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Opera is a multi-platform web browser developed by its namesake company Opera. The browser is based on
Chromium Chromium is a chemical element with the symbol Cr and atomic number 24. It is the first element in group 6. It is a steely-grey, lustrous, hard, and brittle transition metal. Chromium metal is valued for its high corrosion resistance and hardne ...
, but distinguishes itself from other Chromium-based browsers (
Chrome Chrome may refer to: Materials * Chrome plating, a process of surfacing with chromium * Chrome alum, a chemical used in mordanting and photographic film Computing * Google Chrome, a web browser developed by Google ** ChromeOS, a Google Chrome- ...
, Edge, etc.) through its user interface and other features. Opera was initially released on 10 April 1995, making it one of the oldest desktop web browsers still actively developed. It was commercial software for its first ten years and had its own proprietary layout engine,
Presto Presto may refer to: Computing * Presto (browser engine), an engine previously used in the Opera web browser * Presto (operating system), a Linux-based OS by Xandros * Presto (SQL query engine), a distributed query engine * Presto (animation s ...
. In 2013, it switched from the Presto engine to Chromium. Opera is available on Windows, macOS, Linux,
Android Android may refer to: Science and technology * Android (robot), a humanoid robot or synthetic organism designed to imitate a human * Android (operating system), Google's mobile operating system ** Bugdroid, a Google mascot sometimes referred to ...
, and iOS (Safari WebKit engine). There are also mobile versions called
Opera Mobile Opera Mobile is a mobile web browser for smartphones, tablets and PDAs developed by Opera. History The first devices to run a mobile edition of Opera were the Psion Series 5, Psion Series 5mx, Psion Series 7, and then Psion netBook. They ra ...
and Opera Mini. Opera users also have access to Opera News, a news app based on an AI platform. The company released a gaming-oriented version of the browser, Opera GX, in 2019, and a blockchain-focused Opera Crypto Browser into public beta in January 2022.


History

In 1994, Jon Stephenson von Tetzchner and Geir Ivarsøy started developing the Opera web browser while working at
Telenor Telenor ASA ( or ) is a Norwegian majority state-owned multinational telecommunications company headquartered at Fornebu in Bærum, close to Oslo. It is one of the world's largest mobile telecommunications companies with operations worldwide, ...
, a Norwegian telecommunications company. In 1995, they founded
Opera Software AS Opera is a Norwegian multinational technology company and subsidiary of Kunlun that specializes in web browser development, fintech, as well as services such as Opera News and YoYo Games. The company's total user base, including users of its d ...
. Opera was initially released on 10 April 1995, and then it was released publicly in 1996 with version 2.10, which ran on Microsoft Windows 95. Development for mobile device platforms started in 1998. Opera 4.0, released in 2000, included a new cross-platform core that facilitated the creation of editions of Opera for multiple operating systems and platforms. To this point, Opera was trialware and had to be purchased after the trial period. With version 5.0, released in 2000, Opera became ad-sponsored, displaying ads to users who had not paid for it. Subsequent versions have given users the choice of seeing
banner ad A web banner or banner ad is a form of advertising on the World Wide Web delivered by an ad server. This form of online advertising entails embedding an advertisement into a web page. It is intended to attract traffic to a website by linking ...
s or targeted text ads from Google. With version 8.5, released in 2005, the ads were completely removed, and the browser's primary financial support came through revenue from Google (by contract, Opera's default
search engine A search engine is a software system designed to carry out web searches. They search the World Wide Web in a systematic way for particular information specified in a textual web search query. The search results are generally presented in a ...
). Among new features introduced in version 9.1, released in 2006, was fraud protection using technology from GeoTrust, a digital certificate provider, and
PhishTank PhishTank is an anti-phishing site. PhishTank was launched in October 2006 by entrepreneur David Ulevitch as an offshoot of OpenDNS. The company offers a community-based phish verification system where users submit suspected phishes and other use ...
, an organization that tracks known phishing web sites. This feature was further expanded in version 9.5, when GeoTrust was replaced with Netcraft, and malware protection from Haute Secure was added. In 2006, Opera Software ASA was released as well as Internet Channel and
Nintendo DS Browser The is a handheld game console produced by Nintendo, released globally across 2004 and 2005. The DS, an initialism for "Developers' System" or "Dual Screen", introduced distinctive new features to handheld games: two LCD screens working in tan ...
for Nintendo's DS and
Wii The Wii ( ) is a home video game console developed and marketed by Nintendo. It was released on November 19, 2006, in North America and in December 2006 for most other Regional lockout, regions of the world. It is Nintendo's fifth major ho ...
gaming systems. A new JavaScript engine, called Carakan (after the
Javanese alphabet The Javanese script (natively known as ''Aksara Jawa'', ''Hanacaraka'', ''Carakan'', and ''Dentawyanjana'') is one of Indonesia's traditional scripts developed on the island of Java. The script is primarily used to write the Javanese langu ...
), was introduced with version 10.50. According to Opera Software, it made Opera 10.50 more than seven times faster in SunSpider than Opera 10.10. On 16 December 2010, Opera 11 was released, featuring extensions, tab stacking (where dragging one tab over another allowed creating a group of tabs), visual mouse gestures and changes to the address bar. Opera 12 was released on 14 June 2012. On 12 February 2013, Opera Software announced that it would drop its own
Presto Presto may refer to: Computing * Presto (browser engine), an engine previously used in the Opera web browser * Presto (operating system), a Linux-based OS by Xandros * Presto (SQL query engine), a distributed query engine * Presto (animation s ...
layout engine in favour of WebKit as implemented by Google's
Chrome Chrome may refer to: Materials * Chrome plating, a process of surfacing with chromium * Chrome alum, a chemical used in mordanting and photographic film Computing * Google Chrome, a web browser developed by Google ** ChromeOS, a Google Chrome- ...
browser, using code from the
Chromium Chromium is a chemical element with the symbol Cr and atomic number 24. It is the first element in group 6. It is a steely-grey, lustrous, hard, and brittle transition metal. Chromium metal is valued for its high corrosion resistance and hardne ...
project. Opera Software planned as well to contribute code to WebKit. On 3 April 2013, Google announced it would fork components from WebKit to form a new layout engine,
Blink Blinking is a bodily function; it is a semi-autonomic rapid closing of the eyelid. A single blink is determined by the forceful closing of the eyelid or inactivation of the levator palpebrae superioris and the activation of the palpebral portio ...
. That day, Opera Software confirmed it would follow Google in implementing Blink. On 28 May 2013, a beta release of Opera 15 was made available, the first version based on the Chromium project. Many distinctive Opera features of the previous versions were dropped, and
Opera Mail Opera Mail (formerly known as M2) is the email and news client developed by Opera Software. It was an integrated component within the Opera web browser from version 2 through 12. With the release of Opera 15 in 2013, Opera Mail became a separate p ...
was separated into a standalone application derived from Opera 12.


