Web Scraping is the process of using bots to extract data from a web page and content.
The web scraping technique copy extracts underlying HTML code. And, with him, the data stored in a database. The web scraping may copy or replicate the entire contents of the website in another place.
The web scraping is used in a variety of digital businesses that depend on data collection. A priori does not have to be a bad thing or something to try to avoid. Since they can help us to expand our business on the internet. There are a variety of examples:
The Bots from the search engines that track a website, by analyzing its content and then classifying it. For example the Google bot. We want this to crawl our website so that you index it, especially if we have optimized it for SEO.
The famous comparators of price, that it implemented bots to automatically obtain the prices and descriptions of products for web sites of affiliates vendors. For example, typical hotels price comparison portals, insurance, etc.
Market research companies. They use bots to extract data from forums and social media (for instance, for social analysis or use customs).
But we must also say that the web scraping is used for illegal purposes, as the theft of content protected by copyright, or to spy on the competition.
WEB SCRAPING TOOLS
Web scraping tools are software (I mean, bots) programmed to filter out databases and extract information. A variety of types of bots are used, where many of them are completely customizable for: Recognize unique site HTML structures, extract and transform the content of a web site, storing the data collected, and extract data from APIs.
Since all scraping robots have the same purpose (access to the data of the web site) It can be difficult to distinguish between legitimate bots and the malicious. But there are some key differences that help to distinguish between the two types:
WEB SCRAPING LEGITIMATE
Legitimate bots are identified by the entity for which make the scraping. For example, Googlebot is identified in its HTTP header as belonging to Google.
Legitimate bots respect a site robot.txt file. It lists those pages to which a bot is allowed to access and which cannot.
The resources necessary to run bots scraping are substantial. So much so, legitimate entities that make web scraping to make a large investment in servers to process the large amount of data extracting.
WEB SCRAPING MALICIOUS
The web scraping is considered malicious when extracted data without the permission of the owners of web sites. Malicious bots impersonate traffic legitimate to create a fake HTTP user agent. In addition, These track the web site regardless of what the web site administrator has allowed.
The two most common use cases in the malicious web scraping are the Accessories scraping and the content theft.
In the Accessories scraping, a network of bots is usually used. From this network launches scumware robots to inspect databases of business competition. The goal is to access, above all, to price information. The attacks occur frequently in companies where products are easily comparable and price plays an important role in the decisions of purchase of consumer users. The victims of the scraping of prices can be travel agencies, ticket sellers and vendors of the electronic sector online. That is to say, to use it to gain an advantage with respect to competitors. A provider can use a bot to continuously extract web sites of competitors and instantly update your own prices.
The content scraping includes large scale theft of content from a particular web site. Typical targets are the catalogs of products online and web sites that rely on digital content to boost your business. For example, online local business directories invest significant amounts of time, money and energy to build your database content. The scraping can result in that the content is collected, and use it in spam campaigns or resell them to competitors.
INCREASE YOUR SALES WITH WEB SCRAPING
Once seen two types of scraping (legitimate and malicious), We will focus again on the legitimate. Let us take an example, Suppose that you have an online store and want to connect to Google Merchant Center or solostock.com. With this technique you can publish their products on those Web sites simply taking charge of his original. Since automatically the others will leave actuliazando to update yours. And do not need to spend more time and effort on the others.
Therefore, from Aulatina, We can work the web scraping legitimate on its website so that you can increase your sales and visibility on the Internet.