Observation Details
The HTML abbreviation element is used inconsistently. E.g. used on "mtl." but not on "zzgl." in the same paragraph.
<p class="...">
zzgl. <abbr title="monatlich">mtl.</abbr> Kosten der Streaming-Option
</p>It also isn't used at all for other paragraphs:
<p class="Stage_Stage__subtitle30jahre__ZAtNI CopyText__copy-text___78uN4">
...
inkl. 100 GB für nur 34,95 € mtl.
...
</p>Remediation Notes
It is best practice to follow a consistent rule of when to use abbreviation elements to allow for a consistent user experience:
Not at all (ideally combine with using less or no abbreviations at all)
All the time (most consistent)
Once for the first instance of the abbreviated phrase