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@danbp Thanks for a comprehensive answer Dan!

The sites run on the same server, but they don’t share the same database.

I’ve been into mySQL and each DB has the same tables set up – nothing looks odd or anything.

In terms of turning the option for BP’s activity button on and off – do you mean the auto-refresh option?

I’ve tried that to no effect.

With regards to BP-Default – I’ll certainly help test this – but for my issue, the fact the theme works on one install and not the other, would suggest that the theme isn’t an issue.

I’m going to keep looking through each site’s settings and see what the score is with any differences.

It’s such a mystery – and even more of a mystery that only iPhone/ iPads are affected on just one of the installs!

Thanks again for your help so far!

Ross 🙂

Hi Dan, I’m on a dedicated sever so the sites are hosted in the exact same environment.

I’ll take a look JS errors now!

@danbp Hey Dan,

Took me til 2AM this morning to work this out but got there in the end – whether it was to do with my WP setup or something that wp-admin/ajax.php is doing though I’m not sure.

I eventually found out how to debug on my iPhone and I when using any ajax on my staging site, I was given this kind of error:

‘XMLHttpRequest cannot load http://www.staging.mysite.com/wp-admin/admin-ajax.php.

Origin http://staging.mysite.com is not allowed by Access-Control-Allow-Origin.’

So it was to do with a mix of www. and non www. prefixes.

To allow this kind of cross site scripting securely you can add this to your htaccess file:

Header set Access-Control-Allow-Origin http://staging.mysite.com

And everything works just fine.

Any ideas if this would be caused by my initial WP install – even though from what I can tell it’s set to www.

My live site doesn’t have any issues – so maybe it just was my staging site’s setup.

Anyway, wanted to let you have a look incase anyone else has this issue in the future.

Ross 🙂

@djpaul Hey Paul – not spoken to you in ages – hope you’re well mate!

Right I’ve just had a look in WP settings and indeed the URL’s were set to www.

I have a very blurry recollection that I very well might have added those http://www.’s years back after my staging site was created by Boris.

Deleting the www. from both URL fields AND THEN REMOVING that Htaccess fix above still keep ajax working which is great!

It’s something I have never ever looked into before, but what would be hardcoded into my install to cause this mix up where it is expecting no www. but getting one.

Obviously I know where the www. came from – it was in those 2 general settings field, but where in the install was WP picking up that it was expecting no www. – and why would that only affect iPhone.

I’m just trying to figure out where that no www. stuff that WP was expecting is kept.

It’s bloody confusing for a simpleton like myself! Haha!

What ultimately determines what WP expects to see? The ajax was expecting a no www.

Thanks in advance.

@djpaul Ahh okay, cheers Paul.

Well I’ve ran the Go live URL WP plugin to change all references in the DB from www. to no www. (there were only a few) and it’s all good.

I guess the site was originally set up as no www. and I ended up editing the WP settings in the general panel to have www. – screwed it up.

We’re all good now though!