As long as you take precautions against (eg) SQL injection. That said, your page content, especially the HTML title, will be much much more important than the URL. I'm doubtful that most search engines care too much about "content" in the URL. And it makes it less readable by users.
On Aug 18, 2011, at 1:14 PM, peter <[email protected]> wrote: > I am thinking of SEO. > > It seems that > > app/show_album/seargent%20pepper%27%20lonely%20heart%27s%20band > > would be good for anyone searching on this album (only an example). > > Using the post method is less good for SEO, or is this not the case? > > Peter > > On Aug 18, 11:06 am, Jonathan Lundell <[email protected]> wrote: >> On Aug 18, 2011, at 6:09 AM, peter wrote: >> >>> If one enters a url for web2py >> >>> .../welcome/default/index/a%20b >> >>> then the URL works fine (%20 is an encoded space) >> >>> If one puts >> >>> .../welcome/default/index/a%27b >> >>> then one gets an 'Invalid request'. The %27 is an encoded apostrophe. >> >>> So web2y is not liking this encoded apostrophe in what it sees as the >>> first argument. Why does it not like %27 and is there anything simple >>> way round this? >> >> By default, web2py is a little conservative in its validation of incoming >> URLs. The parametric router is more liberal, adhering more closely to the >> RFCs. However, as others have pointed out, the URL is a primary attack >> vector for some malware. If you're going to be accepting special characters >> in your args & vars, be sure you understand the consequences for SQL >> injection and other attacks, and guard against them.

