What powers 
cas.cn?
Last seen Oct 2026 · 79 technologies across 21 categories
A/B Testing
Advertising
Analytics
CDN
Databases
Editors
Font scripts
JavaScript Frameworks
JavaScript graphics
JavaScript libraries
Message boards
Miscellaneous
Operating systems
Programming languages
Rich text editors
Security
UI frameworks
Video players
Web Frameworks
Web servers
Widgets
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| xie jianping | #51 | 420 |
| xiangjiao | #5 | 10 |
| steven g louie | #7 | 7 |
| xiao-fan wang | #8 | 1 |
| zhong lin wang | #49 | 1 |
| t-box | #75 | 1 |
| applied soil ecology | #88 | 1 |
| steven louie | #19 | 1 |
| lamin a/c | #71 | 1 |
| wwox | #57 | 0 |
| beta-arrestin 2 | #69 | 0 |
| cooprant | #46 | 0 |
| syky | #60 | 0 |
| syky | #58 | 0 |
| swshs | #78 | 0 |
| ucas china | #86 | 0 |
| wenfang sun | #52 | 0 |
| what is beta-arrestin | #95 | 0 |
| r lawrence edwards | #18 | 0 |
| ric seq | #51 | 0 |
| rhizome with root kava | #88 | 0 |
| sang-wook cheong | #42 | 0 |
| scmmo | #33 | 0 |
| samtor | #63 | 0 |
| smarca4/brg1 | #67 | 0 |
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
China
Pakistan
United States
Japan
Hong Kong SAR China
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
8.26 / 10 · ranked #4,355 of all domains
4,857 referring domains · OpenPageRank
Search traffic
450 est. monthly organic visits (US)
64 keywords in Google's top 30
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0.25 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Chinese (China)
- Weight: 18.6 MB · 48 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Similar sites
guizhou.gov.cn 5 sharedchina.com.cn 4 shared
xinmin.cn 3 shared
b.io 3 shared
hainan.gov.cn 3 shared
sc.gov.cn 3 shared
ccnu.edu.cn 3 shared
4399.com 3 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- Chinese Academy of Sciences
- Founded: 1949
- Country: People's Republic of China
From Wikidata (CC0).
Infrastructure
- Hosted on CSTNET-AS-AP - Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) (159.226.242.61, IPv6)
- DNS: cstnet.cn
- Email: cstnet.cn
- Email security: SPF (hard fail), DMARC quarantine
- SSL: China Financial Certification Authority, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 7,047, 1,125 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| bulletin.cas.cn | 19 |
| international-talent.cas.cn | 15 |
| pifi.cas.cn | 14 |
| www.bulletin.cas.cn | 14 |
| english.siat.cas.cn | 10 |
| www.qibebt.cas.cn | 10 |
| ynao.cas.cn | 10 |
| english.shanghaipasteur.cas.cn | 9 |
| journals.cas.cn | 9 |
| shao.cas.cn | 9 |
| english.qibebt.cas.cn | 8 |
| english.siom.cas.cn | 8 |
| nwipb.cas.cn | 8 |
| samp.cas.cn | 8 |
| www.nwipb.cas.cn | 8 |
| www.shao.cas.cn | 8 |
| csmpg.gyig.cas.cn | 7 |
| csu.cas.cn | 7 |
| english.gibh.cas.cn | 7 |
| english.giec.cas.cn | 7 |
| english.iue.cas.cn | 7 |
| english.nao.cas.cn | 7 |
| english.nwipb.cas.cn | 7 |
| english.siii.cas.cn | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Isotope Oct 2026