Why did negative information appear in the browser console after checking the installation of the Yandex Metrica counter on my site?

Y

Yaroslavga2020-05-21 11:27:36

Web traffic analysis

Yaroslavga, 2020-05-21 11:27:36

Why did negative information appear in the browser console after checking the installation of the Yandex Metrica counter on my site?
https://webnauka.com/_ym_debug=1 404
jquery-migrate.min.js:2 JQMIGRATE: Migrate is installed, version 1.4.1
_ym_debug=1:144 Uncaught SyntaxError: Unexpected token '<'
adsbygoogle.js:52 Uncaught O {message: "adsbygoogle.push() error: No slot size for availableWidth=0", name: "TagError", pbr: true, stack: "TagError: adsbygoogle.push() error: No slot size f…esyndication. com/pagead/js/adsbygoogle.js:60:357)"}
l.fa @ adsbygoogle.js:52
tf @ adsbygoogle.js:60
Mk @ adsbygoogle.js:192
(anonymous) @ adsbygoogle.js:201
(anonymous ) @adsbygoogle.js:201
3?v=2.0:6 WebSocket connection to 'wss://public-api.wordpress.com/pinghub/wpcom/me/newest-note-data' failed: Error during WebSocket handshake: Unexpected response code: 403