diff --git a/aspen/algorithms/website.py b/aspen/algorithms/website.py
index 17da57958..9622e4d0d 100644
--- a/aspen/algorithms/website.py
+++ b/aspen/algorithms/website.py
@@ -54,27 +54,22 @@ def parse_body_into_request(request, website):
                                                             )
 
 
-def tack_website_onto_request(request, website):
-    # XXX Why?
-    request.website = website
-
-
 def raise_200_for_OPTIONS(request):
     """A hook to return 200 to an 'OPTIONS *' request"""
     if request.line.method == "OPTIONS" and request.line.uri == "*":
         raise Response(200)
 
 
-def dispatch_request_to_filesystem(request):
-    dispatcher.dispatch(request)
+def dispatch_request_to_filesystem(website, request):
+    dispatcher.dispatch(website, request)
 
 
 def apply_typecasters_to_path(website, request):
     typecasting.apply_typecasters(website.typecasters, request.line.uri.path)
 
 
-def get_resource_for_request(request):
-    return {'resource': resources.get(request)}
+def get_resource_for_request(website, request):
+    return {'resource': resources.get(website, request)}
 
 
 def get_response_for_resource(request, resource=None):
@@ -116,7 +111,7 @@ def delegate_error_to_simplate(website, request, response, resource=None):
         if resource is not None:
             # Try to return an error that matches the type of the original resource.
             request.headers['Accept'] = resource.media_type + ', text/plain; q=0.1'
-        resource = resources.get(request)
+        resource = resources.get(website, request)
         try:
             response = resource.respond(request, response)
         except Response as response:
diff --git a/aspen/dispatcher.py b/aspen/dispatcher.py
index ea547a23d..e57f89130 100644
--- a/aspen/dispatcher.py
+++ b/aspen/dispatcher.py
@@ -219,15 +219,15 @@ def is_first_index(indices, basedir, name):
     return False
 
 
-def update_neg_type(request, filename):
+def update_neg_type(website, request, filename):
     media_type = mimetypes.guess_type(filename, strict=False)[0]
     if media_type is None:
-        media_type = request.website.media_type_default
+        media_type = website.media_type_default
     request.headers['X-Aspen-Accept'] = media_type
     debug(lambda: "set x-aspen-accept to %r" % media_type)
 
 
-def dispatch(request, pure_dispatch=False):
+def dispatch(website, request, pure_dispatch=False):
     """Concretize dispatch_abstract.
 
     This is all side-effecty on the request object, setting, at the least,
@@ -245,9 +245,9 @@ def dispatch(request, pure_dispatch=False):
     listnodes = os.listdir
     is_leaf = os.path.isfile
     traverse = os.path.join
-    find_index = lambda x: match_index(request.website.indices, x)
-    noext_matched = lambda x: update_neg_type(request, x)
-    startdir = request.website.www_root
+    find_index = lambda x: match_index(website.indices, x)
+    noext_matched = lambda x: update_neg_type(website, request, x)
+    startdir = website.www_root
 
     # Dispatch!
     # =========
@@ -266,10 +266,10 @@ def dispatch(request, pure_dispatch=False):
     if result.match:
         debug(lambda: "result.match is true" )
         matchbase, matchname = result.match.rsplit(os.path.sep,1)
-        if pathparts[-1] != '' and matchname in request.website.indices and \
-                is_first_index(request.website.indices, matchbase, matchname):
+        if pathparts[-1] != '' and matchname in website.indices and \
+                is_first_index(website.indices, matchbase, matchname):
             # asked for something that maps to a default index file; redirect to / per issue #175
-            debug(lambda: "found default index '%s' maps into %r" % (pathparts[-1], request.website.indices))
+            debug(lambda: "found default index '%s' maps into %r" % (pathparts[-1], website.indices))
             uri = request.line.uri
             location = uri.path.raw[:-len(pathparts[-1])]
             if uri.querystring.raw:
@@ -285,7 +285,7 @@ def dispatch(request, pure_dispatch=False):
         if request.line.uri.path.raw == '/favicon.ico':
             if result.status != DispatchStatus.okay:
                 path = request.line.uri.path.raw[1:]
-                request.fs = request.website.find_ours(path)
+                request.fs = website.find_ours(path)
                 return
 
 
@@ -305,9 +305,9 @@ def dispatch(request, pure_dispatch=False):
 
     if result.status == DispatchStatus.okay:
         if result.match.endswith('/'):              # autoindex
-            if not request.website.list_directories:
+            if not website.list_directories:
                 raise Response(404)
-            autoindex = request.website.ours_or_theirs('autoindex.html.spt')
+            autoindex = website.ours_or_theirs('autoindex.html.spt')
             assert autoindex is not None # sanity check
             request.headers['X-Aspen-AutoIndexDir'] = result.match
             request.fs = autoindex
diff --git a/aspen/resources/__init__.py b/aspen/resources/__init__.py
index 7f7e2b16b..4be3aecad 100644
--- a/aspen/resources/__init__.py
+++ b/aspen/resources/__init__.py
@@ -113,7 +113,7 @@ def get_declaration(line):
 # Core loaders
 # ============
 
