diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9b85e4ea..920903df 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,7 +8,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: '3.7'
+          python-version: '3.8'
       - name: Install requirements
         run: pip install flake8 pycodestyle
       - name: Check syntax
diff --git a/ckanext/spatial/harvesters/waf.py b/ckanext/spatial/harvesters/waf.py
index c9edf421..4ea3247f 100644
--- a/ckanext/spatial/harvesters/waf.py
+++ b/ckanext/spatial/harvesters/waf.py
@@ -235,6 +235,16 @@ def fetch_stage(self, harvest_object):
         ,adjacent=False, joinString=' ').setResultsName('date')
         )
 
+nginx   = parse.SkipTo(parse.CaselessLiteral("<a href="), include=True).suppress() \
+        + parse.quotedString.setParseAction(parse.removeQuotes).setResultsName('url') \
+        + parse.SkipTo("</a>", include=True).suppress() \
+        + parse.Optional(parse.Literal('</td><td align="right">')).suppress() \
+        + parse.Optional(parse.Combine(
+            parse.Word(parse.alphanums+'-') +
+            parse.Word(parse.alphanums+':')
+        ,adjacent=False, joinString=' ').setResultsName('date')
+        )
+
 iis =      parse.SkipTo("<br>").suppress() \
          + parse.OneOrMore("<br>").suppress() \
          + parse.Optional(parse.Combine(
@@ -252,12 +262,15 @@ def fetch_stage(self, harvest_object):
 
 
 scrapers = {'apache': parse.OneOrMore(parse.Group(apache)),
+            'nginx': parse.OneOrMore(parse.Group(nginx)),
             'other': parse.OneOrMore(parse.Group(other)),
             'iis': parse.OneOrMore(parse.Group(iis))}
 
 def _get_scraper(server):
     if not server or 'apache' in server.lower():
         return 'apache'
+    if 'nginx' in server.lower():
+        return 'nginx'
     if server == 'Microsoft-IIS/7.5':
         return 'iis'
     else:
diff --git a/ckanext/spatial/tests/test_api.py b/ckanext/spatial/tests/test_api.py
index 20d16e89..e455761a 100644
--- a/ckanext/spatial/tests/test_api.py
+++ b/ckanext/spatial/tests/test_api.py
@@ -56,6 +56,13 @@ def test_api(self, app):
         assert r.headers["Content-Type"] == "application/xml; charset=utf-8"
         assert r.body == '<?xml version="1.0" encoding="UTF-8"?>\n<xml>Content 1</xml>'
 
+        # Access human-readable view of content
+        url = "/harvest/object/{0}/html".format(object_id_1)
+        r = app.get(url, status=200)
+        assert(
+            r.headers["Content-Type"] == "text/html; charset=utf-8"
+        )
+
         # Access original content in object extra (if present)
         url = "/harvest/object/{0}/original".format(object_id_1)
         r = app.get(url, status=404)
diff --git a/ckanext/spatial/util.py b/ckanext/spatial/util.py
index ac4c039e..6a4f08aa 100644
--- a/ckanext/spatial/util.py
+++ b/ckanext/spatial/util.py
@@ -191,11 +191,11 @@ def get_harvest_object_content(id):
         return None
 
 
-def _transform_to_html(content, xslt_package=None, xslt_path=None):
+def transform_to_html(content, xslt_package=None, xslt_path=None):
 
     xslt_package = xslt_package or __name__
     xslt_path = xslt_path or \
-        '../templates/ckanext/spatial/gemini2-html-stylesheet.xsl'
+        'templates/ckanext/spatial/gemini2-html-stylesheet.xsl'
 
     # optimise -- read transform only once and compile rather
     # than at each request
diff --git a/requirements-py2.txt b/requirements-py2.txt
index 094497ad..4b01260b 100644
--- a/requirements-py2.txt
+++ b/requirements-py2.txt
@@ -7,4 +7,4 @@ argparse
 pyparsing>=2.1.10
 requests>=1.1.0
 six
-geojson==2.5.0
+geojson==2.5.0
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 565343ae..cbbadd46 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,4 @@ argparse
 pyparsing>=2.1.10
 requests>=1.1.0
 six
-geojson==2.5.0
+geojson==2.5.0
\ No newline at end of file