Zfsbook.com SEO Analysis
Pagespeed Score
Desktop 93/100 ✔
Mobile 71/100 ❗
Optimization Stats
Field Data Result
Page Size 121 KB ✔
Compression 121 KB (-0%) ✔
Text/Html Ratio 16513 / 123839 (bytes) = 13.33% ✔
Load Time 0.22 second ✔
Mobile Ready 0/100 ✘
In-Page Links 174 ✔
Doc Type HTML 5 ✔
Encoding UTF-8 ✔
Declared Language EN-US ✔
Preferred Domain No ❗
Robots.txt Yes ✔
Url Rewrite No ✔
Underscores in url No ✔
Images Without ALT 2 / 10 ✘
Embedded Objects (Desktop) No ✔
Embedded Objects (Mobile) No ✔
Iframe No ✔
Custom 404 page Yes ✔
Email Privacy Yes ✔
Gsafe browsing Yes ✔
Analytics No ✘
W3C Validity No ✘
Keyword Consistency ❗
Keywords Freq Title Desc <H>
amazon 60 ✘ ✘ ✘
freebsd 25 ✘ ✘ ✘
storage 18 ✘ ✘ ✘
print 14 ✘ ✘ ✘
jails 10 ✘ ✘ ✘
openbsd 9 ✘ ✘ ✘
filesystems 9 ✘ ✘ ✘
ebook 8 ✘ ✘ ✘
advanced 7 ✘ ✘ ✘
system 7 ✔ ✘ ✘
book 7 ✘ ✘ ✘
drm-free 7 ✘ ✘ ✘
absolute 7 ✘ ✘ ✘
edition 6 ✘ ✘ ✘
operating 6 ✔ ✘ ✘
66/100
Update

May, 19 2024

With 0.22 seconds in page load, 121 KB of page size and all other reports below, the zfsbook.com has a SEO score of 66 out of 100
Meta tags data
Title Operating Systems - Michael W Lucas
Description CONFINE YOUR SOFTWARE
Keyword
Domain Registration
Age 10 Years, 75 Days
Created 6th-Mar-2014
Updated 30th-Jan-2024
Expiry 6th-Mar-2025
DNS Data
Host Type Ttl Other
zfsbook.com A 293 ip:216.246.108.140
zfsbook.com NS 300 target:oldns3.scaleengine.net
zfsbook.com NS 300 target:oldns2.scaleengine.net
zfsbook.com NS 300 target:oldns1.scaleengine.net
zfsbook.com NS 300 target:oldns4.scaleengine.net
zfsbook.com SOA 300 mname:oldns1.scaleengine.net
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zfsbook.com MX 300 pri:30
target:spamassassin3.scaleengine.net
zfsbook.com MX 300 pri:20
target:spamassassin2.scaleengine.net
zfsbook.com MX 300 pri:10
target:spamassassin1.scaleengine.net
zfsbook.com MX 300 pri:40
target:spamassassin4.scaleengine.net
zfsbook.com TXT 300 txt:v=spf1 a mx ip4:216.246.108.138 ip4:216.246.108.139 ip4:216.246.108.136/29 ip4:65.39.148.0/24 ip4:64.120.17.16/29 ip4:64.85.162.192/29 ip4:64.85.163.112/28 ?all
http Headers
HTTP/1.1 302 Found
Date: Sun, 19 May 2024 11:12:47 GMT
Server: Apache/2.2.31 (FreeBSD) mod_gzip/2.1.0 DAV/2 PHP/5.5.30 mod_ssl/2.2.31 OpenSSL/1.0.2d
Location: https://mwl.io/nonfiction/os#fmaz
Content-Length: 217
Content-Type: text/html; charset=iso-8859-1

HTTP/1.1 200 OK
Date: Sun, 19 May 2024 11:12:47 GMT
Server: Apache
X-Powered-By: PHP/8.2.18
Vary: Accept-Encoding,Cookie
Cache-Control: max-age=3, must-revalidate
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=15780000;
X-Content-Type-Options: nosniff
Permissions-Policy: interest-cohort=()
X-Clacks-Overhead: GNU Terry Pratchett
Transfer-Encoding: chunked
Content-Type: text/html; charset=UTF-8
WHOIS Data
Domain Name: zfsbook.com
Registry Domain ID: 1849457653_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.gandi.net
Registrar URL: http://www.gandi.net
Updated Date: 2024-01-30T13:50:26Z
Creation Date: 2014-03-06T21:02:39Z
Registrar Registration Expiration Date: 2025-03-06T22:02:39Z
Registrar: GANDI SAS
Registrar IANA ID: 81
Registrar Abuse Contact Email: abuse@support.gandi.net
Registrar Abuse Contact Phone: +33.170377661
Reseller:
Domain Status: clientTransferProhibited http://www.icann.org/epp#clientTransferProhibited
Domain Status:
Domain Status:
Domain Status:
Domain Status:
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization:
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Ontario
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: CA
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext:
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext:
Registrant Email: d7dcda32401a3d684bb23ed4bffe6549-17173475@contact.gandi.net
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 Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext:
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext:
Admin Email: d7dcda32401a3d684bb23ed4bffe6549-17173475@contact.gandi.net
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 Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext:
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext:
Tech Email: d7dcda32401a3d684bb23ed4bffe6549-17173475@contact.gandi.net
Name Server: OLDNS1.SCALEENGINE.NET
Name Server: OLDNS2.SCALEENGINE.NET
Name Server:
Name Server:
Name Server:
Name Server:
Name Server:
Name Server:
Name Server:
Name Server:
DNSSEC: Unsigned
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/
>>> Last update of WHOIS database: 2024-05-19T11:12:50Z
Server Location
Server IP 216.246.108.140
Server Location United States of America
Service Provider AS-COLOCROSSING
Domain Availability
Domains (TLD) Status
zfsbook.net Available
zfsbook.org Already Registered
zfsbook.biz Available
zfsbook.io Already Registered
zfsbook.info Already Registered
Typo Availability
Domains (TLD) Status
zfsbok.com Available
xfsbook.com Available
sfsbook.com Available
afsbook.com Available
zcsbook.com Available
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