Acquisition by Chinese consortium

In 2016, the company changed ownership when a group of Chinese investors purchased the web browser, the consumer business, and the Opera Software ASA brand. On 18 July 2016, Opera Software ASA announced it had sold its browser, privacy and performance apps, and the Opera brand to Golden Brick Capital Private Equity Fund I Limited Partnership, a consortium of Chinese investors. In January 2017, the source code of Opera 12.15, one of the last few versions still based on the Presto layout engine, was leaked. To demonstrate how radically different a browser could look, Opera Neon, dubbed a "concept browser," was released in January 2017. '' PC World'' compared it to demo models that automakers and hardware vendors release to show their visions of the future. Instead of a
Speed Dial Speed dial is a function available on many telephone systems allowing the user to place a call by pressing a reduced number of keys. This function is particularly useful for phone users who dial certain numbers on a regular basis. In most case ...
(also explained in the following chapter, "Features"), it displays the frequently accessed websites in resemblance to a desktop with computer icons scattered over it in an artistic formation.


Features

Opera has originated features later adopted by other web browsers, including: Speed Dial, pop-up blocking, reopening recently closed pages,
private browsing Private browsing is a privacy feature in some web browsers. When operating in such a mode, the browser creates a temporary session that is isolated from the browser's main session and user data. Browsing history is not saved, and local data as ...
, and tabbed browsing. Additional features include a built-in screenshot tool, Snapshot, which also includes an image-markup tool; built-in ad blockers, and tracking blockers.


Built-in messengers

Opera’s desktop browser includes access to social media messaging apps WhatsApp, Telegram, Facebook Messenger, Twitter,
Instagram Instagram is a photo and video sharing social networking service owned by American company Meta Platforms. The app allows users to upload media that can be edited with filters and organized by hashtags and geographical tagging. Posts can ...
, TikTok, and VK.


Usability and accessibility

Opera includes a bookmarks bar and a download manager. It also has "Speed Dial" which allows the user to add an unlimited number of pages shown in thumbnail form in a page displayed when a new tab is opened. Opera was one of the first browsers to support
Cascading Style Sheets Cascading Style Sheets (CSS) is a style sheet language used for describing the presentation of a document written in a markup language such as HTML or XML (including XML dialects such as SVG, MathML or XHTML). CSS is a cornerstone techno ...
(CSS) in 1998. Opera Turbo, a feature that compresses requested web pages (except HTTPS pages) before sending them to the users, is no longer available on the desktop browser. Opera Turbo is available in Opera Mini, the mobile browser.


