Leaderboard (above menu bar). Advertise on www.tahch.org and reach on average 11,000 unique visitors a month! Ad will appear on all www.tahch.org and connect.tahch.org web pages. Additional analytics available upon request. Limit: Ad space limited to 3 rotating advertisements at a time. Ad Size: 900 w x 84 h pixels. Disclaimer: If the month(s) you are purchasing an ad for are at maximum capacity, TAHC&H will reach out to you to determine the next available month.