sparcopen.org ▷ SPARC: Advancing Open Access, Open Data, Open Education

Quick Summary

Online Status

Offline

Server IP address resolved: No
Http response code: None
Last Checked: 08/16/2025

Sparcopen.org traffic volume is 209 unique daily visitors and their 417 pageviews. The web value rate of sparcopen.org is 3,124 USD. Each visitor makes around 2.14 page views on average.

By Alexa's traffic estimates sparcopen.org placed at 34,734 position over the world.

Sparcopen.org server is located in United States, therefore, we cannot identify the countries where the traffic is originated and if the distance can potentially affect the page load time. See the list of other web pages hosted by CLOUDFLARENET - Cloudflare, Inc., US.

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

The last verification results, performed on (June 30, 2025) sparcopen.org show that sparcopen.org has a valid and up-to-date SSL certificate issued by Google Trust Services expiring on August 18, 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 sparcopen.org is pretty a safe domain.

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

Sparcopen.org General Information

Global Rank

1,732,351

Average Load Time

0.00sec

Links In Count

159

Website Value

$2,920

Audience Geography. Where are sparcopen.org visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on sparcopen.org?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is sparcopen.org?

Period	Global Rank	Global Rank Delta
past 3 months	1732351	793627
past month	1899303	-593420

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1928770	723036	1	-54.599%	2	20%
30	1882469	-780681	1	100%	2	50%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1757364	889718	2	-60.465%
30	2024553	-426956	2	50%

Sparcopen.org Safety Information

Overview

Last Updated: 08/16/2025

Overall result - sparcopen.org 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: 02/12/2025

sparcopen.org is safe.

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

Google Safe Search

Last Updated: 03/16/2017

sparcopen.org 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

sparcopen.org 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: 02/15/2021

sparcopen.org is safe.

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

Web of Trust

Last Updated: 08/16/2025

sparcopen.org child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	sparcopen.org
Issuer Organization	Google Trust Services
Issuer	WE1
Algorithm	ecdsa-with-SHA256
Valid form	05/20/2025
Expiration	08/18/2025
Signed	Certificate is not self signed
Additional Domains	sparcopen.org *.sparcopen.org

Sparcopen.org Server Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

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

Last Update: 12/26/2024

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
#
# 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.
#

Sparcopen.org Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

DNS Records

DNS Lookup Tool

Host	A Record	TTL
sparcopen.org	172.67.203.192	300
sparcopen.org	104.21.14.153	300

Host	MX Record	Priority	TTL
sparcopen.org	aspmx.l.google.com	1	300
sparcopen.org	aspmx2.googlemail.com	10	300
sparcopen.org	aspmx3.googlemail.com	10	300
sparcopen.org	alt1.aspmx.l.google.com	5	300
sparcopen.org	alt2.aspmx.l.google.com	5	300

Host	NS Record	TTL
sparcopen.org	leia.ns.cloudflare.com	86400
sparcopen.org	norman.ns.cloudflare.com	86400

Host	TXT Record	TTL
sparcopen.org	google-site-verification=37XMGrIQ1GAHt65Tew4U9NRjtKF9ayjMXc-zZy7mMhQ	300
sparcopen.org	google-site-verification=CFlCu9WFilmSsE0ZnpIwrsWMSEB2CkAGQda-NcoqXVU	300
sparcopen.org	google-site-verification=t6vjYGNnMJuNcVUYY3yJ0P3REFeSaI08sGxD1_m2Yq8	300
sparcopen.org	sa-verify-f6du71g8a1	300
sparcopen.org	v=spf1 include:_spf.google.com include:spf.memberzone.com include:relay.mailchannels.net ~all	300

leia.ns.cloudflare.com
TTL: 1800
Email address: dns.cloudflare.com
Serial: 2374162106
Refresh: 10000
Retry: 2400
Expire: 604800
Minimum: 1800

Sparcopen.org 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”.

A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

Attribute “href” not allowed on element “div” at this point.

Duplicate ID “mobile-nav”.

Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

Duplicate ID “menu-main-menu”.

Duplicate ID “branding”.

Duplicate ID “Layer_8”.

Attribute “align” not allowed on element “section” at this point.

Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.

Attribute “fill:” not allowed on element “path” at this point.

Attribute “"#1f2222"” not allowed on element “path” at this point.

Attribute “fill:” not allowed on element “circle” at this point.

Attribute “"#1f2222"” not allowed on element “circle” at this point.

HTML start tag “h5” in a foreign namespace context.

Element “h5” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Duplicate ID “icon”.

Bad value “” for attribute “src” on element “img”: Must be non-empty.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

The element “button” must not appear as a descendant of the “a” element.

Stray end tag “div”.

Warnings

The first occurrence of ID “mobile-nav” was here.

The “navigation” role is unnecessary for element “nav”.

The first occurrence of ID “menu-main-menu” was here.

The first occurrence of ID “branding” was here.

The first occurrence of ID “Layer_8” was here.

Attribute “fill:” is not serializable as XML 1.0.

Attribute “"#1f2222"” is not serializable as XML 1.0.

The first occurrence of ID “icon” was here.

Sparcopen.org Desktop Insights

Last tested: 02/05/2019

Desktop

Desktop Speed

75%

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

Leverage browser caching

Reduce server response time

Optimize images

Minify JavaScript

Enable compression

Minify HTML

Minify CSS

Desktop Resource Breakdown

Total Resources	46
Number of Hosts	14
Static Resources	24
JavaScript Resources	17
CSS Resources	10

Sparcopen.org Mobile Insights

Last tested: 02/05/2019

Mobile

Mobile Usability

93%

Size tap targets appropriately

Mobile Speed

56%

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

Leverage browser caching

Reduce server response time

Optimize images

Minify JavaScript

Enable compression

Minify HTML

Minify CSS

Mobile Resource Breakdown

Total Resources	45
Number of Hosts	14
Static Resources	25
JavaScript Resources	18
CSS Resources	10

Sparcopen.org Typos

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Sparcopen.org SPARC: Advancing Open Access, Open Data, Open Education

SPARC is committed to empowering people to solve big problems and make new discoveries through the adoption of Open Access, Open Data, and Open Educat...

Quick Summary

Sparcopen.org General Information

Sparcopen.org Safety Information

Sparcopen.org Server Information

Sparcopen.org Domain Name Information

Sparcopen.org HTML Validation

Sparcopen.org Desktop Insights

Sparcopen.org Mobile Insights

Sparcopen.org Nearest Competitors

Sparcopen.org Typos