Fixed and inflexible
The increasing number of websites that are putting a position:fixed; sticky banner to the top of the page to promote the app version of the same content is growing. Aside from being plain frustrating there are other issues associated with this design pattern
Most recently, I’ve noticed a sharp uptick in the number of requests I receive to explore fixed-position (aka “sticky”) interface elements. Fixed elements are positioned relative to the viewport instead of the page, allowing them to maintain position even as the document scrolls. Some of the most popular sites on the webemploy “sticky” menus, and with good reason… when applied thoughtfully, they can yield substantial usability improvements.
An excerpt from Fixed and inflexible