cdio.org website report
Cdio was registered 25 years 3 months ago, is ranked #813,196 worldwide (top 24%), has an estimated value of $2,017. It may earn around $221 per month from advertising.
English
Last updated
SwedenKey facts about cdio.org
- Domain
- cdio.org
- Website name
- Worldwide CDIO Inititative
- Estimated worth
- $2,017
- Global rank
- #813,196 (top 24% of 3.4M ranked sites)
- Monthly visitors (est.)
- 2,315 · 116K page views
- Registered
- July 6, 2001 (25 years 3 months ago)
- Expires
- July 6, 2027
- Registrar
- Chalmers University Network
- Server location
Gothenburg, Sweden- Network
- Chalmers University of Technology AS2841
- Email provider
- Microsoft 365
- Language
- English
- Data updated
Estimated traffic & revenue
| Page views | Visitors | Ad revenue | |
|---|---|---|---|
| Daily | 3,858 | 77 | $7 |
| Monthly | 115,738 | 2,315 | $221 |
| Yearly | 1,388,856 | 27,780 | $2,652 |
Modelled from the global rank — not measured analytics. Use them to compare sites, not as exact figures.
Global rank history
Monthly values
| Month | Global rank |
|---|---|
| 2026-06 | #37,800,321 |
| 2026-07 | #1,223,873 |
| 2026-08 | #991,148 |
| 2026-09 | #813,196 |
Source: Rankeez (Tranco, Majestic, DomCop, Cisco Umbrella).
How we estimate cdio.org's value
The estimate is the higher of two independent approaches, both computed automatically from public data.
- Traffic value: $2,017Driven by the global rank #813,196 (≈116K page views / month) plus a capped age bonus.
- Activity value: $1,183Domain age plus observable signs of an active, professionally run website.
Activity signals found
| Domain age (25 years 3 months) | $400 |
| Active website with metadata | +$150 |
| Substantial homepage content | +$150 |
| Professional email (Microsoft 365) | +$150 |
| Email authentication (SPF) | +$50 |
| Business services (Microsoft 365) | +$100 |
| Security headers (61/100) | +$183 |
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 | Worldwide CDIO Inititative 26 chars |
|---|---|
| Meta description | Missing |
| Meta keywords | None |
| Language | English |
| Response time | 0.33 s Fast |
Homepage structure
Exactly one H1 heading — good practice.
Technology & infrastructure
| CDN / proxy | None detected |
|---|---|
| Web server | Apache/2.4.62 (Red Hat Enterprise Linux) OpenSSL/3.5.8 mod_f |
| Platform / language | PHP, Drupal |
| DNS provider | Unknown |
| Email provider | Microsoft 365 |
| SPF record | v=spf1 include:spf.protection.outlook.com -all |
| IPv6 (AAAA) | No |
| CAA record | No |
Services verified in DNS
Microsoft 365
Detected from TXT verification and SPF records published by the domain owner.
Domain name
| Extension | .org — a generic extension popular with non-profits and communities |
|---|---|
| Name length | 4 characters Short |
| Hyphens / digits | No hyphen · no digits |
Security headers
Homepage answered HTTP 200 at https://cdio.org/ · checked Oct 24, 2026
- HTTPSThe homepage is served over an encrypted HTTPS connection.
- HTTP → HTTPS redirectVisitors typing http:// are redirected to the secure version.
- Strict-Transport-Security (HSTS)Not set: browsers may still try plain HTTP first.
- Content-Security-PolicyNot set: no restriction on which scripts may run.
- Clickjacking protectionX-Frame-Options: SAMEORIGIN prevents the site from being framed by others.
- X-Content-Type-Optionsnosniff: browsers will not guess content types.
- Referrer-PolicyNot set (browsers default to strict-origin-when-cross-origin).
- Permissions-PolicyNot set: browser features are not explicitly restricted.
- Software version disclosureReveals Server: Apache/2.4.62 (Red Hat Enterprise Linux), X-Powered-By: PHP/8.3.36, which helps attackers target known vulnerabilities.
