Welcome to the On Viral Agency blog!
Here you will find FREE information about digital marketing, SEO, artificial intelligence, social media and web design, the same information many people have sold you, or tried to sell you, as courses, ebooks or mentorships.
At On Viral Agency, an agency from the Dominican Republic made up of self-taught people, we believe in making information accessible to everyone. We write for business owners who want to understand how to get customers online before spending their budget.
Read, learn, get informed, give it a try and, when you can no longer do it on your own, message us.
Social media
See all »What it covers. Social media gathers the practical side of posting on WhatsApp, Instagram, Facebook and the rest: the image sizes for every network, the safe zones where your logo and your price never get cut off, and how to sell through messages.
Who it helps. It helps the business owner who posts on their own, or who reviews the work of whoever does it for them, and wants every piece to look right on a phone.
Where to start. Start with the WhatsApp Business guide for companies and the WhatsApp image size guide.
Social media image sizes
Instagram, Facebook, TikTok, YouTube, LinkedIn, X and Pinterest: the size of every format and how each post looks in the feed.
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WhatsApp image sizes
Profile photo, status, catalog and cover for WhatsApp and WhatsApp Business. No more uploading a photo that ends up cropped.
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TikTok sizes 2027: video size, safe zone and length
A TikTok video is recorded at 1080 × 1920 px (9:16). Formats, length, maximum file size and the area the buttons cover, with official TikTok data.
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Instagram image sizes 2027: posts, 3:4 grid, Reels and stories
Instagram uploads photos up to 1080 px wide, between 1.91:1 and 3:4. Which size to use for each format and what gets cropped in the profile grid.
Read the article »Digital marketing
See all »What it covers. Digital marketing explains how a business gets customers online, with the principles that hold even when the trendy platform changes: who you talk to, what you offer, through which channel and how you measure the result.
Who it helps. It helps anyone who runs a company, a clinic or a real estate agency and has to decide where to spend the budget, and anyone who wants to understand what agencies are proposing before signing.
Where to start. You will find what digital marketing is, strategies by industry such as dental and real estate marketing, a glossary of terms and analyses of real brands.
How not to run a Google Ads campaign: 7 mistakes and how to fix them
The 7 costliest mistakes in Google Ads: a weak landing page, unmeasured conversions, keywords that are too broad and more. With the diagnosis and the fix.
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Organic marketing for your business in 2027: 7 steps to attract customers without paying for ads
How to do organic marketing in 7 steps: define your customer, choose formats, post useful content, measure and take the conversation to WhatsApp.
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5 digital marketing strategies for your business in 2027
Five digital marketing strategies worth having: website, SEO and GEO, content, email and social media with WhatsApp. What each one does and where to start.
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Dental marketing 2027: how to attract patients with the Dental Funnel Method
Why the free checkup and cleaning offer does not fill the schedule and how the Dental Funnel Method attracts patients with SEO, ads and WhatsApp.
Read the article »SEO
See all »What it covers. SEO teaches how to show up when someone searches for what you sell, on Google and on the artificial intelligence assistants that answer with sources. It covers content, site structure, common mistakes and measuring with Search Console.
Who it helps. It helps the owner who already has a website and gets no visits, and the one who is about to build one and wants it to start off well ranked.
Where to start. Begin with what SEO is, continue with the most common SEO mistakes and with how to build a niche website that attracts traffic.
Give me 15 minutes and I'll save you years of SEO mistakes: the class for business owners
An SEO class for business owners: 11 lessons in three levels, with real Google screenshots, data from our blog and what Google says in 2026.
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7 SEO mistakes you are probably making (and how to fix them in 2027)
The 7 most common SEO mistakes: no keyword research, poor architecture, not measuring, believing longer ranks better and chasing AI tricks.
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What is a niche website and how to create one that works in 2027
What a niche website is, how to choose a topic, create content that adds something, monetize it and avoid the scaled content abuse Google penalizes.
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What is SEO in 2027: pillars, how it works and how to appear on Google and in AI
What SEO is, its 7 pillars, the difference from SEM and what Google says in 2026 about appearing in AI Overviews and AI Mode. A practical guide for businesses.
Read the article »Artificial intelligence
See all »What it covers. Artificial intelligence reviews the tools a business can already use: sales chatbots, text to video, personalization and automation. Every article says what they do, what they cost and where they fail.
Who it helps. It helps anyone who wants to save time on customer service and content without handing a machine what should not be automated.
Where to start. Read AI marketing, the guide to AI chatbots for sales and the analysis of Meta’s TRIBE v2.
AI text to video in 2027: tools, uses and limits for your business
How text-to-video AI works, which tools exist in 2026, what it is useful for in social media and presentations and what limits it has before you publish.
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How to make Claude Code watch videos for free: 4 paths, their costs and which to choose
Claude does not receive video, it receives images and text. We compare 4 free ways to give Claude Code eyes, with a cost table and the one we recommend.
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AI chatbots for sales in 2027: how they work, what they cost and how not to fail
How an AI chatbot works, what it needs to actually sell, what it costs on WhatsApp since October 2026 and how to design it before hiring it.
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AI marketing in 2027: personalization, customer experience and what you should not automate
How to use artificial intelligence in marketing to personalize and improve the customer experience, what data you need and what is better not to automate.
Read the article »Web design
See all »What it covers. Web design answers the questions of anyone about to have a website: what it costs, what it is built with, how long it takes and what it needs to sell, not just to exist.
Who it helps. It helps the entrepreneur pricing a first website, the owner who wants to redesign the current one and anyone who has to compare proposals with judgment.
Where to start. Look at web design in the Dominican Republic, what WordPress is and what it is for, and why your first logo does not have to be the final one.
What is WordPress and what is it for in 2027
What WordPress is, how it works, which type of business it suits, what risks it has and when another option is better. With usage data updated to 2026.
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Your first logo only has to let you start
A good-enough logo is worth more than a perfect one that takes months. How to create your first logo for free, what it must meet and when to redesign it.
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Web design in the Dominican Republic 2027: what a website costs and what the process looks like
What a website costs in the Dominican Republic in 2026 and 2027 by type of site, what the price includes, the yearly costs and the steps of web design.
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