diff --git a/src/html/elements.zig b/src/html/elements.zig
index 17df069a..0d93c3d6 100644
--- a/src/html/elements.zig
+++ b/src/html/elements.zig
@@ -5,6 +5,7 @@ const Element = @import("../dom/element.zig").Element;
 
 // HTMLElement interfaces
 pub const Interfaces = .{
+    HTMLElement,
     HTMLUnknownElement,
     HTMLAnchorElement,
     HTMLAreaElement,
@@ -16,11 +17,15 @@ pub const Interfaces = .{
     HTMLCanvasElement,
     HTMLDListElement,
     HTMLDataElement,
+    HTMLDataListElement,
     HTMLDialogElement,
+    HTMLDirectoryElement,
     HTMLDivElement,
     HTMLEmbedElement,
     HTMLFieldSetElement,
+    HTMLFontElement,
     HTMLFormElement,
+    HTMLFrameElement,
     HTMLFrameSetElement,
     HTMLHRElement,
     HTMLHeadElement,
@@ -43,6 +48,7 @@ pub const Interfaces = .{
     HTMLOptionElement,
     HTMLOutputElement,
     HTMLParagraphElement,
+    HTMLParamElement,
     HTMLPictureElement,
     HTMLPreElement,
     HTMLProgressElement,
@@ -161,12 +167,24 @@ pub const HTMLDataElement = struct {
     pub const mem_guarantied = true;
 };
 
+pub const HTMLDataListElement = struct {
+    pub const Self = parser.DataList;
+    pub const prototype = *HTMLElement;
+    pub const mem_guarantied = true;
+};
+
 pub const HTMLDialogElement = struct {
     pub const Self = parser.Dialog;
     pub const prototype = *HTMLElement;
     pub const mem_guarantied = true;
 };
 
+pub const HTMLDirectoryElement = struct {
+    pub const Self = parser.Directory;
+    pub const prototype = *HTMLElement;
+    pub const mem_guarantied = true;
+};
+
 pub const HTMLDivElement = struct {
     pub const Self = parser.Div;
     pub const prototype = *HTMLElement;
@@ -185,12 +203,24 @@ pub const HTMLFieldSetElement = struct {
     pub const mem_guarantied = true;
 };
 
+pub const HTMLFontElement = struct {
+    pub const Self = parser.Font;
+    pub const prototype = *HTMLElement;
+    pub const mem_guarantied = true;
+};
+
 pub const HTMLFormElement = struct {
     pub const Self = parser.Form;
     pub const prototype = *HTMLElement;
     pub const mem_guarantied = true;
 };
 
+pub const HTMLFrameElement = struct {
+    pub const Self = parser.Frame;
+    pub const prototype = *HTMLElement;
+    pub const mem_guarantied = true;
+};
+
 pub const HTMLFrameSetElement = struct {
     pub const Self = parser.FrameSet;
     pub const prototype = *HTMLElement;
@@ -323,6 +353,12 @@ pub const HTMLParagraphElement = struct {
     pub const mem_guarantied = true;
 };
 
+pub const HTMLParamElement = struct {
+    pub const Self = parser.Param;
+    pub const prototype = *HTMLElement;
+    pub const mem_guarantied = true;
+};
+
 pub const HTMLPictureElement = struct {
