What is Digital Marketing? Complete Guide
What is digital marketing, what channels, which strategy works? SEO, SEM, SMM, email, influencer, content guide.
What is Digital Marketing?
Digital Marketing combines all marketing activities across digital channels (site, social, search, email, mobile) to reach customers and convert to sales.
Channels
SEO, SEM (Google Ads), SMM, Content, Email, Affiliate, Influencer, Mobile, Display, Video.
Channel by business
| Business | Main channels |
|---|---|
| Restaurant | Instagram, Google Maps, TikTok, delivery |
| E-commerce | SEO, Google Ads, Facebook, email |
| B2B/SaaS | SEO, LinkedIn, content |
| Local service | Maps, Facebook, SMM |
| Luxury | Instagram, influencer, video |
2026 trends
- AI-powered content
- Video-first
- Voice search
- Privacy-first marketing
- Micro/nano influencers
- Personalization
Metrics
- CTR, CPC, CPA, CPL, ROAS, LTV, Conversion rate