diff --git a/pywb/framework/wbrequestresponse.py b/pywb/framework/wbrequestresponse.py
index da456474..a6f1908b 100644
--- a/pywb/framework/wbrequestresponse.py
+++ b/pywb/framework/wbrequestresponse.py
@@ -179,13 +179,6 @@ class WbResponse(object):
         return WbResponse(StatusAndHeaders(status, redir_headers))
 
     def __call__(self, env, start_response):
-
-        # PERF
-        perfstats = env.get('X_PERF')
-        if perfstats:
-            self.status_headers.headers.append(('X-Archive-Perf-Stats',
-                                                str(perfstats)))
-
         start_response(self.status_headers.statusline,
                        self.status_headers.headers)
 
diff --git a/pywb/rewrite/html_rewriter.py b/pywb/rewrite/html_rewriter.py
index 08b1e997..5a316016 100644
--- a/pywb/rewrite/html_rewriter.py
+++ b/pywb/rewrite/html_rewriter.py
@@ -101,12 +101,9 @@ class HTMLRewriterMixin(object):
         if not m:
             return meta_refresh
 
-        try:
-            meta_refresh = (meta_refresh[:m.start(1)] +
-                            self._rewrite_url(m.group(1)) +
-                            meta_refresh[m.end(1):])
-        except Exception:
-            pass
+        meta_refresh = (meta_refresh[:m.start(1)] +
+                        self._rewrite_url(m.group(1)) +
+                        meta_refresh[m.end(1):])
 
         return meta_refresh
     # ===========================
@@ -136,7 +133,7 @@ class HTMLRewriterMixin(object):
                 return value.lower() == attr_value.lower()
         return False
 
-    def _rewrite_tag_attrs(self, tag, tag_attrs, escape=False):
+    def _rewrite_tag_attrs(self, tag, tag_attrs):
         # special case: script or style parse context
         if ((tag in self.STATE_TAGS) and not self._wb_parse_context):
             self._wb_parse_context = tag
@@ -197,7 +194,7 @@ class HTMLRewriterMixin(object):
                                          rebase_rewriter(attr_value))
 
             # write the attr!
-            self._write_attr(attr_name, attr_value, escape=escape)
+            self._write_attr(attr_name, attr_value)
 
         return True
 
@@ -217,12 +214,10 @@ class HTMLRewriterMixin(object):
 
         return True
 
-    def _write_attr(self, name, value, escape=False):
+    def _write_attr(self, name, value):
         # parser doesn't differentiate between 'attr=""' and just 'attr'
         # 'attr=""' is more common, so use that form
         if value:
-            if escape:
-                value = cgi.escape(value, quote=True)
             self.out.write(' ' + name + '="' + value + '"')
         else:
             self.out.write(' ' + name + '=""')
@@ -259,8 +254,8 @@ class HTMLRewriterMixin(object):
 
         return result
 
-    def _internal_close(self):
-        pass
+    def _internal_close(self):  # pragma: no cover
+        raise NotImplementedError('Base method')
 
 
 #=================================================================
@@ -272,7 +267,8 @@ class HTMLRewriter(HTMLRewriterMixin, HTMLParser):
     def feed(self, string):
         try:
             HTMLParser.feed(self, string)
-        except HTMLParseError:
+        except HTMLParseError:  # pragma: no cover
+            # only raised in 2.6
             self.out.write(string)
 
     def _internal_close(self):
@@ -283,7 +279,8 @@ class HTMLRewriter(HTMLRewriterMixin, HTMLParser):
 
         try:
             HTMLParser.close(self)
-        except HTMLParseError:
+        except HTMLParseError:  # pragma: no cover
+            # only raised in 2.6
             pass
 
     # called to unescape attrs -- do not unescape!
diff --git a/pywb/rewrite/rewrite_content.py b/pywb/rewrite/rewrite_content.py
index 021f76b6..2225bbaf 100644
--- a/pywb/rewrite/rewrite_content.py
+++ b/pywb/rewrite/rewrite_content.py
@@ -58,10 +58,12 @@ class RewriteContent:
 
         return (rewritten_headers, stream)
 
