Strong search engines. Internet search engines: overview of existing solutions

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If you understand something, it is thorough. And if you are signed on our blog, then surely you want to become a steep specialist or want to know more about the search on the network. To achieve the desired - Fishhech and Lifehakov not enough. It is necessary to expand the horizon.

The search engine is a big and complex program designed to search for information on the Internet.

You generally thought how it appeared what we use every day, what on the Internet there are and why do all the studios work only with and? Do not put such questions in a long box. Only 10 minutes and here's another topic for conversation that you can easily support.

How to appear search engines

Long ago, when the Internet was young and green ...

Users who need to say was very little enough of their own bookmarks. But it lasted for a short time: soon a person became difficult to navigate in the manifold that appeared on the network in a short time.

And in order to somehow streamline chaos, Yahoo, DMOZ catalogs and others were invented (some still exist to this day), in which the authors added and sorted the appearing sites into categories. For some time it became easier to live.

But the Internet continued to expand and soon the size of the catalogs turned into something's breathtakingly giant. Then the developers first thought about finding inside the catalogs, and only later the creation of an automated indexing system of everything that is on the Internet to simplify the work to all users.

So the first search robots appeared.

Which search engine was the first

The first search engine is consideredWandex. (I'm confused with yandex!). This and other first services, of course, were far from excellence. On the search query they gave out at all what we used to see now, i.e. Not pleasedrelevant Pages, and all in a row, ignoring ranking. On January 1, 2012, Wandex was resumed.

So the first PS first began.What are search engines in modern internet? Apply a list.

What are the search engines: kings of the dance floor

Amazing but there are those who argueas a search engine is better. I would not do this, just for the reason that they are different and in general it depends on the purpose and on what user you are.

Yandex.

This is the most popular search engine in our country. LiveInternet argues thatYandex 50.9% enjoy, while on Google accounts for 40.6% (data from June 2015).

There is such a myth, they say, commercial requests in Yandex are many times more than the nearest competitor. I stumbled a couple of times on the idea that thanks to the achievable years of regionality, the type of audience or its number may vary - this is the reason for the Yandex championship for commercial requests. So do not believe it. Lit.

Google

Google search engine is the most popular everywhere, except for Russia :) has a bunch of different directions. In general, the undisputed world leader among search robots.

Google himself appeared approximately with Yandex, and it came to our Russia only in 2004, when Yandex has strengthened his position.

The search process in Google became for many earthlings already nade. But when I tell my mother "Zagugley", she still goes to look for the information you need in Yandex :) It does not knowwhat search engines exist on the Internet.

What are the search engines: a list of little-known PS

Most Internet users do not even knowwhat are the search engines except Yandex and Google. So they are;) Meet!

The search share of this search engine is difficult to name large, but the rates are growing. Although it is not worth missing the fact that these numbers are directly dependent on "classmates", mail mail.ru and other pieces from Mail Corporation.

This is a real old school. Just imagine: when this search engine appeared, some sechars still studied walking. In general, Rambler was a chance to rule the ball in, but this did not happen on a variety of reasons. Currently, this is not exactly a search engine, but a kind of set of services, on which the Yandex engine is used as a search - for example, there is your own. Attendance, by the way, pretty decent: per day, the main page of the Rambler is visited by a little more than a million users.

Also, Rambler has versionRambler Lite. (All the same, only without weather, news, advertising and other things) andXrambler. 15 search engines are combined at once.

How many names changed this search engine! For 8 years, he managed to diagnose the name MSN Search, then Windows Live Search, then reduced the previous name before Live Search and now came to the name Bing. Many argue that the search quality is close to the Google Standard.

It is now difficult to call Yahu by the search engine, since the agreement on all sites belonging to Yah, the Binga search engine is used. The last news about the contract can be found onSearchengines.

Webalta.

Surely this, the so-called search engine is familiar to you. I had to choose him, like a tick, from your browser?For a long time, everyone knows about the dark divids of this search engine. Alas, this PS is not interested in anyone. Users are looking for only articles on how to remove this rubbish from their computer.

Nigma

This search engine is significantly different from the rest. And if there is no one to surprise anyone the index base of other search engines, then the ability to solve problems in chemistry and mathematics is distinguished by Nigma from other Ps. Nigma also offers music, books, games and torrents.

