Today you can read about situations when you need to remove your efforts from sidewide CRO, take a look at Sentiment Analysis. Also we found convincing article which will make you take document job more serious.
http://online-behavior.com/analytics/machine-learning Here you can read about two approaches on how to implement Sentiment Analysis on a web page with simple examples.
https://blog.kissmetrics.com/poor-sitewide-conversion-rates/ Read when it’s better to concentrate on page-specific conversion funnel instead of sidewide conversion rate.
http://online-behavior.com/analytics/documentation The author of this article insists on paying more attentions and putting more efforts in the least interesting part of your job: documentation and QA. If you want to know why сlick the link.