The main types of digital marketing are SEO, paid search, paid social ads, organic social media, content marketing, email and WhatsApp marketing, affiliate and influencer marketing, and conversion rate optimisation. Each suits a different goal, so you don't need all of them.
Here's what each one does, who it suits, and the honest downside.
1. SEO
You improve your website so that it appears in unpaid search results. It's good for people actively looking for what you sell.
- Best for: businesses that can wait months for long-term returns.
- Downside: it's slow, and nobody controls Google.
Read what SEO is for more.
2. Search engine marketing (paid search)
You pay to appear in search results, usually through Google Ads. You typically pay per click.
- Best for: quick leads where search demand already exists.
- Downside: traffic stops when spending stops, and competitive terms can be expensive.
3. Paid social media ads
Ads on Facebook, Instagram, YouTube and LinkedIn, targeted by audience rather than by search. People aren't looking for you yet, so the ad has to create interest.
- Best for: visual products, offers, D2C brands, local promotions and B2B on LinkedIn.
- Downside: creative wears out quickly and lead quality can vary.
My Meta ads service covers this.
4. Organic social media
Regular posting on platforms such as Instagram, LinkedIn and YouTube, without paying for reach.
- Best for: building trust, showing your work, staying in people's minds.
- Downside: reach is unpredictable. It takes consistent effort, and it rarely drives direct leads quickly.
5. Content marketing
You create useful articles, videos, guides and tools, so people find you and trust you. It feeds SEO, social and email.
- Best for: services with long decision times, such as B2B, education and finance.
- Downside: it needs real expertise. Generic AI blog posts add little.
6. Email and WhatsApp marketing
You message people who have already given you their contact details. In India, WhatsApp is often the more natural channel, and email works well for B2B and ecommerce.
- Best for: repeat sales, reminders and nurturing leads.
- Downside: you need a list and permission. Spamming gets you blocked. Use the official WhatsApp Business Platform for bulk messages rather than grey-market tools.
See my email marketing service for details.
7. Affiliate and influencer marketing
Other people promote you. Affiliates earn a commission on sales. Influencers are usually paid for their reach and credibility with a specific audience.
- Best for: consumer brands and products with good margins.
- Downside: it's easy to pay for fake followers. Check real engagement and track sales using codes or links. Paid promotions also need to be disclosed, so follow ASCI's rules.
8. Conversion rate optimisation
This isn't a traffic channel, but it may be the most overlooked type. You improve your pages, offers and forms so that more visitors take action. If twice as many visitors enquire, every other channel just became twice as effective.
- Best for: any site that already has steady traffic.
- Downside: small sites may not have enough traffic for formal tests.
How the types work together
Channels work better when they're connected. A buyer may see your Instagram ad, search your name a week later, read a blog post, and fill in a form from a retargeting ad. That's why judging each channel on last-click data alone can mislead you.
Which should you start with?
- Local service business: Google Business Profile, local SEO, then search ads.
- Ecommerce: Meta and Google Shopping ads, SEO on categories, email for repeat sales.
- B2B: search ads, content, LinkedIn and email.
- New brand with low budget: one channel, done properly.
For a step-by-step plan, read my digital marketing guide.
Written by Aman Potlia.