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I've had a web site since before most people knew what a web site was, aeroconsult.com. It has a page authority of 30, domain authority of 21, and 21 root domains that link to path. The problem is, I am not getting many organic hits, and I am wasting a lot of non-productive money on ad words.

Because this site is over 20 years old, with a few rudimentary modifications, I decided to create a totally new web site that is modern and that has a regular menu, pictures, etc. It also has a domain name that more accurately reflects what I do. I am an engineering consultant working in the area of RF and microwave design and development. I design rf and microwave circuits and systems for clients. Those clients range from individual inventors to start-up companies, to large (and, yes, sometimes) corporations, including some aerospace companies. But, I do not design rockets, space ships, airplanes, or other things that an aerospace company does. I get a lot of organic hits on "aerospace consultant", "aerospace consulting", "aerospace design", etc. But, those are useless to me, since that is not what I do.

So, I designed a new website. It is still under development, but it is out there at rfandmicrowavedesign.com. Clearly, the URL is appropriate to what I do. And, all pages have my company name, Aerospace Consulting LLC. But, even with Google adwords, which I just activated for this site yesterday, I am not getting good results, especially when you look at the cost of the CPC.

I plan to keep my e-mail address, that is tied to aeroconsult.com since it has been out there for over 2 decades and that is what my old clients know. But, I am wondering if I should move the new web site contents to my old domain, aeroconsult.com because of the domain authority, page authority, and links?  Or, am I better just leaving the old aeroconsult.com web site out there and concentrate on the new web site with the new domain name?

Both web sites have 1 or 2 organic search results in the top 10, although the only organic search result that really relates to my business is "wireless design consulting" which is #8 for rfandmicrowavedesign.com, although I think it is something like #10 for aeroconsult.com. All other organic search results are less than 50, which is, of course, useless. (Although, #8 for rfandmicrowavedesign.com is pretty impressive since it has only been live for a couple of weeks, vs over 20 years for aeroconsult.com.

Anyway, I am looking for advice. Should I scrap the old aeroconsult.com web site and replace its contents with the contents of rfandmicrowavedesign.com, or should I leave them both active for at least a while? I plan to continue to use the aeroconsult.com domain for e-mail since it has been out there for so long. I guess the real question is whether I would gain lot by putting the clearly better content and structure of rfandmicrowavedesign.com on my old, established, aeroconsult.com, or whether I should concentrate in building up organic and paid search for rfandmicrowavedsign.com.

I think things may be sorted out, but I am not sure. I actually put in 301-redirects from a bunch of domains that I own to this new domain, the content of which will eventually replace my main domain. But, I need to get the domain properly set up and optimized before I move it to my primary domain to replace the ancient web site. At that time, I will also redirect this site to the new, old site.

I used to have Google ad-words tied to some of the domains that I 301-redirected to the new web site that I am building. Those were just a waste of money, however, so I put them on hold. I also had a lot of problems with semel and buttons for web bouncing off those pages that I re-directed. I put in .htaccess commands to stop those spam sites and that seems to work.

So, I think I may have had things wrong. For one thing, it seems like moz and Google are only indexing 2 pages, while the site index shows something like 80 pages. (I suspect an image is a page, and there are a lot of images. But, there are about 10 or 12 distinct pages at the moment. Also, Google and moz do not seem to show the correct key words in any sense like they should, leading me to think that they were just spidering 2 pages. I don't know why. I added the following to my index.html header:

and

I assume I put them in the correct place. I also believe I don't need canonical pages anywhere else.

Should these changes to my index.html make the proper changes?

I forgot. Of course, there is no xxx.com page, per se. It is actually xxx.com/index.html so if you needed to put the canonical reference on xxx.com, how would you do it?

Is it better to use 301 redirects or canonical page? I suspect canonical is easier. The question is, which is the best canonical page, YYY.com or YYY.com/indexhtml? I assume YYY.com, since there will be many other pages such as YYY.com/info.html, YYY.com/services.html, etc.