Types of Digital Marketing: Complete Guide with Real Examples
Every business owner in Bangladesh hears the same advice: you need digital marketing. But digital marketing is not one single thing. It is a group of channels, each working differently and suiting different businesses.
A clothing shop in Chattogram, a coaching centre in Dhaka, and an online seller delivering nationwide do not need the same mix. The wrong channel wastes time and money. The right one, worked on steadily, brings enquiries, orders, and repeat customers.
In this guide, we explain the eleven main types of digital marketing in plain language: what each one is, how a small business uses it, its good and weak sides, and one practical tip. The examples are everyday scenarios a real shop or service business might face, shared to explain how each channel works, not as case studies with measured results.
We are Raozan IT, a web design and digital marketing agency based in Noapara, Raozan, Chattogram. Our eight-member team has helped businesses build websites and grow online since 2017. This guide shares the advice we give our own clients: start with the basics, pick a few channels that fit, and work steadily.

What Is Digital Marketing?
Digital marketing means promoting your business through digital channels: search engines, social media, email, websites, video, and mobile phones. Whenever a customer finds you, contacts you, or buys from you through a screen, digital marketing is involved.
Traditional marketing, a newspaper advert, a billboard, a leaflet, speaks to everyone and hopes the right people notice. Digital marketing is more targeted and easier to measure. You can show an advert only to people in your city who searched for your product, and afterwards see how many people clicked, called, or messaged you.
For businesses in Bangladesh, this matters daily. Customers search Google for nearby shops and services, check a Facebook page before ordering, and message on WhatsApp with questions before buying. A business that is present in these places, with clear and correct information, gets the enquiry. One that is invisible online often loses the customer before any conversation starts.
The 11 Types of Digital Marketing Explained

Most digital marketing activities fall into these eleven types. You do not need all eleven. Most small businesses start with two or three and add more later. Note which types match how your customers already find and buy.
1. Search Engine Optimization (SEO)
Search engine optimization means improving your website and online presence so your business appears when people search on Google for what you sell. If someone in Sylhet searches for a service you provide, SEO helps your business show up.
It has a few main parts: clear page titles, helpful content, fast loading, and a site that is easy to use on a mobile phone, because most customers browse and buy on mobile. For local businesses, a complete Google Business Profile matters just as much. If you would rather have a team handle this, our SEO services cover audits, on-page work, and local search setup.
Start by completing your Business Profile, correct address, hours, and phone number, then add website pages answering the questions customers ask most.
Pros:
- Visitors who are already searching for what you sell
- Keeps working over time, with no cost per click
- Builds trust, because people trust businesses Google shows them
Cons:
- Slow: months, not days, for steady movement
- Needs regular content and technical upkeep
- Rankings shift as competitors improve their sites
Best for: Almost every business with a website, especially local services searched by area or need.
Practical tip: Complete every field of your Google Business Profile, add real photos, and keep your hours correct.
2. Content Marketing
Content marketing means creating useful material, articles, guides, photos, and answers to common questions, that helps potential customers and shows your knowledge. Instead of only advertising, you give people information they were already looking for.
Good content answers real questions. A furniture maker might publish a guide on choosing wood for a dining table; a training centre might explain the difference between its courses. Content is found through search, shared on social media, and keeps working for a long time.
A small business usually starts with its website and Facebook page. One helpful article can become a social post, a short video, and an email to past customers.
Pros:
- Builds trust and shows expertise before customers contact you
- Supports SEO with useful pages for Google to show
- Costs little beyond time if you create it yourself
Cons:
- Needs consistency: occasional posts have little effect
- Quality matters more than quantity, and takes effort
- Results build slowly, over months
Best for: Businesses whose customers research before buying, and anyone selling knowledge or considered purchases.
Practical tip: List the questions customers ask most often, in person and on the phone. Each one is a content idea.
3. Social Media Marketing
Social media marketing means using platforms such as Facebook, Instagram, YouTube, LinkedIn, and TikTok to reach customers, show your products and work, and start conversations. In Bangladesh, Facebook is the main platform for most businesses, and many sales begin as a comment or message.
Unpaid work centres on your page: regular posts, photos and videos of your work, and quick, polite replies. An active page looks trustworthy; a long-silent one makes customers wonder if the business still exists.
