Of all the options, the most obvious one seems amiss:<p>Build it properly the first time with progressive enhancement. Then it will work for all visitors where the JavaScript doesn't kick in for some reason, not just Googlebot and Bingbot.<p>You know, this: <a href="http://digital.cabinetoffice.gov.uk/2013/10/21/how-many-people-are-missing-out-on-javascript-enhancement/" rel="nofollow">http://digital.cabinetoffice.gov.uk/2013/10/21/how-many-peop...</a>