Re: ActionLink not Search Engine safe?

[PXZ]

I have found a solution by making a custom link component in this way:

Merge the sourcecode of the following classes: AbstractLink,
AbstractComponentEventLink and ActionLink. Then modify the buildHref()
method so that it simply returns "#". Then you can use your custom component
instead of the core ActionLink.

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Re: ActionLink not Search Engine safe?

[PXZ]

dragan.sahpas...@gmail.com wrote:
> 
> One solution is to check the user-agent header. Here is a list of common
> user agents http://www.robotstxt.org/db.html.
That could work, but it's not an option for me, because other unknown bots
that mimic the browsers agent might cause problems.

Taha Hafeez wrote:
> You have to set the zone parameter of the enclosing form component for
> ajax submission
ActionLink doesn't require forms, but LinkSubmit unfortunately does. (I
don't need forms.)

I also tried making a custom component by extending ActionLink and
overriding the href writing element, but Tapestry seems to shield developers
from extending its components by making the writeLink method (in
AbstractLink) final.

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Re: ActionLink not Search Engine safe?

[PXZ]

Taha Hafeez wrote:
> 
> Such links are submit links. Such a link has href='#' and submit form
> using javascript. As search engines follow href and don't execute
> javascript, these links are never followed.
> 
> http://tapestry.apache.org/current/tapestry-core/ref/org/apache/tapestry5/corelib/components/LinkSubmit.html
Thanks for the info.
Is a LinkSubmit able to perform ajax calls? (I have searched for whether it
supports ajax, but couldn't find it.)


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Re: ActionLink not Search Engine safe?

[PXZ]

Taha Hafeez wrote:
> 
> A link can be used for updates. As a developer it is our responsibility to
> ensure that such a link is only available to properly authenticated users.
And what if the link action should be available for publicly
non-authenticated users? For example a blogging website where everybody can
post comments. Than actionlinks cannot be used.

There no easy solution in Tapestry to solve this :(

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ActionLink not Search Engine safe?

[PXZ]

hi, I'm new to Tapestry. I was trying out the Vote Youtube tutorial/video,
and looks like that ActionLink doesn't seem to be safe for search engines?

The ActionLinks are rendered like this:

/vote/index.vote/2 + 

Or when zone (Ajax) is disabled:

/vote/index.vote/2 + 


The problem with this code is that the link changes server sided database
state via a simple link click (so it's a non-idempotent request). This means
that search engines and bots will change the database when they crawl/index
the website. The positive side of this code is that it is a safety fallback
for non-javascript clients.

Is there a way to override the href attribute to "#" so that it is safe for
search engines? Or is their another Tapestry component that is better suited
for this problem?


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