A small online seller might post new stock photos during the week, a short video showing a product in use, and a weekly post answering a common delivery question, handling enquiries in Messenger and WhatsApp. Our social media marketing services help businesses plan and manage this work; for the platform most Bangladeshi businesses rely on, read our Facebook marketing guide for small businesses.
Pros:
- Free to start, apart from your time
- Direct conversation with customers builds loyalty
- Visual platforms suit products, food, fashion, and services
Cons:
- Unpaid reach is limited and changes often
- Needs steady posting, not occasional bursts
- Comments and messages need daily attention
Best for: Consumer products, food, fashion, local services, and businesses whose customers are active on social platforms.
Practical tip: Reply politely and quickly to every comment and message. Your replies are public proof of how you treat customers.
4. Pay-Per-Click Advertising (PPC)
Pay-per-click advertising means placing adverts on Google, Facebook, and other platforms, and paying when someone clicks or interacts. You set your own budget, choose who should see the advert, and can pause or change it at any time.
On Google, adverts appear above normal search results for chosen keywords. On Facebook and Instagram, they appear in the feeds of people matching the audience you select, by location, age, and interests.
A business might run a Google advert for its main service in its own city, reaching ready-to-buy searchers today while SEO builds in the background, or a Facebook advert sending nearby customers to its page or WhatsApp. Targeting and tracking need care; our paid advertising services handle setup and management.
Pros:
- Fast: visitors can arrive the same day adverts launch
- Precise targeting by place, interest, and search intent
- Clear reporting on what your spending did
Cons:
- Stops the moment you stop paying
- Clicks in competitive markets can become costly
- Poorly set up campaigns waste money quickly
Best for: Businesses needing enquiries or sales now, product launches, and testing a new offer.
Practical tip: Start small: one clear offer, one clear audience. A tidy small campaign teaches more than a spread-out budget.
5. Email Marketing

Email marketing means sending messages to people who agreed to hear from you: past customers, website subscribers, and people who asked for updates. Unlike a social media following, your email list belongs to you. No platform change can take it away.
Useful emails are not constant selling. Mix helpful advice, business news, product updates, and the occasional offer. Automatic emails matter too: a welcome message for new subscribers, a cart reminder, a follow-up after purchase.
A small business might collect addresses at checkout or through a website signup form, then send one helpful email every week or two to stay in customers’ minds.
Pros:
- You own the list and the relationship
- Very low cost: most tools offer a free starting plan
- Good for repeat sales and past customers
Cons:
- Building a genuine list takes time
- Advert-only emails get ignored or marked as spam
- Needs permission: never buy email lists
Best for: Online shops, course providers, services with repeat customers, and anyone with a growing customer base.
Practical tip: Offer something genuinely useful for an email address, such as a guide or checklist related to your business.
6. Affiliate Marketing
Affiliate marketing means other people promote your products and earn a commission when their promotion leads to a sale. Each partner gets a special link; when a customer buys through it, the sale is credited to that partner.
The model is common for online products, courses, software, and e-commerce. Bloggers, creators, and niche websites recommend your product to their audience, and you pay only when a sale happens.
A small online shop might invite a few trusted reviewers or community page admins to share its products, track sales through each partner’s link, and pay commission on completed orders only.
Pros:
- You pay for completed sales, not exposure
- Partners introduce you to new audiences
- Low risk: no upfront advert cost
Cons:
- Less control over how partners describe your product
- Commission reduces your margin on each sale
- Finding good partners takes time and care
Best for: Online shops, digital products, courses, and businesses selling beyond their local area.
Practical tip: Start with a few partners you trust, agree commission and rules in writing, and review the quality of their sales.
7. Influencer Marketing
Influencer marketing means working with people who have an engaged audience on Facebook, YouTube, Instagram, or TikTok, so they introduce your product or service to their followers.
The value is trust: followers listen to a creator they chose to follow, and an honest demonstration or review can introduce your business to people who would never see your adverts. Bigger is not always better. A local creator with a loyal audience in your city may suit a local business better than a national celebrity.
A restaurant might invite a local food vlogger to try a new menu and share the visit. A clothing brand might send products to a fashion creator whose followers match its customers, agreeing in advance what will be posted.
