For the administrator, the following settings can be set centrally, and enforced on the user base:

1. Administrators can create Web Site Rules for icons .
   
   
2. Enable or disable GZIP compression and set the level of cache cleanout.
   
   
3. Using Notes.ini settings, administrators can globally apply the lightweight user interface or the reuse child windows feature.

There are also some user settings that can be defined on a person by person basis:

1. Users can set Domino Web Access preferences to disable drag and drop and in-place editing
   
   
2. Users can choose to reuse child windows (if this feature is not enabled globally by an administrator).
   
   
3. There are recommended Web browser settings that users can set.
   
   
4. For a quick view of their daily schedule, users can use the Summary Calendar view.

Web Site Rules for Icons

To ensure that icons are not retrieved repeatedly by a user, you can create a Web Site Rule document. You can create this document when you use a Web Site document to configure the Web sites hosted on your Domino server. You create a Web Site Rule document for icons by selecting the HTTP response header option as the type of rule and specifying that it return an Expires header for 364 days when the incoming URL contains the string /icons/*. 

The figure below shows an example Web Site Rule document for icons. For a complete explanation of Web Site Rules documents, see the section on Web Servers in the Domino Administrator help 6.5 or later.

GZIP compression

Beginning with Domino server 6.5, you can use GZIP compression to compress responses being sent to the browser. GZIP is most useful in the case of a slow network connection in which the transmission of data consumes a significant portion of the time a user waits for the page to be displayed. However, because the browser must also decompress the received data, GZIP compression can negatively impact performance on slower machines (600 MHz or slower), so weigh the pros and cons when deciding to use it.

GZIP is enabled by default and can be disabled via the following Notes.ini setting:

iNotes_wa_GZIP_Disable=1

Disabling this setting controls the responses for the entire server. But if you have an environment that includes both high-end and low-end machines, individual users with low-end machines can disable it through their browser settings. In Internet Explorer, you can disable GZIP compression by choosing Tools - Internet Options. On the Advanced tab of the Internet Options dialog box, deselect the HTTP 1.1 Settings option. In Mozilla, you can find the corresponding setting for your browser in the Preferences - Advanced - HTTP Networking dialog box.

NOTE: Disabling HTTP 1.1 may have ramifications more than disabling GZIP.

Beginning with the release 6.5.3 hotfix, a new lightweight skin is available for both the default and the WebSphere Portal user interface. By removing as many GIF images as possible from the default skin, the differences in the resulting lightweight skin are mainly cosmetic and only slightly less esthetically pleasing to the discerning user.
 

In general, some of the rounded edges have a square look in the lightweight UI (see figure below). This is predominantly visible on tabs and buttons and in the highlighting around names and titles. In addition, background colors are solid instead of gradient, and scrollbars have been added to the left panel so that users navigate by scrolling instead of by clicking arrows.

To enable the new lightweight skin for all Domino Web Access users, add the variable "iNotes_WA_UI=inotes_lite" to the Domino Web Access server's Notes.ini file. Or, if all your Domino Web Access users are using the Portal UI and you want them to use the new lightweight skin, add the variable "iNotes_WA_UI=portal_lite" to your Domino Web Access server's Notes.ini file.

For users who access their mail via Domino Web Access Redirect (a convenient feature that DWA users use to locate their mail), you can modify the Domino Web Access Redirect template (IWAREDIR.NTF). The new skin is then available as a Personal Option from the Domino Web Access Redirect page, provided that Personal Options are enabled in Domino Web Access Redirect. To enable the lightweight skin for Domino Web Access Redirect:

From Domino Designer, open the IWAREDIR.NTF file.

1.      Open the WMRProfile form.

2.      Open the properties for the WMRProfileURL field, which is an editable Combo box.

3.      From the Control tab, add the following to the list of choices:

4.      LiteUI | ?OpenDatabase&ui=iNotes_Lite

5.      Save the form and close Domino Designer.

6.      Update the design of the Domino Web Access Redirect database with the modified IWAREDIR.NTF template.