Domain name: tsinghua dot edu dot cn

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/1.1 200 OK
Server	TsinghuaWebServer/1.2.2
Date	Thu, 28 Sep 2017 05:50:46 GMT
Content-Type	text/html
Content-Length	395
Connection	keep-alive
Last-Modified	Wed, 29 Apr 2015 07:00:32 GMT
ETag	"55408190-18b"
X-Frame-Options	SAMEORIGIN
X-Cache	HIT from TsinghuaCacheServer
Accept-Ranges	bytes

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>

清华大学

<meta> description

Meta description is missing.

<meta> keywords

Meta keywords are missing.

<meta> other (1 records found)

Name	Value
Meta #1
equiv	Content-Type
content	text/html; charset=utf-8

<style>

<head> section doesn't contain any styles.

<link> (0 records found)

Name	Value

<script>

Internal

<head> contains 1 internal script sections. Total size: 53 bytes.

External

Name	Value

<base>

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