What this is useful for
Finding active blogs in a specific niche is useful for guest-post outreach, competitor research, or simply discovering good reading in a topic you're interested in. This searches the live web for your topic combined with the word "blog" and returns real, current results pulled fresh at search time - not a static or outdated directory that could easily be months or years stale.
Why it searches for "topic + blog" specifically
Adding "blog" to your search topic strongly biases results toward genuine blog content rather than general web pages, news articles, or e-commerce listings that happen to mention your topic. It's a simple but effective filter: most blogs explicitly identify themselves as such somewhere on their pages, which this search pattern picks up on reliably.
What it can't guarantee
Because this is a search-based approach rather than a curated, hand-verified blog directory, it can't promise every single result is a true, actively updated blog in the strictest sense - some results might be a one-off article on a larger publication's site, for instance. A quick skim of the actual results is worth doing before committing outreach time to any of them.
Using this well for outreach
Before pitching a guest post or partnership to any blog this finds, check the site's actual recent posting activity, its real audience size if that's discoverable, and whether it publishes an explicit guest-post or contributor policy - search results alone tell you a blog exists and roughly what it covers, not whether it's currently accepting outside content.