The essentials
- Five stages: visibility (rankings, impressions, citations by the AI engines), audience (organic sessions, new visitors), engagement (engaged sessions, duration, returns), conversion (leads, sign-ups, assisted sales), efficiency (cost per piece of content, cost per lead).
- 2026 benchmarks: a well-ranked article takes 3 to 6 months to reach its traffic; 20% of content produces 80% of the traffic and the conversions.
- The right time: a piece of content is judged at 90 days on visibility and at 6 months on conversions; reading it weekly leads to dropping it too soon.
- Dashboard: Search Console, GA4 and an AI citation tracking tool, consolidated by piece of content and by topic cluster.
A content strategy produces articles, pages, videos and guides, and its result arrives late: three to six months for traffic, longer for conversions. Without metrics suited to that delay, it is judged too soon and dropped, or continued without proof. This article gives the KPIs of each stage, the 2026 benchmarks, and the method for judging a piece of content at the right time. The principles of content marketing and the general metrics in digital marketing KPIs complete this article.
Stage 1: visibility
Before it is read, a piece of content has to be found. The visibility metrics are impressions and average position in Search Console by page and by query, the number of queries on which the page appears in the top 10, presence in the extracts (position 0, “People also ask”) and, since 2025, citation by the AI engines (Google AI Overviews, ChatGPT, Perplexity). Recent content is visible on 5 to 20 queries in the first month, 30 to 100 by the sixth. Ranking tracking is detailed in tracking your SEO rankings, and citation tracking in GEO KPIs.
Stage 2: audience
Organic sessions per piece of content, the share of new visitors, traffic by topic cluster and traffic from social media and email describe the audience. The right level of analysis is the topic cluster, not the isolated page: ten articles on the same theme send each other traffic and rank together. Content that stays below 50 monthly sessions after six months is content to rewrite, merge or delete.
Stage 3: engagement
| Metric | Source | 2026 benchmark (in-depth content) | Signal |
|---|---|---|---|
| Engagement rate (engaged sessions / sessions) | GA4 | 55 to 75% | Below 45%: misleading title or slow page |
| Average engagement time | GA4 | 1 min 30 to 4 min | Below 45s on a long article: content not read |
| Reading depth (90% scroll event) | GA4 | 30 to 50% | Below 20%: structure or length to review |
| Pages viewed per session from the content | GA4 | 1.8 to 3 | Below 1.3: no internal linking |
| Known visitors on the content | GA4 | 15 to 30% | Sign of a loyal audience |
| Shares, comments, saves | Social networks | Variable | Useful for social, weak link with SEO |
The definitions of these metrics are in engagement rate: definition. The bounce rate is not one of them: a reader who reads the whole article and leaves is a success.
Stage 4: conversion
- Direct conversions: newsletter sign-ups, downloads, contact or demo requests triggered from the content page, measured as key events in GA4; see GA4 key events.
- Assisted conversions: conversions whose journey went through the content without it being the last click; in B2B, 40 to 70% of leads have read at least one piece of content before converting.
- The move to the commercial pages: the share of readers who then visit an offer, pricing or case study page; 5 to 15% is a good benchmark.
- Attributed leads and sales: in the CRM, the “content” or “organic” source through to signature, read quarterly.
Stage 5: efficiency
| Metric | Calculation | 2026 benchmark |
|---|---|---|
| Cost per piece of content | Writing, proofreading, visuals, integration, internal time | €300 to 1,200 for an in-depth article |
| Cost per organic session over 12 months | Total cost of the content / cumulative organic sessions | €0.05 to 0.30, against €0.50 to 2 in advertising |
| Cost per lead from content | Total cost / attributed and assisted leads | €40 to 150 in B2B |
| Share of high-performing content | Content producing 80% of the traffic / total | 15 to 25% |
| Content to update | Pages with falling traffic over 6 months | 20 to 30% of the catalogue each year |
Judging a piece of content at the right time
- At 30 days: indexing, first impressions, engagement of the first readers (coming from social media or email). No decision on organic traffic.
- At 90 days: rankings and impressions in Search Console, queries captured, engagement. Decision: optimise the title and the structure if impressions exist without clicks, expand the content if rankings stay beyond 20.
- At 6 months: traffic, direct and assisted conversions, the move to the commercial pages. Decision: promote, merge or rewrite.
- At 12 months: cost per session and per lead, trend; update if traffic falls by more than 20% over two quarters.
Building the dashboard
Three sources are enough: Search Console for visibility (by page and by query), GA4 for audience, engagement and conversions (with a custom dimension “content type” or a content grouping), and an AI citation tracking tool. Consolidation is done by piece of content and by topic cluster, with the publication and last update dates so that each piece is read at its own age. The production schedule is tracked separately; see the editorial calendar. A content dashboard is read monthly for engagement, quarterly for visibility and conversions.
How GreenRed helps
Rather than juggling several tools, GreenRed's AI Writer brings these metrics together in a single dashboard, compares them over time and tells you which actions come first. You can try it free, with no card, from the Pricing.
Frequently asked questions
What are the main KPIs of a content strategy?
By stage: impressions, rankings and citations by the AI engines (visibility); organic sessions and new visitors (audience); engagement rate, duration and reading depth (engagement); direct and assisted leads, the move to the commercial pages (conversion); cost per session and per lead (efficiency).
After how long should you judge a piece of content?
Visibility at 90 days, conversions at 6 months, efficiency at 12 months. Well-ranked content takes 3 to 6 months to reach its traffic; judging it weekly leads to dropping content that would have worked.
How do you measure the conversions that come from content?
With the GA4 key events triggered from the content pages (sign-up, download, contact), the assisted conversions in the attribution reports, the share of readers who then visit an offer or pricing page, and the origin source of leads in the CRM through to signature.
Should you track citations by ChatGPT and AI Overviews?
Yes: in 2026, a growing share of searches goes through the AI engines, and content cited there gains visibility that Search Console does not show. Tracking is done with a dedicated tool or through regular tests on the key queries, and is read quarterly.
Is the bounce rate a content KPI?
No. A reader who reads an article in full then leaves the site is a success. The engagement rate, the engagement time and the reading depth in GA4 describe real reading; bounce only describes a single-page session.