Failed loading XML... Specification mandate value for attribute data-pagespeed-no-defer attributes construct error Couldn't find end of Start Tag script line 1 Opening and ending tag mismatch: head line 1 and script Specification mandate value for attribute data-pagespeed-no-defer attributes construct error Couldn't find end of Start Tag script line 1 Opening and ending tag mismatch: html line 1 and script Extra content at the end of the document