What powers 
meddra.org?
Last seen Aug 2026 · 37 technologies across 18 categories
Analytics
CDN
Documentation
Font scripts
JavaScript Frameworks
JavaScript libraries
Load balancers
Miscellaneous
Operating systems
PaaS
Programming languages
Search engines
Security
UI frameworks
Web frameworks
Web Servers
Webmail
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| meddra | #1 | 400 |
| smq | #1 | 220 |
| med ra | #1 | 43 |
| blue ribbon panels | #2 | 42 |
| medical dictionary | #18 | 40 |
| phrma | #15 | 28 |
| meddra log in | #3 | 25 |
| latest meddra version | #2 | 23 |
| current version of meddra | #2 | 23 |
| msso meddra | #1 | 21 |
| medical dictionary for regulatory activities meddra | #1 | 21 |
| meddra version | #1 | 21 |
| meddra term | #1 | 21 |
| meddra socs | #1 | 21 |
| soc medical abbreviation | #9 | 20 |
| list of meddra preferred terms | #1 | 15 |
| meddra coder certification | #1 | 12 |
| soc meddra | #2 | 11 |
| meddra versions | #2 | 11 |
| msso meddra | #3 | 7 |
| meddra version | #3 | 7 |
| meddra socs | #3 | 7 |
| mhra | #20 | 7 |
| mhlw | #6 | 7 |
| blue ribbon panel | #5 | 5 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
United States
South Korea
India
Brazil
United Kingdom
Mexico
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.09 / 10 · ranked #103,676 of all domains
238 referring domains · OpenPageRank
Search traffic
1,200 est. monthly organic visits (US)
421 keywords in Google's top 30
Core Web Vitals
| LCP | 2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.1 MB · 5 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Rackspace (174.143.96.25)
- DNS: Network Solutions
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record
- SSL: GoDaddy, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 427,274, 21 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ssa.meddra.org | 17 |
| www.meddra.org | 16 |
| manage.meddra.org | 9 |
| alt.meddra.org | 8 |
| mvatd.meddra.org | 8 |
| id.meddra.org | 7 |
| mid.meddra.org | 7 |
| tmlabd.meddra.org | 7 |
| toolsd.meddra.org | 7 |
| tools.meddra.org | 5 |
| translation.meddra.org | 2 |