Tweak html header

webapp_utils.py

@@ -515,10 +515,10 @@ def getLeftImageFile(baseDir: str,
 
 
 def getRightImageFile(baseDir: str,
-                      nickname: str, domain: str, theme: str) -> (str, str):
-    return _getImageFile(baseDir, 'right_col_image',
-                         baseDir + '/accounts/' + nickname + '@' + domain,
-                         nickname, domain, theme)
+                      nickname: str, domain: str) -> (str, str):
+    return getImageFile(baseDir, 'right_col_image',
+                        baseDir + '/accounts/' + nickname + '@' + domain,
+                        nickname, domain)
 
 
 def htmlHeaderWithExternalStyle(cssFilename: str, lang='en') -> str:
@@ -526,6 +526,11 @@ def htmlHeaderWithExternalStyle(cssFilename: str, lang='en') -> str:
     htmlStr += '<html lang="' + lang + '">\n'
     htmlStr += '  <head>\n'
     htmlStr += '    <meta charset="utf-8">\n'
+    htmlStr += '    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">\n'
+    fontName, fontFormat = getFontFromCss(css)
+    if fontName:
+        htmlStr += '    <link rel="preload" as="font" type="' + \
+            fontFormat + '" href="' + fontName + '" crossorigin>\n'
     cssFile = '/' + cssFilename.split('/')[-1]
     htmlStr += '    <link rel="stylesheet" href="' + cssFile + '">\n'
     htmlStr += '    <link rel="manifest" href="/manifest.json">\n'