Lewiscenter.org Lewis Center for Educational Research - Home

Lewiscenter.org Overview

Lewiscenter.org ranking shows that the page is at position 2,493,534 over the world.

Lewiscenter.org hosting company servers are placed in the United States, but, unfortunately, it’s not possible to identify the countries where the bulk of lewiscenter.org users come from and, therefore, we couldn’t define if the distance can influence the webpage load time. See the list of other webpages hosted on SBCSS - San Bernardino County Superintendent of Schools, US servers.

In terms of rank-to-traffic ratio, lewiscenter.org has 297 unique users per day, viewing 299 pages. The rank based value of lewiscenter.org is 3,154 USD. Every user makes 1.08 pageviews on average.

Lewiscenter.org boasts a link base consisting of 279 referring domains and 333 external backlinks, as revealed by the data obtained from web network scanning.

Lewiscenter.org top-level domain belongs to .ORG domain zone. Check other webpages in .ORG zone.

According the last verification test in July 17, 2024, lewiscenter.org has an expired wildcard SSL certificate issued by GoDaddy.com, Inc. (expired on September 07, 2020). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by GoDaddy.com, Inc..

Based on data from Google Safe Browsing, Google Safe Search and Symantec lewiscenter.org is a fairly safe domain.

According the Mobile-Friendly test by Google lewiscenter.org is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Lewiscenter.org Rank Summary

Global Rank

2,493,534

Average Load Time

0.68sec

Links In Count

143

Website Value

$2,920

Audience Geography. Where are lewiscenter.org visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on lewiscenter.org?

Subdomain	Pageviews
aae.lewiscenter.org	90%
other	10%

Subdomain	Pageviews per User
aae.lewiscenter.org	1

Subdomain	Reach
aae.lewiscenter.org	89.83%

How popular is lewiscenter.org?

Period	Global Rank	Global Rank Delta
past 3 months	2493534	113706
past month	2600682	-130123
past week	1645010	-3010804
yesterday	1593168	569503

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	3526385	575060	0	-23.46%	1	-30.26%
30	3586676	-7570	0	2%	1	-11.97%
7	2260620	-2659528	1	500%	1	0%
1	1704712	530315	1	-76.792%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	2084907	-142813	14	9%
30	2246307	-187850	1	20%
7	1390193	-3128853	3	500%
1	1551401	615966	2	-76.792%

Lewiscenter.org Website Safety

Overview

Last Updated: 03/31/2025

Overall result - lewiscenter.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: 04/03/2024

lewiscenter.org is safe.

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

Google Safe Search

Last Updated: 01/16/2017

lewiscenter.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

lewiscenter.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: 03/03/2021

lewiscenter.org is safe.

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

Web of Trust

Last Updated: 03/31/2025

lewiscenter.org child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	*.lewiscenter.org
Issuer Organization	GoDaddy.com, Inc.
Issuer	Go Daddy Secure Certificate Authority - G2
Algorithm	RSA-SHA256
Valid form	09/07/2017
Expiration	09/07/2020
Signed	Certificate is not self signed
Additional Domains	*.lewiscenter.org lewiscenter.org

Lewiscenter.org Rank History

Alexa Rank shows how popular lewiscenter.org is in comparison with other sites. The most popular site has Alexa Rank equals 1. If lewiscenter.org 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 lewiscenter.org and pageviews on lewiscenter.org over the past 3 months.

Lewiscenter.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 22315

ASN Title: SBCSS - San Bernardino County Superintendent of Schools, US

Last Update: 11/10/2024

#
# 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: 22315
ASName: SBCSS
ASHandle: AS22315
RegDate: 2001-09-06
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/22315

OrgName: San Bernardino County Superintendent of Schools
OrgId: SBCSS
Address: 601 North E Street
City: San Bernardino
StateProv: CA
PostalCode: 92415-0020
Country: US
RegDate: 1992-07-28
Updated: 2014-10-22
Ref: https://rdap.arin.net/registry/entity/SBCSS

OrgTechHandle: ZS80-ARIN
OrgTechName: NOC
OrgTechPhone: +1-909-386-2450
OrgTechEmail: noc@sbcss.k12.ca.us
OrgTechRef: https://rdap.arin.net/registry/entity/ZS80-ARIN

