cos.io website report
At the Center for Open Science, our mission is to increase openness, integrity, and reproducibility of scholarly research. Promoting these practices within the research funding and publishing communities accelerates scientific progress
Cos was registered 13 years 3 months ago, is ranked #63,039 worldwide (top 2%), has an estimated value of $35,018. It may earn around $2,908 per month from advertising.
Science English Cloudflare
Last updated
Key facts about cos.io
- Domain
- cos.io
- Website name
- Center for Open Science
- Category
- Science
- Estimated worth
- $35,018
- Global rank
- #63,039 (top 2% of 3.3M ranked sites)
- Monthly visitors (est.)
- 30K · 1.5M page views
- Registered
- June 25, 2013 (13 years 3 months ago)
- Expires
- June 25, 2026
- Registrar
- NameCheap, Inc.
- Server location
Mountain View, United States- Network
- Merit Network
- CDN
- Cloudflare
- Email provider
- Google Workspace
- Language
- English
- Data updated
Estimated traffic & revenue
| Page views | Visitors | Ad revenue | |
|---|---|---|---|
| Daily | 50,796 | 1,016 | $97 |
| Monthly | 1,523,870 | 30,477 | $2,908 |
| Yearly | 18,286,440 | 365,724 | $34,896 |
Modelled from the global rank — not measured analytics. Use them to compare sites, not as exact figures.
How we estimate cos.io's value
The estimate is the higher of two independent approaches, both computed automatically from public data.
- Traffic value: $35,018Driven by the global rank #63,039 (≈1.5M page views / month) plus a capped age bonus.
- Activity value: $1,426Domain age plus observable signs of an active, professionally run website.
Activity signals found
| Domain age (13 years 3 months) | $225 |
| Active website with metadata | +$150 |
| Substantial homepage content | +$150 |
| Professional email (Google Workspace) | +$150 |
| Email authentication (SPF) | +$50 |
| CDN / performance layer (Cloudflare) | +$100 |
| Business services (Apple, Google Workspace, Mailchimp, Mailgun) | +$400 |
| Security headers (67/100) | +$201 |
Revenue, sales or private analytics are not public and are not included. This is not an appraisal or a sale price.
On-page SEO
| Title | Center for Open Science 23 chars |
|---|---|
| Meta description | At the Center for Open Science, our mission is to increase openness, integrity, and reproducibility of scholarly research. Promoting these practices within the research funding and publishing communities accelerates scientific progress 235 chars |
| Meta keywords | None |
| Language | English |
| Response time | 0.59 s Fast |
Homepage structure
Exactly one H1 heading — good practice.
Technology & infrastructure
| CDN / proxy | Cloudflare |
|---|---|
| Web server | nginx |
| Platform / language | Not disclosed |
| DNS provider | Google Domains |
| Email provider | Google Workspace |
| SPF record | v=spf1 include:_spf.google.com include:_spf.intacct.com include:servers.mcsv.net include:sendgrid.net ip4:192.254.126.246 ip4:208.117.50.171 ip4:50.31.44.75 ip4:192.254.123.144 ip4:69.72.47.212 include:_spf.salesforce.com ip4:38.108.186.0/24 ip4:199.87.209.0/24 ip4:4.53.200.128/26 ip4:52.62.199.66 i |
| IPv6 (AAAA) | No |
| CAA record | No |
Services verified in DNS
Apple Google Search Console Google Workspace Mailchimp Mailgun Microsoft 365 Salesforce SendGrid Slack
Detected from TXT verification and SPF records published by the domain owner.
Domain name
| Extension | .io — the country code of the British Indian Ocean Territory, widely used by tech start-ups |
|---|---|
| Name length | 3 characters Short |
| Hyphens / digits | No hyphen · no digits |
Security headers
Collected with an older method; a fresh check is running and will appear on your next visit.
- HTTPSThe homepage is served over an encrypted HTTPS connection.
- Strict-Transport-Security (HSTS)max-age 365 days.
- Content-Security-PolicyPresent (1 directives).
- Clickjacking protectionNeither X-Frame-Options nor CSP frame-ancestors is set.
