Generally, there are the following main steps to order Web data extraction services:
- Via email, please tell use your requirements which should at least contain the follows:
- The target URL if the content on a specific page will be extracted. For example, a piece of news or an article want to be extracted.
- The scope of the target site and the URL of a sample page. For example, items on yellow pages or product lists on eCommerce sites are to be extracted.
- The format of extraction results. Default is in format of XML document.
- Time deadline for delivery
- Our professional service team try to extract data from the target and evaluate the difficulty. The following factors make important contributions on difficulty:
- round trip time to access the target. It depends mostly on the location the site fixed.
- speed on loading a page. It depends mostly on the size of the document and on number of external resources to be loaded, e.g. images or flag advertisements from 3rd party sites.
- if there is some anti-spider mechanism, for example, limitation on number of continuous clicking
- if there is a challenging method for human beings.
- total number of target pages. In normal cases, more target pages, lower is unit price.
- After the task has been evaluated, we email you the quotation and terms & conditions on payment & delivery. Sample data extraction results will be appended.
- Confirmation mutually
- You pay for the service according to payment terms
- We deliver the extraction results according to delivery terms
If you want to know the unit price of this service, please visit Price of professional Web data extraction service.