37signals.com 37signals

A catalog of ideas — signals — that drive us.


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.30 sec.
Last Checked: 08/17/2025

37signals.com traffic volume is 48,130 unique daily visitors and their 62,087 pageviews. The web value rate of 37signals.com is 1,087,291 USD. Each visitor makes around 1.38 page views on average.

By Alexa's traffic estimates 37signals.com placed at 6,332 position over the world, while the largest amount of its visitors comes from United States, where it takes 3,081 place.

Perfect for 37signals.com that their data center (provided by company company CLOUDFLARENET - Cloudflare, Inc., US) is located in United States, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by CLOUDFLARENET - Cloudflare, Inc., US.

37signals.com registered under .COM top-level domain. Check other websites in .COM zone.

The last verification results, performed on (October 13, 2024) 37signals.com show that 37signals.com has an expired SSL certificate issued by Google Trust Services (expired on January 06, 2025). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Google Trust Services.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust 37signals.com is pretty a safe domain.

Relying Google MobileFriendly test 37signals.com is well optimized for mobile and tablet devices.


Global Rank
11,928
Average Load Time
1.16sec
Links In Count
4,807
Website Value
$1.0 M

Overview
Last Updated: 08/17/2025
Overall result - 37signals.com is safe.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton Connect Safe
Last Updated: 03/21/2025
37signals.com is safe.
Norton ConnectSafe evaluates 37signals.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 10/11/2016
37signals.com is safe.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
Google Safe Browsing
Last Updated: 01/09/2019
37signals.com is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Site Advisor
Last Updated: 02/22/2021
37signals.com is safe.
McAfee assesses 37signals.com for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze 37signals.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/09/2019
37signals.com child safety is very good.
The WOT calculates reputation of the 37signals.com. This reputation system receives ratings from users and information from third-party sources, assesses the 37signals.com for safety features and confirms, whether 37signals.com is suitable for children.

SSL Information
Domain37signals.com
Issuer OrganizationGoogle Trust Services
IssuerWE1
Algorithmecdsa-with-SHA256
Valid form10/08/2024
Expiration01/06/2025
SignedCertificate is not self signed
Additional Domains 37signals.com
*.37signals.com
Server Location

ASN Information

ASN ID: 13335
ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 04/10/2025

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335


OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

WHOIS

Domain Name: 37SIGNALS.COM
Registry Domain ID: 7210238_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.cloudflare.com
Registrar URL: http://www.cloudflare.com
Updated Date: 2024-02-21T22:38:44Z
Creation Date: 1999-06-13T01:37:08Z
Registry Expiry Date: 2027-06-13T01:37:46Z
Registrar: CloudFlare, Inc.
Registrar IANA ID: 1910
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: serverDeleteProhibited https://icann.org/epp#serverDeleteProhibited
Domain Status: serverTransferProhibited https://icann.org/epp#serverTransferProhibited
Domain Status: serverUpdateProhibited https://icann.org/epp#serverUpdateProhibited
Name Server: MERLIN.NS.CLOUDFLARE.COM
Name Server: SERENA.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-09T11:49:21Z


DNS Records
HostA RecordTTL
37signals.com104.18.1.135300
37signals.com104.18.0.135300
HostMX RecordPriorityTTL
37signals.comwork-mx.app.hey.com10300
HostNS RecordTTL
37signals.commerlin.ns.cloudflare.com86400
37signals.comserena.ns.cloudflare.com86400
HostTXT RecordTTL
37signals.com8x2rys9qrtmrt08s01k2dhf220y0bc3h300
37signals.comZOOM_verify_3PsRA01tPEqbRQuZq0ovDX300
37signals.comapple-domain-verification=fZq9u43pq901FVrX300
37signals.comgoogle-site-verification=75SnvFixCmuTIw1yttct06G6Mk7vGOqJDKqVd4sD66g300
37signals.comgoogle-site-verification=vPyWJnzga2ciedbmL9z3PaMMS7gMZba_d4KE-GXzcUI300
37signals.comhey-verification:wvrWxEPH2vgJ5hJp8cjdWfZx300
37signals.comv=spf1 include:_spf.basecamp.com include:servers.mcsv.net -all300

merlin.ns.cloudflare.com
TTL: 60
Email address: dns.cloudflare.com
Serial: 2376346407
Refresh: 10000
Retry: 2400
Expire: 604800
Minimum: 60


Errors
Warnings

Last tested: 12/02/2019

Desktop
Desktop Speed
94%

Desktop Resource Breakdown
Total Resources7
Number of Hosts3
Static Resources5
JavaScript Resources2

Last tested: 12/02/2019

Mobile
Mobile Usability
100%
Mobile Speed
95%

Mobile Resource Breakdown
Total Resources7
Number of Hosts3
Static Resources5
JavaScript Resources2
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