openintro.org valuation and analysis
Robots.txt Information
| Robot | Path | Permission |
| GoogleBot | / | ✔ |
| BingBot | / | ✔ |
| BaiduSpider | / | ✔ |
| YandexBot | / | ✔ |
User-agent: * Allow: | ||
Meta Tags
| Title | OpenIntro: developer and promoter of educational products that are free, transparent, and lower |
| Description | Publishing Done OpenIntro’s mission is to make educational products that are free, transparent, and lower barriers to education. We’re a registered 501(c)(3) |
| Keywords | N/A |
Server Information
| WebSite | |
| Host IP | 192.185.65.127 |
| Location | United States |
Related Websites
| Site | Rank |
More to Explore
openintro.org Valuation
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US$22,842,111
Last updated: 2023-05-03 07:00:04
openintro.org has Semrush global rank of 463,368. openintro.org has an estimated worth of US$ 22,842,111, based on its estimated Ads revenue. openintro.org receives approximately 2,635,629 unique visitors each day. Its web server is located in United States, with IP address 192.185.65.127. According to SiteAdvisor, openintro.org is safe to visit. |
Traffic & Worth Estimates
| Purchase/Sale Value | US$22,842,111 |
| Daily Ads Revenue | US$21,086 |
| Monthly Ads Revenue | US$632,551 |
| Yearly Ads Revenue | US$7,590,609 |
| Daily Unique Visitors | 175,709 |
| Note: All traffic and earnings values are estimates. | |
DNS Records
| Host | Type | TTL | Data |
| openintro.org. | A | 7199 | IP: 192.185.65.127 |
| openintro.org. | NS | 86400 | NS Record: ns1629.hostgator.com. |
| openintro.org. | NS | 86400 | NS Record: ns1630.hostgator.com. |
| openintro.org. | MX | 14400 | MX Record: 0 openintro.org. |
| openintro.org. | TXT | 14400 | TXT Record: v=spf1 ip4:184.173.239.119 a mx include:websitewelcome.com ~all |
HtmlToTextCheckTime:2023-05-03 07:00:04
| Home Books Statistics Intro textbooks for H.S. and college OpenIntro Statistics Introduction to Modern Statistics Intro Stat for Life & Biomedical Sci. Advanced High School Statistics Intro Stat w/Randomization & Sim. Help Me Decide Mathematics Now available via a pilot program College Algebra and Trigonometry APEX Calculus Linear Algebra Forums Teacher Options Blog Account Log In Register Messages Settings --> --> Publishing Done Right Our mission is to make educational products that are free, transparent, and lower barriers to education. We also feature supporting resources, such as slides, videos, and more. Statistics Mathematics Books in our Partner Program Teachers Desk Copies + Solutions Ensuring every student has access "65% of students have opted out of buying a college textbook due to its high price", and 94% of those students know they suffer academically from that decision. [ Ref 1 , Ref 2 ] When using an OpenIntro textbook, every student has immediate, perpetual, and |
HTTP Headers
HTTP/1.1 301 Moved Permanently Date: Mon, 25 Oct 2021 14:24:31 GMT Server: Apache Location: https://www.openintro.org/ Content-Type: text/html; charset=iso-8859-1 HTTP/2 200 expires: Thu, 19 Nov 1981 08:52:00 GMT cache-control: no-store, no-cache, must-revalidate pragma: no-cache set-cookie: PHPSESSID=4cfebc060c3f306f0a4574059437360c; path=/ set-cookie: os3=0; expires=Tue, 25-Oct-2022 14:24:31 GMT; Max-Age=31536000; path=/ set-cookie: labs_software_options=0; expires=Tue, 25-Oct-2022 14:24:31 GMT; Max-Age=31536000; path=/ set-cookie: exp_cookie_id=289446; expires=Tue, 25-Oct-2022 14:24:31 GMT; Max-Age=31536000; path=/ set-cookie: leanpub=444; expires=Tue, 25-Oct-2022 14:24:31 GMT; Max-Age=31536000; path=/ set-cookie: jobs=615; expires=Tue, 25-Oct-2022 14:24:31 GMT; Max-Age=31536000; path=/ set-cookie: stat=715; expires=Tue, 25-Oct-2022 14:24:31 GMT; Max-Age=31536000; path=/ set-cookie: exp=158; expires=Tue, 25-Oct-2022 14:24:31 GMT; Max-Age=31536000; path=/ set-cookie: https_rollout=444; expires=Tue, 25-Oct-2022 14:24:31 GMT; Max-Age=31536000; path=/ content-type: text/html; charset=UTF-8 date: Mon, 25 Oct 2021 14:24:31 GMT server: Apache |
openintro.org Whois Information
Domain Name: OPENINTRO.ORG Registry Domain ID: D156629238-LROR Registrar WHOIS Server: whois.google.com Registrar URL: https://domains.google.com Updated Date: 2020-08-15T18:23:31Z Creation Date: 2009-07-11T19:22:08Z Registry Expiry Date: 2030-07-11T19:22:08Z Registrar: Google LLC Registrar IANA ID: 895 Registrar Abuse Contact Email: registrar-abuse@google.com Registrar Abuse Contact Phone: +1.8772376466 Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Registrant Organization: Contact Privacy Inc. Customer 12434348 Registrant State/Province: ON Registrant Country: CA Name Server: NS1629.HOSTGATOR.COM Name Server: NS1630.HOSTGATOR.COM DNSSEC: unsigned URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/) >>> Last update of WHOIS database: 2021-09-13T17:28:55Z <<< |