Songho.ca Song Ho Ahn

This is Song's personal web site for tutorials and notes about OpenGL programming, DSP, math and more.

Songho.ca Overview

Songho.ca ranking shows that the page is at position 319,435 over the world, while the bulk of its audience is from United States, where it ranks 250,486.

It is beneficial to songho.ca that their hosting company INMOTI-1 - InMotion Hosting, Inc., US servers are located in United States, as that reduces page load time for the majority of their users. See the list of other webpages hosted on INMOTI-1 - InMotion Hosting, Inc., US servers.

In terms of rank-to-traffic ratio, songho.ca has 1,774 unique users per day, viewing 2,303 pages. The rank based value of songho.ca is 42,616 USD. Every user makes 1.39 pageviews on average.

Songho.ca boasts a link base consisting of 528 referring domains and 604 external backlinks, as revealed by the data obtained from web network scanning.

Songho.ca top-level domain belongs to .CA domain zone. Check other webpages in .CA zone.

According the last verification test in July 06, 2024, songho.ca has an expired SSL certificate issued by cPanel, Inc. (expired on August 16, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by cPanel, Inc..

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust songho.ca is a fairly safe domain.

According the Mobile-Friendly test by Google songho.ca is nice optimized for mobile devices and tablets.

Songho.ca Rank Summary

Global Rank

319,435

Average Load Time

1.17sec

Links In Count

251

Website Value

$39,459

Audience Geography. Where are songho.ca visitors located?

Country	Visitors
United States US	19.7%
India IN	9.3%
Nigeria NG	8.9%
Canada CA	7.1%
Pakistan PK	1.9%
Russian Federation RU	0.9%
Other	52.3%

Country	Pageviews
United States US	17.8%
Nigeria NG	11.1%
Canada CA	8.3%
India IN	7.4%
Pakistan PK	1.6%
Russian Federation RU	0.9%
Other	52.9%

Country	Rank
Nigeria NG	22741
Canada CA	81979
Pakistan PK	97632
India IN	173435
United States US	250486
Russian Federation RU	626259

Where do visitors go on songho.ca?

Subdomain	Pageviews
songho.ca	100%

Subdomain	Pageviews per User
songho.ca	1.3

Subdomain	Reach
songho.ca	100%

How popular is songho.ca?

Period	Global Rank	Global Rank Delta
past 3 months	319435	124470
past month	322665	-27241
past week	333836	-81686
yesterday	313394	174186

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	495374	175023	7	-42.7%	1.3	10%
30	510551	-56553	7	20%	1.3	7%
7	510703	-167256	7	60%	1	20%
1	398932	196908	9	-61.485%	2	8%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	270541	111536	2	-47.659%
30	272755	-16812	2	10%
7	285422	-59643	2	30%
1	311019	173122	2	-64.551%

Songho.ca Website Safety

Overview

Last Updated: 11/23/2024

Overall result - songho.ca 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: 03/28/2024

songho.ca is safe.

Norton ConnectSafe evaluates songho.ca for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 11/30/2016

songho.ca 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

songho.ca 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: 02/24/2021

songho.ca is safe.

McAfee assesses songho.ca 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 songho.ca for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

songho.ca child safety is good.

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

SSL Information

SSL Checker Tool

Domain	songho.ca
Issuer Organization	cPanel, Inc.
Issuer	cPanel, Inc. Certification Authority
Algorithm	RSA-SHA256
Valid form	05/18/2024
Expiration	08/16/2024
Signed	Certificate is not self signed
Additional Domains	songho.ca www.songho.ca

Songho.ca Rank History

Alexa Rank shows how popular songho.ca is in comparison with other sites. The most popular site has Alexa Rank equals 1. If songho.ca has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to songho.ca and pageviews on songho.ca over the past 3 months.

