HTML head tags are placed in
, which generally include titles, basic information, meta information, etc.
The full URL name of the current document (base URL)
Set the base text font, font size and color
Display The title content in the upper left corner of the browser (on the tab card) </p> <p><isindex> indicates that the document is a gateway script that can be used for retrieval, automatically created by the server </p> <p><meta> Related Meta information of the document itself, such as keywords used for query, validity period for obtaining the document, etc.</p> <p><style> Setting the content of the CSS cascading style sheet</p> <p><link> Setting Links to external files </p> <p><script> Set the content of the program script in the page </p> <p>There are two attributes of the meta element, name and http-equiv, where the name attribute is mainly used to describe the web page , to facilitate search engine search and classification </p> <p><meta name="keyword" content=""> </p> <p><meta name="description" content=""> </p> <p><meta name="generator" content=""> //Set the name of the editing software </p> <p><meta name="author" content=""> </p> <p><meta name="robots" content=""> //Limit search method</p> <p>Search method: All (can search the current web page and its linked web pages), Index (indicates that the current web page can be searched) , Nofollow (indicates that the webpage linked to the current webpage cannot be searched), Noindex (indicates that the current webpage cannot be searched), None (indicates that the current webpage and its linked webpages cannot be searched) </p> <p>Two methods of setting webpage text and language ： </p> <p><meta http-equiv="Content-Type" content="text/html;charset=Charset type"> "> </p> <p>In this syntax, http-equiv is used to transmit the header of the HTTP communication protocol. The content of the two methods is different. The first method has charset=utf, while the language of the second method is zh_CN form. </p> <p><meta http-equiv="refresh" content="Jump time;url=link address"> //The unit of jump time is seconds</p> <p><meta http- equiv="expires" content="Expiration time"> //The expiration time must be in GMT format: Sunday, month, year, hour, minute and second, and must be in English and numbers </p> <p> Calling from the cache is prohibited (two method): </p> <p><meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="pragma" content="no-cache"> </p> <p><meta http-equiv="set-cookie" content="Expiration time"> //Delete expired cookies. The time format is also GMT </p> <p><meta http-equiv= "windows-target" content="_top"> //Force to open a new window </p> </div><div class="nphpQianMsg"><div class="clear"></div></div><div class="nphpQianSheng"><span>Statement：</span><div>The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn</div></div></div><div class="nphpSytBox"><span>Previous article：<a class="dBlack" title="【HTML】Set NotePad not to open the last closed file_html/css_WEB-ITnose" href="http://m.php.cn/faq/272988.html">【HTML】Set NotePad not to open the last closed file_html/css_WEB-ITnose</a></span><span>Next article：<a class="dBlack" title="【HTML】Set NotePad not to open the last closed file_html/css_WEB-ITnose" href="http://m.php.cn/faq/272990.html">【HTML】Set NotePad not to open the last closed file_html/css_WEB-ITnose</a></span></div><div class="nphpSytBox2"><div class="nphpZbktTitle"><h2>Related articles</h2><em><a href="http://m.php.cn/article.html" class="bBlack"><i>See more</i><b></b></a></em><div class="clear"></div></div><ul class="nphpXgwzList"><li><b></b><a href="http://m.php.cn/faq/348757.html" title="Summary of Html knowledge" class="aBlack">Summary of Html knowledge</a><div class="clear"></div></li><li><b></b><a href="http://m.php.cn/faq/348804.html" title="How to learn HTML quickly" class="aBlack">How to learn HTML quickly</a><div class="clear"></div></li><li><b></b><a href="http://m.php.cn/faq/348873.html" title="The difference between html xhtml xml" class="aBlack">The difference between html xhtml xml</a><div class="clear"></div></li><li><b></b><a href="http://m.php.cn/faq/348884.html" title="The difference between src and href attributes" class="aBlack">The difference between src and href attributes</a><div class="clear"></div></li><li><b></b><a href="http://m.php.cn/faq/348902.html" title="About HTML5 and CSS replacement use" class="aBlack">About HTML5 and CSS replacement use</a><div class="clear"></div></li></ul></div></div><footer><div class="footer"><div class="footertop"><img src="/static/imghwm/logo.png" alt=""><p>Public welfare online PHP training，Help PHP learners grow quickly！</p></div><div class="footermid"><a href="http://m.php.cn/about/us.html">About us</a><a href="http://m.php.cn/about/disclaimer.html">Disclaimer</a><a href="http://m.php.cn/update/article_0_1.html">Sitemap</a></div><div class="footerbottom"><p> © php.cn All rights reserved
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