Unbeknownst
by various site development professionals
things may be
awry.

[Note: The following Service Announcement has been provided gratis by The Elementary Standards for those sites which may have dysfunctional values of perception; or, perceived value deficiencies; or, difficulties with search engines optimization Hoodoo. This Service Announcement has been induced by Roger Johansson’s “It’s alt attribute, not alt tag | 456 Berea Street”.]