SearchCap: Google mobile friendly warning, Bing HackerRank & more

Below is what happened in search today, as reported on Search Engine Land and from other places across the web.

From Search Engine Land:

Microsoft partners with HackerRank to deliver executable code in Bing search
Apr 7, 2016 by Amy Gesenhues
Bing’s group engineering manager for UX features and shared tools calls the new feature a Rosetta-stone model for programming languages.
Google My Business iOS app now lets business owners manage holiday & special hours
Apr 7, 2016 by Barry Schwartz
Google has updated the iOS version of their Google My Business app to let you set holiday hours, but the app seems to have frozen for me.
Searchmetrics now shows where your app appears in App Packs
Apr 7, 2016 by Barry Levine
Also new: rankings for app ads, unique keywords on a page, and the release of the Visibility Guard to protect against errors affecting ranking
Keyword research: a key element of SEO & content marketing
Apr 7, 2016 by Trond Lyngbø
Many business owners see SEO and content marketing as separate, but columnist Trond Lyngbø argues that solid keyword research can and should be used to inform content marketing strategy.
What they don’t tell you about SEO
Apr 7, 2016 by Matthew Barby
Even today, many business owners still believe that SEO is easy: just create some high-quality, optimized content, then sit back and wait for all the traffic. But there’s more to it than than, and columnist Matthew Barby explains what you should REALLY expect from an SEO campaign.
Google Search Console now sending PageSpeed update notifications
Apr 7, 2016 by Barry Schwartz
If you are running an outdated PageSpeed install from Google, Google will let you know via the Google Search Console notification center.
Google warns site owners their site is not mobile-friendly in mobile search results
Apr 7, 2016 by Barry Schwartz
A month before the Google mobile-friendly algorithm boost, Google starts issuing new warnings to site owners.
Pandit Ravi Shankar Google doodle honors the famous Indian musician & his sitar
Apr 7, 2016 by Amy Gesenhues
A huge influence on the Beatles’ George Harrison, Shankar is credited with introducing Indian music to the world.