From the comments above it looks like you have dos line endings, and so the hashbang line is not properly processed. Line ending style are not shown with :set list in Vim because that option is only used when reading/writing the file. In memory line endings are always that, line-endings. The line ending style used … Read more
It is new from AngularJS 1.6, which added a new hash prefix. Due to aa077e8, the default hash-prefix used for $location hash-bang URLs has changed from the empty string (”) to the bang (‘!’). If your application does not use HTML5 mode or is being run on browsers that do not support HTML5 mode, and … Read more
Is pushState bad if you need search engines to read your content? No, the talk about pushState is geared around accomplishing the same general process to hashbangs, but with better-looking URLs. Think about what really happens when you use hashbangs… You say: With hashbangs, Google knows to go to the escaped_fragment URL to get their … Read more
This technique is now deprecated. This used to tell Google how to index the page. https://developers.google.com/webmasters/ajax-crawling/ This technique has mostly been supplanted by the ability to use the JavaScript History API that was introduced alongside HTML5. For a URL like www.example.com/ajax.html#!key=value, Google will check the URL www.example.com/ajax.html?_escaped_fragment_=key=value to fetch a non-AJAX version of the contents.