In GWT I have been receiving soft 404 errors for some URLs of my online shopping website. Ichecked all those URLs and those pages are looking good and there is nothing wrong in that page. Then why I'm receiving that errors?
This is the notification that I received in my GWT:
Dear owner or webmaster,
While crawling your site, we have noticed an increase in the number of transient soft 404 errors around 2013-06-30 16:00 UTC (London, Dublin, Edinburgh). Your site may have experienced outages. These issues may have been resolved.