"Everything matters if you want to be great. If you want to be average, let it go."
—Lee Cockerell (former Executive Vice President of Operations for Walt Disney World Resorts)
This goes for performing. This goes for websites. This goes for using social media. This goes for photo shoots. This goes for your bio.
Warren Deck once said "The difference between good players and great players is not a few big things but a whole bunch of small things." I believe this to be true for every aspect of business as well.