public void setTitle(String title) {
if (ObjectUtils.isBlank(title)) {
removeHeadTag("title");
} else {
HtmlText text = new HtmlText();
List<HtmlNode> children = findOrCreateHeadElement("title").getChildren();
text.setText(title);
children.clear();
children.add(text);
}
setMetaProperty("og:title", title);