- X-Content-Type-OptionsNot set to nosniff.
- Referrer-Policyno-referrer-when-downgrade
- Permissions-PolicyNot set: browser features are not explicitly restricted.
- Cookie flags4 cookie(s) set; __cf_bm (no Secure/SameSite), _cfuvid (no Secure/SameSite), __cf_bm (no SameSite).
- Software version disclosureNo software version numbers disclosed in headers.
Raw HTTP response headers
HTTP/1.0 301 Moved Permanently
Server: nginx, cloudflare, cloudflare
Date: Sat, 07 Mar 2026 23:34:20 GMT, Sat, 07 Mar 2026 23:34:20 GMT, Sat, 07 Mar 2026 23:34:20 GMT
Content-Type: text/html, text/html; charset=UTF-8
Content-Length: 178, 0
Location: http://www.cos.io/, https://www.cos.io/
Via: 1.1 google
HTTP/1.1 301 Moved Permanently
Connection: close, close
CF-RAY: 9d8d690bbaa16f84-CDG, 9d8d690c9a438b21-CDG
Cache-Control: s-maxage=3600,max-age=120, s-maxage=36000, max-age=5
X-Hs-Https-Only: worker
x-hs-cfworker-meta: {"resolver":"HttpsRedirectResolver"}, {"contentType":"SITE_PAGE","resolver":"PreRenderedContentResolver"}
x-hs-portal-id: 6723653, 6723653
Set-Cookie: __cf_bm=Xofqv8LYczW9EIT.mjvFWua7sx0KipHxhHRov_HXLX8-1772926460-1.0.1.1-.eySn0qbNp.txKmM8.ZYXAH3.ioQxP7tttCTom4U58sdRK2kbL5_RSHM.RVXcuxfUcMcNtrguj.vnI5V9888wKzXPplGYloIez8dTyRKLbQ; path=/; expires=Sun, 08-Mar-26 00:04:20 GMT; domain=.www.cos.io; HttpOnly, _cfuvid=UKLHAK5ZBO1ibw9mVd3miDCWuzCnxwaRgsyPu5joIc8-1772926460769-0.0.1.1-604800000; path=/; domain=.www.cos.io; HttpOnly, __cf_bm=AYzWCTCw56HFFZmknT27JBZev4M.QJSrHgHlgF7uYPA-1772926460-1.0.1.1-PmYYHd61ASqxAJ5QOnXNRIYjmG1wT3ntpBbEy8AFt_GVSuIwUJgzn_XitaUKq8m9VIa.VrKwkH470PeP.n4snEcY5NrLESqzEL9JBSLFatc; path=/; expires=Sun, 08-Mar-26 00:04:20 GMT; domain=.www.cos.io; HttpOnly; Secure, _cfuvid=9weWyJ9sK6ZLXgOPjyVX5Sbs9G3pLzT50.4mU3M0q10-1772926460916-0.0.1.1-604800000; path=/; domain=.www.cos.io; HttpOnly; Secure; SameSite=None
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=TvTQQwXOVL1ygPjqGvTSvhlMIY1pCw%2FqravQqA9PTYgjLgtuWjtoTUxgni5jwSIUA3GQU3GGgyB%2FE8QfvJHRKlwa9stHUypwAZNsiRl46PQ%2F2uMeiHIBMaWuY7G5gcNJYUHuRqWQU3E%3D"}],"group":"cf-nel","max_age":604800}, {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=P7lYQ0eDpMUz3ryfbqu9SlC%2Bz9JBuRJI3LYP3MSdPGs1s%2F2TixmMO6xWKUSsxFLihB63nM1COEYlxiKlVYoK6w46Lbi24tFVEpuhMhCmlq1LB%2BXnB3chunIv3%2B844rRFRr1HnlWlbnQ%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}, {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400, h3=":443"; ma=86400
HTTP/1.1 200 OK
Last-Modified: Sat, 07 Mar 2026 06:07:22 GMT
Link: </hs/hsstatic/jquery-libs/static-1.1/jquery/jquery-1.7.1.js>; rel=preload; as=script,<https://www.cos.io/hubfs/hub_generated/module_assets/1/24498227976/1741443708287/module_Site_Search_Input_-_Cos_2020.min.css>; rel=preload; as=style,<https://www.cos.io/hubfs/hub_generated/module_assets/1/65682193073/1741443859204/module_Hero_Section_With_Features.min.css>; rel=preload; as=style,<https://kit.fontawesome.com/01f3d9f0c0.js>; rel=preload; as=script,<//7052064.fs1.hubspotusercontent-na1.net/hubfs/7052064/hub_generated/template_assets/DEFAULT_ASSET/1772827163091/template_layout.min.css>; rel=preload; as=style,<https://www.cos.io/hubfs/hub_generated/template_assets/1/24499218053/1772076860721/template_style.css>; rel=preload; as=style
Strict-Transport-Security: max-age=31536000
Content-Security-Policy: upgrade-insecure-requests
