Misc best-practice fixes

src/app/resources/views/template_bam.pug

@@ -1,4 +1,5 @@
 doctype html
+html(lang="en")
     head
         style.
             body {
@@ -92,13 +93,13 @@ body
                     li
                         a(href='/feed') Notes
                     li
-                    a(href='/links') Bookmarks <img class="inline-markmark-logo" src="#{asset('markmark-light.svg')}"/>
+                        a(href='/links') Bookmarks <img class="inline-markmark-logo" src="#{asset('markmark-light.svg')}" alt="MarkMark logo"/>
 
             block content
 
         footer
             .obsidian glm.
-        p &copy 2015-#{(new Date).getFullYear()} Garrett Mills — <a href="/technical">More Info</a>
+            p &copy 2015-#{(new Date).getFullYear()} Garrett Mills — <a href="/technical">Technical Info</a>
             if user()
                 p &nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;
                     a(href="/dash") Dashboard

src/app/resources/views/welcome.pug

@@ -2,7 +2,7 @@ extends template_bam
 
 block content
     section#about
-        img(style="height: 250px;" src=asset('img/01-self-portrait-bw.jpg'))
+        img(style="height: 250px;" src=asset('img/01-self-portrait-bw.webp') alt="Self-portrait photo of Garrett Mills")
         p.italic Hi, I'm Garrett.
         p I'm a computer scientist and software engineer. Professionally, I design and build flexible, scalable software systems. Personally, I study programming languages, libre software, visual design, and the small web.
         p Other things I like: self-hosting, RSS, photography, cooking, and really good fonts.