     pub const Self = parser.Picture;
     pub const prototype = *HTMLElement;
@@ -459,21 +495,26 @@ pub fn toInterface(comptime T: type, e: *parser.Element) T {
     const elem: *align(@alignOf(*parser.Element)) parser.Element = @alignCast(e);
     const tag = parser.elementHTMLGetTagType(@as(*parser.ElementHTML, @ptrCast(elem)));
     return switch (tag) {
+        .abbr, .acronym, .address, .article, .aside, .b, .bdi, .bdo, .bgsound, .big, .center, .cite, .code, .dd, .details, .dfn, .dt, .figcaption, .figure, .footer, .header, .hgroup, .i, .isindex, .kbd, .main, .mark, .marquee, .nav, .nobr, .noframes, .noscript, .rp, .rt, .ruby, .s, .samp, .section, .small, .spacer, .strike, .sub, .summary, .sup, .tt, .u, .wbr, ._var => .{ .HTMLElement = @as(*parser.ElementHTML, @ptrCast(elem)) },
         .a => .{ .HTMLAnchorElement = @as(*parser.Anchor, @ptrCast(elem)) },
         .area => .{ .HTMLAreaElement = @as(*parser.Area, @ptrCast(elem)) },
         .audio => .{ .HTMLAudioElement = @as(*parser.Audio, @ptrCast(elem)) },
-        .br => .{ .HTMLBRElement = @as(*parser.BR, @ptrCast(elem)) },
         .base => .{ .HTMLBaseElement = @as(*parser.Base, @ptrCast(elem)) },
         .body => .{ .HTMLBodyElement = @as(*parser.Body, @ptrCast(elem)) },
+        .br => .{ .HTMLBRElement = @as(*parser.BR, @ptrCast(elem)) },
         .button => .{ .HTMLButtonElement = @as(*parser.Button, @ptrCast(elem)) },
         .canvas => .{ .HTMLCanvasElement = @as(*parser.Canvas, @ptrCast(elem)) },
         .dl => .{ .HTMLDListElement = @as(*parser.DList, @ptrCast(elem)) },
         .data => .{ .HTMLDataElement = @as(*parser.Data, @ptrCast(elem)) },
+        .datalist => .{ .HTMLDataListElement = @as(*parser.DataList, @ptrCast(elem)) },
         .dialog => .{ .HTMLDialogElement = @as(*parser.Dialog, @ptrCast(elem)) },
+        .dir => .{ .HTMLDirectoryElement = @as(*parser.Directory, @ptrCast(elem)) },
         .div => .{ .HTMLDivElement = @as(*parser.Div, @ptrCast(elem)) },
         .embed => .{ .HTMLEmbedElement = @as(*parser.Embed, @ptrCast(elem)) },
         .fieldset => .{ .HTMLFieldSetElement = @as(*parser.FieldSet, @ptrCast(elem)) },
+        .font => .{ .HTMLFontElement = @as(*parser.Font, @ptrCast(elem)) },
         .form => .{ .HTMLFormElement = @as(*parser.Form, @ptrCast(elem)) },
+        .frame => .{ .HTMLFrameElement = @as(*parser.Frame, @ptrCast(elem)) },
         .frameset => .{ .HTMLFrameSetElement = @as(*parser.FrameSet, @ptrCast(elem)) },
         .hr => .{ .HTMLHRElement = @as(*parser.HR, @ptrCast(elem)) },
         .head => .{ .HTMLHeadElement = @as(*parser.Head, @ptrCast(elem)) },
@@ -496,6 +537,7 @@ pub fn toInterface(comptime T: type, e: *parser.Element) T {
