Pnas.org PNAS

Pnas.org Overview

PNAS, or Proceedings of the National Academy of Sciences, is a scientific journal that publishes research articles, letters, and commentaries across all scientific disciplines. The website, pnas.org, serves as a platform for online publication and discovery of scientific publications.

The website's homepage is clean and easy to navigate, with a search bar at the top for users to search for articles of interest. The homepage also features featured articles, current issues, and news and events related to scientific research. The website is mobile-friendly, making it accessible on devices of all sizes.

The website has a high number of users per day, with 61125 unique users and 102690 pageviews. This suggests that the website has a significant influence in the scientific community and is highly valued as a source of scientific information. The website is also hosted by Cloudflare, Inc., a US hosting provider that offers reliable and fast connectivity.

Regarding the website's content, PNAS is a family-friendly website since it primarily publishes scientific research articles and does not contain any inappropriate or offensive content. The website is designed to be educational and informative, making it a suitable source of information for students and professionals in the scientific community.

However, the website's Pagespeed Insights score of 47 suggests that it could be improved in terms of site speed and performance. This score indicates that the website's loading speed is slow compared to other websites, which could affect user experience negatively. It is crucial to optimize the website's performance by reducing page load times and ensuring that it runs smoothly at all times.

In conclusion, PNAS's website, pnas.org, is an excellent source of scientific research articles and information. The website is well-designed and easy to navigate, making it accessible to users of all levels. Despite the website's Pagespeed Insights score, it has a high number of daily active users, indicating its valuable contribution to the scientific community.

Pnas.org Rank Summary

Global Rank

6,714

Average Load Time

3.56sec

Links In Count

31,818

Website Value

$1.4 M

Audience Geography. Where are pnas.org visitors located?

Country	Visitors
United States US	28.9%
China CN	24.9%
Japan JP	8%
India IN	5.4%
United Kingdom GB	3.9%
Germany DE	2.5%
Australia AU	2.2%
Canada CA	2.1%
Korea KR	2.1%
Other	19.9%

Country	Pageviews
China CN	28.5%
United States US	24.6%
Japan JP	12.3%
India IN	5.2%
United Kingdom GB	3.2%
Korea KR	2.3%
Germany DE	2.2%
Canada CA	2%
Australia AU	1.7%
Other	18%

Country	Rank
China CN	2882
Australia AU	3951
United States US	4013
South Africa ZA	4450
Switzerland CH	4481
Japan JP	4956
Canada CA	5003
United Kingdom GB	5116
Philippines PH	5172
Korea KR	5253
Nigeria NG	5323
Hong Kong HK	6538

Where do visitors go on pnas.org?

Subdomain	Pageviews
pnas.org	98.76%
blog.pnas.org	0.58%
other	0.66%

Subdomain	Pageviews per User
blog.pnas.org	2
pnas.org	1.7

Subdomain	Reach
pnas.org	99.85%
blog.pnas.org	0.5%

How popular is pnas.org?

Period	Global Rank	Global Rank Delta
past 3 months	6714	1757
past month	6898	54
past week	7171	763
yesterday	5430	-4032

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	11237	3045	664	-29.73%	1.68	-1.75%
30	11608	156	642	-2.38%	1.7	0%
7	12648	3054	59	-25.8%	1.6	-24.64%
1	10215	-5285	76	60%	1.6	-9.195%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	5600	1392	147	-28.23%
30	5811	78	141	-2.47%
7	5840	32	140	-1.73%
1	4500	-3714	180	80%

Pnas.org Website Safety

Overview

Last Updated: 07/02/2024

Overall result - pnas.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: 03/21/2024

pnas.org is safe.

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

Google Safe Search

Last Updated: 02/06/2019

pnas.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

pnas.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: 02/22/2021

pnas.org is safe.

