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"all in one SEO" and "Yoast" are great plugins

http://www.searchenginepeople.com/blog/5-seo-wordpress-plugins.html

Check your users and permissions in WMT and GA. I noticed that two Gmail accounts from a while back were given admin access to our accounts!

That means someone that used to work for you could go in and remove your site from Googles index. Check your accounts folks just a heads up

Here is an article talking about this potentially dangerous issue.

http://thenextweb.com/google/2012/11/28/serious-google-security-glitch-gives-webmaster-tools-possibly-analytics-access-to-revoked-accounts

http://googlewebmastercentral.blogspot.com/2012/03/video-about-pagination-with-relnext-and.html

3. While it’s fine to set rel=”canonical” from a component URL to a single view-all page, setting the canonical to the first page of a parameter-less sequence is considered improper usage. We make no promises to honor this implementation of rel=”canonical.”

I would suggest not more than  100 links on a PR 5 home page and  50 links on a PR 4 home page or otherwise risk spreading your page juice too thin for any pages to rank.  However, the most important rule of thumb is that all links should have user value and SEO value. I would change the developer to someone  who understands how to design a site for users and search engines

get the YOAST seo plugin and you can handle the archive pages by noindex,follow like you mentioned. If you allow them to get indexed you're just creating duplicate content. The plugins also allow you to set canonicals to help avoid duplicate content as well. Very simple to install and no programming background needed, although you might need FTP access to upload the plugin to the plugins directory.

if domain registration is not private then they know this, if email addresses and physical addresses listed on the site are same they know same owner, if ips are the same they know same owner

if you do linking, link the lesser site to the main site only.

bottom line is if you are targeting the same keywords you are against Googles TOS because you're only supposed to have one site for your business.

agree, the homepage has an issue should rank first and the homepage indexing is the problem i believe he is asking about.

doing a query for the domain name you see this is the URL that is showing

http://www.oxygenconcentratorstore.com/

not

http://www.oxygenconcentratorstore.com

so http://www.oxygenconcentratorstore.com/ probably has or had the title tag "Oxygen Concentrators" and no meta description so that is why you are not seeing the title tag and meta description as seen in the source of this page http://www.oxygenconcentratorstore.com, it's a different indexed page in Google.

a) 301 redirect the / to the non slash version

b) make sure you are linking to the non / version in sitemap.xml files

c) make sure the homepage logo and other places on the site that are linking to the homepage are doing so without the slash at the end

e) add the canonical tag to the homepage without the slash in it

f) when doing link building link to the homepage (if you must link to the homepage) without the slash.

g) slash of no slash it doesn't matter, just do it one way and keep it consistent

thumbs down that answer i dare you lol

Well hang on a second here before everyone excited about hotlinking helping you in SEO and rankings.

If someone is hotlinking to an image on your site, even if it passes PR the PR is going nowhere because it's an image, not a webpage. There are no links on an image for the PR to pass to the rest of your site.

Optimizing your image with proper name and alt tag will help on page SEO and also help that image rank better in google image searches. If your image ranks good in google image search it could bring traffic to your site.  Some shady sites know this and use scripts to automatically redirect the user to their website after clicking on that image in google image search - look at the bullet hole tattoo example

https://www.google.com/search?q=best+tattoos&hl=en&tbo=d&source=lnms&tbm=isch&sa=X&ei=EjPwUJW8IcW6kQXZ6IHADA&ved=0CAcQ_AUoAA&biw=1920&bih=910

http://www.google.com/imgres?hl=en&sa=X&tbo=d&biw=1920&bih=910&tbm=isch&tbnid=hSAsZ2NTvO53-M:&imgrefurl=http://tattoostyles1.com/best-tattoos/&docid=-PGBMcnFFHCldM&imgurl=http://tattoostyles1.com/wp-content/uploads/2012/09/best-tattoo-4.jpg&w=550&h=550&ei=yjLwUOm_O8zOkgXk84GgBw&zoom=1&iact=rc&dur=557&sig=105399590545317518308&page=1&tbnh=137&tbnw=138&start=0&ndsp=67&ved=1t:429,r:0,s:0,i:150&tx=92&ty=84

