Sudoku4john.com Worth and SEO Analysis
US$96
Valuation
63/100
SEO score
August, 11 2025
Sudoku4john.com ranks around #7,316,450 globally and receives approximately 19 daily visitors. Its estimated value is $96, with an SEO score of 63 out of 100. It is hosted on IP 216.150.1.1 located in Canada, managed by Not Available. its age is 0 Years, 32 Days. The domain is set to expire on 10th-Jul-2026. PageSpeed scores are 78/100 for desktop and 78/100 for mobile.
Meta tags data
Title Sudoku4John
Description Test it in seconds, integrate it anywhere. Validate Sudoku puzzles with multiple input formats and blazing fast algorithms.
Keyword
Keyword Consistency ✔
Keywords Freq Title Desc <H> Recommendation
sudoku 5 ✔ ✔ ✔ Great SEO alignment for 'sudoku'.
numbers 2 ✘ ✘ ✘ Use 'numbers' in all sections.
each 2 ✘ ✘ ✘ Place 'each' in all SEO fields.
image 2 ✘ ✘ ✘ Add 'image' to title, desc, and heading.
first 1 ✘ ✘ ✘ Consider using 'first' in every tag.
errorrun 1 ✘ ✘ ✘ Place 'errorrun' in all SEO fields.
benchmarksrun 1 ✘ ✘ ✘ Add 'benchmarksrun' to title, desc, and heading.
benchmarks 1 ✘ ✘ ✔ Enhance 'benchmarks' visibility at the top.
compare 1 ✘ ✘ ✘ 'compare' not found, use it broadly.
algorithm 1 ✘ ✔ ✘ 'algorithm' is not well emphasized.
performanceapi 1 ✘ ✘ ✘ Add 'performanceapi' to title, desc, and heading.
single 1 ✘ ✘ ✘ Boost SEO by adding 'single' fully.
multiple 1 ✘ ✔ ✘ 'multiple' found in desc only.
early 1 ✘ ✘ ✘ Boost SEO by adding 'early' fully.
puzzle 1 ✘ ✔ ✘ Try 'puzzle' in title and heading.
DNS Data
Host Type Ttl Other
sudoku4john.com A 1775 ip:216.150.1.1
sudoku4john.com NS 1776 target:dns1.registrar-servers.com
sudoku4john.com NS 1776 target:dns2.registrar-servers.com
sudoku4john.com SOA 3601 mname:dns1.registrar-servers.com
rname:hostmaster.registrar-servers.com
serial:1752179481
refresh:43200
retry:3600
expire:604800
minimum-ttl:3601
sudoku4john.com MX 1800 pri:10
target:eforward3.registrar-servers.com
sudoku4john.com MX 1800 pri:20
target:eforward5.registrar-servers.com
sudoku4john.com MX 1800 pri:10
target:eforward1.registrar-servers.com
sudoku4john.com MX 1800 pri:10
target:eforward2.registrar-servers.com
sudoku4john.com MX 1800 pri:15
target:eforward4.registrar-servers.com
sudoku4john.com TXT 1800 txt:v=spf1 include:spf.efwd.registrar-servers.com ~all
sudoku4john.com.localhost AAAA 86400 ipv6:::1
http Headers
HTTP/1.0 308 Permanent Redirect
Content-Type: text/plain
Location: https://sudoku4john.com/
Refresh: 0;url=https://sudoku4john.com/
server: Vercel

HTTP/2 307
cache-control: public, max-age=0, must-revalidate
content-type: text/plain
date: Mon, 11 Aug 2025 03:15:00 GMT
location: https://www.sudoku4john.com/
server: Vercel
strict-transport-security: max-age=63072000
x-vercel-id: iad1::8k7sq-1754882100585-c39268d12f9b

HTTP/2 200
accept-ranges: bytes
access-control-allow-origin: *
age: 2699737
cache-control: public, max-age=0, must-revalidate
content-disposition: inline
content-type: text/html; charset=utf-8
date: Mon, 11 Aug 2025 03:15:00 GMT
etag: "f413f8d0d32842e21bc737a3521fea40"
server: Vercel
strict-transport-security: max-age=63072000
vary: RSC, Next-Router-State-Tree, Next-Router-Prefetch, Next-Router-Segment-Prefetch
x-matched-path: /
x-nextjs-prerender: 1
x-nextjs-stale-time: 300
x-vercel-cache: HIT
x-vercel-id: iad1::z9v7c-1754882100646-a93b9a848281
content-length: 79189
WHOIS Data
Domain Name: SUDOKU4JOHN.COM
Registry Domain ID: 2999382010_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2025-07-10T20:02:28Z
Creation Date: 2025-07-10T20:02:25Z
Registry Expiry Date: 2026-07-10T20:02:25Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.6613102107
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: DNS1.REGISTRAR-SERVERS.COM
Name Server: DNS2.REGISTRAR-SERVERS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-08-11T03:14:52Z <<<
Estimated Website valuation
Website Ranking7316450
Website Valuation (USD)$96
Daily ads revenue (USD)$0.19
Daily Visitors19
Weekly Visitors133
Monthly Visitors570
Pagespeed Score
Desktop78/100❗
Mobile78/100❗
Server Location
Server IP 216.150.1.1
Server Location Canada
Service Provider Not Available
Domain Registration
Age 0 Years, 32 Days
Created 10th-Jul-2025
Updated 10th-Jul-2025
Expiry 10th-Jul-2026
Optimization Stats
Field Data Result
Page Size77 KB✔
Compression9 KB (-87.9%)✔
Text/Html Ratio1826 / 79189 (bytes) = 2.31%❗
Load Time0.16 second✔
Mobile Ready0/100✘
In-Page Links1✔
Doc TypeHTML 5✔
EncodingUTF-8✔
Declared LanguageEnglish✔
Preferred DomainNo❗
Robots.txtNo✘
Url RewriteNo✔
Underscores in urlNo✔
Images Without ALT0 / 0✔
Embedded Objects (Desktop)No✔
Embedded Objects (Mobile)No✔
IframeNo✔
Custom 404 pageYes✔
Email PrivacyYes✔
Gsafe browsingYes✔
AnalyticsNo✘
W3C ValidityNo✘
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