scrape.rb

require 'selenium-webdriver'
require 'json'
require 'csv'
require 'active_support/all'

options = Selenium::WebDriver::Chrome::Options.new
options.add_argument('--headless') # Remove this to watch the browser in testing
options.add_argument(%Q{--user-agent="Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36"})
options.add_argument("--blink-settings=imagesEnabled=false")
driver = Selenium::WebDriver.for(:chrome, options: options)

driver.get("https://www.example.com")

10.times do
  driver.execute_script("window.scrollBy(0,2000)")
  sleep 2
end

# Do something to load data from page here