Hashtags have long been a key part of social media strategy, serving as digital signposts that connect content with wider conversations. While their effectiveness has evolved alongside social platform algorithms and user behavior, strategic hashtag use can still boost visibility, drive engagement, and strengthen brand recognition—when done correctly.

What Are Hashtags and Why Do They Matter?

A hashtag is a keyword or phrase preceded by the “#” symbol (e.g., #SocialMediaTips). It helps organize content and makes it searchable, allowing users to find posts related to specific topics or themes. Originally popularized by X (formerly Twitter), hashtags are now widely used on platforms like Instagram, LinkedIn, TikTok, and even newer networks like Threads and Bluesky.

Hashtags give your content context, help you reach interested audiences, and can even build community around shared interests. But with growing spam and algorithm changes, many platforms now deprioritize hashtags in favor of engagement metrics. That means hashtags should enhance—not carry—your content.

Are Hashtags Still Relevant?

The short answer: yes, but with caveats. Overuse, vague terms, or spammy behavior can hurt your content’s credibility. On Instagram, the ability to follow hashtags was removed in 2024. X’s Elon Musk even called for people to stop using them altogether. Yet, LinkedIn and TikTok still find value in hashtags, especially when used sparingly and with purpose.

So instead of dumping 30 generic tags into every post, focus on a few relevant, targeted ones. Specific hashtags that reflect your niche, industry, or audience interest will outperform broader ones like #marketing or #business.

Tips for Smarter Hashtag Use

  1. Be Selective: One to three hashtags often perform better than a dozen. Especially on platforms like LinkedIn or X, less is more.
  2. Keep Them Clear: Avoid clever or obscure phrases. Use straightforward, searchable tags like #ContentStrategy over #ThinkBigCreateBigger.
  3. Use Camel Case: Capitalize the first letter of each word in compound hashtags (e.g., #DigitalMarketingTips). This improves readability and accessibility.
  4. Mix It Up: On Instagram or TikTok, combine popular, niche, branded, and location-specific hashtags for broader reach.
  5. Avoid Spam Tags: Tags with very high search volumes might attract bots or get lost in the noise. Medium-volume, specific hashtags are usually more effective.
  6. Analyze Competitors: See what hashtags influencers or brands in your niche are using. Tools like BuzzSumo and RiteTag can help with research.

Platform-Specific Hashtag Strategies

  • X (Twitter): Stick to 1–2 hashtags max. Use relevant keywords and encourage retweets to boost visibility.
  • Instagram: You can use up to 30 hashtags, but a focused mix of 10–11 works well. Try using them in Stories, Reels, and captions.
  • LinkedIn: Use 1–3 professional, topic-related hashtags to expand reach beyond your direct network.
  • TikTok: Hashtags here help with discovery. Use a combination of trending and niche tags to increase chances of appearing on the ‘For You’ page.
  • Threads: Threads limits posts to one tag, which appears as a clickable link, so choose wisely.
  • Bluesky: Use 1–2 focused hashtags that reflect your target audience. Avoid over-tagging.
  • Pinterest: While no longer as impactful, using relevant hashtags can still help categorize your pins.

Tools to Find Effective Hashtags

  • RiteTag: Real-time suggestions for engagement.
  • Keyhole: Offers analytics and trending data.
  • Copy.ai and Postly.ai: Use AI to generate relevant hashtag suggestions.
  • All Hashtag, Inflact, and Keyword Tool: Great for Instagram and TikTok-specific searches.

Final Thoughts: Hashtags as a Complement, Not a Crutch

Hashtags are no longer the magic bullet they once were—but they’re still a valuable tool when used intentionally. Think of them as the garnish, not the main course. Prioritize quality content and community engagement, and let your hashtags support that foundation.

A well-thought-out hashtag strategy, tailored to each platform, can make your content more discoverable and help you connect with the right audience in a crowded digital space.

Source: Digital Marketing Institute