Edge-Cache-Tag: CT-28840293718,P-6723653,L-110955333739,L-110955928358,L-24588201223,W-110954594060,W-1601323362237,W-1604086515564,W-1626908006267,W-1644262448862,W-1689214308001,W-1689216483546,W-1689217559105,CW-111198822404,CW-111318213638,CW-112046256766,CW-24498227976,CW-28890057835,CW-35340949884,CW-51286410263,CW-65682193073,E-24499218053,E-24499263391,MENU-110954594060,PGS-ALL,SW-0,GC-110955899979,GC-111328609636
Referrer-Policy: no-referrer-when-downgrade
X-HS-CF-Cache-Status: HIT
X-HS-Cache-Config: BrowserCache-5s-EdgeCache-180s
X-HS-Cache-Control: s-maxage=36000, max-age=0
X-HS-Content-Id: 28840293718
X-HS-Hub-Id: 6723653
X-Hs-Prerendered: Sat, 07 Mar 2026 06:07:22 GMT
Hosting
| IP address | 35.244.166.25 |
|---|---|
| Location | |
| Network (ISP) | Merit Network |
| Server software | nginx |
Nameservers
| Host | IP | Country |
|---|---|---|
| ns-cloud-b1.googledomains.com | 216.239.32.107 | |
| ns-cloud-b2.googledomains.com | 216.239.34.107 | |
| ns-cloud-b3.googledomains.com | 216.239.36.107 | |
| ns-cloud-b4.googledomains.com | 216.239.38.107 |
Domain registration (WHOIS)
| Registrar | NameCheap, Inc. |
|---|---|
| Created | June 25, 2013 13 years 3 months ago |
| Updated | June 24, 2025 |
| Expires | June 25, 2026 Expired |
| Status | clientTransferProhibited |
Raw WHOIS record
Domain Name: cos.io Registry Domain ID: REDACTED Registrar WHOIS Server: whois.namecheap.com Registrar URL: https://www.namecheap.com/ Updated Date: 2025-06-24T18:08:47Z Creation Date: 2013-06-25T23:36:29Z Registry Expiry Date: 2026-06-25T23:36:29Z Registrar: NameCheap, Inc. Registrar IANA ID: 1068 Registrar Abuse Contact Email: [email protected] Registrar Abuse Contact Phone: +1.9854014545 Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Registry Registrant ID: REDACTED Registrant Name: REDACTED Registrant Organization: Privacy service provided by Withheld for Privacy ehf Registrant Street: REDACTED Registrant City: REDACTED Registrant State/Province: Capital Region Registrant Postal Code: REDACTED Registrant Country: IS Registrant Phone: REDACTED Registrant Phone Ext: REDACTED Registrant Fax: REDACTED Registrant Fax Ext: REDACTED Registrant Email: REDACTED Registry Admin ID: REDACTED Admin Name: REDACTED Admin Organization: REDACTED Admin Street: REDACTED Admin City: REDACTED Admin State/Province: REDACTED Admin Postal Code: REDACTED Admin Country: REDACTED Admin Phone: REDACTED Admin Phone Ext: REDACTED Admin Fax: REDACTED Admin Fax Ext: REDACTED Admin Email: REDACTED Registry Tech ID: REDACTED Tech Name: REDACTED Tech Organization: REDACTED Tech Street: REDACTED Tech City: REDACTED Tech State/Province: REDACTED Tech Postal Code: REDACTED Tech Country: REDACTED Tech Phone: REDACTED Tech Phone Ext: REDACTED Tech Fax: REDACTED Tech Fax Ext: REDACTED Tech Email: REDACTED Name Server: ns-cloud-b1.googledomains.com Name Server: ns-cloud-b2.googledomains.com Name Server: ns-cloud-b3.googledomains.com Name Server: ns-cloud-b4.googledomains.com DNSSEC: unsigned URL of the ICANN Whois Inaccuracy Complaint Form: https://icann.org/wicf/ >>> Last update of WHOIS database: 2026-03-07T23:34:15Z <<< For more information on Whois status codes, please visit https://icann.org/epp Terms of Use: Access to WHOIS information is provided to assist persons in determining the contents of a domain name registration record in the registry database. The data in this record is provided by Identity Digital or the Registry Operator for informational purposes only, and accuracy is not guaranteed. This service is intended only for query-based access. You agree