possible TAGs:
<!DOCTYPE>document type
<a>hyperlink
<abbr>abbreviation or an acronymacronym
<address>contact information for the author/owner of a document
<area>area inside an image-map
<article>article
<aside>content aside from the page content
<audio>sound content
<b>bold text
<base>Specifies the base URL/target for all relative URLs in a document
<bdi>Isolates a part of text, with maybe different direction
<bdo>Overrides the current text direction
<blockquote>section that is quoted from another source
<body>document's body
<br>single line break
<button>clickable button
<canvas>Used to draw graphics, on the fly, via scripting (usually JavaScript)
<caption>table caption centered text
<cite>title of a work
<code>piece of computer code
<col>Specifies column properties for each column within a <colgroup>
<colgroup>Specifies a group of one or more columns in a table for formatting
<data>Links the given content with a machine-readable translation
<datalist>Specifies a list of pre-defined options for input controls
<dd>description/value of a term in a description list
<del>text that has been deleted from a document
<details>additional details that the user can view or hide
<dfn>Represents the defining instance of a term
<dialog>dialog box or window
<div>section in a document
<dl>description list
<dt>term/name in a description list
<em>emphasized text
<embed>container for an external (non-HTML) application
<fieldset>Groups related elements in a form
<figcaption>caption for a <figure>
<figure>Specifies self-contained content
<footer>footer for a document or section
<form>HTML form for user input
<h1<to <h6>HTML headings
<head>information about the document
<header>header for a document or section
<hr>thematic change in the content
<html>root of an HTML document
<i>part of text in an alternate voice or mood
<iframe>inline frame
<img>image
<input>input control
<ins>text that has been inserted into a document
<kbd>keyboard input
<label>label for an <input>
<legend>caption for a <fieldset>
<li>list item
<link>to an external resource
<main>Specifies the main content of a document
<map>client-side image-map
<mark>marked/highlighted text
<meta>metadata about an HTML document
<meter>scalar measurement within a known range (a gauge)
<nav>navigation links
<noscript>alternate content for users that do not support client-side scripts
<object>embedded object
<ol>ordered list
<optgroup>group of related options in a drop-down list
</b>option in a drop-down list
<output>result of a calculation
<p>paragraph
<param>parameter for an object
<picture>container for multiple image resources
<pre>preformatted text
<progress>Represents the progress of a task
<q>short quotation
<rp>what to show in browsers that do not support ruby annotations
<rt>explanation/pronunciation of characters (for East Asian typography)
<ruby>ruby annotation (for East Asian typography)
<s>text that is no longer correct
<samp>sample output from a computer program
<script>client-side script
<section>section in a document
<select>drop-down list
<small>smaller text
<source>media resources for <video>, <audio>
<span>section in a document
<strong>important text
<style>style information for a document
<sub>subscripted text
<summary>visible heading for a <details<
<sup>superscripted text
<svg>container for SVG graphics
<table>table
<tbody>Groups the body content in a table
<td>cell in a table
<template>template
<textarea>multiline input control (text area)
<tfoot>Groups the footer content in a table
<th>header cell in a table
<thead>Groups the header content in a table
<time>date/time
<title>title for the document
<tr>row in a table
<track>text tracks for <video>, <audio>
<u>text that should be stylistically different from normal text
<ul>unordered list
<var>variable
<video>video or movie
<wbr>possible line-break
URLs
Mondphase@Computus.de
Impressum
login
www.meteoblue.com
INFOz
Roamy's Blurays
OpenStreetMaps
Bayern‐
TOOLz
Free File Exchange
Strecke von A nach B
examples@openlayers.org
roamy@home
GraFX
Mandelbrot@Git-Hub
Romies Backgrounds
IT
JavaScript
Alle Feiertage ... jemals
Layout
PHP: Hypertext Preprocessor
html5-Referenz
scan qr-code
Minecraft
php-checker
Bootstrap-Ediitor
Bash-Scripting
Rechnungs-Vordruck als Website
w3-school-layout
Mathe-Formeln
SVG - Kompendium
3D - Online
FOTOz
The Fuzzynator
Roamy @ Graz 2019
GAMEs
Tibia
meteoblue
Eine Öffentlichkeit|öffentliche Meinung gibt es nur da, wo Ideen fehlen. - Maximen zur Belehrung der Übergebildeten, Maxime 2
Im Englischen Orginal: .. Public opinion exists only where there are no ideas.)
URLs
OpenStreetMaps
Free File Exchange
examples@openlayers.org
Minecraft
Mathe-Formeln 
SVG - Kompendium
3D - Online
The Fuzzynator
Roamy @ Graz 2019
Tibia