You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <search>
      <p ns="0" title="Testseite" snippet="Gerund or infinitive: It depends on the meaning &#10;* [https://www.ego4u&lt;b&gt; ... &lt;/b&gt;The simple present and present progressive with future meaning&lt;b&gt; ... &lt;/b&gt;" size="24090" wordcount="3103" timestamp="2022-10-24T06:49:36Z" />
      <p ns="0" title="8.Klasse" snippet="Gerund or infinitive: It depends on the meaning &#10;* [https://www.ego4u.de/de/cram-up/grammar/infinitive-gerund/exercises?04 gerund or infinitive]&lt;b&gt; ... &lt;/b&gt;" size="6812" wordcount="950" timestamp="2020-10-26T09:00:18Z" />
      <p ns="0" title="9.Klasse" snippet="The simple present and present progressive with future meaning&lt;b&gt; ... &lt;/b&gt;Tenses with future meaning &#10;* [https://www.perfect-english-grammar.com/future&lt;b&gt; ... &lt;/b&gt;" size="18784" wordcount="2334" timestamp="2023-02-23T16:09:02Z" />
    </search>
  </query>
</api>