YouTube hashtags vs tags: which drives more channel views?

YouTube offers two separate metadata tools — hashtags and tags — and they do different jobs. Hashtags appear visibly on your video and connect it to a browsable topic feed, which can attract new viewers. Tags are hidden from viewers and help YouTube's algorithm confirm your content's subject matter. For most channels, hashtags currently drive more direct discovery.

Key takeaways

• Hashtags are clickable and public; tags are invisible to viewers and work behind the scenes with YouTube's classification system.

• YouTube displays up to three hashtags above a video title, giving them prime real estate for discovery.

• Tags still carry value for keyword disambiguation, particularly when your video title is short or the topic is easily confused with another subject.

• Neither tool replaces a strong title and thumbnail — those two elements remain the primary drivers of click-through.

• Using both correctly takes under five minutes per video and costs nothing; skipping either is an unnecessary missed opportunity.

What are YouTube hashtags and how do they work?

A hashtag on YouTube is a pound-sign keyword you add to a video's title or description. When a viewer clicks a hashtag, YouTube opens a dedicated feed showing all public videos tagged with that term. YouTube also displays the first three hashtags from the description directly above the video title, making them one of the first things a new viewer sees.

That visibility matters. A viewer who finds your video through a hashtag feed is actively browsing a topic, which signals genuine interest to the algorithm. YouTube limits you to fifteen hashtags per video; if you use more, it ignores all of them.

What are YouTube tags and how do they actually function?

Tags are keywords you add through YouTube Studio's video details panel. Viewers never see them. Their original purpose was to help YouTube understand ambiguous content: a video titled "Mercury" with no further context could be about the planet, the element, the car brand or the musician. Tags like "Mercury planet" or "Freddie Mercury biography" remove that ambiguity quickly.

Over time, YouTube's own guidance has stated that tags play a smaller role in discovery than titles, thumbnails and descriptions. They have not disappeared from the system, but their influence on which videos appear in search or recommendations has reduced as YouTube's understanding of natural language has improved.

Hashtags vs tags: a direct comparison

Feature	Hashtags	Tags
Visible to viewers?	Yes (above the title)	No
Primary function	Discovery via topic feeds	Algorithm disambiguation
Character or quantity limit	15 maximum	Around 500 characters total
Effect on search ranking	Moderate, through topic association	Low to moderate, declining
Risk of misuse	Over-stuffing triggers suppression	Irrelevant tags can confuse ranking
Effort per video	Low (2–5 terms is enough)	Low (6–10 focused terms)

How to get more views on YouTube with hashtags

Use hashtags that match the exact phrases your target viewer is already searching. Broad terms like #marketing attract millions of videos and offer minimal chance of standing out. Specific terms like #youtubestrategy2026 or #smallbusinessmarketing reach a smaller, more motivated audience.

A practical approach that works:

1. Identify two or three phrases your ideal viewer types into YouTube Search. Use YouTube's autocomplete to verify they are genuinely popular.

2. Add those phrases as hashtags in your description, not your title. Placing hashtags in the title looks cluttered and YouTube counts them against your limit regardless.

3. Put your most important hashtag first. YouTube pulls the first three hashtags for the above-title placement, so order matters.

4. Avoid hashtags that describe your channel rather than your content. #YourChannelName as a hashtag is visible to nobody who does not already know you exist.

5. Check the hashtag feed before committing. If the feed is full of low-quality, unrelated videos, that association can harm rather than help your content.

The underlying mechanism is simple: hashtags expand the surface area through which new viewers can stumble across your video. Every hashtag feed is an additional entry point that your title and thumbnail alone do not create.

Do keywords in your YouTube description still matter?

Yes, and they complement both hashtags and tags. YouTube's algorithm reads the full description to understand context. A description that naturally uses the phrases your audience searches reinforces the signals from your hashtags and tells YouTube's system exactly which search results or recommendation slots your video belongs in.

Keep the first two or three sentences of your description sharp and factual. YouTube shows this preview text in search results before the viewer clicks, so treat it as a secondary headline rather than an afterthought. As a digital marketing agency that works with small UK businesses across a range of sectors, Revolve consistently sees description copy treated as an obligation rather than an opportunity — a straightforward mistake to fix.

When do tags still earn their place?

Tags remain worth using in three situations. First, when your video title is short and could belong to multiple topics. Second, when you are targeting a search term that includes a common spelling variation or abbreviation. Third, when your channel is new and YouTube has limited history to draw on when categorising your content. In each case, tags give the algorithm a clearer signal without any visible cost to the viewer experience.

Frequently Asked Questions

Do hashtags directly improve YouTube search rankings? Not in the same way that a keyword-optimised title does. Hashtags improve discovery through topic feeds rather than through core search ranking. The indirect benefit is that more views from a hashtag feed can improve watch time and engagement signals, which do influence ranking.

How many hashtags should I use per YouTube video? Two to five is the practical sweet spot. YouTube allows fifteen, but using that many suggests keyword stuffing to the algorithm. Focus on relevance over volume.

Can I use the same hashtags on every video? You can, but it is rarely the best approach. Hashtags work best when they are specific to the content of each individual video. Blanket hashtags across a whole channel add noise rather than precision.

Is there an AEO agency approach to YouTube metadata? Answer engine optimisation principles apply directly: write metadata that answers a specific question a viewer is typing, not metadata that describes your channel in general terms. The more precisely your hashtags and description match a real search phrase, the more likely your video appears in both YouTube results and AI-generated answers that cite video content.

Should small businesses prioritise hashtags or tags when starting a YouTube channel? Start with hashtags. They are visible, they create additional discovery pathways, and YouTube's own guidance places greater weight on them than on tags for newer channels. Use tags as a supporting layer, not the primary tactic.

Written by the Revolve team — a full-service digital marketing agency based in Banbury, Oxfordshire, helping small and mid-sized UK businesses with SEO, AEO, paid advertising, social media and content marketing.

Last updated: 18 September 2026