         .option => .{ .HTMLOptionElement = @as(*parser.Option, @ptrCast(elem)) },
         .output => .{ .HTMLOutputElement = @as(*parser.Output, @ptrCast(elem)) },
         .p => .{ .HTMLParagraphElement = @as(*parser.Paragraph, @ptrCast(elem)) },
+        .param => .{ .HTMLParamElement = @as(*parser.Param, @ptrCast(elem)) },
         .picture => .{ .HTMLPictureElement = @as(*parser.Picture, @ptrCast(elem)) },
         .pre => .{ .HTMLPreElement = @as(*parser.Pre, @ptrCast(elem)) },
         .progress => .{ .HTMLProgressElement = @as(*parser.Progress, @ptrCast(elem)) },
@@ -508,7 +550,7 @@ pub fn toInterface(comptime T: type, e: *parser.Element) T {
         .table => .{ .HTMLTableElement = @as(*parser.Table, @ptrCast(elem)) },
         .caption => .{ .HTMLTableCaptionElement = @as(*parser.TableCaption, @ptrCast(elem)) },
         .th, .td => .{ .HTMLTableCellElement = @as(*parser.TableCell, @ptrCast(elem)) },
-        .col => .{ .HTMLTableColElement = @as(*parser.TableCol, @ptrCast(elem)) },
+        .col, .colgroup => .{ .HTMLTableColElement = @as(*parser.TableCol, @ptrCast(elem)) },
         .tr => .{ .HTMLTableRowElement = @as(*parser.TableRow, @ptrCast(elem)) },
         .thead, .tbody, .tfoot => .{ .HTMLTableSectionElement = @as(*parser.TableSection, @ptrCast(elem)) },
         .template => .{ .HTMLTemplateElement = @as(*parser.Template, @ptrCast(elem)) },
diff --git a/src/netsurf.zig b/src/netsurf.zig
index 03b2efb0..b114a298 100644
--- a/src/netsurf.zig
+++ b/src/netsurf.zig
@@ -68,41 +68,81 @@ inline fn stringFromData(data: []const u8) *String {
 // Tag
 
 pub const Tag = enum(u8) {
+    acronym = 123, // TODO c.DOM_HTML_ELEMENT_TYPE_ACRONYM,
+    bgsound = 124, // TODO c.DOM_HTML_ELEMENT_TYPE_BGSOUND,
+    big = 125, // TODO c.DOM_HTML_ELEMENT_TYPE_BIG,
+    marquee = 127, // TODO c.DOM_HTML_ELEMENT_TYPE_MARQUEE,
+    nobr = 128, // TODO c.DOM_HTML_ELEMENT_TYPE_NOBR,
+    noframes = 129, // TODO c.DOM_HTML_ELEMENT_TYPE_NOFRAMES,
+    spacer = 130, // TODO c.DOM_HTML_ELEMENT_TYPE_SPACER,
+    strike = 131, // TODO c.DOM_HTML_ELEMENT_TYPE_STRIKE,
+    tt = 132, // TODO c.DOM_HTML_ELEMENT_TYPE_TT,
+
     a = c.DOM_HTML_ELEMENT_TYPE_A,
+    abbr = c.DOM_HTML_ELEMENT_TYPE_ABBR,
+    address = c.DOM_HTML_ELEMENT_TYPE_ADDRESS,
+    article = c.DOM_HTML_ELEMENT_TYPE_ARTICLE,
+    aside = c.DOM_HTML_ELEMENT_TYPE_ASIDE,
     area = c.DOM_HTML_ELEMENT_TYPE_AREA,
     audio = c.DOM_HTML_ELEMENT_TYPE_AUDIO,
+    b = c.DOM_HTML_ELEMENT_TYPE_B,
+    bdi = c.DOM_HTML_ELEMENT_TYPE_BDI,
+    bdo = c.DOM_HTML_ELEMENT_TYPE_BDO,
     br = c.DOM_HTML_ELEMENT_TYPE_BR,
     base = c.DOM_HTML_ELEMENT_TYPE_BASE,
     body = c.DOM_HTML_ELEMENT_TYPE_BODY,
