haus Berlin Mpg content for Germany and also check out these interesting facts you probably never knew about harnackhaus-berlin.mpg.de

Das Harnack-Haus liegt im Villen- und Wissenschaftsviertel Dahlem, das schon seit rund hundert Jahren als "deutsches Oxford" bezeichnet wird. 1929 als Gäste- und Tagungshaus der Kaiser-Wilhelm-Gesells...

Visit harnackhaus-berlin.mpg.de

Key Findings

We analyzed Harnackhaus-berlin.mpg.de page load time and found that the first response time was 1 sec and then it took 5.1 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

harnackhaus-berlin.mpg.de performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

69/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value7,450 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.989

2/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

www.harnackhaus-berlin.mpg.de

1043 ms

de

614 ms

hhmpg-desktop-de-5292e5b6f269884a38840601a36db49eae100ae41525c1ccd003756d66618d7e.svg

143 ms

mpg_icons-webfont-9bcce572c7eb4b7d4fde83a97f24418bd1dea64fd814565f5323869e5f5b6054.woff

229 ms

katex-c4e1de60ef5c55e07248051d501fb6db1b0f648d0953bbd5fdf04119ddd88fd5.css

122 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to Harnackhaus-berlin.mpg.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Harnackhaus-berlin.mpg.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 337.3 kB (85%)

Content Size

398.7 kB

After Optimization

61.5 kB

  • HTML
  • CSS

In fact, the total size of Harnackhaus-berlin.mpg.de main page is 398.7 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. 15% of websites need less resources to load. HTML takes 393.0 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 337.3 kB

  • Original 393.0 kB
  • After minification 389.9 kB
  • After compression 55.7 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 337.3 kB or 86% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 5.8 kB
  • After minification 5.8 kB
  • After compression 5.8 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. Harnackhaus-berlin.mpg.de has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

  • Images
  • CSS

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Harnack Haus Berlin Mpg. According to our analytics all requests are already optimized.

Network Requests Diagram

www.harnackhaus-berlin.mpg.de

www.harnackhaus-berlin.mpg.de

1043 ms

de

de

614 ms

hhmpg-desktop-de-5292e5b6f269884a38840601a36db49eae100ae41525c1ccd003756d66618d7e.svg

hhmpg-desktop-de-5292e5b6f269884a38840601a36db49eae100ae41525c1ccd003756d66618d7e.svg

143 ms

mpg_icons-webfont-9bcce572c7eb4b7d4fde83a97f24418bd1dea64fd814565f5323869e5f5b6054.woff

mpg_icons-webfont-9bcce572c7eb4b7d4fde83a97f24418bd1dea64fd814565f5323869e5f5b6054.woff

229 ms

katex-c4e1de60ef5c55e07248051d501fb6db1b0f648d0953bbd5fdf04119ddd88fd5.css

katex-c4e1de60ef5c55e07248051d501fb6db1b0f648d0953bbd5fdf04119ddd88fd5.css

122 ms

Accessibility Review

harnackhaus-berlin.mpg.de accessibility score

76

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

harnackhaus-berlin.mpg.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

harnackhaus-berlin.mpg.de SEO score

91

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

High

Tap targets are not sized appropriately

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 Harnackhaus-berlin.mpg.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 Harnackhaus-berlin.mpg.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

harnackhaus-berlin.mpg.de

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