| Desktop | 100/100 | ✔ |
| Mobile | 93/100 | ✔ |
| Field | Data | Result |
|---|---|---|
| Page Size | 7 KB | ✔ |
| Compression | 3 KB (-61.7%) | ✔ |
| Text/Html Ratio | 2648 / 7281 (bytes) = 36.37% | ✔ |
| Load Time | 0.13 second | ✔ |
| Mobile Ready | 0/100 | ✘ |
| In-Page Links | 28 | ✔ |
| Doc Type | HTML 5 | ✔ |
| Encoding | UTF-8 | ✔ |
| Declared Language | English | ✔ |
| Preferred Domain | Yes | ✔ |
| Robots.txt | No | ✘ |
| Url Rewrite | No | ✔ |
| Underscores in url | No | ✔ | Images Without ALT | 0 / 0 | ✔ |
| Embedded Objects (Desktop) | No | ✔ |
| Embedded Objects (Mobile) | No | ✔ |
| Iframe | No | ✔ |
| Custom 404 page | No | ✘ |
| Email Privacy | No | ✘ |
| Gsafe browsing | Yes | ✔ |
| Analytics | No | ✘ |
| W3C Validity | No | ✘ |
| Keywords | Freq | Title | Desc | <H> |
|---|---|---|---|---|
| university | 6 | ✘ | ✘ | ✘ |
| book | 4 | ✘ | ✔ | ✘ |
| must | 3 | ✘ | ✘ | ✘ |
| rosulek | 3 | ✘ | ✘ | ✘ |
| textbook | 3 | ✘ | ✔ | ✘ |
| functions | 2 | ✘ | ✘ | ✘ |
| block | 2 | ✘ | ✘ | ✘ |
| pseudorandom | 2 | ✘ | ✘ | ✘ |
| security | 2 | ✘ | ✔ | ✘ |
| cryptography | 2 | ✔ | ✔ | ✘ |
| chosen | 2 | ✘ | ✘ | ✘ |
| under | 2 | ✘ | ✔ | ✘ |
| oregon | 2 | ✘ | ✘ | ✘ |
| 2 | ✘ | ✘ | ✘ | |
| been | 2 | ✘ | ✘ | ✘ |
|
With 0.13 seconds in page load, 7 KB of page size and all other reports below, the joyofcryptography.com has a SEO score of 66 out of 100 |
| Title | The Joy of Cryptography |
| Description | The Joy of Cryptography: a free undergraduate-level textbook that introduces students to the fundamentals of provable security |
| Keyword | cryptography textbook crypto book open free security |
| Age | 5 Years, 293 Days |
| Created | 28th-Aug-2018 |
| Updated | 29th-Jul-2023 |
| Expiry | 28th-Aug-2024 |
| Host | Type | Ttl | Other |
|---|---|---|---|
| joyofcryptography.com | A | 297 | ip:172.67.199.242 |
| joyofcryptography.com | A | 297 | ip:104.21.52.139 |
| joyofcryptography.com | NS | 86400 | target:uriah.ns.cloudflare.com |
| joyofcryptography.com | NS | 86400 | target:eva.ns.cloudflare.com |
| joyofcryptography.com | SOA | 1800 | mname:eva.ns.cloudflare.comrname:dns.cloudflare.comserial:2343142190refresh:10000retry:2400expire:604800minimum-ttl:1800 |
| joyofcryptography.com | MX | 300 | pri:10target:in1-smtp.messagingengine.com |
| joyofcryptography.com | MX | 300 | pri:20target:in2-smtp.messagingengine.com |
| joyofcryptography.com | TXT | 300 | txt:v=spf1 include:spf.messagingengine.com ?all |
| joyofcryptography.com | AAAA | 297 | ipv6:2606:4700:3033::6815:348b |
| joyofcryptography.com | AAAA | 297 | ipv6:2606:4700:3031::ac43:c7f2 |
|
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|
Domain Name: JOYOFCRYPTOGRAPHY.COM Registry Domain ID: 2303452597_DOMAIN_COM-VRSN Registrar WHOIS Server: whois.cloudflare.com Registrar URL: https://www.cloudflare.com Updated Date: 2023-09-22T08:56:54Z Creation Date: 2018-08-28T20:31:43Z Registrar Registration Expiration Date: 2024-08-28T20:31:43Z Registrar: Cloudflare, Inc. Registrar IANA ID: 1910 Domain Status: clienttransferprohibited https://icann.org/epp#clienttransferprohibited Registry Registrant ID: Registrant Name: DATA REDACTED Registrant Organization: DATA REDACTED Registrant Street: DATA REDACTED Registrant City: DATA REDACTED Registrant State/Province: OR Registrant Postal Code: DATA REDACTED Registrant Country: US Registrant Phone: DATA REDACTED Registrant Phone Ext: DATA REDACTED Registrant Fax: DATA REDACTED Registrant Fax Ext: DATA REDACTED Registrant Email: https://domaincontact.cloudflareregistrar.com/joyofcryptography.com Registry Admin ID: Admin Name: DATA REDACTED Admin Organization: DATA REDACTED Admin Street: DATA REDACTED Admin City: DATA REDACTED Admin State/Province: DATA REDACTED Admin Postal Code: DATA REDACTED Admin Country: DATA REDACTED Admin Phone: DATA REDACTED Admin Phone Ext: DATA REDACTED Admin Fax: DATA REDACTED Admin Fax Ext: DATA REDACTED Admin Email: https://domaincontact.cloudflareregistrar.com/joyofcryptography.com Registry Tech ID: Tech Name: DATA REDACTED Tech Organization: DATA REDACTED Tech Street: DATA REDACTED Tech City: DATA REDACTED Tech State/Province: DATA REDACTED Tech Postal Code: DATA REDACTED Tech Country: DATA REDACTED Tech Phone: DATA REDACTED Tech Phone Ext: DATA REDACTED Tech Fax: DATA REDACTED Tech Fax Ext: DATA REDACTED Tech Email: https://domaincontact.cloudflareregistrar.com/joyofcryptography.com Registry Billing ID: Billing Name: DATA REDACTED Billing Organization: DATA REDACTED Billing Street: DATA REDACTED Billing City: DATA REDACTED Billing State/Province: DATA REDACTED Billing Postal Code: DATA REDACTED Billing Country: DATA REDACTED Billing Phone: DATA REDACTED Billing Phone Ext: DATA REDACTED Billing Fax: DATA REDACTED Billing Fax Ext: DATA REDACTED Billing Email: https://domaincontact.cloudflareregistrar.com/joyofcryptography.com Name Server: eva.ns.cloudflare.com Name Server: uriah.ns.cloudflare.com DNSSEC: unsigned Registrar Abuse Contact Email: registrar-abuse@cloudflare.com Registrar Abuse Contact Phone: +1.4153197517 URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/ >>> Last update of WHOIS database: 2024-06-16T22:14:10Z |
| Server IP | 172.67.199.242 |
| Server Location | United States of America |
| Service Provider | CLOUDFLARENET |
| Domains (TLD) | Status |
|---|---|
| joyofcryptography.net | Available |
| joyofcryptography.org | Already Registered |
| joyofcryptography.biz | Available |
| joyofcryptography.io | Already Registered |
| joyofcryptography.info | Already Registered |
| Domains (TLD) | Status |
|---|---|
| noyofcryptography.com | Available |
| hoyofcryptography.com | Available |
| yoyofcryptography.com | Available |
| uoyofcryptography.com | Available |
| ioyofcryptography.com | Available |
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