flask.io homepage screenshot

flask.io website report

To-do lists & tasks you can share for free ✔ Flask Lists

Flask lists are free to-do lists. No sign up. Nothing to download. Just create and share flask lists on your desktop and mobile.

Flask was registered 13 years 11 months ago, is ranked #4,376,004 worldwide (top 133%), has an estimated value of $1,159. It may earn around $40 per month from advertising.

Business & Industrial English Cloudflare

Last updated

Estimated worth
$1,159
Automated valuation
Global rank
#4,376,004
Top 133%
Monthly visitors
424
21K page views
Domain age
13 years 11 months
Since Nov 5, 2012
Hosted in
United States
CloudFlare
Security headers
83/100
Response 0.74 s

Key facts about flask.io

Domain
flask.io
Website name
To-do lists & tasks you can share for free ✔ Flask Lists
Category
Business & Industrial
Estimated worth
$1,159
Global rank
#4,376,004 (top 133% of 3.3M ranked sites)
Monthly visitors (est.)
424 · 21K page views
Registered
November 5, 2012 (13 years 11 months ago)
Expires
November 5, 2026
Registrar
Gandi SAS
Server location
United States
Network
CloudFlare AS13335
CDN
Cloudflare
Email provider
Google Workspace
Language
English
Data updated

Estimated traffic & revenue

Page viewsVisitorsAd revenue
Daily70714$1
Monthly21,220424$40
Yearly254,6405,088$480

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

How we estimate flask.io's value

$1,159

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

  • Traffic value: $449Driven by the global rank #4,376,004 (≈21K page views / month) plus a capped age bonus.
  • Activity value: $1,159Domain age plus observable signs of an active, professionally run website.

Activity signals found

Domain age (13 years 11 months)$235
Active website with metadata+$150
Professional email (Google Workspace)+$150
Email authentication (SPF)+$50
CDN / performance layer (Cloudflare)+$100
Business services (Mailgun, Stripe)+$200
Security headers (83/100)+$249
IPv6 enabled+$25

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

On-page SEO

TitleTo-do lists & tasks you can share for free ✔ Flask Lists
56 chars
Meta descriptionFlask lists are free to-do lists. No sign up. Nothing to download. Just create and share flask lists on your desktop and mobile.
128 chars
Meta keywordsNone
LanguageEnglish
Response time0.74 s Fast

Homepage structure

H1 headings1
H2 headings3
H3 headings0
H4 headings0
Paragraphs5
Links12
Images4
Bold text0

Exactly one H1 heading — good practice.

Technology & infrastructure

CDN / proxyCloudflare
Web servercloudflare
Platform / languageNot disclosed
DNS providerCloudflare
Email providerGoogle Workspace
SPF recordv=spf1 include:mailgun.org ~all
IPv6 (AAAA) Yes
CAA recordNo

Services verified in DNS

Google Search Console Mailgun Stripe

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

Domain name

Extension.io — the country code of the British Indian Ocean Territory, widely used by tech start-ups
Name length5 characters Short
Hyphens / digitsNo hyphen · no digits

