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Here are some:

http://www.similarsites.com

http://www.similarsitesearch.com

http://www.alexa.com

Alan's answer is spot on.

Avoid javaScript or carefully follow best-practices so Google can crawl all content without reading javaScript. Alan is exactly right when he said: never count on Google crawling through your JavaScript to find content, but also never count on being able to hide anything from Google via JavaScript.

Whether you use PHP or not is not directly relevant. PHP is executed server-side, so Google never sees your PHP code and doesn't care. What matters is whether your programmer writes PHP code that will generate search friendly HTML code, url structure, etc.

You should definitely remove those canonical tags ASAP.

Each page should only have one canonical tag - the correct canonical URL for that page.

Hope that helps!

If possible, I would set up a several page site with good content on the new domain and start building links to it. I think that would look less strange than a 302 redirect.

Well, you're probably either getting more traffic and/or maybe you need to optimize your file sizes.

How much bandwidth have you used?

Usually images or videos are what gobbles up bandwidth. Are you hosting any large images, videos, or files?

This isn't necessarily surprising. Penalties and negative ranking algorithms can be applied at a page level, a subdomain level, a root domain level, etc.

For example, HubPages used subdomains to help escape from a Panda slap.

Another example: Google placed a manual penalty on a single page of BBC's website.

Also, SEOmoz doesn't necessarily crawl the same set of URLs each month. Even if index sizes are the same, some URLs get dropped and some added each month.

Load time can be a server issue, a software/coding issue, and/or a filesize issue.

4GB of bandwidth in 4 days is a lot - that's how much my site that gets 30K+ uniques per month has used. Based on Alexa rank, it looks like your site doesn't get that much traffic? Have you had an uptick in traffic?

You can check page and file sizes at http://tools.pingdom.com/fpt/ That tool shows your homepage and associated files has a total size of 1MB. To use 4GB of bandwidth at that rate, you'd need ~4,000 pageviews.

You could run your top pages through that tool and see if any of the embedded images or other files are too large.

You could also check your log files to see if someone has embedded an image from your site, you're getting crawled by robots, etc.

Hope that helps!

One of our clients has a separate mobile site, and we've setup the rel="alternate" on the main site homepage, but https://www.google.com/webmasters/tools/mobile-friendly/ still fails the site (it checks the main site, instead of the mobile site) when we put in the main site URL. Is there any way to check that we've got everything setup correctly? (We have a lot of experience with mobile responsive sites, but not so much with separate URLs.)

We have a summer intern we need to give a handbook/guide on social media strategies, best practices, etc. Any recommendations? It can be free or paid, as long as it is accurate and up-to-date!

You will generally need programming expertise, to write a program to pull and display the data from the API.

Got this issue fixed. The issue was that robots.txt was blocking the Javascript file that does the redirect, so Google couldn't see the redirect.

Sanket,

As mentioned, Google's count of results is not a precise number and is known to vary.

So they are getting more people liking their Facebook page each week, or they get a higher percentage of their fans to like their status updates?

If it's the former, there are lots of things they could be doing, most of which you can't see. Options include:

• Running a Facebook ad campaign
• Running other ad campaigns
• Using a like box on their website
• Promoting their Facebook page via email
• Doing joint ventures
• Offline promotion

Some of that you might be able to figure out with some sleuthing, but there's a lot they could be doing that there is just no way for you to find out about.