Tags, hashtags, keywords, descriptions — YouTube gives creators several text fields and almost no explanation of what each one does. Two of them get confused constantly, and the confusion costs views.
They are different fields with different jobs
| Tags | Hashtags | |
|---|---|---|
| Where they go | YouTube Studio, in the Tags field | In the description or title, with # |
| Visible to viewers | No | Yes — clickable links |
| Main purpose | Help YouTube understand and classify the video | Group videos into a browsable topic |
| Limit | 500 characters total | 60 allowed; only the first 3 display above the title |
| Effect on ranking | Small but real, mainly for spelling variants | Mainly discovery through the hashtag page |
What tags are actually for
YouTube has said publicly that tags play a "minimal role" in discovery. That is true and often misread as "tags do nothing".
What tags genuinely help with is misspelling and variation. If your video is about "Krutidev to Unicode", people search for "kruti dev to unicode", "krutidev unicode converter", "hindi font converter". Tags let you cover those variants without stuffing them into a title that then reads badly for humans.
They also help YouTube place your video in suggested videos beside similar content, which for most channels delivers more views than search does.
How to write them
- First tag: your exact main keyword. The one you would want to rank for.
- Next few: close variants and misspellings. Singular and plural, spaced and unspaced, common typos.
- Then broader topic tags. "hindi typing", "computer tips".
- Then your channel name, so your own videos suggest each other.
- 15–25 tags is plenty. The limit is 500 characters, not 500 tags, and stuffing dilutes the signal.
The YouTube tag generator builds this set from your title, including the variants people typically forget.
What not to do
Do not use tags for unrelated trending terms. Tagging a cooking video with a cricketer's name is a policy violation, and YouTube's classifiers are considerably better at detecting it than they were.
What hashtags are actually for
Hashtags are visible and clickable. Adding #HindiTyping to a description creates a link to a page of every video using it. Two useful consequences:
- The first three hashtags in your description appear above your video title, so viewers see them before they click.
- They create a browsable route into your video for people exploring a topic rather than searching for it.
How to use them
- Three to five is the sweet spot. More than 15 causes YouTube to ignore all of them.
- Put the important ones first, because only the first three display.
- Mix specific and broad —
#KrutidevToUnicodealongside#HindiTyping. - Check the hashtag page before you commit. A hashtag with two million videos will bury you; one with a few thousand may actually send traffic.
What actually decides whether your video is watched
Tags and hashtags are worth twenty minutes of attention, not two hours. The things that move the needle, in order:
- Thumbnail and title together. They decide your click-through rate, and click-through rate decides whether YouTube shows the video to more people. This is the highest-leverage thing you control.
- Watch time and retention. Whether viewers stay. Nothing in your metadata can rescue a video people leave after twenty seconds.
- The first 30 seconds. Where most of that retention is won or lost.
- Description and captions. Real, readable text that tells YouTube what the video contains.
- Tags and hashtags. Useful at the margin — variants, suggested placement, topic pages.
A workable routine per upload
- Title: your main keyword, written so a human wants to click it
- Description: two or three real sentences up front, then links and timestamps
- Hashtags: three or four, most important first
- Tags: 15–25, exact keyword first, then variants and misspellings
- Thumbnail: readable at phone size, ideally with a face or a large legible word
That is ten minutes of work per video, and it is the point at which further metadata effort stops paying. After that, the returns are all in the content and the thumbnail.