| Desktop | 97/100 | ✔ |
| Mobile | 78/100 | ❗ |
| Field | Data | Result |
|---|---|---|
| Page Size | 38 KB | ✔ |
| Compression | 10 KB (-75%) | ✔ |
| Text/Html Ratio | 4964 / 39243 (bytes) = 12.65% | ✔ |
| Load Time | 0.78 second | ✔ |
| Mobile Ready | 0/100 | ✘ |
| In-Page Links | 162 | ✔ |
| Doc Type | NA | ❗ |
| Encoding | UTF-8 | ✔ |
| Declared Language | Unknown | ✘ |
| Preferred Domain | No | ❗ |
| Robots.txt | No | ✘ |
| Url Rewrite | Yes | ✘ |
| Underscores in url | No | ✔ | Images Without ALT | 19 / 21 | ✘ |
| Embedded Objects (Desktop) | No | ✔ |
| Embedded Objects (Mobile) | Yes | ✘ |
| Iframe | Yes | ✘ |
| Custom 404 page | No | ✘ |
| Email Privacy | No | ✘ |
| Gsafe browsing | Yes | ✔ |
| Analytics | No | ✘ |
| W3C Validity | No | ✘ |
| Keywords | Freq | Title | Desc | <H> |
|---|---|---|---|---|
| google学术 | 7 | ✔ | ✘ | ✘ |
| google镜像 | 4 | ✘ | ✘ | ✘ |
| 谷歌学术 | 4 | ✘ | ✘ | ✘ |
| 中国知网 | 3 | ✘ | ✘ | ✘ |
| 科学网 | 3 | ✘ | ✘ | ✘ |
| 3 | ✘ | ✘ | ✘ | |
| oalib | 2 | ✘ | ✘ | ✘ |
| 国家标准网 | 2 | ✘ | ✘ | ✘ |
| libgen | 2 | ✘ | ✘ | ✘ |
| 产权局 | 1 | ✘ | ✘ | ✘ |
| 国家专利 | 1 | ✘ | ✘ | ✘ |
| 科技部 | 1 | ✘ | ✘ | ✘ |
| 文化部 | 1 | ✘ | ✘ | ✘ |
| 国家组织机构 | 1 | ✘ | ✘ | ✘ |
| 教育部 | 1 | ✘ | ✘ | ✘ |
|
With 0.78 seconds in page load, 38 KB of page size and all other reports below, the 51scihub.com has a SEO score of 36 out of 100 |
| Title | Scihub学术导航-51scihub.com提供sci-hub网址 ncbi pubmed Google学术搜索镜像导航服务-51scihub.com |
| Description | Sci-hub上不去怎么办?科研人员学术研究第一站。本站涵盖最新Sci-Hub 可用网址 镜像入口，国内外免费文献下载入口，科研工具、专利标准、基金申请、期刊信息，科研成果等科研人员必备良站，为广大科研人员提供最简单便捷的科研学术上网导航服务。 |
| Keyword | Sci-Hub 可用网址 Sci-hub最新地址,ncbi,pubmed,谷歌学术,Google学术搜索,谷歌学术入口,sci-hub镜像,学术导航 |
| Age | 0 Years, 3 Days |
| Created | 5th-Oct-2020 |
| Updated | 5th-Oct-2020 |
| Expiry | 5th-Oct-2021 |
| Host | Type | Ttl | Other |
|---|---|---|---|
| 51scihub.com | A | 279 | ip:141.164.36.122 |
| 51scihub.com | NS | 86400 | target:ns1.dns.com |
| 51scihub.com | NS | 86400 | target:ns2.dns.com |
| 51scihub.com | SOA | 600 | mname:ns1.dns.comrname:dnsadmin.dns.comserial:1601884153refresh:7200retry:3600expire:1209600minimum-ttl:1800 |
|
Domain Name: 51scihub.com Registry Domain ID: 2563894135_DOMAIN_COM-VRSN Registrar WHOIS Server: whois.paycenter.com.cn Registrar URL: http://www.xinnet.com Updated Date: 2020-10-05T07:42:55Z Creation Date: 2020-10-05T07:34:29Z Registrar Registration Expiration Date: 2021-10-05T07:34:29Z Registrar: Xin Net Technology Corporation Registrar IANA ID: 120 Registrar Abuse Contact Email: supervision@xinnet.com Registrar Abuse Contact Phone: +86.1087128064 Reseller: Domain Status: ok https://www.icann.org/epp#ok Registry Registrant ID: REDACTED FOR PRIVACY Registrant Name: REDACTED FOR PRIVACY Registrant Organization: REDACTED FOR PRIVACY Registrant Street: REDACTED FOR PRIVACY Registrant State/Province: BJ Registrant Postal Code: REDACTED FOR PRIVACY Registrant Country: CN Registrant Phone: REDACTED FOR PRIVACY Registrant Phone Ext: REDACTED FOR PRIVACY Registrant Fax: REDACTED FOR PRIVACY Registrant Fax Ext: REDACTED FOR PRIVACY Registrant Email: link at http://whois.xinnet.com/sendemail/51scihub.com Registry Admin ID: REDACTED FOR PRIVACY Admin Name: REDACTED FOR PRIVACY Admin Organization: REDACTED FOR PRIVACY Admin Street: REDACTED FOR PRIVACY Admin City: REDACTED FOR PRIVACY Admin State/Province: REDACTED FOR PRIVACY Admin PostalCode: REDACTED FOR PRIVACY Admin Country: REDACTED FOR PRIVACY Admin Phone: REDACTED FOR PRIVACY Admin Phone Ext: REDACTED FOR PRIVACY Admin Fax: REDACTED FOR PRIVACY Admin Fax Ext: REDACTED FOR PRIVACY Admin Email: link at http://whois.xinnet.com/sendemail/51scihub.com Registry Tech ID: REDACTED FOR PRIVACY Tech Name: REDACTED FOR PRIVACY Tech Organization: REDACTED FOR PRIVACY Tech Street: REDACTED FOR PRIVACY Tech City: REDACTED FOR PRIVACY Tech State/Province: REDACTED FOR PRIVACY Tech PostalCode: REDACTED FOR PRIVACY Tech Country: REDACTED FOR PRIVACY Tech Phone: REDACTED FOR PRIVACY Tech Phone Ext: REDACTED FOR PRIVACY Tech Fax: REDACTED FOR PRIVACY Tech Fax Ext: REDACTED FOR PRIVACY Tech Email: link at http://whois.xinnet.com/sendemail/51scihub.com Name Server: ns1.dns.com Name Server: ns2.dns.com DNSSEC: unsigned URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/ >>> Last update of WHOIS database: 2020-10-08T01:16:53Z |
| Server IP | 141.164.36.122 |
| Server Location | South Korea |
| Service Provider | Choopa, LLC |
| Domains (TLD) | Status |
|---|---|
| 51scihub.net | Available |
| 51scihub.org | Already Registered |
| 51scihub.biz | Already Registered |
| 51scihub.io | Already Registered |
| 51scihub.info | Available |
| Domains (TLD) | Status |
|---|---|
| r1scihub.com | Available |
| t1scihub.com | Available |
| y1scihub.com | Available |
| 5qscihub.com | Available |
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