Domain name: pnas dot org

HTTP headers

HTTP headers allow the client and the server to pass additional information with the request or the response. A request header consists of its case-insensitive name followed by a colon ':', then by its value (without line breaks). Leading white space before the value is ignored.

Name	Value
HTTP/1.1 301 Moved Permanently
Date	Thu, 28 Sep 2017 10:21:25 GMT
Server	Apache/2.2.3 (Red Hat)
Location	http://www.pnasorg/
Content-Length	302
Connection	close
Content-Type	text/html; charset=iso-8859-1

HTTP/1.1 200 OK
Server	Apache/2.2.29 (Unix) DAV/2 mod_jk/1.2.28 mod_ssl/2.2.29 OpenSSL/0.9.8e-fips-rhel5
X-Highwire-SessionId	3stAdX4So-dhGTe34XKkxg
X-Highwire-RequestId	WczMXQrcJDcAABhwhh4AAAFQ
X-Firenze-Processing-Time	67.436
X-Firenze-Processing-Times	detect-robot: 0.224
X-Firenze-Processing-Times	add-external-dependencies-info: 0.028
X-Firenze-Processing-Times	add-req-info: 4.742
X-Firenze-Processing-Times	authn-authz: 39.329
X-Firenze-Processing-Times	ac-info-request: 3.331
X-Firenze-Processing-Times	login-check: 0.946
X-Firenze-Processing-Times	last-authorized-identity: 0.890
X-Firenze-Processing-Times	process-navmap: 0.033
X-Firenze-Processing-Times	retrieve-current-issue: 0.032
X-Firenze-Processing-Times	retrieve-ads: 5.177
X-Firenze-Processing-Times	log-builder: 1.702
X-Firenze-Processing-Times	authorized-identities: 1.581
X-Firenze-Processing-Times	log-builder2: 1.625
X-Firenze-Processing-Times	servlet: 81.228
X-Firenze-Processing-Time	147.713
Set-Cookie	JSESSIONID=37F64D1C0E8338C05758C577F066C3C2.wavmfe193.highwire.org; Path=/
Vary	Accept-Encoding
Content-Type	text/html;charset=UTF-8
X-SmartBan-URL	/
X-SmartBan-Host	www.pnasorg
Accept-Ranges	bytes
Date	Thu, 28 Sep 2017 10:21:26 GMT
X-Varnish	1334269899
Age	0
Via	1.1 varnish
Connection	keep-alive
X-Varnish-Hostname	h20-prod-varnish06.highwire.org
X-Varnish-Cache	miss
Content-Length	67516

HTML <head>

The <head> element is a container for metadata (data about data) and is placed between the <html> tag and the <body> tag.

HTML metadata is data about the HTML document. Metadata is not displayed.

Metadata typically define the document title, character set, styles, links, scripts, and other meta information.

The following tags describe metadata: <title>, <style>, <meta>, <link>, <script>, and <base>.

<title>

Title contains 7 words. 48 bytes.

<meta> description

Meta description is missing.

<meta> keywords

Meta keywords are missing.

<meta> other (6 records found)

Name	Value
Meta #1
equiv	Content-Type
content	text/html; charset=UTF-8
Meta #2
name	googlebot
content	NOODP
Meta #3
content	Proceedings of the National Academy of Sciences
name	og:title

Meta #4
name	og:description
content	National Academy of Sciences
Meta #5
content	Proceedings of the National Academy of Sciences
name	og:site_name
Meta #6
name	og:type
content	article

<style>

<head> section doesn't contain any styles.

<link> (15 records found)

Name	Value
Link #1
rel	stylesheet
type	text/css
media	all
href	/shared/css/hw-global.css
Link #2
rel	stylesheet
type	text/css
media	all
href	/shared/css/standard-designs/design25/main.css
Link #3
rel	stylesheet
type	text/css
media	all
href	/local/css/hw-local-global.css
Link #4
rel	stylesheet
type	text/css
media	all
href	/local/css/hw-local-global-overrides.css
Link #5
rel	stylesheet
type	text/css
media	all
href	/local/css/hw-local-global-pages.css

Link #6
rel	stylesheet
type	text/css
media	all
href	http://fonts.googleapis.com/css?family=Open+Sans:400,700,600
Link #7
rel	stylesheet
type	text/css
media	all
href	http://fonts.googleapis.com/css?family=Open+Sans:400italic,700italic,400,700
Link #8
rel	stylesheet
type	text/css
media	all
href	/local/css/hw-local-sidebar.css
Link #9
rel	stylesheet
type	text/css
media	all
href	//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css
Link #10
rel	stylesheet
type	text/css
media	all
href	http://pnas-movie.glencoesoftware.com/static/video-js.min.css
Link #11
rel	stylesheet
type	text/css
media	all
href	/shared/css/standard-designs/design25/d25-page-home.css
Link #12
rel	stylesheet
type	text/css
media	all
href	/local/css/hw-local-home.css
Link #13
rel	stylesheet
type	text/css
media	all
href	/site/css/main.css
Link #14
rel	stylesheet
type	text/css
media	all
href	/site/css/global_styles.css
Link #15
rel	alternate
type	application/rss+xml
title	PNAS Current RSS
href	http://www.pnasorg/rss/current.xml

<script>

Internal

<head> contains 2 internal script sections. Total size: 115 bytes.

External

Name	Value
Script #1
type	text/javascript
src	/local/js/jquery-1.7.2.min.js
Script #2
type	text/javascript
src	/local/js/jquery.ui.widget.min.js
Script #3
type	text/javascript
src	/local/js/modernizr.js
Script #4
type	text/javascript
src	/shared/js/fingerprint.js
Script #5
type	text/javascript
src	/shared/js/hw-shared.js
Script #6
type	text/javascript
src	/local/js/hw-local-js-settings.js
Script #7
type	text/javascript
src	/local/js/jquery.tabify.js
Script #8
type	text/javascript
src	/local/js/hw-local-global.js
Script #9
type	text/javascript
src	/local/js/expand.js
Script #10
type	text/javascript
src	/local/js/script.js
Script #11
type	text/javascript
src	/shared/js/design/hw-design1.js
Script #12
type	text/javascript
src	http://pnas-movie.glencoesoftware.com/static/video_inline.min.js
Script #13
type	text/javascript
src	/local/js/pages/pnas-home.js
Script #14
type	text/javascript
src	http://connect.facebook.net/en_US/all.js#xfbml=1

<base>

<head> section doesn't contain a base section.