-def load(request, mtime):
+def load(website, request, mtime):
     """Given a Request and a mtime, return a Resource object (w/o caching).
     """
 
@@ -139,7 +139,7 @@ def load(request, mtime):
         guess_with = guess_with[:-4]
     fs_media_type = mimetypes.guess_type(guess_with, strict=False)[0]
     if fs_media_type is None:
-        media_type = request.website.media_type_default
+        media_type = website.media_type_default
     else:
         media_type = fs_media_type
 
@@ -154,14 +154,15 @@ def load(request, mtime):
     else:                                           # negotiated
         Class = NegotiatedResource
 
-    resource = Class(request.website, request.fs, raw, media_type, mtime)
+    resource = Class(website, request.fs, raw, media_type, mtime)
     return resource
 
 
-def get(request):
+def get(website, request):
     """Given a Request, return a Resource object (with caching).
 
-    We need the request because it carries media_type_default.
+    We need the request to pass through to the Resource constructor. That's
+    where it's placed into the simplate execution context.
 
     """
 
@@ -188,7 +189,7 @@ def get(request):
             raise entry.exc
     else:  # cache miss
         try:
-            entry.resource = load(request, mtime)
+            entry.resource = load(website, request, mtime)
         except:  # capture any Exception
             entry.exc = (LoadError(traceback.format_exc())
                         , sys.exc_info()[2]
diff --git a/aspen/www/autoindex.html.spt b/aspen/www/autoindex.html.spt
index d99ee4d2a..232316a81 100644
--- a/aspen/www/autoindex.html.spt
+++ b/aspen/www/autoindex.html.spt
@@ -56,7 +56,7 @@ def _get_time(stats):
 fspath = request.headers.get('X-Aspen-AutoIndexDir', os.path.dirname(__file__))
 assert os.path.isdir(fspath) # sanity check
 
-urlpath = fspath[len(request.website.www_root):] + os.sep
+urlpath = fspath[len(website.www_root):] + os.sep
 urlpath = '/'.join(urlpath.split(os.sep))
 title = urlpath and urlpath or '/'
 
@@ -90,7 +90,7 @@ dirs.sort()
 files.sort()
 others.sort()
 
-updir = "" if fspath == request.website.www_root else """
+updir = "" if fspath == website.www_root else """
             <tr>
                 <td class="odd"><a href="../">../</a></td>
                 <td>&nbsp;</td>
diff --git a/aspen/www/error.spt b/aspen/www/error.spt
index b0bc90cc1..f9507bc5e 100644
--- a/aspen/www/error.spt
+++ b/aspen/www/error.spt
@@ -23,7 +23,7 @@ except ImportError:
 style = ''
 msg = status_strings.get(response.code, 'Sorry')
 msg = msg[0].upper() + msg[1:].lower()
-if request.website.show_tracebacks:
+if website.show_tracebacks:
     err_ascii = response.body
     if pygmentize:
         # Pygments does HTML escaping
diff --git a/doc/.aspen/aspen_io.py b/doc/.aspen/aspen_io.py
index fa769e140..0c41de9aa 100644
--- a/doc/.aspen/aspen_io.py
+++ b/doc/.aspen/aspen_io.py
@@ -6,14 +6,14 @@
 opts = {} # populate this in configure-aspen.py
 
 
-def add_stuff_to_request_context(request):
+def add_stuff_to_request_context(website, request):
 
     # Define some closures for generating image markup.
     # =================================================
 
     def translate(src):
         if src[0] != '/':
-            rel = dirname(request.fs)[len(request.website.www_root):]
+            rel = dirname(request.fs)[len(website.www_root):]
             src = '/'.join([rel, src])
         src = opts['base'] + src
         return src
diff --git a/tests/test_negotiated_resource.py b/tests/test_negotiated_resource.py
index f87912683..88c9e742e 100644
--- a/tests/test_negotiated_resource.py
+++ b/tests/test_negotiated_resource.py
@@ -110,11 +110,11 @@ def test_get_renderer_factory_can_raise_syntax_error(get):
 
 # get_response
 
-def get_response(request, response):
+def get_response(website, request, response):
     context = { 'request': request
               , 'response': response
                }
-    resource = resources.load(request, 0)
+    resource = resources.load(website, request, 0)
     return resource.get_response(context)
 
 NEGOTIATED_RESOURCE = """\
@@ -129,19 +129,19 @@ def test_get_response_gets_response(harness):
     harness.fs.www.mk(('index.spt', NEGOTIATED_RESOURCE))
     response = Response()
     request = harness.make_request(filepath='index.spt', contents=NEGOTIATED_RESOURCE)
-    actual = get_response(request, response)
+    actual = get_response(harness.client.website, request, response)
     assert actual is response
 
 def test_get_response_is_happy_not_to_negotiate(harness):
     harness.fs.www.mk(('index.spt', NEGOTIATED_RESOURCE))
     request = harness.make_request(filepath='index.spt', contents=NEGOTIATED_RESOURCE)
-    actual = get_response(request, Response()).body
+    actual = get_response(harness.client.website, request, Response()).body
     assert actual == "Greetings, program!\n"
 
