Analyze SEO score with recommendations for keywords, headers, and meta tags. Part of the DevTools Surf developer suite. Browse more tools in the Web / Frontend collection.
Use Cases
Audit a landing page for on-page SEO issues before launching a paid campaign.
Compare SEO scores between your page and a competitor's page for the same target keyword.
Generate a pre-publication checklist for new blog posts or documentation pages.
Identify which pages in a site are missing meta descriptions or have duplicate title tags.
Tips
Check title tag length first — over 60 characters gets truncated in most SERPs, reducing click-through rate measurably.
Verify that the primary keyword appears in the H1, the first paragraph, and the meta description — not just buried in body text.
Core Web Vitals (LCP, INP, CLS) are ranking signals since 2021 — include performance metrics alongside content analysis.
Fun Facts
Google processes approximately 8.5 billion searches per day as of 2023, making SEO decisions that affect even fractions of a percent of organic traffic commercially significant.
Google's Panda algorithm update (2011) was the first major algorithm change targeting content quality — it penalized thin, low-quality content and shifted SEO focus from link manipulation to content quality.
Only 0.63% of Google searchers click on a result from page 2, according to a 2022 Backlinko analysis of 4 million Google search results — page 1 ranking is effectively a binary outcome.
FAQ
What is the most important on-page SEO factor?
Content relevance and quality are consistently ranked highest by Google's own guidance. Technically: unique, helpful content matching search intent outweighs any single technical optimization.
How long should a title tag be?
50–60 characters is the target range. Google truncates titles at approximately 600px width, which corresponds to roughly 60 characters in a typical font. Put the primary keyword near the front.