Opera is known as the fastest and smallest full-featured browser, a first choice for people using older PCs and Windows 95 and a brilliant alternative to the default IE from Microsoft. Opera, first of all, is client World Wide Web, that is the program for extraction of the information from WWW as the documents created with help HyperText Markup Language (language of a marking of hypertext HTML). Low requirements to resources of system. Opera will work even on 386 computer about 6 Mb of operative memory. MDI the interface. You can open without special expenses of memory any quantity of windows inside one working window, having chosen thus a tabulared or cascade mode.
Key features of "Opera for Windows without Java":
*** Efficient surfing:
- Tabbed browsing. Surf the Web easier and faster by opening multiple Web pages within the same application window.
- Integrated search. Search Google, eBay, Amazon and more with Opera's integrated search. You can also search directly in the address field using shortcuts (e.g. "g" for Google).
- Pop-up blocking. Opera lets you control whether to block all pop-ups, or open only the ones that you have requested.
- Fast Forward. Fast Forward will detect the most likely "next page" link and greatly simplify navigation in multi-page documents.
- Password manager. Opera's password manager remembers your usernames and passwords so you will not have to.
- Sessions. Save a collection of open pages as a session, for later retrieval, or start with the pages you had open when Opera was last closed.
- Mouse gestures. Opera supports mouse gestures, allowing you to perform certain movements with the mouse in order to access commonly used features.
- Quick preferences. Pressing F12 displays Opera's 'Quick preferences' menu to easily switch settings such as browser authentication, pop-up and cookie preferences.
- Notes. Notes can be kept in conjunction with a Web site you want to refer to later, to remind you of any particular information you may like to review again.
- Voice. The voice feature allows you to control Opera's interface by talking and to have documents read aloud. Voice is currently offered in English and runs on Windows 2000 and XP.
*** Security and privacy:
- Security bar. Opera displays security information inside the address bar, located next to the padlock icon that indicates the level of security present on a site.
- Encryption. Opera supports Secure Socket Layer (SSL) versions 2 and 3, and TLS. Opera offers automatic 128-bit encryption, the highest available security of any Web browser.
- Delete private data. Opera can be configured to clear the history and cache when exiting, to protect your privacy. Any kind of private data can easily be erased at any time.
- Cookie control. Opera gives you detailed control of what cookies to accept and reject, such as allowing for different set-ups for different servers.
*** Mail and Chat:
- Opera mail. Opera's built-in POP/IMAP E-mail client is a combined e-mail program, news reader, mailing list organizer and RSS/Atom newsfeed reader.
- IRC chat. Communicate with people all over the world using Opera's IRC chat client. Chat privately or in rooms, or share files with your friends and family.
- Drag and drop. Using the 'appearance' dialog you can make Opera look almost any way you want. Move buttons and search fields, add and remove toolbars, and so forth.
- Skins. Opera skins can give your browser the look you want. Make the browser your own by giving it the icons and buttons of your choice.
- Language. Opera's user interface is translated into a multitude of languages, and the language can be changed on the fly.
- Zoom. With Opera you can zoom the contents of any Web page from 20%-1000% using the zoom dropdown or the + and - keys.
- Text size and colors. Text size and link styling can be changed using Opera. Text color and background color can also be customized.
- User style sheets. Opera comes with a set of ready-made style sheets, including accessibility style, that can be used to override a Web site's style set completely.
*** Web development:
- Standards support. Opera prides itself in supporting all major Web standards currently in use, including CSS 2.1, XHTML 1.1, HTML 4.01, WML 2.0, ECMAScript, DOM 2 and SVG 1.1 tiny.
- Small-screen mode. When displaying a page in small-screen mode (Shift+F11) you can see how it will look on a mobile phone or other small-screen device running Opera.
- Validate code. You can validate the HTML code of any Web page by pressing Ctrl+Alt+v.
- Toggle graphics and style sheets. Graphics and style sheets can be toggled on/off via Opera's menus and shortcuts.
- Info panel. The Info panel shows details about the currently open page such as MIME type, page size, character encoding and more.
- Reload from cache. Edit the source of any open Web page and view the result instantly by using 'Reload from cache' (Tools/Advanced).
*** Special features:
- Full-screen mode. The F11 key toggles Opera's projection mode, using the whole screen for browsing and, if a projection style sheet is present, displays 'slides' suitable for presentation.
- Kiosk mode. Registered versions of Opera supports kiosk mode - a lock-down mode in which the browser can be used for unattended information stands in public environments.
New features in Opera 9 include:
- Widgets - Small Web applications (multimedia, newsfeeds, games and more) that make your desktop experience more fun. Any Web developer can create their own Widgets and share them, regardless of operating system. Try the Widgets in Opera 9 by pressing F6. Look for further development of Opera Widgets in future releases.
- BitTorrent - Instead of having to use a separate BitTorrent application for downloading large files, users can now simply click a torrent file and start the download
- Content blocker - Choose the content you want to view. Remove ads or images - it is up to you. Right-click on the Web page and choose "Block content"
- Improved rich text editing - Take advantage of rich text editing capabilities when using the latest Web mail or blogging services
- Customize your search engines – Use your favorite search engine in the search box. Right-click on the site's search field and select "Create search" from the menu
- Thumbnail preview – It's easy to have many tabs open at once in Opera. But exactly which tab had that video you wanted? Hover any tab to see a thumbnail preview
- Site-specific preferences - Do you need to view a site in a different way or deny certain cookies? Want to block pop-ups on certain sites only? Site specific preferences hold the key
Changes in Opera 9.0 Build 8414 Beta:
- Cache is not shared between widgets and pages opened from widgets.
- Fixed Bittorrent downloads on Unix.
- Fixed crash that could occur when exiting pages with Flash 8.
- Fixed IPv6 on FreeBSD.