Always when you read a news article, the lead paragraphs are bold. Are there any general rules for this? Currently I have bold lead paragraphs on my blog. It looks pretty in my opinion, but I don't know if it's bad for SEO, for the readers or anything else. I can't find any other blog that does it, though. Why only news sites? Literally can't find any information on this online, so if any one can shed some light that would be appreciated.