static or pseudo-static web pages?

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1, there is no difference for the static and pseudo-static in the seo;
2, static web is likely to cause the disk crash, and affect the performance of the forum;
3, pseudo-static web will occupy a certain CPU usage, it will cause the overload of CPU in a large amout;
4, the key point is to make the static web for the seo.
So:
1, the static web can be excluded, whatever kinds of generation methods, it will harm the disk.
2, we can choose pseudo-static web as it has the same function with the static web
3,as the pseudo-static web will cause the overload of CPU, so we can limit its number;
4, static web is for seo, we can provide the pseudo-static web with the seo
5, provide the special seo Archiver in the pseudo-static web