1. Reach: The number of viewers a hashtag can reach.
2. Relevance: How closely related a hashtag is to the topic being discussed.
3. Engagement: The amount of interaction a hashtag can generate.
4. Uniqueness: How distinct a hashtag is compared to other similar hashtags.
5. Popularity: The number of times a hashtag has been used.
6. Trendiness: How often a hashtag is used over time.
7. Context: How a hashtag is used in reference to a specific topic or event.
8. Timeliness: How timely a hashtag is in relation to current trends.
9. Usability: How easy it is for users to understand a hashtag and use it correctly.
10. Brand Associations: The extent to which a hashtag is associated with a brand.
11. Visibility: The level of exposure a hashtag can generate.
12. Searchability: How easy it is for users to find a hashtag.
13. Conversational Value: The degree to which a hashtag can spark conversation.
14. Versatility: How flexible a hashtag is in terms of being used in different contexts.
15. Clarity: How clearly a hashtag communicates its meaning.
16. Compatibility: How well a hashtag fits into the existing landscape of other hashtags.
17. Consistency: The degree to which a hashtag is used consistently over time.
18. Creativity: The level of ingenuity used when creating a hashtag.
19. Aesthetics: How visually appealing a hashtag is.
20. Targeting: The extent to which a hashtag can be used to target a specific audience.