SEO

Ranking factor

Also known as: Ranking signal, Ranking factor, SEO factor

A ranking factor is a signal that search engines include when calculating the position of a search result. Google itself names broad categories — relevance, quality, user experience, location, freshness — but deliberately does not release a complete list or weighting, because doing so would invite manipulation. SEO studies (Backlinko, Semrush, Searchmetrics) estimate the main factors through correlation analyses, without any claim to completeness.

The most important confirmed ranking factors

What Google explicitly denies as a ranking factor

Google has publicly clarified: (1) Domain Authority/Domain Rating are not Google signals (they are third-party metrics). (2) Bounce rate and dwell time are not direct ranking factors (engagement signals are measured differently). (3) Social signals (likes, shares) are not a direct factor. (4) The number of indexed pages is not a factor — quality per page is what counts.

Priorities for 2026

With the roll-out of AI Overviews and the growth of AI search, the emphasis among factors is shifting: citability structure (clear H2s, compact answers, Schema.org markup with sameAs) is becoming a GEO factor in its own right, gaining importance alongside classic SEO. Brand building is growing stronger: brands represented in the training data of LLMs are cited disproportionately often. Backlinks remain important, but thematic depth and brand trust take precedence over pure domain strength.

Example from practice

Example: A domain with DR 35 and three years of brand consistency ranks in position 4 for a money keyword, while a competitor domain with DR 62 but no brand profile and thin content struggles in position 19. A classic picture: DR/DA are signals, but quality, brand and intent match beat pure backlink strength. Anyone relying solely on DR growth in 2026 is ignoring the most important ranking factors.

Frequently asked questions

What is a ranking factor?
A ranking factor is a signal that Google uses to assess the order of search results. Google speaks of more than 200 factors but does not publish the details. The most important groups: content quality, backlinks, user experience, technical SEO, trust signals (E-E-A-T).
Which ranking factors are confirmed?
Few directly. Google confirms: HTTPS, mobile-friendliness, Core Web Vitals, content quality, backlinks as a signal, language/region. Many others are assumptions drawn from correlation studies. Best practice: focus on the confirmed factors.
Are click signals a ranking factor?
Disputed and indirect. Google denies using CTR directly as a ranking signal, but internal systems (Navboost) do use aggregated click signals to assess quality. In practice: a CTR that stays below average over a long period can trigger a drop in rankings.
Do ranking factors change?
Yes, continuously. Google rolls out updates monthly, with larger ”core updates” three to four times a year. New signals are added (Core Web Vitals in 2021, E-E-A-T in 2022, Helpful Content in 2022) while older ones lose weight. Anyone following only one particular list of factors will fall out of date quickly.

Used in Rankmio for

Ranking factor audit per page

Go to the feature →

Last updated: 2026-06-17  ·  Browse all glossary entries

Free SEO & GEO Check

SEO score, AI visibility and citability of your website in 30 seconds — no registration required.

Check for free now

Ready to optimize your website?

Register for free, get 10 credits and start right away.

Register now