Website review web-astronaut.ch
Generated on February 23 2026 16:36 PM
Old data? UPDATE !
The score is 57/100
SEO Content
Title
Web Astronaut - Home
Length : 20
Perfect, your title contains between 10 and 70 characters.
Description
Der Web Astronaut ist eine Kurzreferenz für die Websprachen HTML und CSS. Er wird im Informatikunterricht an der Volks- und Berufsschule eingesetzt.
Length : 148
Great, your meta description contains between 70 and 160 characters.
Keywords
HTML, CSS, Informatik, Unterricht, Schule, Volksschule, Berufsschule, Lernen, Code, Referenz, Tutorial, Erklärung, Übung, Zürich, Stäfa, Schweiz, Web, Web Astronaut, Internet, Webentwicklung, Webentwickler, Website, Copy&Paste, Kopieren, Einsetzen, PICTS
Good, your page contains meta 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 | 1 | 0 | 0 | 0 |
- [H1] Web Astronaut
- [H2] HTML und CSS auf den Punkt gebracht
- [H2] Code online kopieren
- [H2] HTML macht Schule
- [H3] Optimiert für schmale Ansichten
Images
We found 4 images on this web page.
2 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio
Ratio : 18%
Good, this page's ratio of text to HTML code is higher than 15, but lower than 25 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.
In-page links
We found a total of 84 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| HTML5 | Internal | Passing Juice |
| CSS | Internal | Passing Juice |
| "Split View" | Internal | Passing Juice |
| "Leitfaden zum Lernen" | Internal | Passing Juice |
| Christian Bodhi | External | Passing Juice |
| Pixabay | External | Passing Juice |
| Home | Internal | Passing Juice |
| Das ist nur ... | Internal | Passing Juice |
| Alle Codepens und Downloads | Internal | Passing Juice |
| Alle Quizzes | Internal | Passing Juice |
| Code Editoren | Internal | Passing Juice |
| Links & Tipps | Internal | Passing Juice |
| Der Autor | Internal | Passing Juice |
| Text-Strukturen schaffen | Internal | Passing Juice |
| Überschrift 1 <h1> | Internal | Passing Juice |
| Überschrift 2 <h2> | Internal | Passing Juice |
| Überschrift 3 <h3> | Internal | Passing Juice |
| Absatz <p> | Internal | Passing Juice |
| Zeilenumbruch <br> | Internal | Passing Juice |
| Starke Betonung <strong> | Internal | Passing Juice |
| Ungeordnete Liste <ul> | Internal | Passing Juice |
| Geordnete Liste <ol> | Internal | Passing Juice |
| Quiz "Aufbau von HTML-Texten" | Internal | Passing Juice |
| HTML-Text Werkstatt | Internal | Passing Juice |
| Übersicht Bereiche | Internal | Passing Juice |
| Kopfbereich <header> | Internal | Passing Juice |
| Navigation <nav> | Internal | Passing Juice |
| Hauptbereich <main> | Internal | Passing Juice |
| Fussbereich <footer> | Internal | Passing Juice |
| Universal-Tag <div> | Internal | Passing Juice |
| Quiz "Seiten-Bereiche" | Internal | Passing Juice |
| Was sind eigentlich Links? | Internal | Passing Juice |
| <link> ≠ "link" | Internal | Passing Juice |
| Link <a> | Internal | Passing Juice |
| href-Attribut | Internal | Passing Juice |
| Link öffnet neuen Tab | Internal | Passing Juice |
| Bild wird Link, <img> im <a> | Internal | Passing Juice |
| Mailto Link | Internal | Passing Juice |
| Telefon Link | Internal | Passing Juice |
| Quiz "Links" | Internal | Passing Juice |
| Grundlagen Medien-Dateien | Internal | Passing Juice |
| src-Attribut | Internal | Passing Juice |
| Bitmap-Bild <img> | Internal | Passing Juice |
| Vektor-Bild <svg> | Internal | Passing Juice |
| SVG Spielplatz | Internal | Passing Juice |
| Video <video> | Internal | Passing Juice |
| Video Poster | Internal | Passing Juice |
| Video mit <iframe> einbetten | Internal | Passing Juice |
| Audio <audio> | Internal | Passing Juice |
| Medien Formate | Internal | Passing Juice |
| Quiz "Medien einbetten" | Internal | Passing Juice |
| Tabellen Startseite | Internal | Passing Juice |
| Tabelle <table> | Internal | Passing Juice |
| Zeile <tr> | Internal | Passing Juice |
| Zelle <td> | Internal | Passing Juice |
| Kopfzelle <th> | Internal | Passing Juice |
| Zellen verbinden mit colspan | Internal | Passing Juice |
| Zellen verbinden mit rowspan | Internal | Passing Juice |
| Quiz "HTML-Tabellen" | Internal | Passing Juice |
| Gerüste Startseite | Internal | Passing Juice |
| Minimales Grundgerüst | Internal | Passing Juice |
| DTD | Internal | Passing Juice |
| <html> | Internal | Passing Juice |
| <head> | Internal | Passing Juice |
| <body> | Internal | Passing Juice |
| Grundgerüst mit CSS | Internal | Passing Juice |
| Erweitertes Grundgerüst | Internal | Passing Juice |
| Quiz "Tags für HTML-Gerüste" | Internal | Passing Juice |
| Tags im <head> | Internal | Passing Juice |
| Title-Tag <title> | Internal | Passing Juice |
| <meta> charset | Internal | Passing Juice |
| <meta> viewport | Internal | Passing Juice |
| <meta> description | Internal | Passing Juice |
| <meta> keywords | Internal | Passing Juice |
| Quiz "Die Tags im <head>" | Internal | Passing Juice |
| Theorie Startseite | Internal | Passing Juice |
| Was ist HTML? | Internal | Passing Juice |
| Der Quellcode | Internal | Passing Juice |
| Tags | Internal | Passing Juice |
| Attribute | Internal | Passing Juice |
| Tags verschachteln | Internal | Passing Juice |
| Lesbarer Code | Internal | Passing Juice |
| Sir Tim Berners-Lee | Internal | Passing Juice |
| Quiz "HTML Theorie" | Internal | Passing Juice |
SEO Keywords
Keywords Cloud
html mit links meta link einbetten übersicht video tags quiz
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| quiz | 8 |  |
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| link | 7 | |
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| html | 5 | |
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| tags | 5 | |
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| links | 4 | |
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Usability
Url
Domain : web-astronaut.ch
Length : 16
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
Great no email address has been found in plain text!
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). |
|
Perfect, your website has few JavaScript files. |
|
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://web-astronaut.ch/sitemap.xml |
Robots.txt
http://web-astronaut.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
Website-SEO-Überprüfung is a free SEO tool which provides you content analysis of the website.