额外信息 针对 https://cnx.org
Title
| OpenStax
|
| Viewport | width=device-width,initial-scale=1,maximum-scale=5 |
| Description | OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects! |
| Og:url | https://openstax.org/ |
| Og:type | article |
| Og:title | OpenStax | Free Textbooks Online with No Catch |
| Og:description | OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects! |
| Og:image | https://images.openstax.org/apps/image-cdn/v1/assets.openstax.org/f=webp,w=640,h=480/oscms-prodcms/media/images/240919_OpenStax_Students_Martin_272.original.webp |
| Og:image:alt | OpenStax: OpenStax | Free Textbooks Online with No Catch |
| Twitter:card | summary_large_image |
| Twitter:site | @OpenStax |
| Twitter:title | OpenStax | Free Textbooks Online with No Catch |
| Twitter:description | OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects! |
| Twitter:image | https://images.openstax.org/apps/image-cdn/v1/assets.openstax.org/f=webp,w=640,h=480/oscms-prodcms/media/images/240919_OpenStax_Students_Martin_272.original.webp |
| Twitter:image:alt | OpenStax |
| Mobile-web-app-capable | yes |
| Theme-color | #fff |
| Application-name | @openstax/os-webview |
| Apple-mobile-web-app-capable | yes |
| Apple-mobile-web-app-status-bar-style | black-translucent |
| Apple-mobile-web-app-title | @openstax/os-webview |
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| Msapplication-TileImage |  |
| Msapplication-config | /dist/assets/browserconfig.xml |
Content-length
| 12410
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Location
| https://openstax.org
|
Server
| AmazonS3
|
Date
| Mon, 14 Jul 2025 08:59:19 GMT
|
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| Hit from cloudfront
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Age
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| Ranks provider | OpenRank |
| PageRank | 5.01 |
| Domain Ranking | #9,215 |
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Viewport width=device-width,initial-scale=1,maximum-scale=5 Description OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects! Og:url https://openstax.org/ Og:type article Og:title OpenStax | Free Textbooks Online with No Catch Og:description OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects! Og:image https://images.openstax.org/apps/image-cdn/v1/assets.openstax.org/f=webp,w=640,h=480/oscms-prodcms/media/images/240919_OpenStax_Students_Martin_272.original.webp Og:image:alt OpenStax: OpenStax | Free Textbooks Online with No Catch Twitter:card summary_large_image Twitter:site @OpenStax Twitter:title OpenStax | Free Textbooks Online with No Catch Twitter:description OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects! Twitter:image https://images.openstax.org/apps/image-cdn/v1/assets.openstax.org/f=webp,w=640,h=480/oscms-prodcms/media/images/240919_OpenStax_Students_Martin_272.original.webp Twitter:image:alt OpenStax Mobile-web-app-capable yes Theme-color #fff Application-name @openstax/os-webview Apple-mobile-web-app-capable yes Apple-mobile-web-app-status-bar-style black-translucent Apple-mobile-web-app-title @openstax/os-webview Msapplication-TileColor #fff Msapplication-TileImage Msapplication-config /dist/assets/browserconfig.xml Ranks provider OpenRank PageRank 5.01 Domain Ranking #9,215
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