The search engine created by order of the Russian government is considered the world's first state search engine. Offers a separate medical search (search for pharmacies, medicines and articles about diseases). A very convenient topic with a "comfortable country", where in one place all recommendations that help the citizen are collected. Here, for example, the section "Documents".

This PS is significantly different fromwhat are the search engines on the Internet. DuckDuckGo - Search Engine open source and interesting policies, which lies in the refusal to use the "filter bubble". For those who do not know: "Filter bubble" is when the search engine shows in issuing only those search results that it (this PS) considers the necessary specific user. At the same time, the opinion of the user itself does not interest anyone. DuckduckGo assures that the use of their search engine guarantees what you get all the information that has a search engine.

"Utkutkaidi" is gaining momentum. Already this summer (2015), the Creator of PS reported on three billion requests in annual terms.

During the writing of the article, I had a few questions. In such cases, I do not rely on issuance, yes, and why, if a person is sitting next to me, who knows everything about the Internet? Mini interview with Igor Ivanov.

Igor Ivanov

Head of semantica studio

If my site in Google and Yandex, will my site be on top of issuing in other, less large search engines?

There is a very high probability that it will be. Yandex and Google develop their algorithms in the right direction and other search engines take an example from them. There was a case when Google's specialists noticed that the Bing search engine not only copies their algorithms, but the search results.

Why probability, not complete confidence? Because other search engines will not have time to adjust their ranking algorithms for the standard, which asked their more successful competitors.

Is it worth moving at all in the satellite, mail and other "our" search engines? Which search engine is better?

The most popular web service of modernity is the search engine. Everything is explained here, because those times when representatives of the first Internet users could observe new items in the network long ago left.

The information appears and accumulates so much that the person has become very difficult to find exactly the one that he would be needed. Imagine, as if a search on the Internet, if an ordinary user would have to look for information not to understand where. It is not that we do not understand where, because you can't find a lot of information for a manual search.

Search engine, what is it?

Well, if the user is already known to know sites on which it is possible to have the necessary information, but what to do otherwise? In order to facilitate the life of a person in finding the necessary information on the Internet and invented search engines or simply search engines. The search engine performs one very important function, without which the Internet would not like it as we used to see - this is a search for information on the network.

Search system - This is a special web node or a different site that provides users with a hyperlink to pages, sites that meet the specified search query.

To be slightly more accurate, then search for information on the Internet, which is carried out by software and hardware functional setting and web interface for interacting with users.

To interact a person with a search engine and a web interface was created, that is, the visible and understandable shell. This approach of development developers facilitates the search for many people. As a rule, it is on the Internet that a search is carried out using search engines, but also there are search systems for FTP servers, individual types of goods in the World Wide Web, or news information or other search directions.

The search can be carried out not only by textual content of sites, but also by other types of information that a person can search: images, videos, sound files, etc.

How is the search for the search engine?

The search itself is on the Internet, exactly the same as viewing web sites is possible with the Internet browser Internet browser. Only after the user asked his query in the search bar, the search itself is directly.

Any search engine contains a software part on which the entire search engine is based, it is called the search engine - this is a software package and providing the ability to search for information. After turning to the search engine, the formation of a person's search query and enter it into the search string, the search engine generates a page with a list of search results, the most relevant, according to the search engine here are located above.

Search relevance - search for the most responding service to the user's materials and the location of the hyperlink on them on the issuance page with more accurate results above the other. The distribution itself is called the ranking of sites.

So how does the search engine prepare for issuing your materials and how does the search engine name be found? The collection of information in the network contributes unique for each search system a robot or a different bot, which also has a number of other synonyms as a crawler or spider, and the search system itself can be divided into three stages:

To the first step of the search engine work, you can attribute scanning sites on the global network and collecting your own copies of web pages. This forms a huge number of not yet processed and not suitable information for search results.

The second stage of the search engine is reduced to bringing into order of the previously obtained, at the first stage of information from sites. This sorting is produced, which for the smallest time will favorably favors the highest quality search, which users are actually waiting for the search engine. The stage is called indexing, it means that pages are already prepared for extradition, and the current base will be considered an index.

Just the third stage and causes search results after receiving a request from its client, based on key or about keywords specified in the request. This contributes to the selection of the most relevant request for information and subsequent issuance. Since information, very, very many, the search engine performs ranking in line with its algorithms.
The best search engine is the one that can provide the most correctly responding material to the user's request. But here they can meet the results that were influenced by people interested in promoting their site, such sites are not always, but often appear in the search results, but not for a long time.

