cathdb.info — August 2026 traffic, keywords & AI visibility

cathdb.info draws an estimated 2,599 visits a month from search engines. Effectively all of it is organic — about 2,599 visits from unpaid results. Spread across 46 ranking keywords, that averages roughly 57 organic visits per keyword.

On our AI visibility scale cathdb.info earns 59 of 100 points, a grade D. It takes full marks for LLMS.txt. The biggest gap is SEO health, at 0 of 20 points (0/100), worth 20 points if closed. It also loses points on Crawlability (0/10), Company profile (19/25) and Structured data (0/5).

The llms.txt on cathdb.info runs to 75 lines (3,905 characters) across 12 sections, last generated in May 2026. It introduces the site as "CathDB - Protein Domain Classification". It tells AI engines the business works in Bioinformatics, Scientific Databases and Protein Structure Analysis. It describes 3 products, with prices such as CathDB Core Access at Free tier available and CathDB Premium at $49/month. Services it lists include Custom Classification Consulting, Training Workshops and Data Export Support. Technologies it mentions include HTTPS. The keywords it claims start with "cathdb database", "cathdb features", "cathdb tutorials" and "cathdb updates".

# CathDB - Protein Domain Classification

## About
CathDB serves as a specialized resource for classifying protein domains based on structural similarities. Researchers rely on it to explore evolutionary relationships and functional annotations across thousands of protein structures. The platform offers detailed hierarchies that break down complex folds into manageable classes, architectures, topologies, and homologous superfamilies. Users access tutorials and case studies that show practical applications in drug discovery and enzyme engineering. Integration options allow labs to connect CathDB data directly into their existing pipelines without heavy custom coding. Community features encourage sharing of new annotations and feedback on classification accuracy. Regular updates keep the database aligned with the latest entries from major structure repositories. FAQs cover common questions around querying methods and data export formats. Benefits include faster insight generation compared to manual curation approaches. Beginners find the user guide helpful for navigating the interface and running basic searches. Advanced users leverage the API for bulk downloads and automated analysis scripts. Troubleshooting resources address issues like slow queries or mismatched domain boundaries. Data management tools help teams organize their own structure collections alongside public record

Google lists cathdb.info for about 46 keywords, which together bring an estimated 2,599 organic visits a month.

The latest technical audit of cathdb.info scored 0 out of 100 overall. The audit makes 12 recommendations in all, and 4 of the 4 listed first are rated high priority or critical.

CathDB's company profile names https://www.rcsb.org, https://www.uniprot.org, https://www.ebi.ac.uk and https://www.ncbi.nlm.nih.gov as competitors. Its own llms.txt adds https://www.wwpdb.org and https://scop.berkeley.edu. Outside its market, the domains ranked closest to it in our worldwide ranking are hockeymonkey.com, aula.edu.pe, arianespace.com and awsdns-cn-18.net.

https://www.rcsb.org

https://www.uniprot.org

https://www.ebi.ac.uk

https://www.ncbi.nlm.nih.gov

https://www.wwpdb.org

https://scop.berkeley.edu