runestone.academy ▷ Free Online Textbooks for Math and Computer Science

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.20 sec.
Last Checked: 12/27/2024

Runestone.academy traffic volume is 20,456 unique daily visitors and their 102,281 pageviews. The web value rate of runestone.academy is 153,438 USD. Each visitor makes around 5.35 page views on average.

Runestone.academy belongs to DIGITALOCEAN-ASN - DigitalOcean, LLC, US. Check the list of other websites hosted by DIGITALOCEAN-ASN - DigitalOcean, LLC, US.

Runestone.academy registered under .ACADEMY top-level domain. Check other websites in .ACADEMY zone.

The last verification results, performed on (October 13, 2024) runestone.academy show that runestone.academy has a valid and up-to-date SSL certificate issued by Google Trust Services expiring 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 and Symantec runestone.academy is pretty a safe domain.

Relying Google MobileFriendly test runestone.academy is well optimized for mobile and tablet devices, however web page loading speed may be improved.

Runestone.academy General Information

not found

Runestone.academy Safety Information

Overview

Last Updated: 12/27/2024

Overall result - runestone.academy is safe.

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Norton Connect Safe

Last Updated: 03/30/2024

runestone.academy is safe.

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Google Safe Search

Last Updated: 05/15/2020

runestone.academy is safe.

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Google Safe Browsing

Last Updated: 01/09/2019

runestone.academy is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

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Site Advisor

Last Updated: 03/12/2021

runestone.academy is safe.

McAfee assesses runestone.academy 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 runestone.academy for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 12/27/2024

runestone.academy child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	runestone.academy
Issuer Organization	Google Trust Services
Issuer	WE1
Algorithm	ecdsa-with-SHA256
Valid form	10/08/2024
Expiration	01/06/2025
Signed	Certificate is not self signed
Additional Domains	runestone.academy *.runestone.academy

Runestone.academy Server Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 14061
ASN Title: DIGITALOCEAN-ASN - DigitalOcean, LLC, US

Last Update: 03/22/2024

ASN Whois

#
# 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
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 14061
ASName: DIGITALOCEAN-ASN
ASHandle: AS14061
RegDate: 2012-09-25
Updated: 2012-09-25
Ref: https://rdap.arin.net/registry/autnum/14061

OrgName: DigitalOcean, LLC
OrgId: DO-13
Address: 101 Ave of the Americas
Address: 10th Floor
City: New York
StateProv: NY
PostalCode: 10013
Country: US
RegDate: 2012-05-14
Updated: 2018-07-17
Comment: http://www.digitalocean.com
Comment: Simple Cloud Hosting
Ref: https://rdap.arin.net/registry/entity/DO-13

OrgAbuseHandle: ABUSE5232-ARIN
OrgAbuseName: Abuse, DigitalOcean
OrgAbusePhone: +1-347-875-6044
OrgAbuseEmail: abuse@digitalocean.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE5232-ARIN

OrgNOCHandle: NOC32014-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-347-875-6044
OrgNOCEmail: noc@digitalocean.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC32014-ARIN

OrgTechHandle: NOC32014-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-347-875-6044
OrgTechEmail: noc@digitalocean.com
OrgTechRef: https://rdap.arin.net/registry/entity/NOC32014-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.
#

Runestone.academy Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: runestone.academy
Registry Domain ID: 10be756f41024257932eb700bd356737-DONUTS
Registrar WHOIS Server: whois.tucows.com
Registrar URL: http://www.tucows.com
Updated Date: 2022-12-17T09:27:34Z
Creation Date: 2014-12-13T23:31:17Z
Registry Expiry Date: 2023-12-13T23:31:17Z
Registrar: Tucows Domains Inc.
Registrar IANA ID: 69
Registrar Abuse Contact Email: domainabuse@tucows.com
Registrar Abuse Contact Phone: 416.535.0123x1283
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Contact Privacy Inc. Customer 0139002480
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: ON
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: CA
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Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
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Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns1.hover.com
Name Server: ns2.hover.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2023-12-11T10:05:37Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Runestone.academy HTML Validation

HTML Validation Tool

Errors

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

Attribute “border” not allowed on element “input” at this point.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Stray start tag “script”.

Warnings

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

The “language” attribute on the “script” element is obsolete. You can safely omit it.

This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.

Runestone.academy Desktop Insights

Last tested: 10/03/2018

Desktop

Desktop Speed

75%

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

Enable compression

Leverage browser caching

Avoid landing page redirects

Optimize images

Reduce server response time

Minify CSS

Minify JavaScript

Minify HTML

Desktop Resource Breakdown

Total Resources	33
Number of Hosts	13
Static Resources	21
JavaScript Resources	13
CSS Resources	6

Runestone.academy Mobile Insights

Last tested: 10/03/2018

Mobile

Mobile Usability

96%

Size content to viewport

Mobile Speed

59%

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

Leverage browser caching

Avoid landing page redirects

Enable compression

Optimize images

Reduce server response time

Minify CSS

Minify JavaScript

Minify HTML

Mobile Resource Breakdown

Total Resources	33
Number of Hosts	13
Static Resources	21
JavaScript Resources	13
CSS Resources	6

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Runestone.academy Free Online Textbooks for Math and Computer Science - Runestone Academy

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Runestone.academy General Information

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Runestone.academy Server Information

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Runestone.academy Desktop Insights

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