-    def rewrite_content(self, wb_url, urlrewriter, headers, stream,
+    def rewrite_content(self, urlrewriter, headers, stream,
                         head_insert_func=None, urlkey='',
                         cdx=None):
 
+        wb_url = urlrewriter.wburl
+
         if (wb_url.is_identity or
             (not head_insert_func and wb_url.is_banner_only)):
             status_headers, stream = self.sanitize_content(headers, stream)
@@ -109,16 +111,6 @@ class RewriteContent:
             else:
                 stream = DecompressingBufferedReader(stream)
 
-        #if self.decode_stream:
-        #    if rewritten_headers.charset:
-        #        encoding = rewritten_headers.charset
-        #    else:
-        #        (encoding, first_buff) = self._detect_charset(stream)
-
-            # if encoding not set or chardet thinks its ascii, use utf-8
-        #    if not encoding or encoding == 'ascii':
-        #        encoding = 'utf-8'
-
         rule = self.ruleset.get_first_match(urlkey)
 
         rewriter_class = rule.rewriters[text_type]
@@ -149,8 +141,11 @@ class RewriteContent:
             rewriter = rewriter_class(urlrewriter)
 
         # Create rewriting generator
-        gen = self._rewriting_stream_gen(rewriter, encoding,
-                                         stream, first_buff)
+        gen =  self.stream_to_gen(stream,
+                                  rewrite_func=rewriter.rewrite,
+                                  final_read_func=rewriter.close,
+                                  first_buff=first_buff)
+
 
         return (status_headers, gen, True)
 
@@ -179,32 +174,6 @@ class RewriteContent:
         for buff in self.stream_to_gen(stream):
             yield buff
 
-
-    # Create rewrite stream,  may even be chunked by front-end
-    def _rewriting_stream_gen(self, rewriter, encoding,
-                              stream, first_buff=None):
-
-        def do_rewrite(buff):
-            if encoding:
-                buff = self._decode_buff(buff, stream, encoding)
-            buff = rewriter.rewrite(buff)
-            if encoding:
-                buff = buff.encode(encoding)
-
-            return buff
-
-        def do_finish():
-            result = rewriter.close()
-            if encoding:
-                result = result.encode(encoding)
-
-            return result
-
-        return self.stream_to_gen(stream,
-                                  rewrite_func=do_rewrite,
-                                  final_read_func=do_finish,
-                                  first_buff=first_buff)
-
     @staticmethod
     def _decode_buff(buff, stream, encoding):  # pragma: no coverage
         try:
@@ -223,26 +192,6 @@ class RewriteContent:
 
         return buff
 
-    def _detect_charset(self, stream):  # pragma: no coverage
-        full_buff = stream.read(8192)
-        io_buff = BytesIO(full_buff)
-
-        detector = UniversalDetector()
-
-        try:
-            buff = io_buff.read(256)
-            while buff:
-                detector.feed(buff)
-                if detector.done:
-                    break
-
-                buff = io_buff.read(256)
-        finally:
-            detector.close()
-
-        print "chardet result: ", str(detector.result)
-        return (detector.result['encoding'], full_buff)
-
     # Create a generator reading from a stream,
     # with optional rewriting and final read call
     @staticmethod
diff --git a/pywb/rewrite/rewrite_live.py b/pywb/rewrite/rewrite_live.py
index cbd3f106..be891498 100644
--- a/pywb/rewrite/rewrite_live.py
+++ b/pywb/rewrite/rewrite_live.py
@@ -9,7 +9,7 @@ import logging
 
 from urlparse import urlsplit
 
-from pywb.utils.loaders import is_http, LimitReader
+from pywb.utils.loaders import is_http, LimitReader, BlockLoader
 from pywb.utils.timeutils import datetime_to_timestamp
 from pywb.utils.statusandheaders import StatusAndHeaders
 from pywb.utils.canonicalize import canonicalize
@@ -30,7 +30,8 @@ class LiveRewriter(object):
             logging.debug('Live Rewrite Direct (no proxy)')
 
     def fetch_local_file(self, uri):
-        fh = open(uri)
+        #fh = open(uri)
+        fh = BlockLoader().load_file_or_resource(uri)
 
         content_type, _ = mimetypes.guess_type(uri)
 
