Digital marketing guides: SEO, AI search, content, email and metrics

These digital marketing guides cover search and AI search, content and social strategy, analytics, email automation and the metrics marketers report. They explain AEO, GEO and SEO side by side, compare tools from vendor pages and show how CAC, LTV, ROAS and CTR are calculated.

Last updated: 11 November 2026.

How does search change with AI?

AEO vs GEO vs SEO: how to get found in AI search in 2027: AEO vs SEO explained: Google's 15 May 2026 guide says optimizing for AI Overviews and AI Mode is still SEO. What is documented and what is unproven.
AI visibility and GEO tracking tools in 2027: what they measure: AI visibility tools compared on vendor pages on 11 November 2026: what ten tools measure, what no tool can show, and a spreadsheet method with code.
Best SEO tools for 2027: top 10 free and paid options: The 10 best SEO tools for 2027 by job, from free Google reports to paid suites, with what each does, one concrete use and the limit that matters.

Content marketing strategy: a step-by-step plan for 2027: A content marketing strategy in 7 steps: goal, audience, topics, formats, distribution, calendar and measurement, plus a table linking goals to metrics.
Social media marketing in 2027: strategy, channels and metrics: Social media marketing strategy for 2027: how to pick channels with India data, which metrics each platform defines, and how to measure results.
Top 10 AI marketing tools to learn in 2027, by workflow: Ten AI marketing tools to learn for 2027, grouped by workflow from research to analytics, with what each tool does and the limit that matters in each case.

How do you measure and automate?

Google Analytics 4 for marketers: key reports, events and metrics: Google Analytics 4 for beginners: how events, sessions and key events work, what engagement rate means and which report groups marketers read first.
CAC, LTV, ROAS and CTR: marketing metrics explained with formulas: Marketing metrics explained: formulas for CTR, ROAS, CAC and LTV, a worked rupee example, and why one business can show an LTV to CAC of 3.2 or 12.0.
Best email marketing and automation tools in 2027: Email marketing tools checked on vendor pages on 11 November 2026: ten compared, plus Google's sender rules and the status of India's DPDP Act, 2023.

Certification Program in Digital Marketing with Applied AI, IIM Ranchi: Online programme from IIM Ranchi: SEO, social media, email, paid ads, analytics and generative AI tools, with a capstone project.
Advanced Programme in Strategic Marketing Excellence, IIM Lucknow: Live online programme from IIM Lucknow: marketing foundations, sales and distribution, competitive strategy, digital marketing and marketing analytics.

Frequently asked questions

What is the difference between SEO, AEO and GEO?

SEO aims to rank pages in search results, AEO aims to be the direct answer in answer boxes and assistants, and GEO aims to be cited in generative AI answers. The comparison guide sets out what each involves and how they overlap.

Can AI visibility tools guarantee citations?

No. The AI visibility tools guide explains that assistants do not publish how they choose sources and that answers vary between runs, so the tools measure mentions and citations over a fixed prompt set rather than controlling them.

Which marketing metrics should a beginner learn?

CAC, LTV, ROAS and CTR are the usual starting set. The marketing metrics guide defines each, shows the formulas with worked arithmetic and explains how they relate to each other.