There is no single algorithm on Instagram; Feed, Stories, Explore, and Reels each use separate ranking systems operating with their own signals, and Instagram explains how these systems work through its own channels. As of 2026, the Instagram algorithm rests on the same foundations: users’ past interactions, the attention a post receives, and the relationship with the account sharing it. The main changes over the last two years have been protecting original content and allowing users to adjust the topics of recommendations.
This article relies solely on explanations published on Instagram’s official blog, creators website, and help center, rather than “algorithm secrets” circulating online. Each section presents what Instagram says, followed by its practical meaning for a business account. No dates or claims of changes without identifiable sources are included.
Is there a single algorithm on Instagram?
No; Instagram explicitly states that there is no single algorithm determining who sees what in the application, and that each section uses a separate algorithm according to its purpose. According to Instagram’s ranking explanation , people look for close friends in Stories, discover new content and accounts in Explore, and seek entertainment in Reels. This difference in use explains why different signals stand out in each section.
This distinction matters for strategy. Feed and Stories are decisive for a business wanting to strengthen relationships with followers, while Explore and Reels matter for reaching people who do not yet follow it. Instead of seeking a single formula for an “algorithm-friendly post,” a better starting point is deciding in which section each piece of content is intended to appear.
Feed ranking: the signals Instagram identifies
Feed consists of recent posts from followed accounts, recommended posts that may interest the user, and advertisements; these are ranked using thousands of signals. Instagram highlights roughly the following four signal groups in order of importance for Feed:
- User activity: Posts the user has liked, shared, saved, or commented on.
- Information about the post: How much and how quickly the post receives likes, comments, shares, and saves; when it was shared and location information if present.
- Information about the posting account: How frequently people have interacted with this account in recent weeks.
- Interaction history: How much the user generally wants to see posts from this account, for example whether they comment on each other’s posts.
Instagram makes approximately a dozen predictions based on these signals. The five predictions it examines most closely in Feed are the likelihood of users spending a few seconds on a post, commenting, liking, sharing, and tapping the profile photo. Instagram also states that it tries not to show too many consecutive posts from the same account or too many recommended posts in a row.
Stories: closeness and viewing history
Stories ranking is based on how frequently a user watches an account’s stories, how much they interact with them, and how close they are to the account holder. Instagram calls these three signals viewing history, engagement history, and closeness. The predicted behaviors are the likelihood of tapping into a story, replying, or moving to the next one.
For a business, the meaning is clear: Stories primarily maintain relationships with existing followers rather than acquire new audiences. Question stickers, polls, and content that can be answered through direct messages naturally correspond to the interaction types Instagram identifies. A regularly watched stream of stories helps the account appear earlier in followers’ story trays.
Explore and Reels: reaching people who do not follow you
Most content shown in Explore and Reels comes from accounts the user does not yet follow; these two sections are therefore the main places where businesses reach new audiences. According to Instagram, signals indicating a post’s popularity carry much more weight in Explore than in Feed and Stories. For Reels, Instagram also learns from surveys asking users whether a video was worth their time.
| Section | Whose content is shown? | Predictions Instagram highlights |
|---|---|---|
| Feed | Followed accounts, recommended accounts, advertisements | Spending a few seconds, commenting, liking, sharing, tapping the profile photo |
| Stories | Followed accounts and advertisements | Tapping into a story, replying, moving to the next one |
| Explore | Mostly accounts not followed | Liking, saving, sharing |
| Reels | Mostly accounts not followed | Resharing, watching to the end, liking, visiting the audio page |
The prediction of visiting the audio page in Reels is, in Instagram’s words, an indication of whether the user was inspired to create their own Reel. Reels signals also include information about the video’s audio and visuals and popularity signals such as the posting account’s follower count or engagement level.
