Yes, Matomo (Piwik) Javascript Tracking code is valid XHTML 1.0 Strict. See an example on piwik.org/xhtml/
Is the Matomo Javascript Tracking Code XHTML 1.0 compatible?
Category: General
Yes, Matomo (Piwik) Javascript Tracking code is valid XHTML 1.0 Strict. See an example on piwik.org/xhtml/