<head xmlns:th="https://www.thymeleaf.org" th:fragment="head"
th:with="description=${isPost ? post != null ? post.status.excerpt : singlePage != null ? singlePage.status.excerpt : site.seo.description : site.seo.description}">
  <meta charset="utf-8"/>
  <title th:text="${title + (#strings.isEmpty(site.subtitle) ? '' : '|' + site.subtitle)}"></title>
  <script th:if="${theme.config.enhance.enable_sw}" th:src="${(theme.config.enhance.enable_sw == 'uninstall')? #theme.assets('/js/sw.min.js?uninstall=true') + 