Related Clues:

• Brown recluse, for one
• Peter Parker's biter
• Muffet frightener
• It has its own web site
• Web crawler
• Webmaster?
• Web host?
• Charlotte, e.g.
• Arachnid
• Web-site architect
• Web-ster
• Amex investment
• Producer of fine threads
• Itsy-bitsy thing
• Animal that has something in common with this week's puzzle