Pros:
- Reaches new audiences through a trusted voice
- The creator usually produces the content
- Works well for products people want to see in use
Cons:
- Hard to judge an audience’s quality before paying
- Some followers may be fake or uninterested
- Results vary greatly between creators
Best for: Food, fashion, beauty, and lifestyle products, and local experiences such as restaurants and salons.
Practical tip: Check a creator’s comments, not just follower counts: real conversation is a better sign than big numbers.
8. Video Marketing
Video marketing means using video to explain, demonstrate, and promote your business: product demonstrations, how-to guides, behind-the-scenes clips, customer question answers, and short social clips.
Video suits how people in Bangladesh already use the internet. Customers watch product videos before ordering because video shows size, quality, and use in a way photos cannot. Short videos work well on Facebook and TikTok; longer guides do well on YouTube, where search keeps finding them over time.
No expensive equipment is needed: a phone, good light, and a clear voice can show how a product works, answer one common question, or record a happy customer’s words, with permission. If you can record raw footage but have no time to edit, our video editing services turn phone recordings into clean, ready-to-post videos.
Pros:
- Shows products and skills more clearly than text or photos
- Short videos are shared often and favoured by platforms
- One video can serve your page, website, and YouTube
Cons:
- Takes more effort than a photo post
- Poor sound or light makes good products look bad
- A channel needs regular ideas to stay active
Best for: Products needing demonstration, food, fashion, training, repairs, and services where showing the work builds trust.
Practical tip: Answer one customer question per video, and keep it short. A clear answer beats a polished advert.
9. Mobile Marketing
Mobile marketing means reaching customers on their phones: mobile-friendly websites, SMS updates, messaging apps, and adverts for small screens. For most businesses in Bangladesh, the phone is where nearly every customer interaction happens.
This type overlaps with all the others. Your website, adverts, emails, and social pages are mostly viewed on phones, so each must load fast and be easy to read and tap. Businesses also use SMS for order and appointment updates, and WhatsApp and Messenger for direct conversation.
An online shop might send an SMS confirming an order and another when it is dispatched. A clinic might send appointment reminders to reduce missed visits, and a shop might invite customers to continue on WhatsApp.
Pros:
- Reaches customers wherever they are
- Messages are seen quickly: good for updates and reminders
- Fits how customers in Bangladesh already shop and communicate
Cons:
- Easy to annoy people if you message too often
- Every message needs permission and an opt-out
- Small screens punish slow, cluttered websites
Best for: Online shops, delivery and appointment-based services, and local businesses taking orders by phone.
Practical tip: Open your own website on your phone and try to buy or enquire. If it is hard for you, it is hard for customers.
10. Marketing Automation
Marketing automation means using software to handle repetitive tasks automatically: a welcome email for new subscribers, a reminder about items left in a cart, a follow-up after a purchase.
Automation does not replace real conversation. It handles the predictable steps so nothing is forgotten, including outside office hours, when many customers in Bangladesh place orders and send enquiries.
A small online shop might set up a few simple automations: a welcome message for new subscribers, a cart reminder for shoppers who did not finish checkout, and a thank-you message after delivery asking for a review.
Pros:
- Saves time on repetitive work
- No enquiry or follow-up is forgotten
- Lets a small team handle a growing customer base
Cons:
- Setup takes thought and testing
- Over-automation can feel cold and impersonal
- Advanced features usually need a paid plan
Best for: Online shops, services with regular enquiries, and businesses repeating the same follow-ups daily.
Practical tip: Automate one task you currently forget: most businesses start with the cart reminder or the welcome message.
11. Online PR and Reputation Management
Online PR and reputation management means looking after what people find and say about your business online: Google reviews, mentions on other websites, coverage in news or blogs, and how you respond in public to praise and complaints.
Before visiting a new shop or hiring a service, customers read reviews. A business with recent, genuine reviews, and calm, helpful replies to negative ones, looks safer than one with none at all.
A local business might politely ask satisfied customers, at the right moment, to leave a Google review, then reply to every review it receives. It might also share its knowledge with a local news site or community blog.
Pros:
- Builds the trust that turns searchers into customers
- Reviews improve your appearance in local search
- Public replies show how you handle problems
Cons:
- You cannot control what people say
- A genuine review base takes months of steady asking
- Fake reviews damage trust and can get a listing penalised
Best for: Local shops, restaurants, clinics, and services customers choose based on reviews.
