Is it necessary for all websites to keep dynamic links static

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My website, Rob Treasure NET, use is Ecshop program, the current link is dynamic, just saw SEO, very important one thing, is to put dynamic link static.

I'll find friends to help rob the treasure net virtual dynamic link, then my friend said that this requires server support, to reload a software, and installed after the speed of open Rob will be slow, and he also said that the current search for dynamic page crawl and static is not much. Many large sites are currently dynamic links, such as Dangdang, because the server is our own, said the virtual dynamic will aggravate the burden on the server, advised me not to engage.

In fact, I always wanted to put the link to the product page static, this search can be included in a number of product pages, users search the product name can be directly linked into the product page Rob Bao Net, this on an E-commerce site, there is a great help, friends say Rob Treasure Network dynamic Link static, more harm than good, I do not know how to do.

There is also to explain that the Ecshop Mall in the background of the store settings in a URL rewrite optimization, but I set up later, you can put the link static. But, Rob Treasure product page will not open, said is to support the server, then I asked, my server is IIS, it seems not support, depressed.

Two more questions:

1. Is the website's logo, photos, navigation pictures How to add a simple description? How do I add a keyword to the navigation picture?

2. Are all pages required to be added with descriptions and keywords?

Rob Treasure NET to have what more serious problem need to optimize?

Just tested the following SEO scores, Rob treasure nets only 54 points, and said my key words of relevance for 0, very depressed, I myself is not a little understanding of the site production technology, technology are friends do.

But feel that the actual SEO is marketing, so recently has been watching, and very happy, I am a SEO did not get into the people, but very seriously wrote these questions, hope to be answered, thank you.