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

Web of Trust

Last Updated: 01/09/2019

pnas.org child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	pnas.org
Issuer Organization	Google Trust Services LLC
Issuer	GTS CA 1P5
Algorithm	RSA-SHA256
Valid form	08/17/2023
Expiration	11/16/2023
Signed	Certificate is not self signed
Additional Domains	pnas.org

Pnas.org Rank History

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

Pnas.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 10/15/2023

#
# 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.
#

Pnas.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: pnas.org
Registry Domain ID: db6de56097a2428e9f5172ba44a93b47-LROR
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://www.networksolutions.com
Updated Date: 2023-03-26T14:01:19Z
Creation Date: 1996-03-23T05:00:00Z
Registry Expiry Date: 2028-03-24T05:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: National Academy of Sciences
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: DC
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
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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: ishaan.ns.cloudflare.com
Name Server: saanvi.ns.cloudflare.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2023-10-15T07:15:22Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
pnas.org	104.18.33.155	300
pnas.org	172.64.154.101	300

Host	MX Record	Priority	TTL

Host	NS Record	TTL
pnas.org	ishaan.ns.cloudflare.com	86400
pnas.org	saanvi.ns.cloudflare.com	86400

Host	TXT Record	TTL
pnas.org	google-site-verification=xzMG9SIQIFMkhMg-z1FoxTcDa1owuddQERNtSrl-NQc	300
pnas.org	v=spf1 ip4:65.156.0.0/23 include:sendgrid.net ~all	300

ishaan.ns.cloudflare.com
TTL: 1800
Email address: dns.cloudflare.com
Serial: 2322021749
Refresh: 10000
Retry: 2400
Expire: 604800
Minimum: 1800

Pnas.org HTML Check

HTML Validation Tool

Errors

Attribute “xmlns:mml” not allowed here.

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

Duplicate ID “logo”.

Element “source” is missing required attribute “srcset”.

Bad value “all and (min-width: 980px) and (min-device-width: 980px), all and (max-device-width: 1024px) and (min-width: 1024px) and (orientation:landscape)” for attribute “media” on element “source”: Deprecated media feature “min-device-width”. For guidance, see the Deprecated Media Features section in the current Media Queries specification.

Bad value “all and (min-width: 768px) and (min-device-width: 768px), (max-device-width: 800px) and (min-width: 768px) and (orientation:landscape)” for attribute “media” on element “source”: Deprecated media feature “min-device-width”. For guidance, see the Deprecated Media Features section in the current Media Queries specification.

Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.

Warnings

Attribute with the local name “xmlns:mml” is not serializable as XML 1.0.

The “type” attribute for the “style” element is not needed and should be omitted.

The “type” attribute is unnecessary for JavaScript resources.

The “banner” role is unnecessary for element “header”.

The first occurrence of ID “logo” was here.

Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.

The “contentinfo” role is unnecessary for element “footer”.

Pnas.org Desktop Performance

Last tested: 05/04/2017

Desktop Speed

61%

Leverage browser caching

Optimize images

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

Enable compression

Minify CSS

Minify JavaScript

Reduce server response time

Minify HTML

Desktop Resource Breakdown

Total Resources	115
Number of Hosts	16
Static Resources	94
JavaScript Resources	26
CSS Resources	26

Pnas.org Mobile Insights

Last tested: 12/04/2019

Mobile Usability

96%

Size content to viewport

Size tap targets appropriately

Mobile Speed

47%

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

Avoid landing page redirects

Enable compression

Prioritize visible content

Leverage browser caching

Reduce server response time

Minify CSS

Minify JavaScript

Mobile Resource Breakdown

Total Resources	60
Number of Hosts	9
Static Resources	48
JavaScript Resources	17
CSS Resources	10

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Pnas.org PNAS

Pnas.org Overview

Pnas.org Rank Summary

Pnas.org Website Safety

Pnas.org Rank History

Pnas.org Hosting Information

Pnas.org Domain Registration and Settings

Pnas.org HTML Check

Pnas.org Desktop Performance

Pnas.org Mobile Insights

Pnas.org Similar Audits

Pnas.org Common Typos