Security headers

83
7 passed · 1 to improve · 1 missing
Collected with an older method; a fresh check is running and will appear on your next visit.
  • HTTPSThe homepage is served over an encrypted HTTPS connection.
  • Strict-Transport-Security (HSTS)max-age 730 days, includeSubDomains.
  • Content-Security-PolicyNot set: no restriction on which scripts may run.
  • Clickjacking protectionX-Frame-Options: SAMEORIGIN prevents the site from being framed by others.
  • X-Content-Type-Optionsnosniff: browsers will not guess content types.
  • Referrer-Policystrict-origin-when-cross-origin
  • Permissions-PolicyNot set: browser features are not explicitly restricted.
  • Cookie flags1 cookie(s) set, all with Secure, HttpOnly and SameSite.
  • Software version disclosureNo software version numbers disclosed in headers.
Raw HTTP response headers
HTTP/2 200 
date: Mon, 13 Jul 2026 04:56:32 GMT
content-type: text/html; charset=utf-8
cache-control: max-age=0, private, must-revalidate
link: </assets/application-7b70c9ddbd17f01c1c9d19279a8fa03976e720904e00d4b226e50cd422a2ac5c.css>; rel=preload; as=style; nopush,</assets/rails-ujs-7910fbc642fb718c5e4cfb389a32582be19f6d5dc242d30a330fd0552b0030a8.js>; rel=preload; as=script; nopush,</assets/application-ebfc9aab98aaacb0341d91d4fc5b7618c3f1d7862dea41f686dfe0a93369ead8.js>; rel=preload; as=script; nopush
nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
referrer-policy: strict-origin-when-cross-origin
report-to: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=Vf7PjAaqQxfarN%2F5xKjMtauFOy%2FLkkaa2w%2Bg9OAOCqY%3D\u0026sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add\u0026ts=1783918592"}],"max_age":3600}
reporting-endpoints: heroku-nel="https://nel.heroku.com/reports?s=Vf7PjAaqQxfarN%2F5xKjMtauFOy%2FLkkaa2w%2Bg9OAOCqY%3D&sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add&ts=1783918592"
server: cloudflare
set-cookie: _flask_session=3%2FW7n%2Fm3g%2FA1Ce9JNHKltoZXtaVLU0%2F2b4Yly3jrp9Lz%2BzR1Csb5xcuGFYMKIettkIgfCjCkkIdbUDrmnlLJa7T%2FKndRLPGwNMc7TlmqbbiHlpWr%2FLvwVWdeP5W42aYh9Vya4ujul%2Bk1756IJ1hCN2llljCtk7To%2BTPhpqlsWq8TK05NWmT%2B78Y7%2BRz%2BmDSCmv4Wig%2BtdLZrY%2FGEG9ZSVgTE5UhkEanXxYcJAZrdhMBLcBN4iVt%2BEw51mTpOJx9WYkxOdtPkrH%2BLpPqoJULv2xNytzNxTQ%3D%3D--thzX7Lj2bCjAKRnm--g44wOE5MtpV6uhQlGVC4HA%3D%3D; path=/; secure; HttpOnly; SameSite=Lax
strict-transport-security: max-age=63072000; includeSubDomains
vary: Accept, Origin
via: 1.1 heroku-router
x-content-type-options: nosniff
x-download-options: noopen
x-frame-options: SAMEORIGIN
x-permitted-cross-domain-policies: none
x-request-id: 4b53e9a0-3b37-b2bd-fef7-5421158e0b26
x-runtime: 0.006104
x-xss-protection: 1; mode=block
cf-cache-status: DYNAMIC
cf-ray: a1a5b3a2da55d475-CDG
alt-svc: h3=":443"; ma=86400

Hosting

IP address188.114.96.2
Location United States
Network (ISP)CloudFlare
Autonomous systemAS13335 CloudFlare, Inc.
Server softwarecloudflare

Nameservers

HostIPCountry
zoe.ns.cloudflare.com108.162.192.149 United States
clyde.ns.cloudflare.com173.245.59.91 United States

Domain registration (WHOIS)

RegistrarGandi SAS
CreatedNovember 5, 2012 13 years 11 months ago
UpdatedOctober 6, 2025
ExpiresNovember 5, 2026 in 9 days
StatusclientTransferProhibited
Raw WHOIS record
Domain Name: flask.io
Registry Domain ID: REDACTED
Registrar WHOIS Server: whois.gandi.net
Registrar URL: https://www.gandi.net
Updated Date: 2025-10-06T18:22:43Z
Creation Date: 2012-11-05T03:13:48Z
Registry Expiry Date: 2026-11-05T03:13:48Z
Registrar: Gandi SAS
Registrar IANA ID: 81
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +33.170377661
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED
Registrant Name: REDACTED
Registrant Organization: 
Registrant Street: REDACTED
Registrant City: REDACTED
Registrant State/Province: MA
Registrant Postal Code: REDACTED
Registrant Country: CA
Registrant Phone: REDACTED
Registrant Phone Ext: REDACTED
Registrant Fax: REDACTED
Registrant Fax Ext: REDACTED
Registrant Email: REDACTED
Registry Admin ID: REDACTED
Admin Name: REDACTED
Admin Organization: REDACTED
Admin Street: REDACTED
Admin City: REDACTED
Admin State/Province: REDACTED
Admin Postal Code: REDACTED
Admin Country: REDACTED
Admin Phone: REDACTED
Admin Phone Ext: REDACTED
Admin Fax: REDACTED
Admin Fax Ext: REDACTED
Admin Email: REDACTED
Registry Tech ID: REDACTED
Tech Name: REDACTED
Tech Organization: REDACTED
Tech Street: REDACTED
Tech City: REDACTED
Tech State/Province: REDACTED
Tech Postal Code: REDACTED
Tech Country: REDACTED
Tech Phone: REDACTED
Tech Phone Ext: REDACTED
Tech Fax: REDACTED
Tech Fax Ext: REDACTED
Tech Email: REDACTED
Name Server: zoe.ns.cloudflare.com
Name Server: clyde.ns.cloudflare.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://icann.org/wicf/
>>> Last update of WHOIS database: 2026-07-13T04:56:30Z <<<

