| Desktop | 95/100 | ✔ |
| Mobile | 85/100 | ✔ |
| Field | Data | Result |
|---|---|---|
| Page Size | 18 KB | ✔ |
| Compression | 5 KB (-72.9%) | ✔ |
| Text/Html Ratio | 6595 / 18111 (bytes) = 36.41% | ✔ |
| Load Time | 0.22 second | ✔ |
| Mobile Ready | 0/100 | ✘ |
| In-Page Links | 3 | ✔ |
| Doc Type | HTML 5 | ✔ |
| Encoding | UTF-8 | ✔ |
| Declared Language | English | ✔ |
| Preferred Domain | No | ❗ |
| Robots.txt | Yes | ✔ |
| Url Rewrite | No | ✔ |
| Underscores in url | No | ✔ | Images Without ALT | 3 / 3 | ✘ |
| Embedded Objects (Desktop) | No | ✔ |
| Embedded Objects (Mobile) | No | ✔ |
| Iframe | No | ✔ |
| Custom 404 page | No | ✘ |
| Email Privacy | Yes | ✔ |
| Gsafe browsing | Yes | ✔ |
| Analytics | Yes | ✔ |
| W3C Validity | No | ✘ |
| Keywords | Freq | Title | Desc | <H> |
|---|---|---|---|---|
| systems | 9 | ✘ | ✔ | ✔ |
| distributed | 8 | ✘ | ✔ | ✔ |
| design | 8 | ✔ | ✔ | ✔ |
| system | 8 | ✔ | ✔ | ✔ |
| will | 8 | ✘ | ✘ | ✘ |
| build | 4 | ✘ | ✔ | ✔ |
| data | 4 | ✘ | ✘ | ✘ |
| need | 4 | ✘ | ✘ | ✘ |
| patterns | 4 | ✘ | ✘ | ✔ |
| have | 4 | ✘ | ✘ | ✘ |
| scale | 4 | ✘ | ✔ | ✘ |
| network | 4 | ✘ | ✘ | ✔ |
| hard | 4 | ✘ | ✘ | ✘ |
| platform | 3 | ✘ | ✘ | ✘ |
| only | 3 | ✘ | ✘ | ✘ |
|
With 0.22 seconds in page load, 18 KB of page size and all other reports below, the systemdesignmanual.com has a SEO score of 66 out of 100 |
| Title | The System Design Manual |
| Description | Learn how to design and build large scale distributed systems |
| Keyword |
| Age | 0 Years, 2 Days |
| Created | 28th-Jun-2020 |
| Updated | 28th-Jun-2020 |
| Expiry | 28th-Jun-2021 |
| Host | Type | Ttl | Other |
|---|---|---|---|
|
Domain Name: systemdesignmanual.com Registry Domain ID: 2542255992_DOMAIN_COM-VRSN Registrar WHOIS Server: whois.google.com Registrar URL: https://domains.google.com Updated Date: 2020-06-28T11:40:46Z Creation Date: 2020-06-28T11:40:44Z Registrar Registration Expiration Date: 2021-06-28T11:40:44Z 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://www.icann.org/epp#clientTransferProhibited Registry Registrant ID: Registrant Name: Contact Privacy Inc. Customer 1247573796 Registrant Organization: Contact Privacy Inc. Customer 1247573796 Registrant Street: 96 Mowat Ave Registrant City: Toronto Registrant State/Province: ON Registrant Postal Code: M4K 3K1 Registrant Country: CA Registrant Phone: +1.4165385487 Registrant Phone Ext: Registrant Fax: Registrant Fax Ext: Registrant Email: 1oagdkkhybnc@contactprivacy.email Registry Admin ID: Admin Name: Contact Privacy Inc. Customer 1247573796 Admin Organization: Contact Privacy Inc. Customer 1247573796 Admin Street: 96 Mowat Ave Admin City: Toronto Admin State/Province: ON Admin Postal Code: M4K 3K1 Admin Country: CA Admin Phone: +1.4165385487 Admin Phone Ext: Admin Fax: Admin Fax Ext: Admin Email: 1oagdkkhybnc@contactprivacy.email Registry Tech ID: Tech Name: Contact Privacy Inc. Customer 1247573796 Tech Organization: Contact Privacy Inc. Customer 1247573796 Tech Street: 96 Mowat Ave Tech City: Toronto Tech State/Province: ON Tech Postal Code: M4K 3K1 Tech Country: CA Tech Phone: +1.4165385487 Tech Phone Ext: Tech Fax: Tech Fax Ext: Tech Email: 1oagdkkhybnc@contactprivacy.email Name Server: NS-CLOUD-B1.GOOGLEDOMAINS.COM Name Server: NS-CLOUD-B2.GOOGLEDOMAINS.COM Name Server: NS-CLOUD-B3.GOOGLEDOMAINS.COM Name Server: NS-CLOUD-B4.GOOGLEDOMAINS.COM DNSSEC: signedDelegation URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/ >>> Last update of WHOIS database: 2020-06-30T12:30:01Z |
| Server IP | 76.76.21.21 |
| Server Location | United States |
| Service Provider | Amazon.com |
| Domains (TLD) | Status |
|---|---|
| systemdesignmanual.net | Available |
| systemdesignmanual.org | Available |
| systemdesignmanual.biz | Already Registered |
| systemdesignmanual.io | Already Registered |
| systemdesignmanual.info | Available |
| Domains (TLD) | Status |
|---|---|
| qystemdesignmanual.com | Available |
| wystemdesignmanual.com | Available |
| eystemdesignmanual.com | Available |
| zystemdesignmanual.com | Available |
| xystemdesignmanual.com | Available |
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