Domain name: sciencemag 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 02:12:30 GMT
Server	Apache/2.2.15 (CentOS)
Location	http://www.sciencemagorg/
Content-Length	314
Content-Type	text/html; charset=iso-8859-1

HTTP/1.1 200 OK
Cache-Control	public, max-age=600
Content-Language	en
Content-Type	text/html; charset=utf-8
Date	Thu, 28 Sep 2017 02:12:32 GMT
Etag	"1506564060-1"
Expires	Sun, 19 Nov 1978 05:00:00 GMT
Last-Modified	Thu, 28 Sep 2017 02:01:00 GMT
Link	org/>; rel="canonical",org/>; rel="shortlink"
Server	Apache
Vary	Cookie,Accept-Encoding
Via	1.1 varnish
X-Age	497
X-Cache	HIT
X-Drupal-Cache	HIT
X-Frame-Options	SAMEORIGIN
X-Powered-By	PHP/5.5.30
X-Varnish	537053566 537035025
transfer-encoding	chunked
Connection	keep-alive

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 3 words. 14 bytes.

<meta> description

Meta description is missing.

<meta> keywords

Meta keywords contains 1 keywords. 7 bytes.

<meta> other (22 records found)

Name	Value
Meta #1
charset	UTF-8
Meta #2
name	viewport
content	width=device-width, initial-scale=1.0, shrink-to-fit=no
Meta #3
equiv	Content-Type
content	text/html; charset=utf-8

Meta #4
property	fb:admins
content	2703576
Meta #5
property	fb:admins
content	678955044
Meta #6
property	fb:admins
content	1400521805
Meta #7
property	fb:app_id
content	1478542162442556
Meta #8
property	fb:pages
content	100864590107
Meta #9
property	og:type
content	website
Meta #10
property	og:url
content	http://www.sciencemagorg/
Meta #11
property	og:title
content	Science \| AAAS
Meta #12
property	og:image
content	//sciencemagorg/sites/all/themes/science/images/facebook-share.jpg
Meta #13
property	og:image:type
content	image/jpg
Meta #14
property	og:image:width
content	1280
Meta #15
property	og:image:height
content	720
Meta #16
name	twitter:site
content	@science
Meta #17
name	twitter:url
content	http://www.sciencemagorg/
Meta #18
name	twitter:title
content	Science \| AAAS
Meta #19
name	MobileOptimized
content	width
Meta #20
name	HandheldFriendly
content	true
Meta #21
equiv	cleartype
content	on
Meta #22
equiv	X-UA-Compatible
content	IE=edge,chrome=1

<style>

<head> contains 1 <style> sections. Total size: 60884 bytes.

<link> (7 records found)

Name	Value
Link #1
rel	dns-prefetch
href	//code.jquery.com
Link #2
rel	canonical
href	http://www.sciencemagorg/
Link #3
rel	shortlink
href	http://www.sciencemagorg/
Link #4
rel	preload
as	style
onload	this.rel=
href	//fonts.googleapis.com/css?family=Roboto+Condensed:400,400i,700,700i\|Roboto:400,400i,700&subset=cyrillic,cyrillic-ext,greek,greek-ext,latin-ext,vietnamese
Link #5
type	text/css
rel	stylesheet
href	/sites/default/files/advagg_css/css__9zevyd0vccxBdypcX9OJeu887I9k_IxZIqGmgb98Hdk__5db1AK6VA9IKDQM72zlEkoVKhTQAHAFP4yWEEcS0yuY__R5lt3TYNOaCOSScJfJfcuNYWzhuPRDGnWSDK_6LV5xI.css
media	all

Link #6
type	text/css
rel	stylesheet
href	/sites/default/files/advagg_css/css__0ndevJxur7TQ7fV_TioyY5AP-vKX7eFSWNOnX5Ce6Kg__W3FqBJbpikpgHp-S0TLDXf9cnWMeeCK4TE2kEpqS7e8__R5lt3TYNOaCOSScJfJfcuNYWzhuPRDGnWSDK_6LV5xI.css
media	all
Link #7
rel	preload
href	//fonts.googleapis.com/css?family=Roboto+Condensed:400,400i,700,700i\|Roboto:400,400i,700&subset=cyrillic,cyrillic-ext,greek,greek-ext,latin-ext,vietnamese

<script>

Internal

<head> contains 1 internal script sections. Total size: 3957 bytes.

External

Name	Value
Script #1
id	adobe_dtm
type	text/javascript
src	//assets.adobedtm.com/926659a1689cc9fca96760b67cca714ae48f0584/satelliteLib-a9d46808a35b7b8034adfab1d8207407222304d5.js

<base>

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