Stackoverflow.com Stack Overflow - Where Developers Learn, Share, & Build Careers

Stack Overflow is the largest, most trusted online community for developers to learn, share​ ​their programming ​knowledge, and build their careers.

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.34 sec.
Last Checked: 12/13/2019

Stackoverflow.com traffic estimate is about 3,490,735 unique visitors and 12,322,295 pageviews per day. The approximated value of stackoverflow.com is 161,911,080 USD. Every unique visitor makes about 3.53 pageviews on average.

Alexa Traffic Rank estimates that stackoverflow.com is ranked number 28 in the world, while most of its traffic comes from United States, where it occupies as high as 44 place.

Stackoverflow.com is registered under .COM top-level domain. Check other websites in .COM zone.

During the last check (November 28, 2019) stackoverflow.com has a valid and up-to-date wildcard SSL certificate issued by Let's Encrypt that expires on February 22, 2020, please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Let's Encrypt.

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

Relying on Google Mobile-Friendly test stackoverflow.com is well optimized for mobile and tablet devices.

Global Rank
56
Average Load Time
1.31sec
Links In Count
45,427
Website Value
$161.9 M
Overview
Last Updated: 12/13/2019
Overall result - stackoverflow.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: 01/12/2019
stackoverflow.com is safe.
Norton ConnectSafe evaluates stackoverflow.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 10/10/2016
stackoverflow.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: 02/18/2019
stackoverflow.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: 01/09/2019
stackoverflow.com is safe.
McAfee assesses stackoverflow.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 stackoverflow.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/09/2019
stackoverflow.com child safety is very good.
The WOT calculates reputation of the stackoverflow.com. This reputation system receives ratings from users and information from third-party sources, assesses the stackoverflow.com for safety features and confirms, whether stackoverflow.com is suitable for children.

SSL Information
Domain *.stackexchange.com
Issuer Organization Let's Encrypt
Issuer Let's Encrypt Authority X3
Algorithm RSA-SHA256
Valid form 11/24/2019
Expiration 02/22/2020
Signed Certificate is not self signed
Additional Domains *.askubuntu.com
*.blogoverflow.com
*.mathoverflow.net
*.meta.stackexchange.com
*.meta.stackoverflow.com
*.serverfault.com
*.sstatic.net
*.stackexchange.com
*.stackoverflow.com
*.stackoverflow.email
*.superuser.com
askubuntu.com
blogoverflow.com
mathoverflow.net
openid.stackauth.com
serverfault.com
sstatic.net
stackapps.com
stackauth.com
stackexchange.com
stackoverflow.blog
stackoverflow.com
stackoverflow.email
stacksnippets.net
superuser.com
Server Location

ASN Information

ASN ID: 54113
ASN Title: FASTLY - Fastly, US

Last Update: 05/29/2019

#
# 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: 54113
ASName: FASTLY
ASHandle: AS54113
RegDate: 2011-10-04
Updated: 2012-03-02
Comment: http://www.fastly.com/
Ref: https://rdap.arin.net/registry/autnum/54113

OrgName: Fastly
OrgId: SKYCA-3
Address: PO Box 78266
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2011-09-16
Updated: 2017-03-30
Ref: https://rdap.arin.net/registry/entity/SKYCA-3

OrgNOCHandle: FNO19-ARIN
OrgNOCName: Fastly Network Operations
OrgNOCPhone: +1-415-404-9374
OrgNOCEmail: noc@fastly.com
OrgNOCRef: https://rdap.arin.net/registry/entity/FNO19-ARIN

OrgTechHandle: FRA19-ARIN
OrgTechName: Fastly RIR Administrator
OrgTechPhone: +1-415-404-9374
OrgTechEmail: rir-admin@fastly.com
OrgTechRef: https://rdap.arin.net/registry/entity/FRA19-ARIN

OrgAbuseHandle: ABUSE4771-ARIN
OrgAbuseName: Abuse Account
OrgAbusePhone: +1-415-496-9353
OrgAbuseEmail: abuse@fastly.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE4771-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: STACKOVERFLOW.COM
Registry Domain ID: 108907621_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.name.com
Registrar URL: http://www.name.com
Updated Date: 2019-01-11T17:52:14Z
Creation Date: 2003-12-26T19:18:07Z
Registry Expiry Date: 2020-02-02T11:59:59Z
Registrar: Name.com, Inc.
Registrar IANA ID: 625
Registrar Abuse Contact Email: abuse@name.com
Registrar Abuse Contact Phone: 7202492374
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS-1033.AWSDNS-01.ORG
Name Server: NS-358.AWSDNS-44.COM
Name Server: NS-CLOUD-E1.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-E2.GOOGLEDOMAINS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2019-10-01T13:40:23Z


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Errors
Warnings

Last tested: 12/02/2019

Desktop
Desktop Speed
84%

Desktop Resource Breakdown
Total Resources52
Number of Hosts9
Static Resources42
JavaScript Resources7
CSS Resources4

Last tested: 12/02/2019

Mobile
Mobile Usability
67%
Mobile Speed
65%

Mobile Resource Breakdown
Total Resources52
Number of Hosts9
Static Resources42
JavaScript Resources7
CSS Resources4
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