extension.org homepage screenshot

extension.org website report

429 Too Many Requests

Extension was registered 22 years 7 months ago, is ranked #25,337 worldwide (top 0.76%), has an estimated value of $104,243. It may earn around $7,288 per month from advertising.

Education English

Last updated

Estimated worth
$104K
$104,243
Global rank
#25,337
Improving
Monthly visitors
76K
3.8M page views
Domain age
22 years 7 months
Since Mar 11, 2004
Hosted in
—
Vibrant Media
Security headers
56/100
Response 0.73 s

Key facts about extension.org

Domain
extension.org
Website name
429 Too Many Requests
Category
Education
Estimated worth
$104,243
Global rank
#25,337 (top 0.76% of 3.3M ranked sites)
Monthly visitors (est.)
76K · 3.8M page views
Registered
March 11, 2004 (22 years 7 months ago)
Expires
March 11, 2027
Registrar
Amazon Registrar, Inc.
Network
Vibrant Media
Email provider
Google Workspace
Language
English
Data updated

Estimated traffic & revenue

Page viewsVisitorsAd revenue
Daily127,3062,546$243
Monthly3,819,16976,383$7,288
Yearly45,830,028916,596$87,456

Modelled from the global rank — not measured analytics. Use them to compare sites, not as exact figures.

Global rank history

#25K #18.3M #36.7M 2026-06: #36,660,922 Jun 26 2026-07: #25,337 Jul 26
Monthly values
MonthGlobal rank
2026-06#36,660,922
2026-07#25,337

Source: Rankeez (Tranco, Majestic, DomCop, Cisco Umbrella).

How we estimate extension.org's value

$104,243

The estimate is the higher of two independent approaches, both computed automatically from public data.

  • Traffic value: $104,243Driven by the global rank #25,337 (≈3.8M page views / month) plus a capped age bonus.
  • Activity value: $1,283Domain age plus observable signs of an active, professionally run website.

Activity signals found

Domain age (22 years 7 months)$365
Active website with metadata+$150
Professional email (Google Workspace)+$150
Email authentication (SPF)+$50
Business services (Amazon SES, Google Workspace, Mailchimp, Mailgun)+$400
Security headers (56/100)+$168

Revenue, sales or private analytics are not public and are not included. This is not an appraisal or a sale price.

On-page SEO

Title429 Too Many Requests
21 chars
Meta descriptionMissing
Meta keywordsNone
LanguageEnglish
Response time0.73 s Fast

Homepage structure

H1 headings1
H2 headings0
H3 headings0
H4 headings0
Paragraphs2
Links0
Images0
Bold text0

Exactly one H1 heading — good practice.

Technology & infrastructure

CDN / proxyNone detected
Web servernginx
Platform / languageWordPress
DNS providerAmazon Route 53
Email providerGoogle Workspace
SPF recordv=spf1 mx ip4:72.55.140.81 ip4:52.26.44.93/32 ip4:66.147.239.72 ip4:52.24.83.101/32 a:smtpout.cm-hosting.com include:_spf.google.com include:amazonses.com include:sendgrid.net include:servers.mcsv.net include:email1.kayako.com include:mailgun.org ?all
IPv6 (AAAA)No
CAA recordNo

Services verified in DNS

Amazon SES Google Workspace Mailchimp Mailgun SendGrid

Detected from TXT verification and SPF records published by the domain owner.

Domain name

Extension.org — a generic extension popular with non-profits and communities
Name length9 characters Medium
Hyphens / digitsNo hyphen · no digits

