Recent Technology Changes in optica4all.ru

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Technologies in use by optica4all.ru

Yandex is an internet technologies company that operates in Russia, CIS and Turkey. It is the largest Russian and fourth-largest world internet search engine. Yandex is an acronym for the phrase Yet Another Indexer. As of March 2013, Yandex had about 61% of the Russian search market (source: LiveInternet.ru). Yandex’s miss...

Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.

Websites using some form of Captcha technology on them.

Google APIs are application programming interfaces developed by Google which allow communication with Google Services and their integration to other services.

Yandex is a search engine and web portal.

Websites using Google technologies

This site uses the viewport meta tag which means the content may be optimized for mobile content.

Joomla! is the mobile-ready and user-friendly way to build your website. Choose from thousands of features and designs. Joomla! is free and open source.

nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.

Websites using https protocol.

The DOCTYPE is a required preamble for HTML5 websites.

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.

A scheme.org entity that represents an article, such as a news article or piece of investigative report. Newspapers and magazines have articles of many different types and this is intended to cover them all.

A scheme.org entity that represents a blog.

A scheme.org entity that represents a blog post.

Google's hosted library for web fonts. Allows websites to choose and use fonts from a free, wide variety of fonts.

Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given page.

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