Add total download time per domain (#3648)

lib/plugins/html/templates/url/pagexray/index.pug

@@ -10,7 +10,7 @@ small
     |  | 
     a(href='#requests-and-sizes-per-content-type') Requests and sizes per content type 
     |  | 
-    a(href='#sizes-per-domain') Size and requests per domain 
+    a(href='#data-per-domain') Data per domain
     |  | 
     a(href='#expires-and-last-modified-stats') Expires and last modified statistics 
     |  | 

lib/plugins/html/templates/url/pagexray/perDomain.pug

@@ -1,12 +1,12 @@
-a#sizes-per-domain
-h3 Size and requests per domain
+a#data-per-domain
+h3 Data per domain
 .responsive
   table(data-sortable, id='contentSizePerDomain')
-    +rowHeading(['Domain', 'Header Size', 'Transfer Size', 'Content Size', 'Requests'])
+    +rowHeading(['Domain', 'Total download time', 'Transfer Size', 'Content Size', 'Requests'])
     each data, domain in pagexray.domains
       tr
         td(data-title='Domain') #{domain}
-        +sizeCell('headerSize', data.headerSize)
+        +timeCell('totalTime', data.totalTime)
         +sizeCell('transferSize', data.transferSize)
         +sizeCell('contentSize', data.contentSize)
         +numberCell('requests', data.requests)