Although world leaders in many regions are defined, search engines continue to develop their high-quality, search. The better the search they will be able to provide, the more people will use it.

How to use the search engine?

What is a search engine and how it works already understandable, but how to use it right? Most sites are always present a search string, and next to it is the Find button or search. A request is entered into the search string, after which you need to press the search button or how it happens more often, press the Enter key on the keyboard and in a matter of seconds you get the result of the query as a list.

But to get the right answer to the search request, it is not always possible to get the first time. In order to search for the desired did not become painful, it is necessary to properly compose a search query and follow the recommendations below.

Make a search query correctly

Next will indicate tips on how to use the search engine. Following some tricks and rules when searching for information in the search engine will give the opportunity to get the desired result much faster. Follow these recommendations:

1. The competent writing of words ensures the maximum number of matches with the desired information object (at least modern search engines have already learned to correct spelling errors, but it is not necessary to neglect this advice).
2. Through the use of synonyms in the query, you can reach a wider search range.
3. Sometimes changing the word in the query text can bring a greater result. Request a request.
4. Promote species to the request, use the exact entry of phrases to determine the main essence of the search.
5. Experiment with keywords. The use of keywords and phrases can help identify the main essence, and the search engine will give a more relevant result.

So such a search engine is nothing but the opportunity to find the information of interest and is usually completely free to use it, to learn something, to understand something or make the right conclusion for yourself. Many no longer represent their lives without voice search, in which the text does not have to gain, you only need to pronounce your request, and the microphone input device is here. All this indicates a constant development of search technologies on the Internet and the need for them.

With flourishing censorship and tracking Alternatives to Google and Yandex, you are interested in users more and more. We will tell you about three search engines without prohibitions that do not collect personal information about you, but, on the contrary, protect your privacy.

Startpage: the most discrete search engine in the world

StartPage.com calls himself "the most discrete search engine in the world." Since 2016, the service has been merged with the iXQUICK site. As evidence of the security of its search, Startpage.com is positioning itself as a single search engine that has an EU certificate of confidentiality.

StartPage.com promises not to save user IP addresses and, according to the service,does not use cookies for tracking. In addition, Startpage.com is available from the TOR network.Search engine servers are located in the Netherlands.

The site has a convenient feature:search results can be viewed using the "Proxy" option, which encrypts the connection with the corresponding web page using the proxy server. Thus, this is a real search engine without prohibitions: you can safely view what blocks your provider.

Search proxies: startpage calmly bypassing Yandex.dns lock

Search proxies - the main feature of the StartPage, which make it a search engine without censorship. If you need to look for without blockages, this service is for you.

DuckduckGo: anonymous search engine from the USA

DuckDuckGo is the most widely used by Google's secure alternative with more than ten million requests per day.Despite the fact that the search engine servers are located in the USA, duckduckgo.com, however, offers some interesting features.

When searching through duckduckgo.com your IP address will not be saved. System is also N.e uses cookies to track.Duckduckgo applies encryption using HTTPS. You can also enter a request through the TOR network. In addition, you can use different themes to configure the search page display.

Open sites through a proxy here. But given the fact that the system is outside the jurisdiction of the Russian Federation, it does not apply to it, for example, "the right to oblivion" in the sense in which it is understood from us.Search results may not be perfect, but still quite useful.

The right to oblivion: DuckDuckGo finds sites with a compromising blocked in the Russian Federation. Google - only news

This service is more suitable for those who are primarily important anonymity and search without tracking. Or those who want to find information excluded from the results of search results in the Russian Federation. However, it should be warned: in Russia DuckDuckGo became a partner of Yandex, so you can expect everything.

notevil: Search on the Internet, which is not

Notevil search engine allows you to search from the Internet for the anonymous TOR network. To do this, you do not need to install any additional software (although it will be needed in order to open the search results).

This search engine allows you to search for the so-called darcnet - that part of the Internet, which is usually not available to the average user. Due to the locks, useful services are gradually moving into it, for example, to download content.

Most web search engines for TOR shamelessly earn on advertising: you get results from Tor, and in addition - a handful of advertisements and tracking as a gift. Notevil does not work in principle. It is clear that the spelling of IP and using cookies does not go here at all.

Notevil: helps to find in Tor what can not be on the Internet

The site will be useful for those who want to get acquainted with the content of the invisible Internet; Hardcore anonymity is guaranteed. By the way, we recommend that you immediately save yourself a link to bookmarks - the TOR-TO-WEB URL URLs are very unfriendly in terms of memorization.

