Jacobian.org Jacob Kaplan-Moss

Jacobian.org Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 11/14/2024

Jacobian.org traffic estimate is about 28,931 unique visitors and 173,586 pageviews per day. The approximated value of jacobian.org is 249,840 USD. Every unique visitor makes about 6 pageviews on average.

Alexa Traffic Rank estimates that jacobian.org is ranked number 26,484 in the world.

Jacobian.org is registered under .ORG top-level domain. Check other websites in .ORG zone.

During the last check (July 31, 2024) jacobian.org has an expired SSL certificate issued by Let's Encrypt (expired on October 12, 2024), 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, Symantec and Web of Trust jacobian.org is pretty a safe domain.

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

Jacobian.org General Information

Jacobian.org Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors

Jacobian.org Traffic Distribution

Where do visitors go on jacobian.org?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews

Jacobian.org Popularity

How popular is jacobian.org?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta

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Jacobian.org Safety Information

Rankchart Summary

Unknown

Updated: 11/14/2024

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

Safe

Updated: 02/04/2024

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Unknown

Updated: 11/14/2024

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 01/04/2021

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McAfee assesses jacobian.org 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 jacobian.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is very good

Updated: 01/11/2019

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The WOT calculates reputation of the jacobian.org. This reputation system receives ratings from users and information from third-party sources, assesses the jacobian.org for safety features and confirms, whether jacobian.org is suitable for children.

Jacobian.org SSL Information

Information about SSL/TLS certificates

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Domain	jacobian.org
Issuer Organization	Let's Encrypt
Issuer	E5
Algorithm	ecdsa-with-SHA384
Valid form	07/14/2024
Expiration	10/12/2024
Signed	Certificate is not self signed
Additional Domains	jacobian.org

SSL Checker

Jacobian.org Server Information

Jacobian.org Server Location

Where website hosting server is located?

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Jacobian.org ASN Information

Information about IP address owner

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ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Updated: 02/24/2024

Raw ASN data:

#
# 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.
#

Geolocation

ASN Lookup

Jacobian.org Domain Name Information

Jacobian.org DNS Information

Domain name service records

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A

Host	A Record	TTL

Jacobian.org Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Jacobian.org HTML Validation

Jacobian.org W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Attribute “charset” not allowed on element “meta” at this point.

Bad value “text/html” for attribute “content” on element “meta”: The legacy encoding declaration did not start with “text/html;”.

A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Stray start tag “script”.

HTML Validator

Jacobian.org Desktop Performance

How Well Jacobian.org Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

79%

Enable compression

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Leverage browser caching

Minify CSS

Updated: 01/13/2016

Jacobian.org Mobile Performance

How Optimized Is Jacobian.org for Mobile Devices?

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Usability
Speed
Resource Breakdown

Usability

100%

Updated: 01/13/2016

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Total Resources	10
Number of Hosts	5
Static Resources	7
JavaScript Resources	3
CSS Resources	3

CSS	505.0 KBytes
HTML	8.9 KBytes
JavaScript	95.0 KBytes
Other	917.0 Bytes

Total Resources	10
Number of Hosts	5
Static Resources	7
JavaScript Resources	3
CSS Resources	3

CSS	496.3 KBytes
HTML	8.9 KBytes
JavaScript	95.0 KBytes
Other	916.0 Bytes