1 files changed, 8 insertions, 0 deletions
diff --git a/bs4/element.py b/bs4/element.py
index 370b153..09a81d9 100644
--- a/bs4/element.py
+++ b/bs4/element.py
@@ -1995,6 +1995,14 @@ class SoupStrainer(object):
         if isinstance(markup_name, Tag):
             markup = markup_name
             markup_attrs = markup
+
+        if isinstance(self.name, basestring):
+            # Optimization for a very common case where the user is
+            # searching for a tag with one specific name, and we're
+            # looking at a tag with a different name.
+            if markup and not markup.prefix and self.name != markup.name:
+                 return False
+            
         call_function_with_tag_data = (
             isinstance(self.name, Callable)
             and not isinstance(markup_name, Tag))