fritz-zwicky.ch

Website review fritz-zwicky.ch

 Generated on February 11 2026 06:18 AM

Old data? UPDATE !

The score is 63/100

SEO Content

Title

Ein Pionier der Astrophysik – Der Mann, der die Dunkelheit sah

Length : 62

Perfect, your title contains between 10 and 70 characters.

Description

Fritz Zwicky, ein bahnbrechender Astrophysiker, der das Verständnis des Universums und der schwer fassbaren dunklen Materie verändert hat.

Length : 138

Great, your meta description contains between 70 and 160 characters.

Keywords

Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.

Og Meta Properties

This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.

Headings

H1 H2 H3 H4 H5 H6
1 3 0 3 3 0
  • [H1] Fritz Zwicky - Ein Streifzug durch sein Leben und Werk
  • [H2] Mit freundlicher Unterstützung von
  • [H2] Beliebte Tweets
  • [H2] Beliebte Bilder
  • [H4] Kontakt
  • [H4] Links
  • [H4] Newsletter
  • [H5] Kosmischer Innovator - Eine ausführliche biografische Studie über sein Leben
  • [H5] Das Genie von Fritz Zwicky - Dunkle Materie und astronomische Entdeckungen
  • [H5] Wegweisende Schriften - Einflussreiche Entdeckungen und Theorien

Images

We found 6 images on this web page.

Good, most or all of your images have alt attributes.

Text/HTML Ratio

Ratio : 32%

Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.

Flash

Perfect, no Flash content has been detected on this page.

Iframe

Great, there are no Iframes detected on this page.

URL Rewrite

Good. Your links looks friendly!

Underscores in the URLs

Perfect! No underscores detected in your URLs.

In-page links

We found a total of 7 links including 0 link(s) to files

Anchor Type Juice
Fritz Zwicky Internal Passing Juice
Kosmischer Innovator Internal Passing Juice
Dunkle Materie Internal Passing Juice
Wegweisende Schriften Internal Passing Juice
https://t.co/UGRiLnXtLq External Passing Juice
15. Juli 2024 External Passing Juice
Datenschutzrichtlinie Internal Passing Juice

SEO Keywords

Keywords Cloud

zwicky mehr sich der fritz und lesen von leben mit

Keywords Consistency

Keyword Content Title Keywords Description Headings
der 6
zwicky 6
und 5
von 4
fritz 4

Usability

Url

Domain : fritz-zwicky.ch

Length : 15

Favicon

Great, your website has a favicon.

Printability

We could not find a Print-Friendly CSS.

Language

Good. Your declared language is de.

Dublin Core

This page does not take advantage of Dublin Core.

Document

Doctype

HTML 5

Encoding

Perfect. Your declared charset is UTF-8.

W3C Validity

Errors : 0

Warnings : 0

Email Privacy

Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.

Deprecated HTML

Great! We haven't found deprecated HTML tags in your HTML.

Speed Tips

Excellent, your website doesn't use nested tables.
Too bad, your website is using inline styles.
Too bad, your website has too many CSS files (more than 4).
Too bad, your website has too many JS files (more than 6).
Perfect, your website takes advantage of gzip.

Mobile

Mobile Optimization

Apple Icon
Meta Viewport Tag
Flash content

Optimization

XML Sitemap

Great, your website has an XML sitemap.

https://www.fritz-zwicky.ch/sitemap.xml

Robots.txt

http://fritz-zwicky.ch/robots.txt

Great, your website has a robots.txt file.

Analytics

Missing

We didn't detect an analytics tool installed on this website.

Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.

PageSpeed Insights

Device
Categories

Website-SEO-Überprüfung

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