Security headers

56
4 passed · 2 to improve · 3 missing
Homepage answered HTTP 200 at https://extension.org/ · checked Oct 26, 2026
  • HTTPSThe homepage is served over an encrypted HTTPS connection.
  • HTTP → HTTPS redirectVisitors typing http:// are redirected to the secure version.
  • Strict-Transport-Security (HSTS)max-age 365 days.
  • Content-Security-PolicyNot set: no restriction on which scripts may run.
  • Clickjacking protectionNeither X-Frame-Options nor CSP frame-ancestors is set.
  • X-Content-Type-OptionsNot set to nosniff.
  • Referrer-PolicyNot set (browsers default to strict-origin-when-cross-origin).
  • Permissions-PolicyNot set: browser features are not explicitly restricted.
  • Software version disclosureNo software version numbers disclosed in headers.
Raw HTTP response headers
HTTP/2 200
server: nginx
date: Mon, 26 Oct 2026 02:04:05 GMT
content-type: text/html; charset=UTF-8
strict-transport-security: max-age=31536000
vary: Accept-Encoding, accept, content-type, cookie
last-modified: Mon, 26 Oct 2026 01:05:12 GMT
cache-control: max-age=258, must-revalidate
x-nananana: Batcache-Hit
host-header: wpcloud
p3p: CP="ALL DSP NID CURa ADMa DEVa HISa OTPa OUR NOR NAV DEM"
link: <https://extension.org/wp-json/>; rel="https://api.w.org/", <https://extension.org/wp-json/wp/v2/pages/16>; rel="alternate"; title="JSON"; type="application/json", <https://extension.org/>; rel=shortlink
content-encoding: br
x-ac: 36.cdg _atomic_ams STALE
x-remembering: Eric Binnion <https://friendsofericbinnion.wordpress.com/>
alt-svc: clear
server-timing: a8c-cdn, dc;desc=cdg, cache;desc=STALE;dur=4.0

Hosting

IP address199.16.173.240
Location—
Network (ISP)Vibrant Media
Server softwarenginx

Nameservers

HostIPCountry
ns-1254.awsdns-28.org205.251.196.230 United States
ns-1788.awsdns-31.co.uk205.251.198.252 United States
ns-25.awsdns-03.com205.251.192.25 United States
ns-588.awsdns-09.net205.251.194.76 United States

Domain registration (WHOIS)

RegistrarAmazon Registrar, Inc.
CreatedMarch 11, 2004 22 years 7 months ago
UpdatedMay 5, 2026
ExpiresMarch 11, 2027 in 133 days
StatusclientTransferProhibited
Raw WHOIS record
Domain Name: extension.org
Registry Domain ID: REDACTED
Registrar WHOIS Server: whois.registrar.amazon
Registrar URL: http://registrar.amazon.com
Updated Date: 2026-05-05T23:25:30Z
Creation Date: 2004-03-11T19:42:10Z
Registry Expiry Date: 2027-03-11T19:42:10Z
Registrar: Amazon Registrar, Inc.
Registrar IANA ID: 468
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.2024422253
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: ns-1254.awsdns-28.org
Name Server: ns-1788.awsdns-31.co.uk
Name Server: ns-25.awsdns-03.com
Name Server: ns-588.awsdns-09.net
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://icann.org/wicf/
>>> Last update of WHOIS database: 2026-07-13T02:43:55Z <<<

For more information on Whois status codes, please visit https://icann.org/epp

Terms of Use: Access to Public Interest Registry WHOIS information is provided to assist persons in determining the contents of a domain name registration record in the Public Interest Registry registry database. The data in this record is provided by Public Interest Registry for informational purposes only, and Public Interest Registry does not guarantee its accuracy. This service is intended only for query-based access. You agree that you will use this data only for lawful purposes and that, under no circumstances will you use this data to (a) allow, enable, or otherwise support the transmission by e-mail, telephone, or facsimile of mass unsolicited, commercial advertising or solicitations to entities other than the data recipient's own existing customers; or (b) enable high volume, automated, electronic processes that send queries or data to the systems of Registry Operator, a Registrar, or Identity Digital except as reasonably necessary to register domain names or modify existing registrations. All rights reserved. Public Interest Registry reserves the right to modify these terms at any time. By submitting this query, you agree to abide by this policy.  The Registrar of Record identified in this output may have an RDDS service that can be queried for additional information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.