that you will use this data only for lawful purposes and that, under no circumstances will you use this data to (a) allow, enable, or otherwise support the transmission by e-mail, telephone, or facsimile of mass unsolicited, commercial advertising or solicitations to entities other than the data recipient's own existing customers; or (b) enable high volume, automated, electronic processes that send queries or data to the systems of Registry Operator, a Registrar, or Identity Digital except as reasonably necessary to register domain names or modify existing registrations. When using the Whois service, please consider the following: The Whois service is not a replacement for standard EPP commands to the SRS service. Whois is not considered authoritative for registered domain objects. The Whois service may be scheduled for downtime during production or OT&E maintenance periods. Queries to the Whois services are throttled. If too many queries are received from a single IP address within a specified time, the service will begin to reject further queries for a period of time to prevent disruption of Whois service access. Abuse of the Whois system through data mining is mitigated by detecting and limiting bulk query access from single sources. Where applicable, the presence of a [Non-Public Data] tag indicates that such data is not made publicly available due to applicable data privacy laws or requirements. Should you wish to contact the registrant, please refer to the Whois records available through the registrar URL listed above. Access to non-public data may be provided, upon request, where it can be re asonably confirmed that the requester holds a specific legitimate interest and a proper legal basis for accessing the withheld data. Access to this data provided by Identity Digital can be requested by submitting a request via the form found at https://www.identity.digital/about/policies/whois-layered-access/. The Registrar of Record identified in this output may have an RDDS service that can be queried for additional information on how to contact the Registrant, Admin, or Tech contact of the queried domain name. Identity Digital Inc. and Registry Operator reserve the right to modify these terms at any time. By submitting this query, you agree to abide by this policy.
DNS records
| Type | Host | Value | TTL |
|---|---|---|---|
| A | cos.io | ip: 35.244.166.25 | 271 |
| NS | cos.io | target: ns-cloud-b4.googledomains.com | 21600 |
| NS | cos.io | target: ns-cloud-b1.googledomains.com | 21600 |
| NS | cos.io | target: ns-cloud-b3.googledomains.com | 21600 |
| NS | cos.io | target: ns-cloud-b2.googledomains.com | 21600 |
| SOA | cos.io | mname: ns-cloud-b1.googledomains.com rname: dns.cos.io serial: 2016104899 refresh: 14400 retry: 14400 expire: 1209600 minimum-ttl: 86400 | 62790 |
| MX | cos.io | pri: 5 target: alt2.aspmx.l.google.com | 3600 |
| MX | cos.io | pri: 1 target: aspmx.l.google.com | 3600 |
| MX | cos.io | pri: 10 target: aspmx2.googlemail.com | 3600 |
| MX | cos.io | pri: 5 target: alt1.aspmx.l.google.com | 3600 |
| MX | cos.io | pri: 10 target: aspmx3.googlemail.com | 3600 |
| TXT | cos.io | txt: v=spf1 include:_spf.google.com include:_spf.intacct.com include:servers.mcsv.net include:sendgrid.net ip4:192.254.126.246 ip4:208.117.50.171 ip4:50.31.44.75 ip4:192.254.123.144 ip4:69.72.47.212 include:_spf.salesforce.com ip4:38.108.186.0/24 ip4:199.87.209.0/24 ip4:4.53.200.128/26 ip4:52.62.199.66 ip4:52.19.0.156 ip4:3.97.56.230 ip4:18.233.211.170 ~all | 300 |