If your site is all about images then i would disable hotlinking and i would watermark all of your images in case someone wants to lift them at least your domain name is on them and you might get type thru traffic while also dicouraging someone from scarping your entire site and stealing your pictures for their site.

look at your site performance report in google webmaster tools. all tools reports results differ, at the end of the day it's what Google sees that matters. use the pingdom type tools to identify things to fix to increase performance, use Google's wmt as the gauge to see if your changes are making a positive impact, takes a few days to see the speed report update itself.

302 redirects do not pass PR so you need to 301 the site instead, if there is PR on that site. if not you can just point that domain at the DNS level and it will resolve.

but i would think the version without the hyphens is more desirable. why isn't that your main domain name? obviously you own both domains. people only use the hyphens when the domain name they want is already taken.

If you're only getting one page indexed it's not an issue, in other words if your a/b test is serving up the duplicate b page to browsers only and not bots it's fine.

Keyword density on site for "lipozene" is too high like on this page.

http://www.lipozene.com/faqs/

You are keyword stuffing, I would delete this tag globally. The keyword stuffing on the site is a sure fire way to make sure Google does not rank you for "lipozene"

<meta name="<a class="attribute-value">keywords</a>" content="<a class="attribute-value">lipozene, lipozene pills, lipozene supplements, lipozene review, 
lipozene diet, weight loss lipozene, diet, buy lipozene, lipozene facts</a>" /> 

find out if they were internal or external you can see that in WMT

if internal it's probably a reflection of different site navigation and number of links on your pages (and number of paged)

if external it's 404'ing links (make sure you are 301'ing everything important) or links getting devalued or dropped by sites. Sometimes a site can be linking to you 200,000 times and then remove your links overnight.

Xenu's Link Sleuth is very helpful in finding link issues

definitely keep it then!

Google can tell the difference between a site that aggregates content from around the web and a spam site. The aggregate sites would take down the whole web if they were to be considered link sapm. Google just ignores their links.  I would check to see if they link to other sites as well? As long as no spam is involved, I would ask them to remove the links but  I wouldn't be very concerned if they didn't.

ask them what their website is and then check their rankings. if they can't get their own site ranked how are they going to get yours?

I would advise letting the engines to get to every single search URL that users generate. You will be creating many duplicate pages. You can choose to block the engines from getting to any internal search results or perhaps a segment of the search results if they don't conflict with your category pages.

Even if it's original content, filtering flimsy pages with little data for the user are what panda is all about. You can noidexed follow them and then gradually open them back up as you add additional content.

look at your pages report and see top traffic generating pages, those pages are getting traffic because Google likes them and is ranking them. You definitely don't want to block any pages that are getting ranked and bringing visitors.

If you are mostly targeting Netherlands than buy a .NL extension not DE. Secure both if expanding.

I would prefer with the amlaut if it is a German site being targeted in Germany, so it is better because people typing into google.de will be using the amlaut and this is the proper spelling for this word. That is assuming you can get a domain name with amlaut characters registered.

Will it make a big difference in rankings, probably not much so if it's a matter of getting a available domain name for cheap or paying a lot of money to purchase it off of a seller I would go with the cheaper route.

You can also look for a alternative domain name that has schädlinge with the amlaut in it and is available.

You will of course be using the amlaut in the site content and can use it in directory and filenames as well so you're still showing Google and the user what they want to see.

Use the word with the amlaut in the title tag and the meta description.

that disallow command will block all files with the name 123.html in any folder deeper that the root.

This with the canonical (absolute not relative) will probably cover you, but it is really recommended to get a robots noindex meta tag on these duplicate pages as well. Bots coming in from an external link pointing to that page could result in the page getting indexed, also the canonical is a suggestion not a rule.