When comparing Can I use... vs Lynda, the Slant community recommends Lynda for most people. In the question“What are the best resources to learn CSS?” Lynda is ranked 8th while Can I use... is ranked 12th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Supplies usage data for all countries
Pro Provides good list of resources
When serching for a feature you typically find a nice list of really valuable resources, such as spec on w3c website, and blog posts desribing usage in details.
Pro Quality and quantity
Pro Video tutorials with commentaries
Pro Extensive
There are a lot of different languages to choose from thanks to their large offering of courses (almost 4000 total that cover various subjects).
Pro Build as you learn
Many courses offered on Lynda take a hands-on approach, encouraging you to apply what you learn by building projects.
Pro It's possible to get transcripts of videos
Pro Videos can be watched at 2x speed
If you feel yourself getting bored with the lecture, it's possible to speed it up to get through it quicker.
Cons
Con Not that good for learning
It's a super cool catalogue for people who know what they are doing, just to check if their tricks apply to certain use case or project. It doesn't serve as a good starting point nor roadmap for css newbies.
Con Lacks a community
With no user forum, there is very little opportunity to engage with other students and discuss the learning material.
Con iOS and Android apps are somewhat poor
Compared to the experience available on the web, the mobile apps are severely lagging behind.
Con More ways to help retain the information would be helpful
More quizzes, tests and assignments to help practice and retain the presented information would be helpful.