Domain name: khanacademy 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
Server	nginx
Date	Wed, 27 Sep 2017 19:30:36 GMT
Content-Type	text/html
Content-Length	178
Connection	keep-alive
Location	https://www.khanacademyorg/

HTTP/1.1 200 OK
Content-Type	text/html; charset=utf-8
Cache-Control	no-cache
Set-Cookie	fkey=1.0_myDR5l38Diw41A==_1506540636; Path=/
X-Frame-Options	SAMEORIGIN
X-Content-Type-Options	nosniff
Set-Cookie	promo=%7B%22i18n-de%22%3A%201%7D; Path=/
Set-Cookie	promo=%7B%22i18n-de%22%3A%201%7D; Path=/
Set-Cookie	gae_b_id=X2dhZV9iaW5nb19yYW5kb206Ukx5RkoySWNkbFFieHZiWHo4aXlBek5VR2FRSGRRMkF5dDhrYWEyTA==; expires=Thu, 27 Sep 2018 19:30:37 GMT; Max-Age=31536000; Path=/
Set-Cookie	ka_session=gDEtupDBWbu-yPBvrEkEnugfE5W0KjXjHz_hFwOX:1506540636:1506540636:1:; expires=Thu, 27 Sep 2018 19:30:37 GMT; Max-Age=31536000; Path=/
X-Cloud-Trace-Context	9ee45a21fa26ed25afb1e90b3cb9a814
Date	Wed, 27 Sep 2017 19:30:37 GMT
Server	Google Frontend
Content-Length	115224
Expires	Wed, 27 Sep 2017 19:30:37 GMT

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 is missing.

<meta> description

Meta description is missing.

<meta> keywords

Meta keywords are missing.

<meta> other (0 records found)

Name	Value

<style>

<head> section doesn't contain any styles.

<link> (0 records found)

Name	Value

<script>

Internal

<head> section doesn't contain any internal script sections.

External

Name	Value

<base>

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