Data Scraping Made Easy By Semalt

23.05.2018

Data Scraping Made Easy By Semalt

Web scraping has become an essential digital process in business and marketing planning. Today the industries
want to have gathered data within minutes and try to nd the most effective ways to achieve their goals. The Web
Scraper extension from Chrome is an excellent solution and offers its users amazing tools and results. The users
don't need to have any special computer programming skills to use this software program.

Web Scraper Extension

Web Scraper is an extension for Chrome browser made exclusively for
web data scraping. You can set up a plan (sitemap) on how to navigate a
website and specify the data to be extracted. The scraper will traverse the
website according to the setup and extract the relevant data. It lets users
export the extracted data to speci c formats. It can also scrape also
multiple pages. This is why it's a very powerful tool. It can retrieve data
from a number of dynamic web pages that use Ajax and JavaScript. To
scrape many pages from a particular website, the users need to
understand the pagination structure. For example, if they wish to switch
to a new page, they just have to change the number at the end of an URL.
At the same time, they can create a sitemap in order to scrape many
pages automatically.

Scraping Elements

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23.05.2018

When web searchers use this tool they can build sitemaps in order to be able to navigate the site and mine relative
data. By using various selectors, the web scraper can navigate the website to get some data, like lists, images,
contents, and tables. More speci cally, every time the scraper opens a page from a website, users have to gather
some elements. To do so, they have to click on the sitemap by selecting 'Scrape'. In case they need to stop the
process in between, they just have to close this window, and they can keep the extracted data. Then, scraped data
can be exported as CSV formats.

This data scraper is very simple, ef cient, and robust extracting tool. It offers some advantages, such as data
extraction that can read data structures, such as contact lists, prices, products, emails and more automatically.

Scraping Multiple Pages Using Re ne

Re ne offers some great techniques for users to be able to handle the best way possible the data they have
scrapped. To extract information out of multiple web-pages, we'll use a two-step procedure:

Firstly, we'll get all the URLs for the web-pages with the scraper
extension, then we will extract the information out of these web pages
using Re ne. If the web pages they want to gather data from provide links
to other similar pages, web searchers can use pagination to follow
through to the next page. Users can also combine some strategies to be
able to paginate and crawl to various websites. For example, they can
generate a list of URLs to scrape and then paginate through results.

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