Anonymous search engines as a secure alternative to Google

All three search engines do not register your IP address and use cookies for surveillance. HTTPS encryption is provided by all suppliers called.

The best search results in the test showed a DuckDuckGo search engine, and guaranteed security when choosing an alternative search engine you will receive with StartPage.com. EU data protection certification confirms that the search engine holds its promises about the anonymity of the search.To search by Darknetu, in turn, Notevil is useful.

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Introduction

Few people can now present the Internet without searching, searching for issuing and organizing all these information search engines (IPS). But even recently, all information of the Internet has fun in several directories, the name is still on the hearing (Dmoz, Yahoo).

Today, the amount of information on the Internet is so huge that it is not possible to fit it into any directories. For processing, storing information, search organizations are created and continue to be created, powerful software products that we call search engines (PS). Each search engine (search engine) has its own databases, their own processing, search, ranking, and information issuing algorithms.

Internet search systems is

You can give the following academic definition to search engines. Search engine is a set of programs and technical means for organizing on the Internet of a user search, in which on the text request, the user receives a list of relevant (relevant query) results.

The issuance is made in the form of a list of references to the source of information with a brief description (preview) Sometimes with the photo.

For the first example, let us remember the world leader of the search "Google" and the leader of Runet Search Engine "Yandex". In addition to these search engines, you can call another dozen existing search engines, about which we will talk to a little lower.

Opinion: Google Search Systems, Yandex and others are not generators (manufacturers) of content, but are aggregators (batteries) of content and in the main mass, someone else's content. It is worth remembering that the use of someone else's content to create their own traffic and its monetization can be characterized as "piracy", which, in practice, of course, does not occur.

Rating

• And Google share the first two places of leaders: about 49% and 45%.
• Third place: search Mail.ru is about 3%;
• The remaining search engines are floating below 1%.

I watch statistics on Google Analytics:

• yandex / Organic 40.26%
• google / Organic 38.93%
• mail.Ru / ORGANIC 0.60%
• rambler / Organic 0.52%
• bing / Organic 0.12%

Statistics inexorab: to the search for Yandex and are also addressed, and if you consider that 3% is a good result compared to 45%, then you can call the third in popularity.

In this regard, the reasoning about the popularity of search engines besides Yandex and Google, can be attributed to the drying, and special promotion of sites in other search engines (not Yandex and Google), which do not deserve attention.

How search engines work

The question is how search engines work, the same common as the question of the sky. If the sky is blue, then search engines collect information on the Internet, processed it, rank and go to the search query.

The theory of the Internet search is much more important and in the article should not be present. However, the highlights will be useful to us:

Internet search engines do not store documents, that is, they do not make downloading and unloading documents completely into their repository;

IPS use the Internet as a decentralized document repository. Search engines occasionally bypass the Internet, choose the necessary, according to their algorithms, information and partially placing it (information) into its database (Database). From here a few problems:

• IPS is used to issue not all Internet information, but only part;
• Internet information is often changing. About 1500 thousand pages per day are added, from here a possible "empty issuance";
• There is a large number of doubles (duplicate content). Unfortunately, I have no accurate duplicate data, and a 5% duplicated digit seems to be overestimated;
• A lot of advertising, which also bypass search engines;
• "Wandering" of search robots in the network repeatedly increases the load not resources (not refers to search engines);
• Most commercial sites (about 83%), and have a small informative value.

For these and some other reasons, the overwhelming majority of IPS Internet use keyword search scheme (Search Engines), and not a classic search for information classification scheme.

Search features by keywords

Despite the changing algorithms of search engines, the advertisement of which is trying to convince us that the cars become smarter and dirty, the search for search engines is a search by keywords.

I like this search scheme by keywords.

As you can see, the operation of the Internet search engine is based on the search for new documents (SPIDER + CRAWLER search robot), indexing detected documents (indexer) and executing a user query (Search Engine Results Engine). The names of search robots used for these purposes are listed in brackets.

As I said, most search engines do not copy the full texts of documents into their database. To search for a document indexing, its search image is created. To organize the software search, the indexing robot creates an image of the software document, the so-called derived method (DERIVED). That is, a header and a set of keywords are specified in the document image.

However, it is fairly precisely possible that all IPS pay attention to the following:

• The presence of a key word in