Opencourses.gr Open Courses
Server IP address resolved: No
Http response code: None
Last Checked: 06/14/2026
Opencourses.gr attracts 249 unique visitors daily, generating 1,097 pageviews. The estimated value of opencourses.gr is 9,373 USD. Each visitor views approximately 4.71 pages on average.
According to Majestic's traffic estimates, opencourses.gr ranks 27,087 globally, with the majority of its visitors coming from Greece, where it holds the 8,058 position.
It is beneficial for opencourses.gr that their data center (provided by University of Athens) is located in Greece, as this helps reduce page load time for most visitors.
See the list of other websites hosted by University of Athens.
Opencourses.gr is registered with the .GR top-level domain. Explore additional websites within the .GR zone.
A recent examination on (July 13, 2024), indicates that opencourses.gr has an expired SSL certificate issued by Let's Encrypt (expired on October 09, 2024). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Let's Encrypt.
According to Google Safe Browsing, Google Safe Search and Symantec opencourses.gr appears to be a safe domain.
Based on Google's Mobile-Friendly test, opencourses.gr is optimized for mobile and tablet devices.
Audience Geography. Where are opencourses.gr visitors located?
| Country | Visitors |
|---|---|
 Greece GR | 96.7% |
| Other | 3.3% |
| Country | Pageviews |
|---|---|
| Greece GR | 99.1% |
| Other | 0.9% |
| Country | Rank |
|---|---|
| Greece GR | 8058 |
Where do visitors go on opencourses.gr?
| Subdomain | Pageviews |
|---|---|
| opencourses.gr | 100% |
| Subdomain | Pageviews per User |
|---|---|
| opencourses.gr | 3.9 |
| Subdomain | Reach |
|---|---|
| opencourses.gr | 100% |
How popular is opencourses.gr?
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 631871 | 73332 |
| past month | 649594 | -148346 |
| past week | 923978 | 92604 |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 510992 | 46856 | 7 | -10.24% | 4.4 | 5% |
| 30 | 557667 | -164855 | 6 | 40% | 3.9 | 10% |
| 7 | 1287354 | 788697 | 2 | -73.233% | 1 | -81.157% |
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 734964 | 92236 | 56 | -14.44% |
| 30 | 752735 | -138200 | 58 | 30% |
| 7 | 821408 | -216860 | 6 | 40% |
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton ConnectSafe evaluates opencourses.gr for any unsafe and insecure content. The results are critical for families with young children.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
McAfee assesses opencourses.gr for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze opencourses.gr for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the opencourses.gr. This reputation system receives ratings from users and information from third-party sources, assesses the opencourses.gr for safety features and confirms, whether opencourses.gr is suitable for children.
| Domain | opencourses.gr |
| Issuer Organization | Let's Encrypt |
| Issuer | R11 |
| Algorithm | RSA-SHA256 |
| Valid form | 07/11/2024 |
| Expiration | 10/09/2024 |
| Signed | Certificate is not self signed |
| Additional Domains |
opencourses.gr www.opencourses.gr |
ASN ID: 8643
ASN Title: University of Athens
Last Update: 03/22/2026
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last-modified: 2014-02-24T13:15:16Z
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% Information related to 'AS8643'
% Abuse contact for 'AS8643' is 'abuse@uoa.gr'
aut-num: AS8643
as-name: ATHENAnet
descr: Academic and Research Network in the Region
descr: of the University of Athens, Greece administered by UOA-NOC
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sponsoring-org: ORG-GRaT1-RIPE
organisation: ORG-UOA1-RIPE
org-name: University of Athens
org-type: OTHER
address: Panepistimiou 30 Athens, Greece GR 106 79
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source: RIPE # Filtered
role: UOA NOC
address: Network Operations Center
University of Athens
Panepistimioupoli, Ilisia
GR 157 84
Athens, Greece
abuse-mailbox: abuse@uoa.gr
phone: +30 210 727 5600
fax-no: +30 210 727 5601
remarks: -----------------------------
For abuse and spam contact the UoA Abuse Team:
mail: abuse@uoa.gr
phone: +30 210 727 5600
-----------------------------
admin-c: LM154-RIPE
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mnt-by: UOA-NOC
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last-modified: 2011-02-01T14:18:49Z
source: RIPE # Filtered
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opencourses.gr domain is not supported
| Host | A Record | TTL |
|---|---|---|
| opencourses.gr | 88.197.27.131 | 120 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| opencourses.gr | olympus.noc.uoa.gr | 10 | 86400 |
| Host | NS Record | TTL |
|---|---|---|
| opencourses.gr | ns1.uoa.gr | 86400 |
| opencourses.gr | ns2.uoa.gr | 86400 |
| Host | TXT Record | TTL |
|---|
ns1.uoa.gr
TTL: 86400
Email address: postmaster.uoa.gr
Serial: 2019061301
Refresh: 800
Retry: 400
Expire: 86400
Minimum: 900
Last tested: 08/31/2015
| Total Resources | 60 |
| Number of Hosts | 4 |
| Static Resources | 48 |
| JavaScript Resources | 9 |
| CSS Resources | 14 |
Last tested: 06/16/2019
| Total Resources | 63 |
| Number of Hosts | 5 |
| Static Resources | 53 |
| JavaScript Resources | 10 |
| CSS Resources | 14 |
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