@@ -118,7 +119,7 @@ class LiveRewriter(object):
 
         return (status_headers, stream)
 
-    def fetch_request(self, wb_url, urlrewriter,
+    def fetch_request(self, url, urlrewriter,
                       head_insert_func=None,
                       urlkey=None,
                       env=None,
@@ -127,15 +128,11 @@ class LiveRewriter(object):
                       follow_redirects=False,
                       proxies=None):
 
-        if isinstance(wb_url, str):
-            url = wb_url
-            wb_url = WbUrl(url)
-        else:
-            url = wb_url.url
-
         ts_err = url.split('///')
 
-        if len(ts_err) > 1:
+        # fixup for accidental erroneous rewrite which has ///
+        # (unless file:///)
+        if len(ts_err) > 1 and ts_err[0] != 'file:':
             url = 'http://' + ts_err[1]
 
         if url.startswith('//'):
@@ -164,8 +161,7 @@ class LiveRewriter(object):
               }
 
         result = (self.rewriter.
-                  rewrite_content(wb_url,
-                                  urlrewriter,
+                  rewrite_content(urlrewriter,
                                   status_headers,
                                   stream,
                                   head_insert_func=head_insert_func,
diff --git a/pywb/rewrite/test/test_html_rewriter.py b/pywb/rewrite/test/test_html_rewriter.py
index ae9b24e2..9ea8edc0 100644
--- a/pywb/rewrite/test/test_html_rewriter.py
+++ b/pywb/rewrite/test/test_html_rewriter.py
@@ -99,6 +99,7 @@ ur"""
 >>> parse('<link href="abc.txt"><div>SomeTest</div>', head_insert = '<script>load_stuff();</script>')
 <link href="/web/20131226101010oe_/http://example.com/some/path/abc.txt"><script>load_stuff();</script><div>SomeTest</div>
 
+# doctype
 >>> parse('<!doctype html PUBLIC "public">')
 <!doctype html PUBLIC "public">
 
diff --git a/pywb/rewrite/test/test_rewrite_live.py b/pywb/rewrite/test/test_rewrite_live.py
index 24f76da1..fcb51ea3 100644
--- a/pywb/rewrite/test/test_rewrite_live.py
+++ b/pywb/rewrite/test/test_rewrite_live.py
@@ -1,5 +1,6 @@
 from pywb.rewrite.rewrite_live import LiveRewriter
 from pywb.rewrite.url_rewriter import UrlRewriter
+from pywb.rewrite.wburl import WbUrl
 
 from pywb import get_test_dir
 
@@ -9,6 +10,7 @@ from io import BytesIO
 # As such, the content may change and the test may break
 
 urlrewriter = UrlRewriter('20131226101010/http://example.com/some/path/index.html', '/pywb/')
+bn_urlrewriter = UrlRewriter('20131226101010bn_/http://example.com/some/path/index.html', '/pywb/')
 
 def head_insert_func(rule, cdx):
     if rule.js_rewrite_location == True:
@@ -33,6 +35,51 @@ def test_local_1():
     assert '"/pywb/20131226101010/http://example.com/some/path/another.html"' in buff
 
 
+def test_local_no_head():
+    status_headers, buff = get_rewritten(get_test_dir() + 'text_content/sample_no_head.html',
+                                         urlrewriter,
+                                         head_insert_func,
+                                         'com,example,test)/')
+
+    # wombat insert added
+    assert '<script src="/static/default/wombat.js"> </script>' in buff
+
+    # location rewritten
+    assert 'window.WB_wombat_location = "/other.html"' in buff
+
+    # link rewritten
+    assert '"/pywb/20131226101010/http://example.com/some/path/another.html"' in buff
+
+def test_local_no_head_banner_only():
+    status_headers, buff = get_rewritten(get_test_dir() + 'text_content/sample_no_head.html',
+                                         bn_urlrewriter,
+                                         head_insert_func,
+                                         'com,example,test)/')
+
+    # wombat insert added
+    assert '<script src="/static/default/wombat.js"> </script>' in buff
+
+    # location NOT rewritten
+    assert 'window.location = "/other.html"' in buff
+
+    # link NOT rewritten
+    assert '"another.html"' in buff
+
+def test_local_banner_only():
+    status_headers, buff = get_rewritten(get_test_dir() + 'text_content/sample.html',
+                                         bn_urlrewriter,
+                                         head_insert_func,
+                                         'com,example,test)/')
+
+    # wombat insert added
+    assert '<head><script src="/static/default/wombat.js"> </script>' in buff
+
+    # location NOT rewritten
+    assert 'window.location = "/other.html"' in buff
+
+    # link NOT rewritten
+    assert '"another.html"' in buff
+
 def test_local_2_no_js_location_rewrite():
     status_headers, buff = get_rewritten(get_test_dir() + 'text_content/sample.html',
                                          urlrewriter,
@@ -76,8 +123,7 @@ def test_example_4_rewrite_err():
     assert status_headers.get_statuscode() == '200'
 
