Domain name: edx 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
Content-Type	text/html
Date	Wed, 27 Sep 2017 22:45:52 GMT
Location	https://www.edxorg/
Server	nginx/1.12.1
Content-Length	185
Connection	keep-alive

HTTP/1.1 200 OK
Date	Wed, 27 Sep 2017 22:45:55 GMT
Content-Type	text/html; charset=utf-8
Transfer-Encoding	chunked
Connection	keep-alive
Set-Cookie	__cfduid=d8a86f44a4b0b26ab156e04278ff4ee761506552355; expires=Thu, 27-Sep-18 22:45:55 GMT; path=/; domain=.edxorg; HttpOnly
Cache-Control	s-max-age=300, max-age=0, must-revalidate
Content-Language	en
Expires	Sun, 19 Nov 1978 05:00:00 GMT
Last-Modified	Wed, 27 Sep 2017 22:41:33 GMT
Link	org/>; rel="canonical",org/>; rel="shortlink"
Vary	X-Accept-Language,Accept-Encoding
Via	1.1 varnish-v4
X-AH-Environment	prod
X-Cache	MISS
X-Content-Type-Options	nosniff
X-Drupal-Cache	MISS
X-Frame-Options	SameOrigin
X-Generator	Drupal 7 (http://drupal.org)
X-Request-ID	v-0983a49e-a3d5-11e7-b13d-22000a7b98d9
X-Varnish	93702556
CF-Cache-Status	HIT
Server	cloudflare-nginx
CF-RAY	3a51fefaee8226ba-FRA

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 11 words. 60 bytes.

<meta> description

Meta description contains 37 words. 259 bytes.

<meta> keywords

Meta keywords contains 8 keywords. 56 bytes.

<meta> other (24 records found)

Name	Value
Meta #1
equiv	Content-Type
content	text/html; charset=utf-8
Meta #2
name	apple-itunes-app
content	app-id=945480667
argument	https://itunes.apple.com/us/app/edx/id945480667?mt=8
Meta #3
name	sailthru.tags
content	home_page-

Meta #4
name	viewport
content	width=device-width, initial-scale=1
Meta #5
name	baidu-site-verification
content	EFko2ro3j2
Meta #6
property	p:domain_verify
content	bdbd8b6ab694e5932239f34d4b1d4c72
Meta #7
name	msvalidate.01
content	07CBD8E5BAC466A73DDB737BA2A510E6
Meta #8
name	google-site-verification
content	hTskDgeRw9elUBLNEW-_iUwJJj7KBS9Xypnc38kRIJ8
Meta #9
name	generator
content	Drupal 7 (http://drupal.org)
Meta #10
property	og:site_name
content	edX
Meta #11
property	og:type
content	website
Meta #12
property	og:url
content	https://www.edxorg/
Meta #13
property	og:title
content	edX
Meta #14
property	og:description
content	EdX offers free online courses and classes from the world's best universities and institutions. Explore the latest courses from MIT, Harvard, UC Berkeley, The Smithsonian, Catalyst, The University of Texas and more. Take free courses on your schedule in business, computer science, literature, history, science, engineering, finance, data analysis, statistics and more. Build new skills or pursue a lifelong passion with edX. Learn something new today.
Meta #15
property	og:image
content	https://www.edxorg/sites/default/files/edx_courses1200x630_v2-1.png
Meta #16
property	og:image:secure_url
content	https://www.edxorg/sites/default/files/edx_courses1200x630_v2-1.png
Meta #17
property	og:image:type
content	.png
Meta #18
property	og:image:width
content	1200
Meta #19
property	og:image:height
content	630
Meta #20
name	twitter:card
content	summary
Meta #21
name	twitter:site
content	@edXOnline
Meta #22
name	twitter:site:id
content	567360618
Meta #23
name	twitter:url
content	https://www.edxorg/home
Meta #24
name	twitter:title
content	Home

<style>

<head> section doesn't contain any styles.

<link> (11 records found)

Name	Value
Link #1
rel	shortcut icon
href	https://www.edxorg/sites/default/files/theme/favicon.png
type	image/png
Link #2
href	https://www.edxorg/es
rel	alternate
hreflang	es
Link #3
rel	manifest
href	https://www.edxorg/webAppManifest.json
Link #4
href	https://www.edxorg/
rel	alternate
hreflang	en
Link #5
rel	canonical
href	https://www.edxorg

Link #6
rel	shortlink
href	https://www.edxorg
Link #7
type	text/css
rel	stylesheet
href	https://www.edxorg/sites/default/files/css/css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
media	all
Link #8
type	text/css
rel	stylesheet
href	https://www.edxorg/sites/default/files/css/css_mktzIRd5CRE-97qJhrh-LyZqgbhTe9MZCqn-bCpDQ_g.css
media	all
Link #9
type	text/css
rel	stylesheet
href	https://www.edxorg/sites/default/files/css/css_3r8t6gVw0pXX5pUkG9U-xHoq4kObR9lZU_AOYRK3QTg.css
media	screen
Link #10
type	text/css
rel	stylesheet
href	https://www.edxorg/sites/default/files/css/css_8hfQwOQhbPbB3-91P4YhBfIDe6Rgx7Z37V1ayypn7Us.css
media	all
Link #11
href	https://plus.google.com/+edXOnline
rel	publisher

<script>

Internal

<head> contains 3 internal script sections. Total size: 5421 bytes.

External

Name	Value
Script #1
src	https://www.edxorg/sites/default/files/js/js_A01mE0OOkhISVSQubhhc-km--VAXp6zYCwpcghpBC28.js
Script #2
src	https://cdn.optimizely.com/js/1743970571.js
Script #3
src	https://www.edxorg/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Script #4
src	https://www.edxorg/sites/default/files/js/js_ED5CXIEwhB9PDdZv7AOYZUbFBi9KCcPctIWjP4xzd14.js
Script #5
src	https://www.edxorg/sites/all/themes/adaptivetheme/at_core/scripts/html5.js?owy3n7

<base>

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