On-page SEO encompasses every ranking signal that lives directly within a page: the title tag, meta description, H1–H6 heading hierarchy, body content, image alt attributes, URL structure, internal link context, schema markup, and Core Web Vitals performance metrics. It's the foundation of organic visibility — external links amplify a page's authority, but on-page signals determine what that page is relevant for.

The most overlooked on-page factor in modern SEO is entity coverage. Google's Knowledge Graph connects real-world objects — people, places, organisations, products, concepts — and uses their co-occurrence and relationship density to understand what a document is about. A page that thoroughly covers the entities semantically related to a query is judged more topically authoritative than one that keyword-stuffs the primary term while ignoring related concepts.

Intent alignment is equally critical. A page can have perfect keyword density, fast load times, and strong backlinks, yet still rank poorly if its content format doesn't match the search intent Google infers for the target query. If the top 10 results for your keyword are all step-by-step how-to guides, a marketing landing page will not rank — Google has determined that informational intent dominates that SERP.

Schema markup (structured data) communicates explicit facts to Google's crawlers in a machine-readable format. FAQPage schema can trigger rich results with expandable questions directly in the SERP. Product schema adds price, availability and rating stars. Article schema establishes authorship and publication date for E-E-A-T signals. Each schema type provides additional ranking signals and can unlock SERP feature eligibility that organic content alone cannot achieve.

Our page analysis tools automate the core audit workflow: crawl a URL, compare on-page signals and entity coverage against competitor pages, flag missing or weak topic coverage, and produce a prioritised list of improvements ranked by likely SEO impact.

Frequently Asked Questions

What is on-page SEO?

On-page SEO is the optimisation of every element directly on a web page that influences its ranking: the title tag, meta description, heading structure (H1–H6), body content depth and quality, image alt text, URL slug, page load speed, Core Web Vitals, internal link anchor text, and structured data markup. Unlike off-page SEO (backlinks, brand mentions), on-page factors are fully within your control and can be changed without external dependencies.

What are entities in SEO and why do they matter?

Entities are real-world objects, concepts, or named things that Google recognises and connects in its Knowledge Graph: specific people, places, organisations, products, events, or abstract concepts. Google's understanding of a page's topic is built partly by detecting which entities it mentions and how they relate to each other. A page covering "espresso machines" that also mentions relevant entities (barista, crema, portafilter, extraction time, espresso grind) signals deeper topical coverage than one that repeats the primary keyword without the semantic context.

How do I check if my page matches search intent?

Examine the top 10 organic results for your target keyword and note three dimensions: (1) Content type — is it mostly articles, product pages, category pages, or tools? (2) Content format — guides, lists, reviews, comparisons, or tutorials? (3) Content angle — beginner-friendly, expert-level, price-focused, or brand-neutral? Your page needs to match the dominant signals across all three dimensions. If 8 of the top 10 are listicles and yours is a long-form essay, Google will not rank it regardless of quality.

What schema markup types are most valuable for SEO?

The highest-impact schema types are: FAQPage (triggers expandable questions in SERPs, increases visual footprint), Article/BlogPosting (establishes authorship and publication date for E-E-A-T), Product (adds price, availability, and star ratings to shopping results), HowTo (can trigger step-by-step rich results for instructional content), and BreadcrumbList (improves URL display in SERPs). Each type must be implemented correctly and match the visible page content — Google penalises schema that misrepresents page content.

How important are Core Web Vitals for rankings?

Core Web Vitals (LCP, INP, CLS) are a confirmed Google ranking factor as part of the Page Experience signal, introduced in 2021. In practice, their ranking weight is moderate — content relevance and authority still dominate. However, failing CWV thresholds (LCP above 4s, CLS above 0.25) can suppress pages in competitive SERPs where all other signals are equal. More importantly, poor CWV directly increases bounce rate and reduces dwell time, which are indirect quality signals that affect rankings through user behaviour data.