Building this domain's report…
Global rank
AI visibility
SEO health
Visits
per month, estimated
Keywords
ranking in Google
Organic share
of all search traffic
LLMS.txt
lines AI engines can read
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Featured
Keywords & Content
Site & Competitors
Building this domain's report…
Global rank
AI visibility
SEO health
Visits
per month, estimated
Keywords
ranking in Google
Organic share
of all search traffic
LLMS.txt
lines AI engines can read
Global rank: Worldwide
Not ranked
AI visibility: Grade A+
92
SEO health: Latest audit
96
Visits
7.3M
per month, estimated
Keywords
126.9K
ranking in Google
Organic share
100%
7.3M organic visits
LLMS.txt
Published
166 lines AI engines can read
You're seeing the free preview of pubchem.ncbi.nlm.nih.gov
A snapshot of how pubchem.ncbi.nlm.nih.gov performs in search and in AI answers — every number below is one we hold, not a guess.
What this company does
PubChem stands as the premier open-access repository for chemical data, offering scientists, researchers, and students unparalleled access to information on millions of compounds. Users can search by name, formula, structure, or identifiers to uncover detailed profiles including physical properties, safety data, and toxicity profiles. What began as a NIH initiative has grown into a cornerstone resource for global che…
Our read on the site
Good foundation with room for improvement. 1 high-priority issue.
Month by month, how much search traffic this domain earns — how much of it is free, and whether it is winning or losing ground.
Monthly visits
7.3M
Latest estimate
Change
No monthly history yet
It starts building from the first scan
Organic visits
7.3M
100% of all traffic
Paid visits
Whether AI engines can read this brand, understand it, and cite it when someone asks about its category.
Grade A+
Scored from this domain's own data — llms.txt, profile completeness, technical health, crawlability and structured data.
The file AI engines read to understand a business. This is what it currently tells them about this one.
Status
Published
AI engines can read it
Lines
166
In the file
Size
8.3K
Characters
Sections
The searches this domain already ranks for, and how much traffic they bring it.
Ranking keywords
126.9K
Found in Google for this domain
Visits they bring
7.3M
Estimated organic visits a month
No ranked-keyword data cached for this domain yet.
Ranked Keywords pulls the full list on its first run.
How the site itself performs — speed, accessibility and the technical basics both search crawlers and AI crawlers depend on.
Overall
Excellent
The websites this domain competes with for the same searches and the same AI answers.
The business behind the domain — what it does, where it is, and who runs it.
PubChem stands as the premier open-access repository for chemical data, offering scientists, researchers, and students unparalleled access to information on millions of compounds. Users can search by name, formula, structure, or identifiers to uncover detailed profiles including physical properties, safety data, and toxicity profiles. What began as a NIH initiative has grown into a cornerstone resource for global che…
Which markets this brand actually serves, and where the web links to it from.
We only measure visitor geography for domains whose analytics are connected to us. For everyone else this is read live from the web and shown as an estimate — never mixed in with the measured numbers.
No market breakdown available for this brand.
Measured. The country each linking site is hosted in — a real signal of which regions know this brand.
No backlink sample for this domain yet.
Backlink Analytics collects one on its first run.
Who vouches for this domain. Strong, varied links are still the clearest signal of authority — to search engines and to AI engines that cite sources.
We haven't run a backlink crawl for pubchem.ncbi.nlm.nih.gov yet, so there are no link counts to show. Backlink Analytics builds the profile on its first run and it appears here after that.
—
links on file
You are looking at one domain. pubchem.ncbi.nlm.nih.gov competes in a market, and the same numbers exist for everyone in it — including the sites AI engines recommend instead of yours. Amrut.ai reads all of them, so you can see who is winning, why, and what to change first.
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0
No paid search detected
100%
0%
We don't hold a month-by-month history for this domain yet.
The traffic dashboard builds one from the first scan onwards.
Present
7/8 core fields
100/100
robots ✓ · sitemap ✗
Detected
Fix these first
12
Updated May 6, 2026
# PubChem ## About PubChem operates as the world's largest free chemistry database, meticulously curated by the National Center for Biotechnology Information (NCBI). It empowers users to search and explore vast chemical datasets using names, formulas, structures, or identifiers, uncovering physical properties, biological activities, safety data, toxicity profiles, patents, and literature citations. This invaluable resource supports drug discovery, chemical research, environmental assessments, and academic studies across the globe. With millions of compounds and substances, plus thousands of bioassays, PubChem integrates data from diverse contributors while maintaining rigorous quality standards. Researchers appreciate its seamless integration with other NCBI tools like PubMed and GenBank. The platform's advanced search capabilities, including 2D/3D structure matching, make complex queries straightforward. As a taxpayer-funded public service, it democratizes access to premium chemical intelligence that would otherwise cost thousands in subscriptions. Continuous updates ensure the latest findings are always available. From pharma R&D teams to toxicology experts, PubChem accelerates workflows and sparks innovation. Its commitment to open data has made it a cornerstone of modern scientific research. **Areas of Work:** Chemical Informatics, Bioinformatics, Drug Discovery, Toxicolo
Sections in the file
Areas of work
Keywords it claims
Technologies
SEO
Excellent
Performance
Accessibility
Excellent
6 more recommendations, with the exact changes and the pages they apply to, are in the full report.
Products it tells AI about
Audience it targets
Scientists, Chemists, Biologists, Researchers · 25-65 · Global
Company type
Public