 def test_example_domain_specific_3():
-    urlrewriter2 = UrlRewriter('20131226101010/http://example.com/some/path/index.html', '/pywb/')
-    status_headers, buff = get_rewritten('http://facebook.com/digitalpreservation', urlrewriter2, follow_redirects=True)
+    status_headers, buff = get_rewritten('http://facebook.com/digitalpreservation', urlrewriter, follow_redirects=True)
 
     # comment out bootloader
     assert '/* Bootloader.configurePage' in buff
diff --git a/pywb/rewrite/test/test_url_rewriter.py b/pywb/rewrite/test/test_url_rewriter.py
index a4173d3a..73340c95 100644
--- a/pywb/rewrite/test/test_url_rewriter.py
+++ b/pywb/rewrite/test/test_url_rewriter.py
@@ -65,6 +65,9 @@
 >>> do_rewrite('mailto:example@example.com', '20131010/http://example.com/path/page.html', 'https://web.archive.org/web/')
 'mailto:example@example.com'
 
+>>> do_rewrite('file:///some/path/', '20131010/http://example.com/path/page.html', 'https://web.archive.org/web/')
+'file:///some/path/'
+
 >>> UrlRewriter('19960708im_/http://domain.example.com/path.txt', '/abc/').get_abs_url()
 '/abc/19960708im_/'
 
@@ -73,10 +76,10 @@
 
 
 # HttpsUrlRewriter tests
->>> HttpsUrlRewriter(None, None).rewrite('https://example.com/abc')
+>>> HttpsUrlRewriter('http://example.com/', None).rewrite('https://example.com/abc')
 'http://example.com/abc'
 
->>> HttpsUrlRewriter(None, None).rewrite('http://example.com/abc')
+>>> HttpsUrlRewriter('http://example.com/', None).rewrite('http://example.com/abc')
 'http://example.com/abc'
 
 """
diff --git a/pywb/rewrite/url_rewriter.py b/pywb/rewrite/url_rewriter.py
index 2679b4dc..c89e9a21 100644
--- a/pywb/rewrite/url_rewriter.py
+++ b/pywb/rewrite/url_rewriter.py
@@ -13,7 +13,8 @@ class UrlRewriter(object):
     instance and an optional full path prefix
     """
 
-    NO_REWRITE_URI_PREFIX = ['#', 'javascript:', 'data:', 'mailto:', 'about:']
+    NO_REWRITE_URI_PREFIX = ['#', 'javascript:', 'data:',
+                             'mailto:', 'about:', 'file:']
 
     PROTOCOLS = ['http:', 'https:', 'ftp:', 'mms:', 'rtsp:', 'wais:']
 
@@ -125,7 +126,7 @@ class UrlRewriter(object):
 
 
 #=================================================================
-class HttpsUrlRewriter(object):
+class HttpsUrlRewriter(UrlRewriter):
     """
     A url rewriter which urls that start with https:// to http://
     Other urls/input is unchanged.
@@ -134,9 +135,6 @@ class HttpsUrlRewriter(object):
     HTTP = 'http://'
     HTTPS = 'https://'
 
