It's difficult to say which blog topics are the most popular, as the popularity of different topics can vary depending on the audience and the current trends. However, some general categories of blog topics that tend to be popular include:
• Personal experiences, such as travel, parenting, and daily life
• News and current events
• Technology and gadget reviews
• DIY and crafts
• Fashion and beauty
• Food and cooking
• Health and fitness
• Career and finance
• Entertainment and pop culture
It's important to note that the success of a blog doesn't necessarily depend on the popularity of the topic. Instead, the key to a successful blog is to find a topic that you are passionate about and can write about consistently, and to engage with your audience by providing valuable content and building a community.