Reach and viral reach on social media: what they are and how to measure them

What reach is

Reach shows how many different people saw a piece of content. In VK Ads’ materials, it’s a metric of unique users who saw a post, update, or video. In advertising, the meaning is the same: Yandex defines audience reach as the number of people who saw an ad at least once over a given period of time.

The key word is «unique.» Reach doesn’t grow when the same person comes back to a post. That’s why reach can never exceed the number of impressions: every person counted in reach saw the content at least once.

This is the «reach» you’ll see labeled in English-language ad accounts and reports too. Reach shows up in community and individual-post statistics, as well as in ad campaign reports.

Reach in advertising and in social media management

In advertising, reach is one of a campaign’s metrics. Some campaigns have it as their main goal: reach campaigns exist to tell as many target users as possible about a brand or product. In the VK Ads account, reach is calculated as the number of unique users who saw the ads from the campaign’s start to the end of the chosen period. There’s a separate article on how social media advertising selects an audience.

In SMM — working with an audience on social media — reach answers the question of how many people saw a post or a community over a period. It’s the starting point for every other metric: reactions, click-throughs, inquiries. For more on what business tasks social media management solves, see a separate piece.

What kinds of reach VK’s statistics show

Community statistics is a section with audience and post data that administrators can see. Reach information is available only to them: the «Statistics» section, «Reach» tab. Reach for individual posts is in the «Content» section of the same statistics. Section names in the interface change, so go by the meaning of the metrics rather than their exact labels.

VK Ads distinguishes four kinds of reach:

Kind of reach	Who it counts	Where it comes from
Subscriber reach	Community subscribers who saw the content	Without advertising: the post is seen by people already subscribed
Viral reach	People who saw the post without being subscribed to the community	A repost on a friend’s page, the «Recommendations» feed
Ad reach	Everyone who saw the post thanks to paid promotion	Advertising
Total reach	The total number of people: the sum of the three kinds above	All sources combined

Subscriber reach

These are community subscribers who saw the content. VK Ads calls it organic reach, which doesn’t need advertising. This metric shows how posts reach the audience you’ve already built.

Viral reach

These are people who saw the post without being subscribers. The next section covers it in detail.

Ad reach

This includes everyone who saw the post thanks to paid promotion. It’s paid reach: its size depends on the budget and the campaign settings. So it’s not a good idea to compare it directly with reach that comes without advertising. There’s a separate breakdown on how paid promotion on VK is set up.

Total reach and organic reach

VK Ads describes total reach as the sum of the three kinds of reach — in other words, the total number of people who saw the content.

The word «organic» has two meanings. In VK Ads’ materials, organic reach is subscriber reach. In the broader sense, the term covers all reach without advertising: subscriber reach and viral reach together. If «organic reach» shows up in a contractor’s or a tool’s report, check exactly what it includes.

Viral reach: what it is in plain terms

Viral reach is the number of people who saw a post (for example, in recommendations) without being subscribed to the community. The word «viral» comes from the English viral, meaning spreading from person to person. «Virtual reach» is a common typo — it’s viral reach that’s meant.

How does a post reach people who aren’t subscribed? According to VK Ads’ materials, someone might see a repost on a friend’s page or a post in the «Recommendations» feed. VK states that its algorithms depend heavily on audience reaction: content that engages users is what gets viral reach. Engagement signals include likes, comments, reposts, and other interactions.

Viral reach isn’t fixed. VK calls it dynamic: it can change depending on various factors.

Viral views and «viral subscribers»

These terms don’t appear in the VK and VK Ads materials we checked. They’re informal names, and they usually mean the following:

• viral views — views of a post by people who aren’t subscribed to the community;
• viral subscribers — people who subscribed after seeing a post through a repost or recommendations;
• viral traffic — visits to the site or the community that came from that kind of spread.

If these terms show up in a report, ask to see which statistics metric they were pulled from.

What a high or low viral reach means

High viral reach shows that a post spread beyond its subscribers. By itself, it doesn’t mean sales, inquiries, or the right audience: the post may have been seen by people who have no need for your product.

Low viral reach isn’t a verdict either. A post might have had a different job, such as reminding subscribers about a promotion. Evaluate viral reach together with what happened next: click-throughs, subscriptions, inquiries.

Reach, impressions, and views: what’s the difference

These metrics are often confused, even though they answer different questions. Reach counts people; impressions and views count events.

