diff --git a/.lycheeignore b/.lycheeignore
index 2d1dc244a8..3d4a4df040 100644
--- a/.lycheeignore
+++ b/.lycheeignore
@@ -1,11 +1,8 @@
 # DEAD : legacy in various old whatsnews
 https://biggus.readthedocs.io
 
-# Intermittently unreliable?
-# https://cfconventions.org
-
-# works in browser? : used in further_topics/ugrid/data_model
-# https://doi.org/10.3390/jmse2010194
+# unkown problem, works in browser : used in further_topics/ugrid/data_model
+https://doi.org/10.3390/jmse2010194
 
 # DEAD, todo:remove, used in docs/src/userguide/plotting_a_cube.rst
 https://effbot.org
@@ -16,7 +13,7 @@ https://ibm-design-language.eu-de.mybluemix.net/design/language/resources/color-
 # DEAD, legacy in whatsnew/1.4.rst
 https://geoport.whoi.edu/thredds/dodsC/bathy/gom15
 
-# catch (at least) githuib userids, of which many in whatsnews, too many --> "too many requests" failures
+# catch (at least) github userids, of which many in whatsnews, too many --> "too many requests" failures
 https://github.com/[^/]*$
 
 # nonfunctional example, used in docs/src/developers_guide/gitwash/development_workflow.rst
@@ -28,7 +25,8 @@ https://scitools.github.com/cartopy
 # legacy ref in whatsnew/3.0.rst
 https://stickler-ci.com
 
-#https://www.flaticon.com
+# unkown problem, works in browser : used in docs/src/index.rst
+https://www.flaticon.com
 
 # DEAD, todo:remove, used in docs/src/userguide/plotting_a_cube.rst
 https://www.personal.psu.edu/cab38/ColorBrewer/ColorBrewer_updates.html
diff --git a/docs/src/userguide/glossary.rst b/docs/src/userguide/glossary.rst
index 6ab93125bd..b78bce1ea4 100644
--- a/docs/src/userguide/glossary.rst
+++ b/docs/src/userguide/glossary.rst
@@ -188,7 +188,7 @@ Glossary
 
    Standard Name
         A name describing a :term:`phenomenon`,  one from a fixed list
-        defined at `CF Standard Names <https://cfconventions.org/standard-names.html>`_.
+        defined at `CF Standard Names <https://cfconventions.org/Data/cf-standard-names/current/build/cf-standard-name-table.html>`_.
 
         | **Related:** :term:`Long Name` **|** :term:`Cube`
         | **More information:** :doc:`iris_cubes`
diff --git a/docs/src/why_iris.rst b/docs/src/why_iris.rst
index 6c9b5fb7fb..19832ce2d4 100644
--- a/docs/src/why_iris.rst
+++ b/docs/src/why_iris.rst
@@ -11,7 +11,7 @@ giving you a powerful, format-agnostic interface for working with your data.
 It excels when working with multi-dimensional Earth Science data, where tabular
 representations become unwieldy and inefficient.
 
-`CF Standard names <https://cfconventions.org/standard-names.html>`_,
+`CF Standard names <https://cfconventions.org/Data/cf-standard-names/current/build/cf-standard-name-table.html>`_,
 `units <https://github.com/SciTools/cf_units>`_, and coordinate metadata
 are built into Iris, giving you a rich and expressive interface for maintaining
 an accurate representation of your data. Its treatment of data and