The Big Question
Every YouTube guide tells you to use hashtags, but do they actually make a difference? The answer is nuanced — and depends entirely on how you use them.
What YouTube Says
YouTube officially states that hashtags help viewers find content and help the algorithm categorize videos. When you add hashtags to your description, the first 3 appear as clickable blue links above your video title.
The Evidence FOR Hashtags
Discoverability When someone clicks a hashtag, they see all videos using that tag. This creates a browsing path that doesn't exist without hashtags — essentially free traffic from people exploring topics.
Algorithm Signals Hashtags provide the algorithm with additional context about your video's topic. While not a primary ranking factor, they help YouTube understand and categorize your content more accurately.
Title Visibility The 3 hashtags shown above your title act as blue clickable labels. This adds visual interest and can increase click-through rate from browse features.
The Evidence AGAINST Hashtags
Not a Major Ranking Factor YouTube has never listed hashtags as a significant ranking signal. Watch time, click-through rate, and engagement metrics matter far more.
Can Hurt If Misused Using more than 60 hashtags will cause YouTube to ignore ALL of them. Using irrelevant hashtags can flag your video for spam.
Marginal Impact For most creators, the difference between using and not using hashtags is small. Great content without hashtags will always outperform poor content with perfect hashtags.
The Verdict: Yes, But Strategically
Hashtags help, but they're a supplement — not a strategy. Think of them as the last 5% of optimization after you've nailed your title, description, thumbnail, and content quality.
How to Use Hashtags Correctly
The Rules - **Use 3-15 hashtags** per video (sweet spot: 8-10) - **Put strongest 3 first** — they show above your title - **Mix traffic levels** — high, medium, and low competition - **Use CamelCase** — #HowToCook not #howtocook - **Stay relevant** — only use hashtags that match your content
Where to Place Them - **In the description** — at the very end (recommended) - **In the title** — 1-2 at the end (optional) - **Never in both** with the same hashtag
What to Avoid - **Banned or flagged hashtags** — test by searching YouTube for the hashtag first - **Irrelevant trending hashtags** — hurts your video's categorization - **Hashtag walls** — 30+ hashtags looks spammy to viewers and algorithm
Bottom Line
Use hashtags as part of a complete SEO strategy. They're free, take 30 seconds, and can provide marginal improvements to discoverability. There's no reason NOT to use them — just use them correctly.
Advertisement
FreeViralKit generates the perfect hashtags for any topic — ranked by traffic potential with the strongest 3 automatically placed first.