Dnalc.org CSHL DNA Learning Center

DNA, genetics, and biotechnology hands-on educational programs and online resources for students, educators, and the public.

Dnalc.org Overview

DNALC.org is an online platform designed for students, educators, and the public to access DNA, genetics, and biotechnology resources. The website serves as a hub for all educational and informative requirements relating to molecular biology. The site is hosted by Cold Spring Harbor Laboratory (CSHL) and is equipped with numerous features that ensure easy navigation and access of content.

The website has a clean and tidy design making it easy for users to explore various tabs. The user interface is intuitive and designed with the user in mind making it a suitable platform, even for those who are not tech-savvy. The site is family-friendly, featuring content that is appropriate for all ages. It features an extensive range of informational articles, educational videos, virtual labs, and extensive DNA resources that allow users to gain essential knowledge.

DNALC.org is a reputable platform that has garnered over 2908 unique users per day. It features up to 4362 page views, making it a high-value website with a value of 80300 USD. One of the significant advantages of the website is its high-quality content. It is informative, detailed, and comes across in a simple language that is easy to understand for users across all levels.

CSHL, the website host, also offers exceptional customer support. They ensure that the site is updated regularly, and the contents are up to date. This makes DNALC.org an attractive hub for users looking to improve their knowledge, expand their minds, and sharpen their molecular biology skills.

When analyzed by Pagespeed Insights, the website scored 57, indicating room for improvement in terms of speed. However, this should not deter potential users from the site as it does not affect the quality and quantity of content available on the platform.

Overall DNALC.org is an intuitive and informative platform that is family-friendly and caters to a wide range of users. It is an essential tool for learning and research and offers a conducive environment for anyone looking to expand their knowledge in molecular biology.

Dnalc.org Rank Summary

Global Rank

157,375

Average Load Time

0.14sec

Links In Count

929

Website Value

$80,300

Audience Geography. Where are dnalc.org visitors located?

Country	Visitors
United States US	61.9%
United Kingdom GB	5.7%
Canada CA	5.4%
India IN	4.1%
Pakistan PK	1.9%
South Africa ZA	1.3%
Egypt EG	1.1%
Malaysia MY	0.7%
Indonesia ID	0.5%
Other	17.4%

Country	Pageviews
United States US	59.8%
India IN	5.6%
United Kingdom GB	4.6%
Canada CA	4.4%
South Africa ZA	2.1%
Pakistan PK	1.5%
Egypt EG	1.3%
Indonesia ID	1.1%
Malaysia MY	0.5%
Other	19.2%

Country	Rank
United States US	43246
South Africa ZA	46890
Pakistan PK	47072
Canada CA	52422
Egypt EG	55118
United Kingdom GB	74307
Malaysia MY	75456
India IN	122673
Indonesia ID	130854

Where do visitors go on dnalc.org?

Subdomain	Pageviews
dnalc.org	92.12%
labcenter.dnalc.org	2.28%
content.dnalc.org	1.98%
other	3.62%

Subdomain	Pageviews per User
dnalc.org	1.4
content.dnalc.org	1
labcenter.dnalc.org	1

Subdomain	Reach
dnalc.org	94.79%
labcenter.dnalc.org	2.2%
content.dnalc.org	2.05%

How popular is dnalc.org?

Period	Global Rank	Global Rank Delta
past 3 months	157375	-15102
past month	147751	6845
past week	147968	-4175
yesterday	173549	-45392

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	229584	6223	19	-1.85%	1.5	-20.42%
30	226472	34320	2	-17.34%	1.4	-21.79%
7	230681	6474	2	-4.17%	1.4	-10.06%
1	306062	-22123	2	40%	1	-23.66%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	139002	-23821	46	20%
30	127692	-2842	52	5%
7	128798	-8322	52	7%
1	145233	-46076	6	80%

Dnalc.org Website Safety

Overview

Last Updated: 12/26/2024

Overall result - dnalc.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: 03/24/2024

dnalc.org is safe.

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

Google Safe Search

Last Updated: 11/01/2016

dnalc.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

dnalc.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: 02/23/2021

dnalc.org is safe.

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

Web of Trust

Last Updated: 01/10/2019

dnalc.org child safety is very good.