DNS records

TypeHostValueTTL
Aextension.orgip: 199.16.172.13042
Aextension.orgip: 199.16.173.24042
NSextension.orgtarget: ns-1788.awsdns-31.co.uk86400
NSextension.orgtarget: ns-588.awsdns-09.net86400
NSextension.orgtarget: ns-25.awsdns-03.com86400
NSextension.orgtarget: ns-1254.awsdns-28.org86400
SOAextension.orgmname: ns-1254.awsdns-28.org
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400
900
MXextension.orgpri: 10
target: alt3.aspmx.l.google.com
300
MXextension.orgpri: 1
target: aspmx.l.google.com
300
MXextension.orgpri: 5
target: alt2.aspmx.l.google.com
300
MXextension.orgpri: 10
target: alt4.aspmx.l.google.com
300
MXextension.orgpri: 5
target: alt1.aspmx.l.google.com
300
TXTextension.orgtxt: v=spf1 mx ip4:72.55.140.81 ip4:52.26.44.93/32 ip4:66.147.239.72 ip4:52.24.83.101/32 a:smtpout.cm-hosting.com include:_spf.google.com include:amazonses.com include:sendgrid.net include:servers.mcsv.net include:email1.kayako.com include:mailgun.org ?all300

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extension.org compared with similar websites

WebsiteGlobal rankEst. worthRegisteredHosted in
extension.org#25,337$104K2004—
gunghoonline.com#121,154$16,1212012 United States
goodmorningwilton.com#583,016$2,6312013 United States
craftsmanship.net#586,547$2,7792002—
photolari.com#617,346$2,4112016 United States
gaydesertguide.com#723,667$2,0802012 United States
genovaquotidiana.com#733,390$2,0062016 United States

Websites ranked near extension.org

  1. #25,326 firstdata.com $104K
  2. #25,328 tablecheck.com $104K
  3. #25,329 shanghairanking.com $104K
  4. #25,333 blogspot.fi $104K
  5. #25,337 extension.org $104K
  6. #25,338 atomicwallet.io $104K
  7. #25,341 meduniwien.ac.at $104K
  8. #25,342 volksstimme.de $104K
  9. #25,342 aub.edu.lb $104K

Questions about extension.org

When was extension.org registered?

Extension.org was registered on March 11, 2004, making it 22 years 7 months old.

Who is the domain registrar for extension.org?

Extension.org is registered through Amazon Registrar, Inc..

How much is extension.org worth?

We estimate extension.org is worth $104,243. This is an automated estimate based on the site's global traffic rank, domain age and observable activity signals (professional email, business services, security, CDN) — not a professional appraisal or a real sale price.

How much traffic does extension.org get?

Based on its rank, extension.org receives roughly 76K unique visitors and 3.8M page views per month. These figures are modelled from the rank, not measured.

What is extension.org's global rank?

Extension.org has an estimated global rank of 25,337, sourced from Rankeez.com, which aggregates the Tranco, Majestic, DomCop and Cisco Umbrella rankings. Its rank has improved over the tracked period. This is an independent estimate, not affiliated with Amazon Alexa, which discontinued its own ranking service in 2022.

Who hosts extension.org?

Extension.org resolves to 199.16.173.240, on the network of Vibrant Media. Its DNS is managed by Amazon Route 53.

What email provider does extension.org use?

According to its MX records, extension.org receives email with Google Workspace. It publishes an SPF record to authenticate its outgoing mail.

When does extension.org expire?

The domain registration of extension.org is valid until March 11, 2027 (in 133 days), at Amazon Registrar, Inc.. Owners usually renew before that date.

What websites are similar to extension.org?

Popular websites in the same category as extension.org include gunghoonline.com, goodmorningwilton.com, craftsmanship.net, photolari.com, gaydesertguide.com.

Own extension.org? Add the badge

extension.org on StatMemory

Shows your live global rank. To cite this report: “StatMemory, extension.org website report, https://statmemory.com/extension.org”.

StatMemory is not affiliated with extension.org. This report shows publicly available data (DNS, WHOIS, HTTP headers, public top-site lists) and automated estimates for information purposes.