Parsing or as it is sometimes call web scraping is the process of automatically collecting information from various sites. Forums, news sites, social networks, marketplaces, online stores and even search results are far from a complete list of resources from which content is collect.
And often content needs to be collected in large volumes, en masse, and if data is also needed with a certain frequency, then it is not possible to solve such a task manually. This is where special algorithms come to the rescue, which, according to certain conditions, collect information, structure it and issue it in the required form.
Who needs to parse websites and why?
Parsing is mainly used by professionals to greece email lead solve work tasks, since automation allows you to get a large array of data at once, but it is also useful for solving specific problems.
- Marketers collect information on sales volumes, determine shelf share, learn category demand and other indicators that allow them to forecast sales;
- Product managers collect information about changes in product metrics, conduct A/B tests, measure statistical significance;
- Analysts monitor changes in competitors’ prices;
- Developers fill online stores with wholesaler content and automatically update prices;
- SEO specialists find out whether all metadata, H1, Title, Description are fill in, analyze the presence of non-existent pages showing 404 errors, identify keywords
Classification of programs and tools for parsing
By resource usage
This is an important point, if the parser will be use for business tasks and regularly. You need to decide on whose side the algorithm will work, on the side of the contractor or yours. On the cell p data one hand, to deploy a cloud solution on your own. You will need a specialist to install and support the software. A dedicated space on the server, and the program’s operation will eat up server capacity. And this is expensive. On the other hand, if you can afford it. Perhaps such a solution will cost less (if the scale of data collection is truly industrial). You need to study the tariff scales.
Remote solutions
This includes cloud programs (SaaS solutions). The how to do sponsored ads on facebook main advantage of such solutions is that they are install. On a remote server and do not use your computer’s resources. You connect to the server via a browser (in this case, it is possible to work with any OS). Or an application and take the data you need.