Here's an easy way to write better blog posts.
First write out your idea, without concern for quality. Just express the thought at hand.
Next go through the text, eliminating the passive voice anywhere you find it.
Do it again for adverbs, and a third time for run-on sentences.
Making these changes always improves writing, no matter what the topic, style, or context. For bonus points, do a fourth review pass, looking for ways to eliminate repetition.
Finally, copy-paste your text into a word processor to get automated spelling and grammar checks for free.
Yes, I'm aware this blog post contains an adverb. These are rules of thumb.