Hi Mike, Don't know if this will help, but I wrote an article last year on replacing the <noscript> element with Dom/JavaScript.
http://dev.opera.com/articles/view/replacing-noscript-with-accessible-un/ Med vennlig hilsen / Kind regards, Frank M. Palinkas Senior Technical Writer, Web Standards and Accessibility Designer Core Engineering, Opera Software ASA, Oslo, Norway Mobile: (+47) 95 17 61 11 Web standards and accessibility tutorials: http://dev.opera.com/author/947856 On Thu, Jul 14, 2011 at 12:36 PM, Foskett, Mike <mike.fosk...@uk.tesco.com>wrote: > Hi all,**** > > ** ** > > Just finished a major update for Tesco's homepage.**** > > ** ** > > http://www.tesco.com/**** > > ** ** > > Tesco's are the UKs largest retailer and this page gets approximately 1 > million hits a day.**** > > ** ** > > The page has been speed tweaked as much as possible given IT / server > restraints.**** > > Unfortunately the page now fails W3C formal grammar validation.**** > > ** ** > > Because the page as designed was a massive 1.4MB (previously 260 Kb - 330 > Kb), JavaScript was used to fetch image upon demand rather than on-load or > post-load. **** > > This greatly reduced the impact on the servers (critical) and improved the > initial page load speed.**** > > ** ** > > Obviously a no JavaScript version was also required.**** > > ** ** > > The image references cannot be in the standard CSS as IE loaded all the > images, used or not:**** > > ** ** > > .noJS .imgRef {background:url(...)}**** > > ** ** > > Will not work.**** > > ** ** > > All the image references were placed into a separate CSS noJS.css and the > link in a <noscript> and this is where the validation breaks.**** > > Apparently <noscript> is illegal in the <head>, and a <noscript> containing > a <link> is illegal in the body.**** > > ** ** > > <noscript>**** > > <link rel="stylesheet" > href="/homepages/default/noJS.compressed.css" type="text/css" media="all" /> > **** > > </noscript>**** > > ** ** > > I went for placing it in the body so the noscript is legal but the link > reference is not.**** > > ** ** > > I can see no alternative, and wondered if any of the list members had a > more valid solution?**** > > ** ** > > ** ** > > Regards,**** > > ** ** > > Mike Foskett**** > > http://webSemantics.co.uk/ <http://websemantics.co.uk/>**** > > ------------------------------ > This is a confidential email. Tesco may monitor and record all emails. The > views expressed in this email are those of the sender and not Tesco. > > Tesco Stores Limited > Company Number: 519500 > Registered in England > Registered Office: Tesco House, Delamare Road, Cheshunt, Hertfordshire EN8 > 9SL > VAT Registration Number: GB 220 4302 31 > > ******************************************************************* > List Guidelines: http://webstandardsgroup.org/mail/guidelines.cfm > Unsubscribe: http://webstandardsgroup.org/join/unsubscribe.cfm > Help: memberh...@webstandardsgroup.org > ******************************************************************* ******************************************************************* List Guidelines: http://webstandardsgroup.org/mail/guidelines.cfm Unsubscribe: http://webstandardsgroup.org/join/unsubscribe.cfm Help: memberh...@webstandardsgroup.org *******************************************************************