Privacy and security

One security feature is the option to delete private data, such as
HTTP cookie HTTP cookies (also called web cookies, Internet cookies, browser cookies, or simply cookies) are small blocks of data created by a web server while a user is browsing a website and placed on the user's computer or other device by the user's w ...
s, browsing history, items in cache and passwords with the click of a button. When visiting a site, Opera displays a security badge in the address bar which shows details about the website, including security certificates. Opera's
fraud In law, fraud is intentional deception to secure unfair or unlawful gain, or to deprive a victim of a legal right. Fraud can violate civil law (e.g., a fraud victim may sue the fraud perpetrator to avoid the fraud or recover monetary compens ...
and
malware Malware (a portmanteau for ''malicious software'') is any software intentionally designed to cause disruption to a computer, server, client, or computer network, leak private information, gain unauthorized access to information or systems, depri ...
protection warns the user about suspicious web pages and is enabled by default. It checks the requested page against several databases of known phishing and malware websites, called blacklists. In 2016, a free virtual private network (VPN) service was implemented in the browser. Opera said that this would allow encrypted access to websites otherwise blocked, and provide security on public WiFi networks. It was later determined that the browser VPN operated as a
web proxy In computer networking, a proxy server is a server application that acts as an intermediary between a client requesting a resource and the server providing that resource. Instead of connecting directly to a server that can fulfill a request ...
rather than a VPN, meaning that it only secured connections made by the browser and not by any other apps on the computer.


Crypto wallet support

In 2018, a built-in cryptocurrency wallet to the Opera Web Browser was released, announcing that they would be the first browser with a built-in Crypto Wallet. On 13 December 2018, Opera released a video showing many decentralized applications like Cryptokitties running on the Android version of the Opera Web Browser. In March 2020, Opera updated its
Android Android may refer to: Science and technology * Android (robot), a humanoid robot or synthetic organism designed to imitate a human * Android (operating system), Google's mobile operating system ** Bugdroid, a Google mascot sometimes referred to ...
browser to access crypto domains, making it the first browser to be able to support a domain name system (DNS) which is not part of the traditional DNS directly without the need of a plugin or add-on. This was through a collaboration with a San Francisco based startup, Unstoppable Domains. In January 2022, Opera introduced Opera Crypto Browser into public beta, combining a non-custodial wallet with a dedicated browser for blockchain enabled services and Web3 technologies. On April 14 2022, Opera launched its Crypto Browser available on iOS devices.


Other versions


Opera GX

Opera GX is a gaming-oriented counterpart of Opera. The browser was announced and released in early access for Windows on 11 June 2019, during E3 2019. The macOS version was released in December of the same year. Opera GX adds features geared towards gamers on top of the regular Opera browser. The browser allows users to limit network, CPU, and memory usage to preserve system resources, with GX Cleaner, a tool that allows users to clear cache, cookies, and other junk. It also adds integrations with other apps such as Twitch, Discord, Twitter, and
Instagram Instagram is a photo and video sharing social networking service owned by American company Meta Platforms. The app allows users to upload media that can be edited with filters and organized by hashtags and geographical tagging. Posts can ...
. The browser also has a built-in page called the GX Corner, which collates gaming-related releases, deals, and news articles. On 20 May 2021, Opera released a mobile version of Opera GX on iOS and
Android Android may refer to: Science and technology * Android (robot), a humanoid robot or synthetic organism designed to imitate a human * Android (operating system), Google's mobile operating system ** Bugdroid, a Google mascot sometimes referred to ...
.


Development stages

Opera Software uses a release cycle consisting of three "streams," corresponding to phases of development, that can be downloaded and installed independently of each other: "developer," "beta," and "stable." New features are first introduced in the developer build, then, depending on user feedback, may progress to the beta version and eventually be released. The developer stream allows early testing of new features, mainly targeting developers, extension creators, and early adopters. Opera developer is not intended for everyday browsing as it is unstable and is prone to failure or crashing, but it enables advanced users to try out new features that are still under development, without affecting their normal installation of the browser. New versions of the browser are released frequently, generally a few times a week. The beta stream, formerly known as "Opera Next," is a
feature complete A software release life cycle is the sum of the stages of development and maturity for a piece of computer software ranging from its initial development to its eventual release, and including updated versions of the released version to help impro ...
package, allowing stability and quality to mature before the final release. A new version is released every couple of weeks. Both streams can be installed alongside the official release without interference. Each has a different icon to help the user distinguish between the variants.