Show all 21 records
| TXT | cos.io | txt: google-site-verification=YBO97JDRCWTgvr--VPJlGt8xcQd3y03lYZy2IAYXS9Y | 300 |
| TXT | cos.io | txt: google-site-verification=3XAznefqZEL4SYHd2KWdx1mpPPZE3u65ZnBtMUObe8k | 300 |
| TXT | cos.io | txt: asv=5e2afb549664876c6afe622dfa3b1f27 | 300 |
| TXT | cos.io | txt: google-site-verification=P5nzOMLGt_fzv1anetjrgg68TK0t8hb48kYHsFQUL60 | 300 |
| TXT | cos.io | txt: MS=ms18553173 | 300 |
| TXT | cos.io | txt: apple-domain-verification=xzBfsm4n0bnQuZm6 | 300 |
| TXT | cos.io | txt: slack-domain-verification=zl6CfuidYnMLUyJqcfJv7pocxhVwEYfyTS3dKFhu | 300 |
| TXT | cos.io | txt: intacct-esk=4FED1A5178F6769BE0538C06A8C0589E | 300 |
| TXT | cos.io | txt: spfhostsnotes=include:_spf.google.com include:servers.mcsv.net include:mailgun.org include:sendgrid.net include:_spf.salesforce.com include:_custspf.clickandpledge.cc | 300 |
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cos.io compared with similar websites
| Website | Global rank | Est. worth | Registered | Hosted in |
|---|---|---|---|---|
| cos.io | #63,039 | $35,018 | 2013 | |
| centerforopenscience.org | #1,406,082 | $1,058 | 2012 | |
| ihep.ac.cn | #63,007 | $34,870 | — | |
| ioppublishing.org | #62,963 | $35,154 | 2007 | — |
| supercomputing.org | #62,887 | $35,249 | 2004 | |
| solarpowerworldonline.com | #63,260 | $34,898 | 2011 | |
| youarenotsosmart.com | #63,292 | $34,892 | 2010 |
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Questions about cos.io
When was cos.io registered?
Cos.io was registered on June 25, 2013, making it 13 years 3 months old.
Who is the domain registrar for cos.io?
Cos.io is registered through NameCheap, Inc..
Where is cos.io hosted?
Cos.io's server (IP 35.244.166.25) is located in Mountain View, United States.
How much is cos.io worth?
We estimate cos.io is worth $35,018. This is an automated estimate based on the site's global traffic rank, domain age and observable activity signals (professional email, business services, security, CDN) — not a professional appraisal or a real sale price.
How much traffic does cos.io get?
Based on its rank, cos.io receives roughly 30K unique visitors and 1.5M page views per month. These figures are modelled from the rank, not measured.
What is cos.io's global rank?
Cos.io has an estimated global rank of 63,039, sourced from Rankeez.com, which aggregates the Tranco, Majestic, DomCop and Cisco Umbrella rankings. This is an independent estimate, not affiliated with Amazon Alexa, which discontinued its own ranking service in 2022.
Who hosts cos.io?
Cos.io resolves to 35.244.166.25, on the network of Merit Network, and is served through Cloudflare. Its DNS is managed by Google Domains.
What email provider does cos.io use?
According to its MX records, cos.io receives email with Google Workspace. It publishes an SPF record to authenticate its outgoing mail.
What websites are similar to cos.io?
Popular websites in the same category as cos.io include centerforopenscience.org, ihep.ac.cn, ioppublishing.org, supercomputing.org, solarpowerworldonline.com.
Own cos.io? Add the badge
Shows your live global rank. To cite this report: “StatMemory, cos.io website report, https://statmemory.com/cos.io”.
StatMemory is not affiliated with cos.io. This report shows publicly available data (DNS, WHOIS, HTTP headers, public top-site lists) and automated estimates for information purposes.