# Instagram Post organic metrics & dimensions

It’s important to note that Facebook uses an “estimated metric”.

An estimated metric is derived through statistical sampling or modelling, rather than a straight count. Which means that there will be differences between the data in Adloop and the source when fetching the data for more than a day.

| **Metric name in Adloop**                 | **Metric name in Source** | **Definition**                                                                                                                                                                                                                                                                                                                                                                  |   |
| ----------------------------------------- | ------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | - |
| Impressions \[Post] Impressions           | Impressions               | Total number of impressions of the media object                                                                                                                                                                                                                                                                                                                                 |   |
| Reach \[Post] Reach                       | Reach                     | The number of [people](https://www.facebook.com/business/help/283579896000936) who saw your post at least once. Reach is different from [impressions](https://business.facebook.com/business/help/675615482516035), which may include multiple views of your post by the same people. This metric is [estimated](https://business.facebook.com/business/help/metrics-labeling). |   |
| Total reactions \[Post] Total reactions   | Likes and reactions       | The number of likes on your post.                                                                                                                                                                                                                                                                                                                                               |   |
| Comments \[Post] Comments                 | Comments                  | The number of comments on your post.                                                                                                                                                                                                                                                                                                                                            |   |
| Saved Post] Saved                         | Unique saves              | Total number of unique accounts that have saved the media object                                                                                                                                                                                                                                                                                                                |   |
| Videos completed \[Post] Videos completed | Video views               | Total number of times the video has been seen. Returns 0 for videos in carousel albums                                                                                                                                                                                                                                                                                          |   |
| Engagement \[Post] Engagement             | Engagement                | Total number of likes and comments on the media object                                                                                                                                                                                                                                                                                                                          |   |
| \[Post] Replies                           | Story Replies             | Total number of replies to the story                                                                                                                                                                                                                                                                                                                                            |   |
| \[Post] Taps forward                      | Story Taps forward        | Total number of taps to see this story's next photo or video                                                                                                                                                                                                                                                                                                                    |   |
| \[Post] Taps back                         | Story Taps back           | Total number of taps to see this story's previous photo or video                                                                                                                                                                                                                                                                                                                |   |

| **Dimension name in Adloop**    | **Dimension name in Source** | **Definition**                                                        |   |
| ------------------------------- | ---------------------------- | --------------------------------------------------------------------- | - |
| Description \[Post] Description | Caption                      | Caption of the post                                                   |   |
| Format \[Post] Format           | Type                         | Type of the media object.                                             |   |
| Placement \[Post] Placement     | Media product type           | Surface where the media is published. Can be AD, FEED, IGTV, or STORY |   |
| \[Post] ID                      | id                           | Graph ID of the media object                                          |   |
| \[Post] Instagram ID            | Instagram id                 | Profile's Instagram ID                                                |   |
| \[Post] Permalink               | Permalink                    | URL of the post on Instagram                                          |   |
| \[Post] Account name            | Username                     | Profile's username                                                    |   |
| \[Post] Date created            | Timestamp                    | Date and time media was added                                         |   |


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