Hashtags vs Keywords for Social Media Growth 2025: What Works Better

Discover whether hashtags or keywords drive more social media growth in 2025. Learn platform-specific strategies for Instagram, TikTok, LinkedIn & YouTube to boost your reach.

In partnership with

Welcome to today's edition of Social Media Growth Guide!

Remember when throwing 30 hashtags on every post was the golden rule? Those days are gone.

The social media landscape has fundamentally shifted, and if you're still following 2020's playbook, you're leaving serious growth on the table.

Today, I'm breaking down the great debate: Hashtags vs. Keywords – and more importantly, showing you exactly what to do on each platform.

The Big Shift Nobody's Talking About

Here's what changed: Social platforms are now search engines first, social networks second.

People aren't just scrolling feeds anymore. They're actively searching for content. Instagram has a full search bar. TikTok's search traffic rivals Google for Gen Z. LinkedIn is prioritizing searchable content.

This means the rules have changed completely.

You don’t need thousands of ads, just better ones.

Most AI tools promise you thousands of ads at the click of a button. But do you really need more ads—or just better ones?

Kojo helps you cut through the noise. We analyze your paid social data to uncover the ideas with the highest chance of success. Then, our AI predicts which concepts will perform best, so you don’t waste budget testing what won’t work.

Instead of drowning in endless variations, Kojo sends your best idea straight to a real human creator who makes it engaging, authentic, and ready to win on social. The entire process takes less than 20 seconds, giving you certainty before you spend and better performance without the waste.

Why gamble on guesswork or settle for AI spam when you can launch ads proven to work, made by people, and backed by data?

Platform-by-Platform Breakdown

Instagram: The Hybrid Approach Wins

What's working in 2025:

  • 3-5 targeted hashtags maximum (Instagram confirmed they no longer recommend 30)

  • Keywords in your caption (first 125 characters are crucial)

  • Alt text optimization with natural keyword phrases

  • Keywords in your name/bio for profile searchability

Action step: Stop hashtagging every synonym. Instead, write naturally with your target keywords in the first sentence, then add 3-5 niche-specific hashtags at the end or in the first comment.

Example: Instead of #fitness #fitnessjourney #fitnessmotivation #fitnessgoals... Use: "Quick morning stretches for desk workers who struggle with lower back pain" + hashtags: #deskworkout #backpainrelief #officefitness

TikTok: Keywords Dominate

What's working in 2025:

  • Keywords in captions are essential for FYP algorithm

  • Spoken keywords in your video (TikTok transcribes audio!)

  • On-screen text with target phrases

  • Hashtags are secondary (use 3-4 maximum)

Action step: Say your target keywords out loud in the first 3 seconds of your video. The algorithm is listening and will push your content to relevant searches.

LinkedIn: Professional Keywords Only

What's working in 2025:

  • Industry-specific keywords throughout your post

  • Hashtags are nearly irrelevant (3 maximum, if any)

  • Keywords in headlines for article-style posts

  • Company/skill tags for searchability

Action step: Write for LinkedIn search. Think "What would my ideal client/connection search for?" and naturally incorporate those exact phrases.

YouTube: SEO Is Everything

What's working in 2025:

  • Title keywords (first 5 words matter most)

  • Description optimization (first 200 characters)

  • Tags are helpful but secondary to title/description

  • Spoken keywords affect autocomplete suggestions

  • Hashtags work minimally (3-5 in description)

Action step: Research what people actually type into YouTube search. Use those exact phrases in your title and say them in your video.

X (Twitter): It's Complicated

What's working in 2025:

  • Trending hashtags for discovery (1-2 per post)

  • Keywords for profile searchability

  • Quote tweets with keywords outperform hashtag-heavy posts

Action step: Use hashtags sparingly for trending conversations, but write naturally with clear, searchable language.

The Universal Truth for 2025

Write for humans. Optimize for search.

The platforms that are growing fastest (Instagram, TikTok, LinkedIn) are all prioritizing:

  1. Natural language processing

  2. Semantic search (understanding meaning, not just matching words)

  3. Context over keyword stuffing

This means your content needs to answer questions and solve problems using the exact language your audience uses when searching.

Your Action Plan This Week

Monday: Audit your last 10 posts. Count your hashtags. Are you overdoing it?

Tuesday: Research 5 questions your audience asks. Write them down exactly as they're typed.

Wednesday: Create one piece of content using those natural phrases in your caption/script.

Thursday: Reduce hashtags to 3-5 per platform. Monitor the difference.

Friday: Check your analytics. Which keywords/phrases are driving the most profile visits?

The Bottom Line

Hashtags aren't dead – they're just not the growth hack they used to be.

Keywords are the new currency – but only when used naturally within valuable content.

The accounts growing fastest in 2025 are those that:

  • Understand their audience's search behavior

  • Create searchable, valuable content

  • Use hashtags strategically, not desperately

  • Optimize for platform-specific algorithms

Stop chasing hashtag strategies from 2020. Start creating content that people are actually searching for.

Quick Wins Checklist

✓ Reduce hashtags to 3-5 per post

✓ Research actual search queries in your niche

✓ Put keywords in the first sentence of captions

✓ Say your target keywords out loud in videos

✓ Optimize your profile name/bio with searchable terms

✓ Write naturally – the algorithm can understand context now

That's a wrap!

Start your newsletter & monetize it

If you are serious about starting a newsletter & monetize it to be the master of your time, I highly recommend Beehiiv.