You receive an intellgence alert notifying you that there has been an unexpected spike in your traffic. Which of the following could be possible reasons for this spike?
- The tracking code has been altered and is reporting incorrectly
- There is a new referral source that is directing a lot of new traffic to the site
- There is unidentified referral traffic that is likely bot traffic
- New pages or subdomains have been recently indexed in organic search
- All of the above