The document discusses various techniques for speeding up web application responses, including template caching, caching of partial templates, action caching, browser caching utilizing conditional GET requests, optimizing database queries with caching, and using content delivery networks. Some specific techniques covered are caching templates and database queries in Redis, using cache keys tied to
![Speed up Rails Responses](https://cdn-ak-scissors.b.st-hatena.com/image/square/1a14de71b70095bc5369766d28e254d5f0f24601/height=288;version=1;width=512/https%3A%2F%2Fcdn.slidesharecdn.com%2Fss_thumbnails%2Fspeeduprails-130529174239-phpapp02-thumbnail.jpg%3Fwidth%3D640%26height%3D640%26fit%3Dbounds)
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