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Super slow performance when there are lots of "a" html tags #239
Description
I am displaying an HTML, having about 200 a tags, the initial load and display of html is super slow.
When I modify IsBlockAssignableToBox function, so it does not add a tags, the performance issue is resolved ( and offcourse a tags are not rendered as links)
modifed IsBlockAssignableToBox version :
private static bool IsBlockAssignableToBox(CssBox box, CssBlock block)
{
bool assignable = true;
if (block.Selectors != null)
{
assignable = IsBlockAssignableToBoxWithSelector(box, block);
}
else if (box.HtmlTag.Name.Equals("a", StringComparison.OrdinalIgnoreCase) && block.Class.Equals("a", StringComparison.OrdinalIgnoreCase)
// && !box.HtmlTag.HasAttribute("href")
)
{
assignable = false;
}
if (assignable && block.Hover)
{
box.HtmlContainer.AddHoverBox(box, block);
assignable = false;
}
return assignable;
}
Activity
[-]Sloe performance when there are lots of "a" html tags[/-][+]Super slow performance when there are lots of "a" html tags[/+]a-v-ebrahimi commentedon Feb 8, 2026
I found if just remark case "color", the issue resolve and performance will be good. and offcourse colors will be lost !
a-v-ebrahimi commentedon Feb 8, 2026
If I return random color in TryGetColor, this will also boost performance, a lot.