Content Score is a value from 0 to 100 that reflects how well your content is optimized for both traditional search engines and AI-powered search. It gives you an overall sense of your optimization level and how much work remains.
Content Score is a combined metric built from two components:
SEO Score — how well your content aligns with traditional search ranking factors: keyword usage, topical coverage, structure, and alignment with top-performing pages for your target query.
AI Search Score — how well your content is structured and written for AI-powered search experiences, based on Facts Coverage and Upfront Intent Alignment.
Both scores update in real time as you write.
Below 33 — your content is not optimized enough. You likely need to expand your content and cover more relevant terms and topics.
33–66 — your content is reasonably well optimized. Most of the foundational work is done, but there's still room to improve.
Over 66 — your content is ready to compete. Aiming higher is fine, but anything above 66 indicates solid optimization.
To increase the Content Score, follow the advice from the guidelines, especially:
Use prominent terms in headings, not just in body copy
Avoid over-optimizing any single suggested term
Add images with relevant alternative text
Cover the Facts relevant to your topic
Answer the user's primary question clearly and early in the content
SEO Score measures how well your content is optimized for traditional search engines. Unlike tools that overemphasize surface-level signals like word count or keyword repetition, Surfer's algorithm focuses on the quality and natural use of relevant terms.
This means:
We prioritize meaningful, high-impact terms — those that appear consistently across top-performing pages for your target query.
How those terms are used in context matters more than how often they appear.
Structural elements like word count, number of headings, and images still contribute, but they're not the primary drivers.
This reflects how search engines evaluate content: not just by length or keyword density, but by how well it satisfies search intent and delivers value through relevant language.
By focusing on these semantic signals, SEO Score gives you a clearer picture of whether your content can realistically compete with top-ranking pages.
AI Search Score measures how well your content is optimized for AI-powered search experiences — where AI systems need to understand, extract, and present your content in generated answers.
It's based on two components:
Facts Coverage measures how comprehensively your content addresses the facts, entities, concepts, and information commonly included in AI-generated responses for your topic. The more relevant Facts your content covers, the better your content is positioned to appear in AI-generated answers.
Upfront Intent Alignment measures how effectively your content answers the user's primary question early in the page — clearly establishing what the content is about, who it is for, and why it matters. AI systems favor content that is direct and unambiguous from the start.
If your score isn't updating despite following the guidelines, there are three likely causes:
1. Your selected competitors come from fewer than 3 different domains. Surfer needs at least 3 distinct domains to calculate scores.
Selecting 3 pages from the same competitor doesn't count as 3 domains. This can happen with branded keywords (e.g., "Nike running shoes" or "Surfer SEO review"), where results tend to cluster around a small number of domains.
2. The SERPs are dominated by pages Surfer can't crawl. The most common example is when top results are PDF files.
3. Your Content Editor was created before July 2020. Content Score was introduced in July 2020, so older editors will show a score of 0. Create a new Content Editor for the same keyword to get an accurate result.
Read more about Content Score »
Why is the score different between Content Editor and Audit? »
