Essais de cache pour accélérer encore la page principale

app/admin/region.rb

@@ -1,3 +1,7 @@
 ActiveAdmin.register Region do
   permit_params :name
+
+  after_update do
+    expire_fragment 'regions'
+  end
 end

app/assets/stylesheets/region.css.sass

@@ -11,7 +11,7 @@
     display: none
     position: absolute
     list-style: none
-    margin-top: -1.3em
+    margin-top: -7em
     background-color: white
     @include box-shadow(1px 1px 4px gray)
     @include border-bottom-left-radius(0.4em)

app/views/events/index.html.haml

@@ -1,9 +1,8 @@
 -# Seems necessary, for the time being, to ensure calendar is changing days correctly
 - Time.zone = 'Paris'
 
-= render '/regions/selector'
-
-- cache do
+- cache 'regions' do
+  = render '/regions/selector'
   = render '/lugs/search'
 
 - if params[:year]
@@ -47,22 +46,21 @@
             %strong.city= event.city.gsub '-', ' '
             = event.title
 
-- cache do
-  .formats
-    %em.fa.fa-rss
-    =raw t '.calendar_in',
-      rss: link_to('RSS', events_url(:rss,
-        tag: params[:tag], region: params[:region])),
-      webcal: link_to('webcal', events_url(:rss,
-        tag: params[:tag], protocol: 'webcal', format: :ics, tag: params[:tag], region: params[:region])),
-      ical: link_to('iCal', events_url(:rss,
-        tag: params[:tag], format: :ics, tag: params[:tag], region: params[:region]))
+.formats
+  %em.fa.fa-rss
+  =raw t '.calendar_in',
+    rss: link_to('RSS', events_url(:rss,
+      tag: params[:tag], region: params[:region])),
+    webcal: link_to('webcal', events_url(:rss,
+      tag: params[:tag], protocol: 'webcal', format: :ics, tag: params[:tag], region: params[:region])),
+    ical: link_to('iCal', events_url(:rss,
+      tag: params[:tag], format: :ics, tag: params[:tag], region: params[:region]))
 
-  %a#banner(href='http://april.org/campagne')
-    -#%img(src='http://www.april.org/campagne/images/priorite-logiciel-libre-je-soutiens-april.png'
-      width='580' height='76' alt='Priorité au Logiciel Libre! Je soutiens l\'April.')
-    = image_tag 'priorite-logiciel-libre-je-soutiens-april_2_m.png',
-      width: '374', height: '48',
-      alt: 'Priorité au Logiciel Libre! Je soutiens l\'April.'
+%a#banner(href='http://april.org/campagne')
+  -#%img(src='http://www.april.org/campagne/images/priorite-logiciel-libre-je-soutiens-april.png'
+    width='580' height='76' alt='Priorité au Logiciel Libre! Je soutiens l\'April.')
+  = image_tag 'priorite-logiciel-libre-je-soutiens-april_2_m.png',
+    width: '374', height: '48',
+    alt: 'Priorité au Logiciel Libre! Je soutiens l\'April.'
 
 - set_events_meta