-    def __init__(self, wburl, prefix, full_prefix=None):
-        pass
-
     def rewrite(self, url, mod=None):
         if url.startswith(self.HTTPS):
             result = self.HTTP + url[len(self.HTTPS):]
diff --git a/pywb/ui/query.html b/pywb/ui/query.html
index c78e1b49..2d1f5c86 100644
--- a/pywb/ui/query.html
+++ b/pywb/ui/query.html
@@ -1,3 +1,28 @@
+<html>
+<head>
+<script>
+function ts_to_date(ts, is_gmt)
+{
+    if (ts.length < 14) {
+        return ts;
+    }
+    
+    var datestr = (ts.substring(0, 4) + "-" + 
+                  ts.substring(4, 6) + "-" +
+                  ts.substring(6, 8) + "T" +
+                  ts.substring(8, 10) + ":" +
+                  ts.substring(10, 12) + ":" +
+                  ts.substring(12, 14) + "-00:00");
+    
+    var date = new Date(datestr);
+    if (is_gmt) {
+        return date.toGMTString();
+    } else {
+        return date.toLocaleString();
+    }
+}
+</script>
+</head>
 <body>
   <h2>pywb Sample Calendar Results</h2>
   <b>{{ cdx_lines | length }}</b> captures of <b>{{ url }}</b>
@@ -10,7 +35,9 @@
     </tr>
     {% for cdx in cdx_lines  %}
     <tr style="{{ 'font-weight: bold' if cdx['mimetype'] != 'warc/revisit' else '' }}">
-      <td><a href="{{ prefix }}{{ cdx.timestamp }}/{{ cdx.original }}">{{ cdx['timestamp'] | format_ts}}</a></td>
+      <td><a href="{{ prefix }}{{ cdx.timestamp }}/{{ cdx.original }}">
+      <script>document.write(ts_to_date("{{ cdx['timestamp']}}", true))</script>
+      </a></td>
       <td>{{ cdx['statuscode'] }}</td>
       <td>{{ cdx['original'] }}</td>
       <td>{{ cdx['filename'] }}</td>
@@ -21,3 +48,4 @@
   <i><b>* Unique captures are bold.</b> Other captures are duplicates of a previous capture.</i>
   </p>
 </body>
+</html>
diff --git a/pywb/utils/loaders.py b/pywb/utils/loaders.py
index 6b383493..107379a2 100644
--- a/pywb/utils/loaders.py
+++ b/pywb/utils/loaders.py
@@ -96,7 +96,7 @@ class BlockLoader(object):
         else:
             return self.load_file_or_resource(url, offset, length)
 
-    def load_file_or_resource(self, url, offset, length):
+    def load_file_or_resource(self, url, offset=0, length=-1):
         """
         Load a file-like reader from the local file system
         """
diff --git a/pywb/utils/test/test_loaders.py b/pywb/utils/test/test_loaders.py
index b64f2419..322b9169 100644
--- a/pywb/utils/test/test_loaders.py
+++ b/pywb/utils/test/test_loaders.py
@@ -1,5 +1,5 @@
 #=================================================================
-"""
+r"""
 # LimitReader Tests
 >>> LimitReader(BytesIO('abcdefghjiklmnopqrstuvwxyz'), 10).read(26)
 'abcdefghji'
@@ -32,10 +32,14 @@ True
 >>> BlockLoader(HMACCookieMaker('test', 'test', 5)).load('http://example.com', 41, 14).read()
 'Example Domain'
 
-# fixed cookie
+# fixed cookie, range request
 >>> BlockLoader('some=value').load('http://example.com', 41, 14).read()
 'Example Domain'
 
+# range request
+>>> BlockLoader().load('http://example.com', 1262).read()
+'</html>\n'
+
 # test with extra id, ensure 4 parts of the A-B=C-D form are present
 >>> len(re.split('[-=]', HMACCookieMaker('test', 'test', 5).make('extra')))
 4
diff --git a/pywb/webapp/live_rewrite_handler.py b/pywb/webapp/live_rewrite_handler.py
index a1b602d4..cb279beb 100644
--- a/pywb/webapp/live_rewrite_handler.py
+++ b/pywb/webapp/live_rewrite_handler.py
@@ -38,6 +38,10 @@ class RewriteHandler(SearchPageWbUrlHandler):
             return self.render_content(wbrequest)
 
         except Exception as exc:
+            import traceback
+            err_details = traceback.format_exc(exc)
+            print err_details
+
             url = wbrequest.wb_url.url
             msg = 'Could not load the url from the live web: ' + url
             raise LiveResourceException(msg=msg, url=url)
@@ -53,8 +57,8 @@ class RewriteHandler(SearchPageWbUrlHandler):
         if ref_wburl_str:
             wbrequest.env['REL_REFERER'] = WbUrl(ref_wburl_str).url
 
