| article_tags | List of tags or keywords associated with the article or post | blogs, news |
| Author | The posting account username or name of article author | academic papers, blogs, news, reddit, telegram, tv, twitter, youtube |
| domain | Domain name of the source of the mention | common |
| favorite_count | Number of social favorites | twitter |
| is_original | Set to true if this mention’s URL matches the declared canonical URL. See: Google Search Canonical Links | blogs, news |
| is_original_title | Set to true if the title of this mention is unique and the first mention encountered with this title | common |
| language | The detected language of the mention, formatted in ISO 639-1 | common |
| links | URL(s) contained within the mention tweet | bilibili, blogs, news, twitter |
| num_comments | Number of comments for a mention thread in Reddit | reddit |
| num_crossposts | Number of crossposts between subreddits for this mention | reddit |
| retweet_count | Number of retweets for this tweet | twitter |
| score | Overall Reddit score for this mention (ups - downs) | reddit |
| socialcount_last | Social count based on native engagement metric or Facebook engagement for blogs/news articles | blogs, instagram, news, reddit, telegram, twitter, youtube |
| subreddit | Subreddit name that mention was posted | reddit |
| subreddit_subscribers | Number of Reddit accounts subscribing to the subreddit | reddit |
| summary | Summary of article as provided by website if available | blogs, gov, news |
| tags_mentions.hashtags | Hashtags extracted from the social media post | instagram |
| tags_mentions.mentions | User mentions extracted from the social media post | instagram |
| twitter_list | Which twitter list IDs that caused the ingestion of this tweet | twitter |
| ups | Number of Reddit up votes | reddit |
| url | URL to the mention | common |
| user.followers | Number of followers for posting account | twitter |
| user.name | The real name shared as part of the source twitter account | twitter, youtube |
| user.screen_name | The account handle | twitter |
| user.url | Youtube link to channel | youtube |
| user.verified | Youtube has verified user | youtube |
| videoId | Youtube or Bilibili Video Id | bilibili, youtube |
| wSpacemeta.audience_visits | Audience visits as determined by SimilarWeb | blogs, news, reddit, twitter |
| wSpacemeta.global_rank | Ranking of website from SimilarWeb | news, reddit |
| wSpacemeta.newsguard.orientation | Newsguard rated political orientation, the site’s political slant, if any. Values: Far Left, Slightly Left, Slightly Right, Far Right, or N/A | blogs, news |
| wSpacemeta.newsguard.rating | Newsguard rating of source. T: Green or Trustworthy, N: Red or Not Trustworthy, P: Platform, S: Satire, TK: being worked on (to come) | blogs, news |
| wSpacemeta.newsguard.score | Newsguard score, a trust score for each site on a 0-100 scale based on the nine criteria. More information: NewsGuard Criteria | blogs, news |