Make it easier to read. White text on a black background is kind of hard to see, and the green and black is just really, really loud. I would just choose a different theme all together and add more posts.
You need a writer. Your text is horribly written – there are many mistakes. You must at least find an editor and correct all these mistakes.
I recommend changing the layout of your blog. There are free blogger themes that you can use if you can't find one that is within blogger. A good, organized theme helps make your blog look credible and professional. I noticed you have adsense under your posts. You might want to place that on your sidebar or maybe in between posts if you intend to make more money out of your blog. My two cents. Have a good day!
My few suggestions would be to do it at both in writing your content and displaying it. Keep away from technical terms as much as possible. Keep it in simple points. In terms of theme, make sure not everything is in one style. Remove the bold and huge text from the normal text content. let there be some difference between Headers and text. Hope, this helps you.
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