 def test_get_response_sets_content_type_when_it_doesnt_negotiate(harness):
     harness.fs.www.mk(('index.spt', NEGOTIATED_RESOURCE))
     request = harness.make_request(filepath='index.spt', contents=NEGOTIATED_RESOURCE)
-    actual = get_response(request, Response()).headers['Content-Type']
+    actual = get_response(harness.client.website, request, Response()).headers['Content-Type']
     assert actual == "text/plain; charset=UTF-8"
 
 def test_get_response_doesnt_reset_content_type_when_not_negotiating(harness):
@@ -149,14 +149,14 @@ def test_get_response_doesnt_reset_content_type_when_not_negotiating(harness):
     request = harness.make_request(filepath='index.spt', contents=NEGOTIATED_RESOURCE)
     response = Response()
     response.headers['Content-Type'] = 'never/mind'
-    actual = get_response(request, response).headers['Content-Type']
+    actual = get_response(harness.client.website, request, response).headers['Content-Type']
     assert actual == "never/mind"
 
 def test_get_response_negotiates(harness):
     harness.fs.www.mk(('index.spt', NEGOTIATED_RESOURCE))
     request = harness.make_request(filepath='index.spt', contents=NEGOTIATED_RESOURCE)
     request.headers['Accept'] = 'text/html'
-    actual = get_response(request, Response()).body
+    actual = get_response(harness.client.website, request, Response()).body
     assert actual == "<h1>Greetings, program!</h1>\n"
 
 def test_handles_busted_accept(harness):
@@ -164,14 +164,14 @@ def test_handles_busted_accept(harness):
     request = harness.make_request(filepath='index.spt', contents=NEGOTIATED_RESOURCE)
     # Set an invalid Accept header so it will return default (text/plain)
     request.headers['Accept'] = 'text/html;'
-    actual = get_response(request, Response()).body
+    actual = get_response(harness.client.website, request, Response()).body
     assert actual == "Greetings, program!\n"
 
 def test_get_response_sets_content_type_when_it_negotiates(harness):
     harness.fs.www.mk(('index.spt', NEGOTIATED_RESOURCE))
     request = harness.make_request(filepath='index.spt', contents=NEGOTIATED_RESOURCE)
     request.headers['Accept'] = 'text/html'
-    actual = get_response(request, Response()).headers['Content-Type']
+    actual = get_response(harness.client.website, request, Response()).headers['Content-Type']
     assert actual == "text/html; charset=UTF-8"
 
 def test_get_response_doesnt_reset_content_type_when_negotiating(harness):
@@ -180,24 +180,24 @@ def test_get_response_doesnt_reset_content_type_when_negotiating(harness):
     request.headers['Accept'] = 'text/html'
     response = Response()
     response.headers['Content-Type'] = 'never/mind'
-    actual = get_response(request, response).headers['Content-Type']
+    actual = get_response(harness.client.website, request, response).headers['Content-Type']
     response = Response()
     response.headers['Content-Type'] = 'never/mind'
-    actual = get_response(request, response).headers['Content-Type']
+    actual = get_response(harness.client.website, request, response).headers['Content-Type']
     assert actual == "never/mind"
 
 def test_get_response_raises_406_if_need_be(harness):
     harness.fs.www.mk(('index.spt', NEGOTIATED_RESOURCE))
     request = harness.make_request(filepath='index.spt', contents=NEGOTIATED_RESOURCE)
     request.headers['Accept'] = 'cheese/head'
-    actual = raises(Response, get_response, request, Response()).value.code
+    actual = raises(Response, get_response, harness.client.website, request, Response()).value.code
     assert actual == 406
 
 def test_get_response_406_gives_list_of_acceptable_types(harness):
     harness.fs.www.mk(('index.spt', NEGOTIATED_RESOURCE))
     request = harness.make_request(filepath='index.spt', contents=NEGOTIATED_RESOURCE)
     request.headers['Accept'] = 'cheese/head'
-    actual = raises(Response, get_response, request, Response()).value.body
+    actual = raises(Response, get_response, harness.client.website, request, Response()).value.body
     expected = "The following media types are available: text/plain, text/html."
     assert actual == expected
 
@@ -223,14 +223,14 @@ def test_can_override_default_renderers_by_mimetype(harness):
     harness.fs.www.mk(('index.spt', NEGOTIATED_RESOURCE),)
     request = harness.make_request(filepath='index.spt', contents=NEGOTIATED_RESOURCE)
     request.headers['Accept'] = 'text/plain'
-    actual = get_response(request, Response()).body
+    actual = get_response(harness.client.website, request, Response()).body
     assert actual == "glubber"
 
 def test_can_override_default_renderer_entirely(harness):
     harness.fs.project.mk(('configure-aspen.py', OVERRIDE_SIMPLATE))
     request = harness.make_request(filepath='index.spt', contents=NEGOTIATED_RESOURCE)
     request.headers['Accept'] = 'text/plain'
-    actual = get_response(request, Response()).body
+    actual = get_response(harness.client.website, request, Response()).body
     assert actual == "glubber"