Raw HTTP response headers
HTTP/1.1 200 OK Date: Fri, 23 Oct 2026 22:53:55 GMT Server: Apache/2.4.62 (Red Hat Enterprise Linux) OpenSSL/3.5.8 mod_fcgid/2.3.9 X-Powered-By: PHP/8.3.36 Cache-Control: must-revalidate, no-cache, private X-Drupal-Dynamic-Cache: HIT Content-language: en X-Content-Type-Options: nosniff X-Frame-Options: SAMEORIGIN Expires: Sun, 19 Nov 1978 05:00:00 GMT X-Generator: Drupal 10 (https://www.drupal.org) X-Drupal-Cache: HIT Transfer-Encoding: chunked Content-Type: text/html; charset=UTF-8
Hosting
| IP address | 129.16.223.180 |
|---|---|
| Location | Gothenburg, Sweden |
| Network (ISP) | Chalmers University Network |
| Autonomous system | AS2841 Chalmers University of Technology |
| Server software | Apache/2.4.62 (Red Hat Enterprise Linux) OpenSSL/3.5.8 mod_fcgid/2.3.9 |
Nameservers
| Host | IP | Country |
|---|---|---|
| ns1.chalmers.se | 129.16.2.40 | Sweden |
| ns2.chalmers.se | 129.16.253.252 | Sweden |
| ns3.chalmers.se | 192.36.120.11 | Sweden |
Domain registration (WHOIS)
| Registrar | Chalmers University Network |
|---|---|
| Created | July 6, 2001 25 years 3 months ago |
| Updated | August 12, 2026 |
| Expires | July 6, 2027 in 245 days |
| Status | ok |
Raw WHOIS record
Domain Name: cdio.org Registry Domain ID: REDACTED Registrar WHOIS Server: http://whois.ascio.com Registrar URL: http://www.ascio.com Updated Date: 2026-08-12T02:38:30Z Creation Date: 2001-07-06T19:21:40Z Registry Expiry Date: 2027-07-06T19:21:40Z Registrar: Ascio Technologies, Inc. Danmark - Filial af Ascio technologies, Inc. USA Registrar IANA ID: 106 Registrar Abuse Contact Email: [email protected] Registrar Abuse Contact Phone: +1.4165350123 Domain Status: ok https://icann.org/epp#ok Name Server: ns1.chalmers.se Name Server: ns2.chalmers.se Name Server: ns3.chalmers.se DNSSEC: unsigned URL of the ICANN Whois Inaccuracy Complaint Form: https://icann.org/wicf/ >>> Last update of WHOIS database: 2026-09-10T14:44:03Z <<< For more information on Whois status codes, please visit https://icann.org/epp Terms of Use: Access to Public Interest Registry WHOIS information is provided to assist persons in determining the contents of a domain name registration record in the Public Interest Registry registry database. The data in this record is provided by Public Interest Registry for informational purposes only, and Public Interest Registry does not guarantee its accuracy. 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. All rights reserved. Public Interest Registry reserves the right to modify these terms at any time. By submitting this query, you agree to abide by this policy. 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.
DNS records
| Type | Host | Value | TTL |
|---|---|---|---|
| A | cdio.org | ip: 129.16.223.180 | 3597 |
| NS | cdio.org | target: ns1.chalmers.se | 86398 |
| NS | cdio.org | target: ns3.chalmers.se | 86398 |
| NS | cdio.org | target: ns2.chalmers.se | 86398 |
| SOA | cdio.org | mname: ns1.chalmers.se rname: cth-nic.chalmers.se serial: 260706001 refresh: 14400 retry: 3600 expire: 1814400 minimum-ttl: 300 | 3600 |
| MX | cdio.org | pri: 10 target: cdio-org.mail.protection.outlook.com | 3600 |
| TXT | cdio.org | txt: MS=ms62203751 | 3600 |
| TXT | cdio.org | txt: UINFO: Worldwide CDIO Initiative: A Framework for the Education of Engineers [en] | 3600 |
| TXT | cdio.org | txt: v=spf1 include:spf.protection.outlook.com -all | 3600 |
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cdio.org compared with similar websites
| Website | Global rank | Est. worth | Registered | Hosted in |
|---|---|---|---|---|
| cdio.org | #813,196 | $2,017 | 2001 | Sweden |
| kwworldwide.com | #6,644,270 | $455 | 2005 |  United States |
| worldwidemultimedia.net | #7,401,375 | $394 | 2009 | United States |
| proximityworld.com | #9,341,856 | $141 | — |  Netherlands |
| tanzverbot-weg.ch | #59,507,629 | $100 | — |  Switzerland |
| canvasworldwide.com | #4,810,635 | $382 | 2015 | United States |
| mywinpro.com | — | $10 | 2017 | United States |
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Questions about cdio.org
When was cdio.org registered?
Cdio.org was registered on July 6, 2001, making it 25 years 3 months old.
Who is the domain registrar for cdio.org?
Cdio.org is registered through Chalmers University Network.
Where is cdio.org hosted?
Cdio.org's server (IP 129.16.223.180) is located in Gothenburg, Sweden.
How much is cdio.org worth?
We estimate cdio.org is worth $2,017. 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 cdio.org get?
Based on its rank, cdio.org receives roughly 2,315 unique visitors and 116K page views per month. These figures are modelled from the rank, not measured.
What is cdio.org's global rank?
Cdio.org has an estimated global rank of 813,196, sourced from Rankeez.com, which aggregates the Tranco, Majestic, DomCop and Cisco Umbrella rankings. Its rank has improved over the tracked period. This is an independent estimate, not affiliated with Amazon Alexa, which discontinued its own ranking service in 2022.
Who hosts cdio.org?
Cdio.org resolves to 129.16.223.180, on the network of Chalmers University of Technology (AS2841).
What email provider does cdio.org use?
According to its MX records, cdio.org receives email with Microsoft 365. It publishes an SPF record to authenticate its outgoing mail.
When does cdio.org expire?
The domain registration of cdio.org is valid until July 6, 2027 (in 245 days), at Chalmers University Network. Owners usually renew before that date.
What websites are similar to cdio.org?
Popular websites in the same category as cdio.org include kwworldwide.com, worldwidemultimedia.net, proximityworld.com, tanzverbot-weg.ch, canvasworldwide.com.
Own cdio.org? Add the badge
Shows your live global rank. To cite this report: “StatMemory, cdio.org website report, https://statmemory.com/cdio.org”.
StatMemory is not affiliated with cdio.org. This report shows publicly available data (DNS, WHOIS, HTTP headers, public top-site lists) and automated estimates for information purposes.