Page contents
Situations that reduce visibility in Reels
Instagram states that it aims to make certain Reels less visible even if they do not violate community guidelines, and explicitly lists these situations. The official explanation identifies the following:
- Low-resolution videos
- Videos carrying another platform’s watermark
- Muted videos
- Videos with borders added
- Videos consisting mostly of text
- Videos previously posted on Instagram
This list also explains why videos prepared in another application and uploaded to Instagram with its watermark do not achieve the expected reach. The practical rule for businesses is to retain the raw video and upload it to Instagram without a watermark and at good resolution.
Originality rules: what changed from 2024 to 2026?
The most notable ranking change Instagram made in the last two years was prioritizing original content in recommendations and excluding accounts collecting others’ content from recommendation surfaces. In April 2024, Instagram announced two rules on its creators blog: where multiple copies of the same content existed, only the original would appear in recommendations, and accounts regularly reuploading content belonging to others would not be eligible for recommendations. The same announcement described a new recommendation ranking giving small accounts a chance to reach audiences: eligible content is first shown to a small audience, and strong performers gradually reach broader audiences.
The announcement on rewarding original creatorspublished on April 30, 2026, extended the protections introduced for Reels in 2024 to photo and carousel posts. Under this change, accounts mostly sharing unoriginal content in photo or carousel posts are not shown in places where content is recommended. The update does not affect followers’ ability to see these accounts’ posts; accounts can become eligible again when most of their recent posts are considered original.
The scope of original content was also defined through examples with the 2026 Instagram algorithm update. According to the announcement, the following count as original:
- Photos and videos shot by the account itself
- Photo series, how-to guides, and visual stories designed by the account itself
- Content substantially edited to add new information, context, or perspective to someone else’s content; for example, original explanatory text, graphics providing new information, or remixes
Simply adding a border, watermark, subtitles, or source credit in the caption does not qualify. A brand’s own product photography, how-to videos prepared by its team, and original answers to customer questions fit this definition directly. To draw attention to another account’s content, Instagram recommends sharing it in a story or using repost and collaboration features; these tools credit the original creator.
“Your Algorithm”: users choose recommendation topics
In December 2025, Instagram announced “Your Algorithm,” a feature allowing users to see and adjust the topics shaping their Reels recommendations. According to the official announcement , the feature started in Reels, expanded to Explore in April 2026, and became available globally in English across Feed, Reels, and Explore in June 2026. When users indicate topics they want to see more or less of, recommendations update across these three sections together.
This feature was added to the controls Instagram already offered. Other tools listed in the ranking explanation include the Favorites list, the Following view showing posts chronologically only from followed accounts, the “Not interested” option for a recommended post, and temporarily snoozing suggested posts. Instagram states that when followers add an account to Favorites, that account’s new posts appear higher in Feed.
Recommendations therefore respond both to account behavior and to topics explicitly chosen by users. For a business, this means grouping content around a clear subject. Instead of sharing a recipe one day and technology news the next on the same account, consistently creating content on a few core topics tied to the business’s expertise makes it easier to match users choosing particular subjects.
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Hashtags, captions, and search
According to the Instagram help center, a post can contain a maximum of five hashtags; comments containing more than five tags cannot be published. The page on using hashtagsalso states that tags can be added to captions or comments and that posts from public accounts may appear on the relevant hashtag page. The habit of trying to increase reach through long hashtag blocks has become obsolete with this limit.
The role of search should also not be overlooked in the 2026 Instagram algorithm landscape. Instagram’s reach recommendations for creators suggest adding relevant keywords to content, captions, biographies, and hashtags to be found in search. When a hairdresser’s biography includes the neighborhood served and service types, or a restaurant’s post caption includes the dish name and cuisine, both followers and non-followers can find the account more easily through searches.
Recommendation guidelines and Account Status
For content to be recommended to non-followers, it must follow Instagram’s recommendation guidelines alongside its community guidelines. According to Instagram, content conflicting with recommendation guidelines may remain on the platform and be shown to followers, but the platform tries not to show it on recommendation surfaces such as Explore, Reels, and search. Violent imagery or content depicting the use of regulated products such as tobacco and electronic cigarettes are given as examples.