Practical tip: Reply to every review, briefly and politely. Never buy reviews. Real customers can tell, and so can Google.
Comparison: Which Types Should You Choose?

The table below compares the eleven types at a glance. Cost levels are relative, not prices: spending depends on your market, competition, and goals. Speed is general too: a well-run effort in any channel beats a neglected one.
| Type | Cost level | Speed of results | Best for |
|---|---|---|---|
| SEO | Low: mostly time and upkeep | Slow, builds over months | Long-term Google visibility |
| Content Marketing | Low | Slow | Trust and expertise |
| Social Media Marketing | Low to medium | Medium | Community, products, daily visibility |
| Pay-Per-Click Advertising | Paid: you pay per click | Fast, while adverts run | Immediate enquiries and sales |
| Email Marketing | Low | Medium | Repeat customers and retention |
| Affiliate Marketing | Pay on sale only | Medium | New audiences at low upfront risk |
| Influencer Marketing | Medium | Fast exposure | Products people want to see in use |
| Video Marketing | Low to medium | Medium | Demonstrations, trust building |
| Mobile Marketing | Low | Fast for messages | Updates, reminders, direct contact |
| Marketing Automation | Low to medium | Medium | Saving time on follow-ups |
| Online PR and Reputation | Low | Slow | Local trust and reviews |
Notice the pattern: the low-cost channels are mostly the slow ones, and the fast channels are mostly the paid ones. That is the basic trade-off: you pay with money, or with time and consistency. Most healthy mixes use both: paid adverts for enquiries today, and content, SEO, and reputation work for later.
How to Choose the Right Mix for Your Business

There is no single correct mix. The right channels depend on your answers to a few questions:
- Where do my customers spend time online: searching on Google, scrolling Facebook, or watching YouTube?
- Do customers come to me when they have a need, like a repair or a clinic visit, or must I show them something new, like a fashion item?
- How do customers prefer to contact me: phone call, Messenger, WhatsApp, or walking into my shop?
- How much time can I honestly give marketing each week, and can I spend money steadily?
Whatever mix you choose, one thing comes first: your own website. A platform can change its rules or limit your reach at any time, but your website is yours. It is where search results, adverts, and social posts should lead. It must load fast on phones and make contacting you easy. If it is missing or outdated, fixing that foundation, for example with proper web design services, matters more than adding another channel.
If you run a local shop or service: Start with your Google Business Profile and reviews, a simple website, and one social page updated regularly. Customers searching “near me” are your most ready buyers.
If you sell online: Build on Facebook plus your own website or shop, use paid adverts to bring buyers to your products, and collect customer contacts so follow-ups can bring repeat orders. Clear delivery and payment information, including the mobile payment options customers in Bangladesh use daily, removes hesitation at checkout.
If you sell a service or expertise: Content marketing, SEO, and a presence on YouTube or LinkedIn show your knowledge. Helpful guides win trust long before a customer is ready to hire you. Then make enquiries easy, with clear contact options on every page.
Common Mistakes to Avoid
Trying every channel at once. Spreading a small budget across eleven channels means all of them are done badly. Two or three channels done steadily beat eleven done in bursts.
Posting only adverts on social media. A page that only says “buy now” teaches people to ignore it. Mix product posts with helpful, interesting, and human content.
Ignoring your website while growing social pages. Followers belong to the platform, not to you. Send people to your own website, collect their details with permission, and keep your information correct everywhere.
Judging too quickly. SEO and content need months; adverts need testing. Changing direction every couple of weeks means nothing gets a fair chance.
Not measuring anything. You cannot improve what you do not track. Know where enquiries come from: ask customers, and check your analytics regularly.
Getting Started: Your First 30 Days
Here is a realistic first month, assuming a few hours each week.
Week 1: Set up the basics
- Claim and complete your Google Business Profile: correct name, address, hours, phone, and real photos.
- Install Google Analytics on your website and connect Google Search Console.
- Open your website on a phone: does it load quickly, and can a visitor contact you in one tap?
- Choose one main social platform. For most businesses in Bangladesh, that is Facebook.
Week 2: Build your foundation content
- Write or improve your main service or product pages, so each explains what you offer and how to order or enquire.
