On Wed, Sep 4, 2013 at 4:35 AM, Martin Descours <[email protected]>
 wrote:

> High Frontend Instance Hours : is it really due to crawlers ?
>


It's impossible to say that without thoroughly analyzing your logs - what
evidence do you have that the high traffic is due to a crawler?

Most search engine crawlers identify themselves with a specific user agent
string: for instance, Google's crawler calls itself *googlebot*, and Bing's
crawler declares itself as *bingbot*. Look in your logs; do you see those
user agents listed in the request logs?


On Wed, Sep 4, 2013 at 4:35 AM, Martin Descours <[email protected]>
 wrote:

> Analytics : is it common that analytics registers crawler visits ?
>
>

Depending on how the analytics software is built, yes. See
http://searchengineland.com/is-googlebot-skewing-google-analytics-data-22313
for
an example.


On Wed, Sep 4, 2013 at 4:35 AM, Martin Descours <[email protected]>
 wrote:

> Does it mean the other instance hours are opened when crawlers come into
> my webapp ?
>


Instances are opened whenever a request comes in to a dynamic
request-handler (i.e. a script, servlet, etc). If the crawlers are
requesting dynamic content, then instances will be opened up to handle
those requests.



-----------------
-Vinny P
Technology & Media Advisor
Chicago, IL

App Engine Code Samples: http://www.learntogoogleit.com

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