Domain name: nist dot gov

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 09:29:06 GMT
Server	Apache
X-Frame-Options	SAMEORIGIN
Location	https://www.nistgov/
Vary	Accept-Encoding
Content-Length	229
Content-Type	text/html; charset=iso-8859-1

HTTP/1.1 200 OK
Accept-Ranges	bytes
Age	16972
Cache-Control	public, max-age=43200
Content-Language	en
Content-Type	text/html; charset=utf-8
Date	Thu, 28 Sep 2017 09:29:07 GMT
ETag	W/"1506573973-0"
Expires	Sun, 19 Nov 1978 05:00:00 GMT
Last-Modified	Thu, 28 Sep 2017 04:46:13 GMT
Link	gov/national-institute-standards-and-technology>; rel="canonical",gov/node/783411>; rel="shortlink"
Server	nginx
Strict-Transport-Security	max-age=31536000
Vary	Cookie,Accept-Encoding
Via	1.1 varnish-v4
X-AH-Environment	prod
X-Cache	HIT
X-Cache-Hits	28601
X-Content-Type-Options	nosniff
X-Drupal-Cache	MISS
X-Frame-Options	SameOrigin
X-Generator	Drupal 7 (http://drupal.org)
X-Request-ID	v-f4f3233c-a407-11e7-adda-22000ab333e3
X-UA-Compatible	IE=edge,chrome=1
X-Varnish	50094684 49777281
Content-Length	99584
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 8 words. 53 bytes.

<meta> description

Meta description contains 27 words. 192 bytes.

<meta> keywords

Meta keywords are missing.

<meta> other (18 records found)

Name	Value
Meta #1
charset	utf-8
Meta #2
name	generator
content	Drupal 7 (http://drupal.org)
Meta #3
property	og:site_name
content	NIST

Meta #4
property	og:type
content	website
Meta #5
property	og:url
content	https://www.nistgov/national-institute-standards-and-technology
Meta #6
property	og:title
content	National Institute of Standards and Technology \| NIST
Meta #7
property	og:description
content	NIST promotes U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life.
Meta #8
name	dcterms.title
content	NIST \| National Institute of Standards and Technology
Meta #9
name	dcterms.description
content	Working with industry and science to advance innovation and improve quality of life.
Meta #10
name	dcterms.type
content	Text
Meta #11
name	dcterms.format
content	text/html
Meta #12
name	dcterms.identifier
content	https://www.nistgov/national-institute-standards-and-technology
Meta #13
name	msvalidate.01
content	9802F04AC0DBFA09E639BA8F2E349685
Meta #14
name	google-site-verification
content	P0p8amomMgtPbm7QkZLdul7QeYxbj-no-ovOK5dJzW8
Meta #15
name	MobileOptimized
content	width
Meta #16
name	HandheldFriendly
content	true
Meta #17
name	viewport
content	width=device-width, initial-scale=1, user-scalable=0
Meta #18
equiv	cleartype
content	on

<style>

<head> section doesn't contain any styles.

<link> (8 records found)

Name	Value
Link #1
rel	shortcut icon
href	https://www.nistgov/sites/all/themes/nist_style/favicon.ico
type	image/vnd.microsoft.icon
Link #2
rel	canonical
href	https://www.nistgov/national-institute-standards-and-technology
Link #3
rel	shortlink
href	https://www.nistgov/node/783411
Link #4
type	text/css
rel	stylesheet
href	https://www.nistgov/sites/default/files/css/css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css
media	all
Link #5
type	text/css
rel	stylesheet
href	https://www.nistgov/sites/default/files/css/css_hTLrwzbU9bZhjvzx-j5entbJFEHkjJyd6RgHEla8FhA.css
media	all

Link #6
type	text/css
rel	stylesheet
href	https://www.nistgov/sites/default/files/css/css_GijhSMhqci1usnxzuz9WuxVAXRc5bmaNzNRWkxW1mOA.css
media	all
Link #7
type	text/css
rel	stylesheet
href	https://www.nistgov/sites/default/files/css/css__SFpJVqFqsRpFYVKCuNKgxdcwEeLhgBNZlTmph1J5YY.css
media	all
Link #8
type	text/css
rel	stylesheet
href	https://www.nistgov/sites/default/files/css/css_vXQF1vlppzE2gc4jgny1Ru9-aLpfsSPhCBk_np0ulW0.css
media	all

<script>

Internal

<head> contains 5 internal script sections. Total size: 11975 bytes.

External

Name	Value
Script #1
src	https://www.nistgov/sites/default/files/js/js_wWN-49HeSQdTnCpbKF_LdRWTyYYELBaj6wZRxFIPt6c.js
Script #2
src	https://www.nistgov/sites/default/files/js/js_LdtuoIGfgNVBrEe1PJDAkJrpoI1qeJP5hL1PuqVCc14.js
Script #3
src	https://www.nistgov/sites/default/files/js/js_Gbu6f9x3ZYjDcMWjmSm3FQxUCSYW0qKuyJ-8P4Wb3ME.js
Script #4
src	https://www.nistgov/sites/default/files/js/js_4UD3HaTRltrBJdkdamr1j8NQNSRZhtKf9OrBHPTl-_Q.js
Script #5
src	https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js?config=TeX-AMS-MML_HTMLorMML
Script #6
src	https://www.nistgov/sites/default/files/js/js_NilbEl8jRZtu5HxGV5KI2Dn8cR6nG_EbEUnELfOHOFo.js
Script #7
src	/sites/all/themes/zen/js/html5-respond.js
Script #8
type	text/javascript
src	/sites/all/themes/nist_style/js/selectivizr-min.js

<base>

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