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

SSL Information

SSL Checker Tool

WARNING!	Certificate download error. Previous scan results are shown below.
Domain	dnalc.org
Issuer Organization	Unknown
Issuer	Entrust Certification Authority - L1K
Algorithm	RSA-SHA256
Valid form	06/18/2018
Expiration	08/02/2020
Signed	Certificate is not self signed
Additional Domains	dnalc.org summercamps.dnalc.org content.dnalc.org www.dnalc.org

Dnalc.org Rank History

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

Dnalc.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13748

ASN Title: CSHL - Cold Spring Harbor Laboratory, US

Last Update: 07/20/2024

#
# 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: 13748
ASName: CSHL
ASHandle: AS13748
RegDate: 2014-04-17
Updated: 2014-04-17
Comment: http://www.cshl.edu
Ref: https://rdap.arin.net/registry/autnum/13748

OrgName: Cold Spring Harbor Laboratory
OrgId: CSHL
Address: Bungtown Road
City: Cold Spring Harbor
StateProv: NY
PostalCode: 11724
Country: US
RegDate: 1990-03-26
Updated: 2007-02-02
Ref: https://rdap.arin.net/registry/entity/CSHL

OrgAbuseHandle: NAC54-ARIN
OrgAbuseName: Network Abuse Complaints
OrgAbusePhone: +1-516-367-8390
OrgAbuseEmail: abuse@cshl.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/NAC54-ARIN

OrgTechHandle: NTC10-ARIN
OrgTechName: Network Technical Contact
OrgTechPhone: +1-516-367-8390
OrgTechEmail: arintech@cshl.edu
OrgTechRef: https://rdap.arin.net/registry/entity/NTC10-ARIN

OrgNOCHandle: NOC2442-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-516-367-8390
OrgNOCEmail: netops@cshl.edu
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC2442-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.
#

Dnalc.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: dnalc.org
Registry Domain ID: a1969dc753ce488b957dfbefe808d448-LROR
Registrar WHOIS Server: http://whois.cscglobal.com
Registrar URL: http://www.cscglobal.com/global/web/csc/digital-brand
Updated Date: 2023-10-13T16:06:39Z
Creation Date: 1999-10-04T18:20:32Z
Registry Expiry Date: 2024-10-04T18:20:32Z
Registrar: CSC Corporate Domains, Inc.
Registrar IANA ID: 299
Registrar Abuse Contact Email: domainabuse@cscglobal.com
Registrar Abuse Contact Phone: +1.8887802723
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: DNA LEARNING CENTER
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: NY
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: jen.ns.cloudflare.com
Name Server: vin.ns.cloudflare.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-26T02:05:53Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
dnalc.org	143.48.220.35	10800

Host	MX Record	Priority	TTL

Host	NS Record	TTL
dnalc.org	ns1.cshl.edu	10800
dnalc.org	ns2.cshl.edu	10800

Host	TXT Record	TTL
dnalc.org	spf2.0/pra	10800
dnalc.org	v=spf1 a:msgbsvc.dnalc.org a:mo1.osinj1.com a:mo2.osinj1.com a:mo3.osinj1.com a:mo4.osinj1.com -all	10800

ns1.cshl.edu
TTL: 10800
Email address: dbms-admin.cshl.edu
Serial: 2019011702
Refresh: 6600
Retry: 900
Expire: 1209600
Minimum: 86400

Dnalc.org HTML Check

HTML Validation Tool

Errors

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

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

The “align” attribute on the “div” element is obsolete. Use CSS instead.

A slash was not immediately followed by “>”.

The “align” attribute on the “p” element is obsolete. Use CSS instead.

The “align” attribute on the “img” element is obsolete. Use CSS instead.

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

Element “h3” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

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

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

End tag “em” violates nesting rules.

No “strong” element in scope but a “strong” end tag seen.

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

Duplicate ID “border”.

Duplicate ID “genenews”.

Text not allowed in element “ul” in this context.

Warnings

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

The first occurrence of ID “border” was here.

The first occurrence of ID “genenews” was here.

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

Dnalc.org Desktop Performance

Last tested: 11/02/2018

Desktop Speed

69%

Leverage browser caching

Optimize images

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

Minify HTML

Minify CSS

Desktop Resource Breakdown

Total Resources	89
Number of Hosts	5
Static Resources	82
JavaScript Resources	2
CSS Resources	4

Dnalc.org Mobile Insights

Last tested: 11/02/2018

Mobile Usability

62%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Size content to viewport

Mobile Speed

57%

Leverage browser caching

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

Optimize images

Minify HTML

Minify CSS

Mobile Resource Breakdown

Total Resources	89
Number of Hosts	5
Static Resources	82
JavaScript Resources	2
CSS Resources	4

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Dnalc.org CSHL DNA Learning Center

DNA, genetics, and biotechnology hands-on educational programs and online resources for students, educators, and the public.

Dnalc.org Overview

Dnalc.org Rank Summary

Dnalc.org Website Safety

Dnalc.org Rank History

Dnalc.org Hosting Information

Dnalc.org Domain Registration and Settings

Dnalc.org HTML Check

Dnalc.org Desktop Performance

Dnalc.org Mobile Insights

Dnalc.org Similar Audits

Dnalc.org Common Typos