-        wb_url = wbrequest.wb_url
-        result = self.rewriter.fetch_request(wb_url, wbrequest.urlrewriter,
+        result = self.rewriter.fetch_request(wbrequest.wb_url.url,
+                                             wbrequest.urlrewriter,
                                              head_insert_func=head_insert_func,
                                              req_headers=req_headers,
                                              env=wbrequest.env)
diff --git a/pywb/webapp/replay_views.py b/pywb/webapp/replay_views.py
index 5002a18d..9f32ad5d 100644
--- a/pywb/webapp/replay_views.py
+++ b/pywb/webapp/replay_views.py
@@ -130,8 +130,7 @@ class ReplayView(object):
                                 create_insert_func(wbrequest))
 
         result = (self.content_rewriter.
-                  rewrite_content(wbrequest.wb_url,
-                                  urlrewriter,
+                  rewrite_content(urlrewriter,
                                   headers=status_headers,
                                   stream=stream,
                                   head_insert_func=head_insert_func,
diff --git a/sample_archive/text_content/sample_no_head.html b/sample_archive/text_content/sample_no_head.html
new file mode 100644
index 00000000..ed4bc4f3
--- /dev/null
+++ b/sample_archive/text_content/sample_no_head.html
@@ -0,0 +1,8 @@
+<script>
+var some_val = false;
+if (some_val) {
+    window.location = "/other.html";
+}
+</script>
+Test Content
+<a href="another.html">Some Link</a>
diff --git a/tests/test_integration.py b/tests/test_integration.py
index 5723425e..67bf698b 100644
--- a/tests/test_integration.py
+++ b/tests/test_integration.py
@@ -301,6 +301,11 @@ class TestWb:
         assert resp.status_int == 200
         assert '"data": "^"' in resp.body
 
+    def test_post_invalid(self):
+        # not json
+        resp = self.testapp.post_json('/pywb/20140610001255mp_/http://httpbin.org/post?foo=bar', {'data': '^'}, status=404)
+        assert resp.status_int == 404
+
     def test_post_redirect(self):
         # post handled without redirect (since 307 not allowed)
         resp = self.testapp.post('/post', {'foo': 'bar', 'test': 'abc'}, headers=[('Referer', 'http://localhost:8080/pywb/2014mp_/http://httpbin.org/post')])
@@ -308,7 +313,6 @@ class TestWb:
         assert '"foo": "bar"' in resp.body
         assert '"test": "abc"' in resp.body
 
-
     def test_excluded_content(self):
         resp = self.testapp.get('/pywb/mp_/http://www.iana.org/_img/bookmark_icon.ico', status = 403)
         assert resp.status_int == 403
diff --git a/tests/test_live_rewriter.py b/tests/test_live_rewriter.py
index 5ce19414..331eaa69 100644
--- a/tests/test_live_rewriter.py
+++ b/tests/test_live_rewriter.py
@@ -17,6 +17,13 @@ class TestLiveRewriter:
         resp = self.testapp.get('/rewrite/mp_/http://facebook.com/')
         assert resp.status_int == 301
 
+    def test_live_rewrite_post(self):
+        resp = self.testapp.post('/rewrite/mp_/httpbin.org/post', {'foo': 'bar', 'test': 'abc'})
+        assert resp.status_int == 200
+        assert '"foo": "bar"' in resp.body
+        assert '"test": "abc"' in resp.body
+        assert resp.status_int == 200
+
     def test_live_rewrite_frame(self):
         resp = self.testapp.get('/rewrite/http://example.com/')
         assert resp.status_int == 200