- Complete your social page: profile photo, cover image, honest description, working contact buttons.
- Set up a simple way to collect customer contacts with permission, such as a website signup form.
- Publish your first helpful post, answering a question customers ask often.
Week 3: Publish and engage
- Publish one or two more pieces of content, an article, a short video, or a photo story.
- Reply to every comment, message, and review within a day.
- Ask a few satisfied customers to leave an honest Google review.
- If you have a steady small budget, test one simple advert for your best offer.
Week 4: Review and plan
- Look at what happened: which posts received responses, and where enquiries came from.
- Fix the weakest point you found: a slow page, a missing contact button, a missing answer.
- Plan next month’s content around the questions and products with the most interest.
- Repeat. Steady monthly improvement beats occasional big efforts.
Frequently Asked Questions
What is the most effective type of digital marketing?
There is no single winner; it depends on your business and your customers. For a local service, being found on Google, through SEO and a complete Business Profile, usually matters most, because customers search when they are ready to buy. For online products, social media and paid adverts often lead. For repeat sales, email and messaging are hard to beat. The most effective type is the one matching how your customers look for what you sell, done consistently.
Which digital marketing type is best for small businesses with limited budgets?
Start with channels that cost time rather than money: a complete Google Business Profile, a simple and fast website, regular organic Facebook posting, and collecting customer contacts for email and message follow-ups. Paid adverts can come later, in small and controlled tests. The mistake to avoid is spreading a small budget thinly across many channels. Focus on one or two, do them well, and let real enquiries, not hope, decide where future spending goes.
How many types of digital marketing should I use at once?
Two or three is a sensible start for a small business. One channel that brings people in, such as search or social media, one place that turns them into customers, your website, and one way to keep them, such as email or messaging, covers the full journey. Add another channel only when the existing ones run steadily. A neglected page or an unanswered inbox damages trust more than having no presence there at all.
What is the cheapest type of digital marketing?
The cheapest types are the ones you do yourself with time instead of money: organic social posting, basic SEO on your own website, a complete Google Business Profile, and email to a list you built yourself. Cheap needs care, though: your time has value, and a free channel done badly brings nothing. A modest paid campaign that brings steady orders can be better value than months of free posts nobody sees.
How long does digital marketing take to work?
It depends on the channel. Paid adverts can bring visitors the same day they launch, though they usually need testing before they work well. Social media and email build over weeks and months as your audience grows. SEO and content are slowest: expect months of steady work before regular enquiries, but they also keep working longest. A sensible plan mixes a faster channel for today with slower work that pays off later. Be careful with anyone who names a fixed date for results.
Can I do digital marketing myself or do I need to hire an agency?
Many owners start by doing it themselves, and that is a fine way to learn what works. The trade-off is time: marketing done well, week after week, sits on top of running the business. Consider help when tasks keep being postponed, when adverts are spending without clear results, or when you lack a skill such as website work or video editing. A good agency explains its work in plain language and reports honestly. Start with one clear task and judge by the work.
What’s the difference between digital marketing and social media marketing?
Social media marketing is one part of digital marketing, not the whole thing. Digital marketing covers every online way of reaching customers: search engines, websites, email, adverts, video, messaging, and social platforms. Social media marketing is only the part on platforms such as Facebook, Instagram, and TikTok. A business doing only social media would miss the customers who search on Google, the repeat buyers reached by email, and the trust built by reviews and a proper website.
How much should I budget for digital marketing?
Start with an amount you can spend consistently, month after month, rather than a large one-off sum. Steady spending on one or two channels teaches you what works; a single big burst teaches little and then stops. Advert money is paid directly to the platform, to Meta for Facebook and Instagram adverts, or to Google for search adverts, not held by an agency. If you pay for help, that fee is separate, for the work itself. Review spending against real enquiries and sales, and raise budgets only for what is clearly working.
Choosing the right mix is easier with honest advice. Raozan IT is an eight-member team based in Noapara, Raozan, Chattogram, helping businesses across Bangladesh with websites and digital marketing since 2017, 800+ projects completed, and websites built for 400+ web design clients.
Explore our services to see everything we offer. To talk about your business, Chat on WhatsApp, message us through our contact page, or email us at [email protected]. Tell us what you sell and what you have tried so far, and we will suggest a sensible starting point, with no pressure.



