Disable Comment:rating & Advertisment::incrementNumberOfViews. It generates too big load on DB server.
Disable paging in Comment:list
Show thumbnails in Plugin:Video.
Cache template & data in plugin video.
Cache Plugin::Video as a whole, do not access cache separate for data & template.
Cache Plugin::Ascents as a whole
Refactoring: Make Plugin:Competition regular plugin derived from Plugin_Base.
Cache Plugin:Competition.
Refactoring: Make new routes as a Plugin.
Cache Plugin:Comments & Plugin:Routes.
Refactoring: Make forum as Plugin.
Cache Plugin:Forum.
Cache menu template.
Cache Component Article_List.
Cache Plugin:News.
Refactoring: Common base class for cached plugins. Remove duplicit code, code reuse.
Refactoring. Create less templates while rendering plugins.
Rewrite competition & template plugins to have presentation layout in template.
Fix CSS. small texts in side blocks.
Fix coordinates when adding new line to the topo.
Try to center topo image.
Cache component Sector.
Invalidate cache when adding ascents, routes, sectors and crags.