Introduction to the Scrapy Selector
Creating a scrapy selector object using a string with the HTML code Created a scrapy selector object using a string with html code. The Selector sel has selected the entire HTML document.
XPathology in WebScraping
Single forward slash / looks forward one generation.Double forward slash // looks forward all future generation.Square brackets  help narrow in one specific element
Attributes in HTML for Web Scraping
So, attributes in HTML are important.. Information withing HTML tags can be valuable. Extract link URL. Easier way to select elements.
HTML for Web Scraping
You have heard about the term HTML, which is called Hyper Text Markup Language. HTML is used to render the website content on the browser.