OrgAbuseHandle: ZS80-ARIN
OrgAbuseName: NOC
OrgAbusePhone: +1-909-386-2450
OrgAbuseEmail: noc@sbcss.k12.ca.us
OrgAbuseRef: https://rdap.arin.net/registry/entity/ZS80-ARIN

RTechHandle: ZS80-ARIN
RTechName: NOC
RTechPhone: +1-909-386-2450
RTechEmail: noc@sbcss.k12.ca.us
RTechRef: https://rdap.arin.net/registry/entity/ZS80-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.
#

Lewiscenter.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: lewiscenter.org
Registry Domain ID: caba883d6c984603afdece0c2fce9a77-LROR
Registrar WHOIS Server: http://whois.godaddy.com
Registrar URL: http://www.whois.godaddy.com
Updated Date: 2024-10-26T20:06:08Z
Creation Date: 2000-09-11T20:05:37Z
Registry Expiry Date: 2025-09-11T20:05:37Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: +1.4806242505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
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: Domains By Proxy, LLC
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Arizona
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
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
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin 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 Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
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: kuhn.lewiscenter.org
Name Server: borges.lewiscenter.org
Name Server: mickey.sbcss.k12.ca.us
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-12-22T02:44:24Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
lewiscenter.org	163.150.129.105	3600

Host	MX Record	Priority	TTL
lewiscenter.org	locke.lewiscenter.org	5	3600

Host	NS Record	TTL
lewiscenter.org	kuhn.lewiscenter.org	3600
lewiscenter.org	ns1.sbcss.k12.ca.us	3600
lewiscenter.org	ns1.lewiscenter.org	3600

Host	TXT Record	TTL

kuhn.lewiscenter.org
TTL: 3600
Email address: hostmaster.lewiscenter.org
Serial: 2022072801
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 3600

Lewiscenter.org HTML Check

HTML Validation Tool

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

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

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

Empty heading.

The first occurrence of ID “search” was here.

The first occurrence of ID “ccmsBanner0” was here.

Errors

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

Duplicate ID “search”.

Attribute “alt” not allowed on element “button” at this point.

Bad value “documents/Departments/Annual Notification 2017-18 rev June 2017 English.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “documents/Departments/Annual Notification rev June 2017 Spanish.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “documents/Departments/UCP Brochure rev July 2017 English.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “documents/Departments/UCP Brochure rev July 2017 Spanish.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Stray end tag “ul”.

Duplicate ID “ccmsBanner0”.

Attribute “alt” not allowed on element “a” at this point.

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 “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “border” attribute on the “table” element is obsolete. Use CSS instead.

The “width” attribute on the “td” element is obsolete. Use CSS instead.

Bad value “tel:(760) 946-5414” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

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

Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.

End tag “div” seen, but there were open elements.

Unclosed element “catapultcms”.

Lewiscenter.org Desktop Performance

Last tested: 11/24/2019

Desktop Speed

38%

Optimize images

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

Leverage browser caching

Minify JavaScript

Minify CSS

Minify HTML

Desktop Resource Breakdown

Total Resources	52
Number of Hosts	6
Static Resources	37
JavaScript Resources	16
CSS Resources	17

Lewiscenter.org Mobile Insights

Last tested: 09/06/2019

Mobile Usability

95%

Size tap targets appropriately

Mobile Speed

30%

Optimize images

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

Leverage browser caching

Minify JavaScript

Minify CSS

Minify HTML

Mobile Resource Breakdown

Total Resources	54
Number of Hosts	6
Static Resources	38
JavaScript Resources	16
CSS Resources	17

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Lewiscenter.org Lewis Center for Educational Research - Home

Lewiscenter.org Overview

Lewiscenter.org Rank Summary

Lewiscenter.org Website Safety

Lewiscenter.org Rank History

Lewiscenter.org Hosting Information

Lewiscenter.org Domain Registration and Settings

Lewiscenter.org HTML Check

Lewiscenter.org Desktop Performance

Lewiscenter.org Mobile Insights

Lewiscenter.org Similar Audits

Lewiscenter.org Common Typos