What you wrote made a bunch of sense. But, consider this, what if you were to create a awesome headline?
I mean, I don't wish to tell you how to run your blog, but what if you added something that makes people want more?
I mean 中学技術の教材の大工道具 - まぐろぐ is kinda vanilla.
You could glance at Yahoo's front page and watch how they create news titles
to get viewers to open the links. You might try adding a video or a picture or two
to grab people interested about what you've got to say. In my opinion, it could make your
blog a little bit more interesting.