How to judge a good tattoo?

Many people will ask a queasion that how to judge a good tattoo after tattoo?
First of all, a good tattoo must have a good ideas and creative, according to a tattoo pictures, to choose one you like, and choose a reasonable place of body. Tattoo line is smooth, delicate, uniform, uniform color, key parts of pattern theme is clear, and should be highlighted, for example, if you choose a tiger, tiger head and eyes are the important point, if the emphasis is not extrude, the tiger will seems not life. Then it will influence the whole tattoo. If tattoo appear break line, and color lump, and it can show that tattoo artist’s technology is not great, or he may not use the professional tattoo guns. If the tattoo color turns very series that will judge thar color materials is not good. (from tattooguns.us)
If we want to own a good tattoo, we must care all of above.