Whether an account is eligible for recommendations can be viewed in Account Status in the application settings. Instagram states that posts from accounts repeatedly violating the rules will be ineligible for recommendations for a period; problematic content can be deleted or the decision appealed through Account Status. Addressing the “shadowban” debate, Instagram also explicitly writes that it does not suppress content reach to encourage advertising purchases.
A strategy for business accounts based on official explanations
Bringing together the signals Instagram describes produces a working routine for business accounts based on official explanations rather than speculation. The implementation sequence can be established as follows:
- Check Account Status: Resolve any recommendation eligibility problem first.
- Review the archive for originality: Filter out content taken from other accounts, watermarked content, or previously shared content.
- Define the topic framework: Choose a few core topics related to the business’s expertise and prepare the content plan around them.
- Choose the target section for each piece of content: Plan Reels and carousel posts for new audiences and Stories for existing followers.
- Create content worth saving and sharing: Checklists, price explanations, frequently asked questions, and step-by-step guides suit the saving and sharing behaviors Instagram identifies.
- Arrange captions and the biography for search: Write the service name and area naturally and choose at most five relevant hashtags.
- Read the statistics: Separate accounts reached into followers and non-followers to track which content reaches new audiences.
If targeted audiences also need to be reached through advertising alongside organic reach, this work is planned together with Meta advertising management . How to divide the budget between Google and Meta is discussed in the Google Ads or Meta Ads comparison.
Common beliefs and Instagram’s explanations
The Instagram algorithm in 2026 continues to be associated with established beliefs, some directly contradicting Instagram’s own explanations. Knowing this difference when deciding prevents effort from being spent in the wrong place.
| Common belief | Instagram’s explanation |
|---|---|
| Instagram has one secret algorithm | Each section uses separate algorithms and classifiers according to its purpose |
| Accounts that do not advertise have their reach restricted | Instagram states that it does not suppress content to encourage advertising purchases |
| The more hashtags, the greater the reach | A post can contain a maximum of five hashtags |
| Reposting popular content produces rapid growth | Accounts dominated by unoriginal content are excluded from recommendation surfaces |
| Videos downloaded from another application achieve the same reach | Watermarked and previously shared videos are made less visible |
The common message of this comparison is that reach is earned through original content viewers actually care about rather than a single trick. It should also be remembered that Instagram changes its ranking systems over time; follow Instagram’s official blog and creators website for current information. Planning content together with the blog and website is part of content marketing work.
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Frequently asked questions
What does the Instagram algorithm use in 2026?
According to Instagram, Feed, Stories, Explore, and Reels use separate ranking systems; user activity, the attention a post receives, and interaction history with the posting account are the main signals. In 2026, original content protections were extended to photo and carousel posts.
Which behaviors matter in Reels?
Instagram states that the most important predictions in Reels are resharing the video, watching to the end, liking, and visiting the audio page. Low-resolution, watermarked, or previously shared videos are made less visible.
What is the maximum number of hashtags on Instagram?
According to the Instagram help center, a post can contain at most five hashtags. Comments containing more than five tags cannot be published.
Does sharing someone else’s content affect reach?
Yes; Instagram does not show accounts mostly sharing unoriginal content on recommendation surfaces and recommends only the original among copies of the same content. The account’s own followers continue to see those posts.
What is "Your Algorithm"?
It is an Instagram feature allowing users to see the topics shaping their recommendations and choose which they want to see more or less of. It started in Reels in December 2025 and became available globally in English across Feed, Reels, and Explore in June 2026.
How can you tell whether an account appears in recommendations?
The Account Status section in the application shows whether the account and its content are eligible to be recommended to non-followers. Problematic content can be deleted or the decision appealed there.
Does advertising increase organic reach?
Instagram explicitly states that it does not suppress content reach to encourage advertising purchases. Advertising is a separate channel used to reach targeted audiences independently of organic reach.
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