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

Terms of Use: Access to WHOIS information is provided to assist persons in determining the contents of a domain name registration record in the registry database. The data in this record is provided by Identity Digital or the Registry Operator for informational purposes only, and accuracy is not guaranteed. 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. When using the Whois service, please consider the following: The Whois service is not a replacement for standard EPP commands to the SRS service. Whois is not considered authoritative for registered domain objects. The Whois service may be scheduled for downtime during production or OT&E maintenance periods. Queries to the Whois services are throttled. If too many queries are received from a single IP address within a specified time, the service will begin to reject further queries for a period of time to prevent disruption of Whois service access. Abuse of the Whois system through data mining is mitigated by detecting and limiting bulk query access from single sources. Where applicable, the presence of a [Non-Public Data] tag indicates that such data is not made publicly available due to applicable data privacy laws or requirements. Should you wish to contact the registrant, please refer to the Whois records available through the registrar URL listed above. Access to non-public data may be provided, upon request, where it can be re
asonably confirmed that the requester holds a specific legitimate interest and a proper legal basis for accessing the withheld data. Access to this data provided by Identity Digital can be requested by submitting a request via the form found at https://www.identity.digital/about/policies/whois-layered-access/. 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. Identity Digital Inc. and Registry Operator reserve the right to modify these terms at any time. By submitting this query, you agree to abide by this policy.

DNS records

TypeHostValueTTL
Aflask.ioip: 188.114.96.2276
Aflask.ioip: 188.114.97.2276
NSflask.iotarget: zoe.ns.cloudflare.com86400
NSflask.iotarget: clyde.ns.cloudflare.com86400
SOAflask.iomname: clyde.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2406780288
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800
1800
MXflask.iopri: 10
target: alt4.aspmx.l.google.com
300
MXflask.iopri: 1
target: aspmx.l.google.com
300
MXflask.iopri: 5
target: alt1.aspmx.l.google.com
300
MXflask.iopri: 5
target: alt2.aspmx.l.google.com
300
MXflask.iopri: 10
target: alt3.aspmx.l.google.com
300
TXTflask.iotxt: google-site-verification=PYxyVp6IEwkcbp44jXQsrgtdlYDDQTQ6g1-RfT_qgUc300
TXTflask.iotxt: stripe-verification=08e8e23a988b9b3ea9211b070d9b75a2df16bcabb16e7c2270e04a3326d88226300
Show all 15 records
TXTflask.iotxt: v=spf1 include:mailgun.org ~all300
AAAAflask.ioipv6: 2a06:98c1:3121::2276
AAAAflask.ioipv6: 2a06:98c1:3120::2276

Websites similar to flask.io

More alternatives on Similars.net →

flask.io compared with similar websites

WebsiteGlobal rankEst. worthRegisteredHosted in
flask.io#4,376,004$1,1592012 United States
scribbless.com#28,445,768$3032009 United States
todolistsoft.com#599,490$2,6572005 United States
bethesda-list.com#2,391,017$8431996 United States
greatplacetowork.net#1,863,003$9982000 United States
mytodos.com#38,929,679$100— United States
gamerhub.gg#1,940,322$6252026 United States

Websites ranked near flask.io

  1. #4,375,964 kinetic.com.sg $270
  2. #4,375,968 infinitynet.it $420
  3. #4,375,984 galenica.ch $270
  4. #4,376,002 cdcovadonga.com $570
  5. #4,376,004 flask.io $1,159
  6. #4,376,006 zeabooks.com $270
  7. #4,376,023 compresourcegroup.com $420
  8. #4,376,030 enochs.co.uk $270
  9. #4,376,032 catedraldecordoba.es $270

Questions about flask.io

When was flask.io registered?

Flask.io was registered on November 5, 2012, making it 13 years 11 months old.

Who is the domain registrar for flask.io?

Flask.io is registered through Gandi SAS.

Where is flask.io hosted?

Flask.io's server (IP 188.114.96.2) is located in United States.

How much is flask.io worth?

We estimate flask.io is worth $1,159. 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 flask.io get?

Based on its rank, flask.io receives roughly 424 unique visitors and 21K page views per month. These figures are modelled from the rank, not measured.

What is flask.io's global rank?

Flask.io has an estimated global rank of 4,376,004, sourced from Rankeez.com, which aggregates the Tranco, Majestic, DomCop and Cisco Umbrella rankings. This is an independent estimate, not affiliated with Amazon Alexa, which discontinued its own ranking service in 2022.

Who hosts flask.io?

Flask.io resolves to 188.114.96.2, on the network of CloudFlare (AS13335), and is served through Cloudflare. Its DNS is managed by Cloudflare.

What email provider does flask.io use?

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

When does flask.io expire?

The domain registration of flask.io is valid until November 5, 2026 (in 9 days), at Gandi SAS. Owners usually renew before that date.

What websites are similar to flask.io?

Popular websites in the same category as flask.io include scribbless.com, todolistsoft.com, bethesda-list.com, greatplacetowork.net, mytodos.com.

Own flask.io? Add the badge

flask.io on StatMemory

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

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