Excellent site-development info-graphic, from Patrick Lynch and Sarah Horton’s venerable (3rd edition) “Web Style Guide” site (and book):
Note “Content strategy and inventory” bubble (at 11 o’clock) among main tasks at get-go. My only quibble: should be “content AUDIT; no need for a complete “inventory” at that initial stage – only a thorough “get-to-know-ya” content sampling to guide subsequent information architecture (see my previous Content Strategy post).