<p>The Page Info dialog box consists of several tabs that display different kinds of information about the page you are viewing. This section provides a brief overview of the information available in each tab.
<p>To view Page Info for the page currently displayed by the browser, open the View menu and choose Page Info. You can then click the tab that corresponds to the kind of information you want to view.
<p>Most of the information displayed by the General, Forms, Links and Media tabs in Page Info is taken from the HTML source for the page. This information is usually of interest only to web developers and other specialists.
<p>For detailed information about HTML, including the tags displayed by Page Info, see the <ahref="http://www.w3.org/TR/REC-html40/"target="_blank">HTML 4.01 Specification</a>.
<p>The Privacy and Security tabs include information about the privacy policies of the web site whose page you are viewing and the security status of that page.</p>
<p><ahref="#pageinfo_general">General (Page Info Tab)</a></p>
<p><ahref="#pageinfo_forms">Forms (Page Info Tab)</a></p>
<p><ahref="#pageinfo_links">Links (Page Info Tab)</a></p>
<p><ahref="#pageinfo_media">Media (Page Info Tab)</a></p>
<p><ahref="#pageinfo_security">Security (Page Info Tab)</a></p></td>
</tr>
</table>
<p> </p>
<aNAME="pageinfo_general"></a>
<h2>General (Page Info Tab)</h2>
<p>When you choose Page Info from the View menu, the General tab displays basic information about the page that you are viewing in the browser.
<p>The top portion displays the the name of the page (if it has one) and the following information:
<ul>
<li><b>URL:</b> The <ahref="glossary.html#Universal_Resource_Locator_(URL)">Universal Resource Locator</a> for the page—that is, the standardized address that appears in the location bar near the top of the browser window.
<li><b>Render mode:</b> Indicates whether the browser is using <i>quirks mode</i> or <i>standards compliance mode</i> to lay out the page. Quirks mode takes account of nonstandard behavior that may be used by some older web pages designed for older versions of web browsers that are not fully standards compliant. Standards compliance mode adheres strictly to standards specifications. Your browser chooses the render mode automatically according to information contained in the web page itself.
<p>The bottom portion displays the metatags specified by the page. Metatags provide information about the type of content displayed by a page, such as a general description of the page, keywords for search engines, copyright information, and so on.
<p> </p>
<aNAME="pageinfo_forms"></a>
<h2>Forms (Page Info Tab)</h2>
<p>When you choose Page Info from the View menu and click the Forms tab, you see information about all the forms displayed by the page you are currently viewing in the browser.
<p>The top portion lists basic information about the way the form is specified in the HTML source:
<ul>
<li><b>Name:</b> The form's name, if any.
<li><b>Method:</b> The HTML method (such as <tt>GET</tt> or <tt>POST</tt>) used to send information captured by the form back to the web server.
<li><b>Form Action:</b> The URL of the program to be invoked when the form is submitted.
</ul>
<p>To examine information for any certificate in the Certificate Hierarchy area, select its name, select the field under Certificate Fields that you want to examine, and read the field's value under Field Value:
<p>When you select a form listed in the top portion of the Forms tab, the bottom portion displays detailed information about the way each of of that form's elements is specified in the HTML source:
<ul>
<li><b>Label:</b> The element's label, if any.
<li><b>Field Name.</b> The element's name.
<li><b>Type:</b> The element's input type, such as <tt>TEXT</tt> (for submitting text), <tt>RADIO</tt> (for a radio button), or <tt>HIDDEN</tt> (for storing information that the user does not submit).
<li><b>Current Value:</b> The current value of the element. For example, the current value of a text element is the text it currently contains.
</ul>
<p> </p>
<aNAME="pageinfo_links"></a>
<h2>Links (Page Info Tab)</h2>
<p>When you choose Page Info from the View menu and click the Links tab, you see a list of all the links available on that page, including <ahref="Universal_Resource_Locator_(URL)">URL</a> and the type of link.
<p>
<p> </p>
<aNAME="pageinfo_media"></a>
<h2>Media (Page Info Tab)</h2>
<p>When you choose Page Info from the View menu and click the Media tab, you see a list of all the images and other media elements displayed by the page.
<p>The top portion lists basic information about each element, including its <ahref="Universal_Resource_Locator_(URL)">URL</a> and type.
<p>When you select a media element listed in the top portion of the Media tab, the bottom portion displays available information about that element, such as description, size, or dimensions. You can also see the selected element at the bottom of the dialog box (you may need to click the lower-right corner and drag to see large images).
To save a media element as a separate file:
<ul>
<li><b>Save As:</b> Select the element you want to save, click Save As, and navigate to the location where you want to save it.
<p>When you choose Page Info from the View menu and click the Security tab, you see information about <ahref="glossary.html#authentication">authentication</a> and <ahref="glossary.html#encryption">encryption</a> for the web page you are viewing. The top portion indicates whether the web site's identity has been verified, and the bottom portion describes whether the page was encrypted when it was received by the browser.
<p>You can also open the Security tab directly by clicking the lock icon in the lower-right corner of any browser window.
<p>The top portion of the Security tab can display any of these messages:
<ul>
<li><b>Web Site Identity Not Verified.</b> The web site you are viewing does not support certificate-based authentication. Therefore, Certificate Manager cannot verify its identity. It is possible, though unlikely, that the web site is not what it claims to be.
<li><b>Web Site Identity Verified.</b> The certificate that Certificate Manager has used to verify this web site's identity was issued by a certificate authority (CA) marked as one that you trust. You can be reasonably confident that the web site is what it claims to be.
</ul>
<p>The bottom portion of the Security tab can display any of these messages:
<ul>
<LI><B>Connection Not Encrypted.</B> It is possible, though unlikely, that other people can view information sent from your computer to the web site or information sent by the web site to your computer. </LI>
<li><b>Connection Encrypted. </b>In general, the strength of an encrypted connection depends on the length of the keys used for encryption, measured in bits. The longer the key, the stronger the encryption—that is, the harder it is to for an unauthorized person to unscramble the encrypted information.
<p>The Page Info window describes encryption strength in one of three ways:</p>
<ul>
<LI><B>High-grade encryption.</B> Strongest encryption available, using 128-bit keys at a minimum.</LI>
<LI><B>Medium-grade encryption.</B> Somewhat stronger than low-grade encryption, using 56- or 64-bit keys.</LI>
<LI><B>Low-grade encryption.</B> Weakest encryption available, using 40-bit keys.</LI>
</ul>
<p>Most web sites support high-grade encryption. If you are viewing an older web site that supports a weaker form of encryption, it is possible, though unlikely, that other people can view information sent from your computer to the web site or information sent by the web site to your computer. </li>
</ul>
<p>Lack of any encryption or lack of strong encryption should be of concern only if you are sending or viewing confidential information, such as your credit card number.
<p>You can quickly check the encryption status of a web page by noting the state of the lock icon at the bottom-right corner of the browser window. For more details, see <ahref="using_certs_help.html#using_certs_info">Checking Security for a Web Page</a>.
