headers info

Domain name: ivc dot cn

Domain info

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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/1.1 404 Not Found
Content-Type text/html; charset=us-ascii
Server Microsoft-HTTPAPI/2.0
Date Wed, 27 Sep 2017 22:03:05 GMT
Connection close
Content-Length 315

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>.


Not Found

<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=us-ascii


<head> section doesn't contain any styles.

<link> (0 records found)



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


Name Value


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


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