18 months back, a graph has been published depicting the Unicode on the web has increased the encoding for the text on the web. From then, the growth become very fast. The web pages are capable of using a line of different character encodings, for example ASCII, Windows 1252, Latin-1 or Unicode.
Most of them can only read in few languages. But through Unicode, it can represent thousands of them, from Arabic to Chinese in to Zulu. It is a long term Unicode for the internal format for the text searched. All the other Unicode’s first go for conversion for processing,
The Graph of Google shows the internal data, providing the reports of indexing of the web pages. And it is variable somehow to other search engine’s results.
However, the fashion is clear and transparent and making the Unicode to expand in its use to make working it more faster and easier for the processing of many other languages covering so far.