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Sometime ago google used to update their index and backlinks every 3-4 months. It used to be a big update. Recently I noticed that the updates are way too frequent. has anyone else noticed these sort of changes in Google crawling, indexing and backlink updates?
Google's crawling algorithms are constantly changing and evolving. Most of the sites I monitor get their sitemaps pinged by Google everyday, occasionally even multiple times per day. And that's been true for a few years.
Many factors play into how google indexes your site, and how often. Whether you use webmaster tools, what your sitemap defines for your change frequency, whether or not you use analytics, your PageRank, etc...
While I will say that the frequency has gone up somewhat over the past few years I haven't seen any substantial leaps lately. Nothing to be concerned about, unless you're trying to game the system, in which case Google will catch you. ;-)
It really depends on Google "trust" to website.
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I am the developer of Infermap.com. We are regularly monitoring and working on SEO and presence on Google SERPs. In the past 3-4 days we have seen a sudden steep drop in the number of Impressions on Google.
Can someone suggest me the possible reason of why might this happen and by what ways I can prevent it.
Also I have added around 11k urls to be indexed out of which only 1.5k has been indexed. What are the possible reasons for it?
(note: this question should probably be moved to Webmasters Stack Exchange)
Looks like your 11k new URLs have not been picked up as quality content by Google. You might even be cloaking, when I click on a result I get a completely different text on your site.
Ways to avoid it:
avoid cloaking
avoid adding similar looking pages without unique content, e.g. make sure your pages are unique enough before publishing them
feed new content that looks alike gradually, e.g. start with 100 pages, wait a week or two, and add another 200. Once you are confident your pages are picked up well you can add everything at once.
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Here's my big and dirty list of SEO/analytics sites and services. As far as I can tell, none of them can give me a table of most viewed URLs by unit time for some arbitrary domain or subdomain (or the Internet as a whole). How can I get that, or something that approximates it nicely, paid or free?
Google Analytics’ In-Page analytics
compete.com
alexa
unica's netinsight
lyris HQ
coremetrics
iperceptions
feedburner
crm metrix
ethnio
foresee
Crazy Egg
ClickTale
KISSinsights
Ahrefs/arefs
insights for search
hitwise
technorati
SerpIQ
SerpFox
Micrositemasters
Xrumer
Scrapebox
Longtail pro
Majestic SEO
Raven tools
seoMOZ Pro
screaming frog
searchmetrics essentials
Cuterank
thanks for mentioning serpIQ! I work with the company and it's always nice to be included. To answer your question, I don't think that any of the tools you listed (or any I can think of myself) can do what you're asking. The only thing that may be able to would be custom reporting for Google Analytics, or some other metrics tracking SaaS - I know we don't offer it as part of our product. Hope that helps!
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I have developed a website for a firm that deals in pumps, valves and diesel engines. They require that when an interested user searches with some keywords like "Pump Dealers" or "Valve Dealers", their site should appear in the results. Currently I am not aware of how I can go about this, so my question is what should I do in order for better page ranking. I am using meaningful page titles and have enough text in every page.
Any suggestion is welcome.
Firstly Pagerank is irrelevant these days, so don't worry about that.
You should ensure that you use Google's Webmaster Tools to check that Google knows about your site etc. This will tell you what things it is coming up for on Google.
Make sure that the page has the text on it you want to rank for - as you mention, titles, headers etc will help but don't over do it.
The main thing to do is to get links to your site – write interesting blog posts, contact customers etc so they link to you.
It really depends on who your competition is for those terms - if there are already 10 huge companies ranking for those terms then you are stuck.
The other way to do this is to buy Adwords – this will likely cost upwards of $5-10 a day to get any meaningful traffic though.
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Lately I have been reading about web crawling, indexing and serving. I have found some information on the Google Web Masters Tool - Google Basics about the process that Google does to crawl the Web and serve the searches.
What I am wondering is how they save all those indexs? I mean, that's a lot to store right? How do they do it?
Thanks
I'm answering myself because I found some interesting stuff that talks about Google index:
In Google Webmasters YouTube Channel, Matt Cutts give us some references about the architecture behind Google Index: Google Webmaster YouTube Channel
One of those references, and from my point of view a worth reading, is this one: The Anatomy of a Large-Scale Hypertextual Web Search Engine
This helped me to understand it better, and I hope it help you too!
They use a variety of different types of data stores depending on the type of information. Generally, they don't use SQL because it has too much overhead and isn't very compatible with large-scale distribution of information.
Google actually developed their own data store that they use for large read-mostly applications such as Google Earth and the search engine's cache. This supports distributing information over a very large number of computers with each piece of information stored on three or four different computers. This allows them to use cheap hardware -- if one computer fails, the others immediately begin restoring all the data it held to the appropriate number of copies
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A site I just started to manage is not banned in Google because I can find the domain in the index, but it gets extremely poor ranking -- almost nowhere to be found.
Does anyone know of a good method for determining how and/or why a site gets a poor ranking in Google. The site I have has been around for a while and is very rich with content relative to "youth sports". Yet you can hardly find it in the Google.
Sorry for asking this question here, but if you have ever posted anything to the Google Help and User forums you;ll find you get no responses or assistance. SO is the only place I can ever get exceptional and timely help.
There is no way to tell for sure as no one knows exactly how pages are ranked. However, we do have a pretty good idea of what many of the ranking factors are so we can be sure do them to help our chances of ranking well. This question at Pro Webmasters is a good start. So is this answer. Once you're sure you got the basics down you need to promote your website in the hopes of getting quality links to your pages. But if you don't have quality content (and what you call quality content may not be what Google and others call quantity content) you're not going to stand much of a chance of ranking well.
Did you use any dirty tricks like white text on white background to contain some false keywords etc.? Google continually discovers these tricks and penalizes them. Cheating doesn't pay off. I don't tell this is your case, but I just want to warn against it, in general.