several ocado offers not showing on my supermarket

terra_ferma

I've found some products that are on offer on the Ocado website, but not on My Supermarket (even after choosing the same delivery day).
E.g.
several versions of bonne maman marmalade discounted
http://www.mysupermarket.co.uk/Shopping/FindProducts.aspx?Query=bonne%20maman%20marmalade

whole earth peanut butter 3 for 2
http://www.mysupermarket.co.uk/Shopping/FindProducts.aspx?Query=whole%20hearth%20peanut

san pellegrino 4x 500ml
buxton sparking 8 x 500ml
nicky elite aloe vera x 9

a good offer on malbec wines, buy two for 25% off, I had been waiting for one of them to be on offer somewhere, glad I caught it.

and the list goes on and on ...

Is this the case for other supermarkets, or a glitch maybe? Or have more regular users found the same? It's never happened before, but I've not used it much lately.

HowMuchIsThat

I checked a couple of products on iSpyPrices & the offers show up there:

You can set alerts on that site, so you get an email when a product you are interested in gets cheaper.

https://www.ispyprices.com/search/q%3D+whole+earth+peanut
https://www.ispyprices.com/search/q%3D+malbec

I don't use mySupermarket as I find it hard to compare prices there.