Market adoption


Integrations

In 2005,
Adobe Systems Adobe Inc. ( ), originally called Adobe Systems Incorporated, is an American multinational computer software company incorporated in Delaware and headquartered in San Jose, California. It has historically specialized in software for the crea ...
integrated Opera's rendering engine, Presto, into its Adobe Creative Suite applications. Opera technology was employed in
Adobe GoLive Adobe GoLive was a WYSIWYG HTML editor and web site management application from Adobe Systems. It replaced Adobe PageMill as Adobe's primary HTML editor and was itself discontinued in favor of Dreamweaver. The last version of GoLive that Adobe ...
,
Adobe Photoshop Adobe Photoshop is a raster graphics editor developed and published by Adobe Inc. for Microsoft Windows, Windows and macOS. It was originally created in 1988 by Thomas Knoll, Thomas and John Knoll. Since then, the software has become the indu ...
, Adobe Dreamweaver, and other components of the Adobe Creative Suite. Opera's layout engine is also found in Virtual Mechanics SiteSpinner Pro. The Internet Channel is a version of the Opera 9 web browser for use on the Nintendo Wii created by Opera Software and Nintendo. Opera Software is also implemented in the
Nintendo DS Browser The is a handheld game console produced by Nintendo, released globally across 2004 and 2005. The DS, an initialism for "Developers' System" or "Dual Screen", introduced distinctive new features to handheld games: two LCD screens working in tan ...
for Nintendo's handheld systems. Opera is one of the top 5 browsers used around the world. As of April 2021, Opera's offerings had over 320 million active users.


Reception

The Opera browser has been listed as a "tried and tested direct alternative to Chrome." It scores close to Chrome on the HTML5test, which scores browsers’ compatibility with different web standards. Versions with the Presto layout engine have been positively reviewed, although they have been criticized for website compatibility issues. Because of this issue, Opera 8.01 and higher had included workarounds to help certain popular but problematic web sites display properly. Versions with the Blink layout engine have been criticized by some users for missing features such as UI customization, and for abandoning Opera Software's own Presto layout engine. Despite that, versions with the Blink layout engine have been noted for being fast and stable, for handling the latest web standards and for having a better website compatibility and a modern-style user interface.


See also

Opera browser platform variants: * Opera Mini: a browser for tablets and telephones *
Opera Mobile Opera Mobile is a mobile web browser for smartphones, tablets and PDAs developed by Opera. History The first devices to run a mobile edition of Opera were the Psion Series 5, Psion Series 5mx, Psion Series 7, and then Psion netBook. They ra ...
: a browser for tablets and telephones Related other browsers: *
Otter Browser Otter Browser is a cross-platform web browser that aims to recreate aspects of Opera 12.x using Qt framework while keeping seamless integration with users' desktop environments. Otter Browser is licensed under GPL-3.0-or-later. It works on Linux- ...
: an open-source browser that recreates some aspects of the classic Opera * Vivaldi: a freeware browser created by former Opera Software employees Related topics: *
Comparison of browser synchronizers The following tables compare general and technical information for a number of web-based browser synchronizers. Please see the individual products' articles for further information. Unless otherwise specified in footnotes, comparisons are based ...
*
History of the web browser A web browser is a software application for retrieving, presenting and traversing information resources on the World Wide Web. It further provides for the capture or input of information which may be returned to the presenting system, then store ...
*
List of pop-up blocking software This is a list of software that blocks pop-up ads. Browsers that block pop-up ads Trident shells * AOL Explorer *Avant Browser * GreenBrowser *Internet Explorer * Lunascape *Maxthon *MSN Explorer * NeoPlanet *Netcaptor * Netscape 8 * Sleipnir ...
*
List of web browsers The following is a list of web browsers that are notable. Historical Layout engines * Gecko is developed by the Mozilla Foundation. ** Goanna is a fork of Gecko developed by Moonchild Productions. * Servo is an experimental web brow ...
*
Timeline of web browsers This is a timeline of web browsers from the early 1990s to the present. Prior to browsers, many technologies and systems existed for information viewing and transmission. For an in-depth history of earlier web browsers, see the web browser article ...


References


External links

* {{DEFAULTSORT:Opera (Web Browser) C++ software Cross-platform web browsers Embedded Linux Freeware OS/2 web browsers MacOS web browsers Pocket PC software Portable software POSIX web browsers Proprietary cross-platform software Proprietary freeware for Linux Science and technology in Norway Software based on WebKit Software companies of Norway Telenor Windows web browsers 1994 software 1995 software Computer-related introductions in 1995 BSD software