     button = c.DOM_HTML_ELEMENT_TYPE_BUTTON,
     canvas = c.DOM_HTML_ELEMENT_TYPE_CANVAS,
+    center = c.DOM_HTML_ELEMENT_TYPE_CENTER,
+    cite = c.DOM_HTML_ELEMENT_TYPE_CITE,
+    code = c.DOM_HTML_ELEMENT_TYPE_CODE,
+    dd = c.DOM_HTML_ELEMENT_TYPE_DD,
+    details = c.DOM_HTML_ELEMENT_TYPE_DETAILS,
+    dfn = c.DOM_HTML_ELEMENT_TYPE_DFN,
+    dt = c.DOM_HTML_ELEMENT_TYPE_DT,
     dl = c.DOM_HTML_ELEMENT_TYPE_DL,
     dialog = c.DOM_HTML_ELEMENT_TYPE_DIALOG,
     data = c.DOM_HTML_ELEMENT_TYPE_DATA,
+    datalist = c.DOM_HTML_ELEMENT_TYPE_DATALIST,
+    dir = c.DOM_HTML_ELEMENT_TYPE_DIR,
     div = c.DOM_HTML_ELEMENT_TYPE_DIV,
     embed = c.DOM_HTML_ELEMENT_TYPE_EMBED,
+    figcaption = c.DOM_HTML_ELEMENT_TYPE_FIGCAPTION,
+    figure = c.DOM_HTML_ELEMENT_TYPE_FIGURE,
     fieldset = c.DOM_HTML_ELEMENT_TYPE_FIELDSET,
+    footer = c.DOM_HTML_ELEMENT_TYPE_FOOTER,
+    font = c.DOM_HTML_ELEMENT_TYPE_FONT,
     form = c.DOM_HTML_ELEMENT_TYPE_FORM,
+    frame = c.DOM_HTML_ELEMENT_TYPE_FRAME,
     frameset = c.DOM_HTML_ELEMENT_TYPE_FRAMESET,
     hr = c.DOM_HTML_ELEMENT_TYPE_HR,
     head = c.DOM_HTML_ELEMENT_TYPE_HEAD,
+    header = c.DOM_HTML_ELEMENT_TYPE_HEADER,
     h1 = c.DOM_HTML_ELEMENT_TYPE_H1,
     h2 = c.DOM_HTML_ELEMENT_TYPE_H2,
     h3 = c.DOM_HTML_ELEMENT_TYPE_H3,
     h4 = c.DOM_HTML_ELEMENT_TYPE_H4,
     h5 = c.DOM_HTML_ELEMENT_TYPE_H5,
     h6 = c.DOM_HTML_ELEMENT_TYPE_H6,
+    hgroup = c.DOM_HTML_ELEMENT_TYPE_HGROUP,
     html = c.DOM_HTML_ELEMENT_TYPE_HTML,
+    i = c.DOM_HTML_ELEMENT_TYPE_I,
+    isindex = c.DOM_HTML_ELEMENT_TYPE_ISINDEX,
     iframe = c.DOM_HTML_ELEMENT_TYPE_IFRAME,
     img = c.DOM_HTML_ELEMENT_TYPE_IMG,
     input = c.DOM_HTML_ELEMENT_TYPE_INPUT,
+    kbd = c.DOM_HTML_ELEMENT_TYPE_KBD,
     li = c.DOM_HTML_ELEMENT_TYPE_LI,
     label = c.DOM_HTML_ELEMENT_TYPE_LABEL,
     legend = c.DOM_HTML_ELEMENT_TYPE_LEGEND,
     link = c.DOM_HTML_ELEMENT_TYPE_LINK,
+    main = c.DOM_HTML_ELEMENT_TYPE_MAIN,
     map = c.DOM_HTML_ELEMENT_TYPE_MAP,
+    mark = c.DOM_HTML_ELEMENT_TYPE_MARK,
     meta = c.DOM_HTML_ELEMENT_TYPE_META,
     meter = c.DOM_HTML_ELEMENT_TYPE_METER,
+    nav = c.DOM_HTML_ELEMENT_TYPE_NAV,
+    noscript = c.DOM_HTML_ELEMENT_TYPE_NOSCRIPT,
     ins = c.DOM_HTML_ELEMENT_TYPE_INS,
     del = c.DOM_HTML_ELEMENT_TYPE_DEL,
     ol = c.DOM_HTML_ELEMENT_TYPE_OL,
@@ -111,11 +151,22 @@ pub const Tag = enum(u8) {
     option = c.DOM_HTML_ELEMENT_TYPE_OPTION,
     output = c.DOM_HTML_ELEMENT_TYPE_OUTPUT,
     p = c.DOM_HTML_ELEMENT_TYPE_P,
+    param = c.DOM_HTML_ELEMENT_TYPE_PARAM,
     picture = c.DOM_HTML_ELEMENT_TYPE_PICTURE,
     pre = c.DOM_HTML_ELEMENT_TYPE_PRE,
     progress = c.DOM_HTML_ELEMENT_TYPE_PROGRESS,