Metric	What it counts	What question it answers
Reach	Unique people who saw a post or an ad	How many different people saw the content
Impressions	How many times an ad was shown, including repeat impressions to the same people	How many times the content was shown
Views	Views including repeats	How many times the content was watched
Frequency	The ratio of impressions to reach	How many times, on average, one person saw the ad

Yandex explains the difference like this: reach helps you estimate how many people could have seen an offer, while impressions show how many times it was shown. The relationship between them is simple: reach equals impressions divided by frequency.

That answers the question of what reach is measured in: people, not a count of impressions or views. It’s best to check a platform’s own help for exactly how it counts a post as viewed: the rules differ between platforms.

How to calculate and compare reach

The platform calculates reach itself. You can’t work it out by hand: that requires knowing which of the people who saw a post are the same person. Your job is to read and compare the numbers correctly.

What you can calculate yourself are common analysis techniques, not a platform standard:

• Share of reach from subscribers — a post’s subscriber reach divided by the community’s subscriber count and multiplied by one hundred to get a percentage. Shows what portion of subscribers saw the post.
• Share of viral reach — a post’s viral reach divided by its total reach and multiplied by one hundred. Shows what portion of the post’s audience came from people without a subscription.
• Average reach per post over a period = sum of posts’ reach ÷ number of posts. Useful for comparing months against each other.

For the comparison to be fair:

• compare your own community’s posts against each other, not against other communities;
• use comparable periods: week against week, month against month;
• calculate the same way every time: if you’re using a share of subscribers, fix the subscriber count to the same date;
• look at reach without advertising separately from ad reach: ad reach depends on the budget and campaign settings;
• compare posts of a similar format: it’s better to evaluate long text, photo roundups, and video separately.

Dividing the number of reactions by reach gives you an engagement metric instead. That’s a separate metric with its own formulas.

Why reach can drop, and what to check

VK states outright that there’s no universal formula for getting into recommendations. The feed is personalized: algorithms run it, and they change along with the audience’s growth and shifting tastes. So before looking for the cause in the algorithms, check what’s within your control.

1. Consistency. Has the frequency or rhythm of posting changed? It helps to plan a month’s posts in advance.
2. Format and topic. Compare low-reach posts with ones that gathered more: topic, format, length, presentation.
3. Posting time. Has the time posts go out shifted.
4. Presentation and originality. Among the factors that hurt viral reach, VK names low-resolution images and video, too much text on images, video uploaded indirectly rather than natively, clickbait, and plagiarism.
5. Advertising in the comparison. Check whether you’re comparing a period with promoted posts against one without. If posts were promoted earlier, total reach was higher because of the ad reach.
6. The comparison period. Whether the periods are comparable: holidays, season, a different number of posts.
7. Changes in the statistics. Whether the metrics themselves or their names in the interface have changed.

A separate note on manipulated metrics. VK’s community rules define it as artificially inflating activity metrics using bots, compromised accounts, malware, or social media exchanges (services that trade likes, views, and followers). The same rules state that this can get a community banned permanently. Even without a ban, inflated subscribers and activity never become a real audience: they’re numbers, not people interested in your product.

Frequently asked questions

How does reach differ from the number of subscribers?

Subscribers are everyone subscribed to the community. Reach is how many people saw the content over a period, and that includes people who aren’t subscribed. So reach can be either smaller or larger than the subscriber count.

Can you see another community’s reach?

According to VK Ads’ materials, reach information is available only to a community’s administrators. If you need the reach of posts on a platform where you want to place advertising, ask the administrator for an export or a screenshot of the statistics.

Is ad reach included in total reach?

Yes. VK Ads describes total reach as the sum of subscriber reach, viral reach, and ad reach. So if a period included promoted posts, look not only at the total reach, but also at what it’s made up of.

Why is a post’s reach smaller than the number of subscribers?

Reach counts people who saw the post, not everyone who’s subscribed. VK’s feed is personalized by algorithms, so not every subscriber will see every post. Some subscribers might not open the app at all on a given day.

What counts as a good reach?

There’s no single benchmark in the VK and VK Ads materials we checked. VK notes that subscriber reach depends heavily on the audience’s size and activity level. So compare reach against your own community’s history and against similar posts, not against someone else’s «benchmarks.»