Course accessibility issues

As reported by eThink, WAVE reports the following issues on the course page:

• Errors
  • 1 X Missing alternative text. Addressed by MDL-70173.
    This is related to the user avatar at the top right of the page

    <span class="avatar current">

    <img src="/theme/image.php/boost/core/1600356695/u/f2" class="userpicture

    defaultuserpic" width="35" height="35" aria-hidden="true" style="outline: red

    dashed 2px;">

    </span>

  • 5 X Empty link. Addressed by MDL-70173.

    <a class="text-dark" data-action="closedrawer" href="#">

    <i class="icon fa fa-window-close fa-fw " title="Close" aria-label="Close"></i>

    </a>

    <a class="h-100 d-flex align-items-center mr-2" href="#" data-route-

    back="" role="button"><div class="icon-back-in-drawer">

    <a class="mr-2 align-self-stretch d-flex align-items-center" href="#" data-route-

    back="" data-action="cancel-search" role="button"><div class="icon-back-in-

    drawer">

    <a class="h-100 d-flex mr-2 align-items-center" href="#" data-route-

    back="" role="button"><div class="icon-back-in-drawer">

    <a class="btn btn-light" role="button" href="#">

    <i class="icon fa fa-arrow-up fa-fw " title="Go to top" aria-label="Go to

    top"></i>

    </a>

• Alerts
  • 1 X Skipped heading level
    We need to have at least one block on the course page to see this
  • 1 X Suspicious link text. False-positive. Refer to MDL-70172 for more details.
    This is related to the "More..." item in the cog menu

    <a href="http://192.168.0.109/moodle39/course/admin.php?courseid=2" id="action_li

    nk5f63a00b163b926" class="" role="menuitem">

    <i class="icon fa fa-cog fa-fw " title="More..." aria-label="More..."></i>

    More...

    </a>

  • 2 X Very small text. Addressed by MDL-70173.
    These are related to the counters for unread messages and unread notifications.

    <div class="count-container hidden" data-region="count-container" aria-

    label="There are 0 unread notifications">

    0

    </div>

  • 21 X Redundant title text. Not an issue. See comments.
    All the reported items are similar. The course should have some activities with completion tracking turned on)

    <button class="btn btn-link" aria-live="assertive">

    <img class="icon " alt="Not completed: Assignment Activity. Select to mark as

    complete." title="Not completed: Assignment Activity. Select to mark as

    complete." src="/theme/image.php/boost/core/1600356695/i/completion-manual-n">

    </button>