     blockquote = c.DOM_HTML_ELEMENT_TYPE_BLOCKQUOTE,
     q = c.DOM_HTML_ELEMENT_TYPE_Q,
+    rp = c.DOM_HTML_ELEMENT_TYPE_RP,
+    rt = c.DOM_HTML_ELEMENT_TYPE_RT,
+    ruby = c.DOM_HTML_ELEMENT_TYPE_RUBY,
+    s = c.DOM_HTML_ELEMENT_TYPE_S,
+    samp = c.DOM_HTML_ELEMENT_TYPE_SAMP,
+    section = c.DOM_HTML_ELEMENT_TYPE_SECTION,
+    small = c.DOM_HTML_ELEMENT_TYPE_SMALL,
+    sub = c.DOM_HTML_ELEMENT_TYPE_SUB,
+    summary = c.DOM_HTML_ELEMENT_TYPE_SUMMARY,
+    sup = c.DOM_HTML_ELEMENT_TYPE_SUP,
     script = c.DOM_HTML_ELEMENT_TYPE_SCRIPT,
     select = c.DOM_HTML_ELEMENT_TYPE_SELECT,
     source = c.DOM_HTML_ELEMENT_TYPE_SOURCE,
@@ -126,6 +177,7 @@ pub const Tag = enum(u8) {
     th = c.DOM_HTML_ELEMENT_TYPE_TH,
     td = c.DOM_HTML_ELEMENT_TYPE_TD,
     col = c.DOM_HTML_ELEMENT_TYPE_COL,
+    colgroup = c.DOM_HTML_ELEMENT_TYPE_COLGROUP,
     tr = c.DOM_HTML_ELEMENT_TYPE_TR,
     thead = c.DOM_HTML_ELEMENT_TYPE_THEAD,
     tbody = c.DOM_HTML_ELEMENT_TYPE_TBODY,
@@ -135,8 +187,11 @@ pub const Tag = enum(u8) {
     time = c.DOM_HTML_ELEMENT_TYPE_TIME,
     title = c.DOM_HTML_ELEMENT_TYPE_TITLE,
     track = c.DOM_HTML_ELEMENT_TYPE_TRACK,
+    u = c.DOM_HTML_ELEMENT_TYPE_U,
     ul = c.DOM_HTML_ELEMENT_TYPE_UL,
+    _var = c.DOM_HTML_ELEMENT_TYPE_VAR,
     video = c.DOM_HTML_ELEMENT_TYPE_VIDEO,
+    wbr = c.DOM_HTML_ELEMENT_TYPE_WBR,
     undef = c.DOM_HTML_ELEMENT_TYPE__UNKNOWN,
 
     pub fn all() []Tag {
@@ -583,11 +638,15 @@ pub const Button = c.dom_html_button_element;
 pub const Canvas = c.dom_html_canvas_element;
 pub const DList = c.dom_html_dlist_element;
 pub const Data = struct { base: *c.dom_html_element };
+pub const DataList = struct { base: *c.dom_html_element };
 pub const Dialog = struct { base: *c.dom_html_element };
+pub const Directory = struct { base: *c.dom_html_element };
 pub const Div = c.dom_html_div_element;
 pub const Embed = struct { base: *c.dom_html_element };
 pub const FieldSet = c.dom_html_field_set_element;
 pub const Form = c.dom_html_form_element;
+pub const Font = c.dom_html_font_element;
+pub const Frame = c.dom_html_frame_element;
 pub const FrameSet = c.dom_html_frame_set_element;
 pub const HR = c.dom_html_hr_element;
 pub const Head = c.dom_html_head_element;
@@ -610,6 +669,7 @@ pub const OptGroup = c.dom_html_opt_group_element;
 pub const Option = c.dom_html_option_element;
 pub const Output = struct { base: *c.dom_html_element };
 pub const Paragraph = c.dom_html_paragraph_element;
+pub const Param = c.dom_html_param_element;
 pub const Picture = struct { base: *c.dom_html_element };
 pub const Pre = c.dom_html_pre_element;
 pub const Progress = struct { base: *c.dom_html_element };