Songho.ca Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 54641

ASN Title: INMOTI-1 - InMotion Hosting, Inc., US

Last Update: 11/01/2024

#
# 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: 54641
ASName: INMOTI-1
ASHandle: AS54641
RegDate: 2012-04-17
Updated: 2012-04-17
Ref: https://rdap.arin.net/registry/autnum/54641

OrgName: InMotion Hosting, Inc.
OrgId: INMOT-1
Address: 6100 Center Drive
Address: Suite 1190
City: Los Angeles
StateProv: CA
PostalCode: 90045
Country: US
RegDate: 2008-06-03
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/INMOT-1

OrgAbuseHandle: SYSTE299-ARIN
OrgAbuseName: Systems Team
OrgAbusePhone: +1-888-321-4678
OrgAbuseEmail: abuse@inmotionhosting.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/SYSTE299-ARIN

OrgTechHandle: SYSTE299-ARIN
OrgTechName: Systems Team
OrgTechPhone: +1-888-321-4678
OrgTechEmail: abuse@inmotionhosting.com
OrgTechRef: https://rdap.arin.net/registry/entity/SYSTE299-ARIN

OrgNOCHandle: SYSTE299-ARIN
OrgNOCName: Systems Team
OrgNOCPhone: +1-888-321-4678
OrgNOCEmail: abuse@inmotionhosting.com
OrgNOCRef: https://rdap.arin.net/registry/entity/SYSTE299-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.
#

Songho.ca Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: songho.ca
Registry Domain ID: D313968-CIRA
Registrar WHOIS Server: whois.ca.fury.ca
Registrar URL: www.namesilo.com
Updated Date: 2024-09-10T15:56:41Z
Creation Date: 2005-09-18T16:04:25Z
Registry Expiry Date: 2025-09-18T04:00:00Z
Registrar: NameSilo Technologies Corp.
Registrar IANA ID: not applicable
Registrar Abuse Contact Email: cira-abuse@namesilo.com
Registrar Abuse Contact Phone: +1.6024928198
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: REDACTED FOR PRIVACY
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: REDACTED FOR PRIVACY
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Registrant Email: Please ask the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Other contacts of the queried domain name
Registry Admin ID: REDACTED FOR PRIVACY
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Admin Email: Please ask the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Other contacts of the queried domain name
Registry Tech ID: REDACTED FOR PRIVACY
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Tech Email: Please ask the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Other contacts of the queried domain name
Registry Billing ID: REDACTED FOR PRIVACY
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Billing Fax Ext: REDACTED FOR PRIVACY
Billing Email: Please ask the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Other contacts of the queried domain name
Name Server: ns1.dnsowl.com
Name Server: ns2.dnsowl.com
Name Server: ns3.dnsowl.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-11-15T12:23:05Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
songho.ca	144.208.79.224	3600

Host	MX Record	Priority	TTL
songho.ca	mx.songho.ca	30	3600

Host	NS Record	TTL

Host	TXT Record	TTL

ns1.yourhostingaccount.com
TTL: 3600
Email address: admin.yourhostingaccount.com
Serial: 2011041812
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 3600

Songho.ca HTML Check

HTML Validation Tool

Errors

Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)

Obsolete doctype. Expected “<!DOCTYPE html>”.

Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).

Bad value “text/html; charset=ISO-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.

Songho.ca Desktop Performance

Last tested: 06/18/2019

Desktop Speed

94%

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

Enable compression

Leverage browser caching

Minify CSS

Desktop Resource Breakdown

Total Resources	3
Number of Hosts	1
Static Resources	2
CSS Resources	2

Songho.ca Mobile Insights

Last tested: 01/14/2019

Mobile Usability

86%

Size content to viewport

Size tap targets appropriately

Mobile Speed

89%

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

Leverage browser caching

Enable compression

Minify CSS

Mobile Resource Breakdown

Total Resources	3
Number of Hosts	1
Static Resources	2
CSS Resources	2

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Songho.ca Song Ho Ahn

This is Song's personal web site for tutorials and notes about OpenGL programming, DSP, math and more.

Songho.ca Overview

Songho.ca Rank Summary

Songho.ca Website Safety

Songho.ca Rank History

Songho.ca Hosting Information

Songho.ca Domain Registration and Settings

Songho.ca HTML Check

Songho.ca Desktop Performance

Songho.ca Mobile Insights

Songho.ca Similar Audits

Songho.ca Common Typos