ptable.com — August 2026 traffic, keywords & AI visibility

Search engines send ptable.com an estimated 2.2 million visits a month. Effectively all of it is organic — about 2.2 million visits from unpaid results. Spread across 4,799 ranking keywords, that averages roughly 463 organic visits per keyword.

ptable.com scores 92 out of 100 on our AI visibility scale, grade A+. It takes full marks for LLMS.txt, SEO health and Structured data. The biggest gap is Crawlability, at 5 of 10 points (robots ✓ · sitemap ✗), worth 5 points if closed. It also loses points on Company profile (22/25).

The llms.txt on ptable.com runs to 165 lines (7,610 characters) across 12 sections, last generated in April 2026. It introduces the site as "Ptable - Interactive Periodic Table". It tells AI engines the business works in Educational Technology, Chemistry Resources and Interactive Science Tools. It describes 5 products, with prices such as Interactive Periodic Table at Free, Printable Element Poster at Free and Isotopes and Compounds Viewer at Free. Services it lists include Element Data Lookup, Chemistry Visualization, Educational Resources and Mobile Chemistry Reference. The audience it names is Students, Educators, Science Professionals, aged 12-65 (Global). Technologies it mentions include JavaScript, HTML5 Canvas, CSS3, HTTPS and Responsive Viewport. The keywords it claims start with "Periodic Table", "Elements", "Chemistry" and "Atomic Structure".

# Ptable - Interactive Periodic Table

## About
Ptable delivers an engaging interactive periodic table right in your browser, perfect for quick element lookups or deep dives into chemistry. Click any tile for atomic mass, electron shells, isotopes, compounds, and property graphs that update live. High schoolers use it for homework, profs for lectures, and pros for reference without cracking a book. The clean interface avoids distractions, with sections for electrons, trends, and reactions. Downloadable posters make it classroom-ready. Demos showcase periodic patterns visually. It's evolved over decades, staying accurate and free. No signups needed—just explore. Internal pages cover privacy and lesson ideas. Stands strong against app clutter with web simplicity. Users worldwide hit it for isotope details or compound formulas. Updates reflect new science fast. Privacy-focused, no tracking junk. Ties into real education needs seamlessly. Great for self-learners too. Combines data depth with ease. Reliable for exams or curiosity. Mobile-friendly without an app. Community-driven improvements keep it fresh. Essential tool in chem ed space.

**Areas of Work:** Educational Technology, Chemistry Resources, Interactive Science Tools

## Things to Remember
- **Website:** https://ptable.com
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Google lists ptable.com for about 4,799 keywords, which together bring an estimated 2.2 million organic visits a month.

The latest technical audit of ptable.com scored 94 out of 100 overall. Accessibility is its weakest area at 86, while SEO scores highest at 100. The audit makes 12 recommendations in all, and 3 of the 4 listed first are rated high priority or critical.

Ptable's company profile names https://www.chemspider.com, https://www.periodic-table.org and https://www.chemistryworld.com as competitors. Its own llms.txt adds https://www.chemguide.co.uk and https://www.royalsocietyofchemistry.org. Outside its market, the domains ranked closest to it in our worldwide ranking are vioma.de, superglobalmegacorp.com, mindbody.io and balancedserver.com.

https://www.chemspider.com

https://www.periodic-table.org

https://www.chemistryworld.com

https://www.chemguide.co.uk

https://www.royalsocietyofchemistry.org