diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines
index 94d4d869039..81afc0b8df3 100644
--- a/Documentation/CodingGuidelines
+++ b/Documentation/CodingGuidelines
@@ -518,7 +518,7 @@ For Perl programs:
 
 For Python scripts:
 
- - We follow PEP-8 (http://www.python.org/dev/peps/pep-0008/).
+ - We follow PEP-8 (https://peps.python.org/pep-0008/).
 
  - As a minimum, we aim to be compatible with Python 2.7.
 
diff --git a/Documentation/RelNotes/1.6.2.txt b/Documentation/RelNotes/1.6.2.txt
index 980adfb3154..166d73c60fb 100644
--- a/Documentation/RelNotes/1.6.2.txt
+++ b/Documentation/RelNotes/1.6.2.txt
@@ -10,7 +10,7 @@ To ease the transition plan, the receiving repository of such a
 push running this release will issue a big warning when the
 configuration variable is missing.  Please refer to:
 
-  http://git.or.cz/gitwiki/GitFaq#non-bare
+  https://archive.kernel.org/oldwiki/git.wiki.kernel.org/index.php/GitFaq.html#non-bare
   https://lore.kernel.org/git/7vbptlsuyv.fsf@gitster.siamese.dyndns.org/
 
 for more details on the reason why this change is needed and the
diff --git a/Documentation/RelNotes/1.6.3.txt b/Documentation/RelNotes/1.6.3.txt
index 4bcff945e01..bbf177fc3c5 100644
--- a/Documentation/RelNotes/1.6.3.txt
+++ b/Documentation/RelNotes/1.6.3.txt
@@ -10,7 +10,7 @@ To ease the transition plan, the receiving repository of such a
 push running this release will issue a big warning when the
 configuration variable is missing.  Please refer to:
 
-  http://git.or.cz/gitwiki/GitFaq#non-bare
+  https://archive.kernel.org/oldwiki/git.wiki.kernel.org/index.php/GitFaq.html#non-bare
   https://lore.kernel.org/git/7vbptlsuyv.fsf@gitster.siamese.dyndns.org/
 
 for more details on the reason why this change is needed and the
diff --git a/Documentation/RelNotes/1.6.4.txt b/Documentation/RelNotes/1.6.4.txt
index a2a34b43a75..0fccfb0bf0b 100644
--- a/Documentation/RelNotes/1.6.4.txt
+++ b/Documentation/RelNotes/1.6.4.txt
@@ -10,7 +10,7 @@ To ease the transition plan, the receiving repository of such a
 push running this release will issue a big warning when the
 configuration variable is missing.  Please refer to:
 
-  http://git.or.cz/gitwiki/GitFaq#non-bare
+  https://archive.kernel.org/oldwiki/git.wiki.kernel.org/index.php/GitFaq.html#non-bare
   https://lore.kernel.org/git/7vbptlsuyv.fsf@gitster.siamese.dyndns.org/
 
 for more details on the reason why this change is needed and the
diff --git a/Documentation/RelNotes/1.6.5.txt b/Documentation/RelNotes/1.6.5.txt
index 6c7f7da7eb9..79cb1b2b6df 100644
--- a/Documentation/RelNotes/1.6.5.txt
+++ b/Documentation/RelNotes/1.6.5.txt
@@ -21,7 +21,7 @@ To ease the transition plan, the receiving repository of such a
 push running this release will issue a big warning when the
 configuration variable is missing.  Please refer to:
 
-  http://git.or.cz/gitwiki/GitFaq#non-bare
+  https://archive.kernel.org/oldwiki/git.wiki.kernel.org/index.php/GitFaq.html#non-bare
   https://lore.kernel.org/git/7vbptlsuyv.fsf@gitster.siamese.dyndns.org/
 
 for more details on the reason why this change is needed and the
diff --git a/Documentation/RelNotes/1.6.6.txt b/Documentation/RelNotes/1.6.6.txt
index 3ed1e014337..88b86a827e8 100644
--- a/Documentation/RelNotes/1.6.6.txt
+++ b/Documentation/RelNotes/1.6.6.txt
@@ -63,7 +63,7 @@ users will fare this time.
 
    Please refer to:
 
-   http://git.or.cz/gitwiki/GitFaq#non-bare
+   https://archive.kernel.org/oldwiki/git.wiki.kernel.org/index.php/GitFaq.html#non-bare
    https://lore.kernel.org/git/7vbptlsuyv.fsf@gitster.siamese.dyndns.org/
 
    for more details on the reason why this change is needed and the
diff --git a/Documentation/git-cvsimport.txt b/Documentation/git-cvsimport.txt
index e107ae930de..90fdc2551a3 100644
--- a/Documentation/git-cvsimport.txt
+++ b/Documentation/git-cvsimport.txt
@@ -22,7 +22,7 @@ DESCRIPTION
 deprecated; it does not work with cvsps version 3 and later.  If you are
 performing a one-shot import of a CVS repository consider using
 http://cvs2svn.tigris.org/cvs2git.html[cvs2git] or
-http://www.catb.org/esr/cvs-fast-export/[cvs-fast-export].
+https://gitlab.com/esr/cvs-fast-export[cvs-fast-export].
 
 Imports a CVS repository into Git. It will either create a new
 repository, or incrementally import into an existing one.
diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt
index 06aa8bf0741..8ccc1973b80 100644
--- a/Documentation/git-format-patch.txt
+++ b/Documentation/git-format-patch.txt
@@ -610,7 +610,7 @@ Approach #3 (external editor)
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 The following Thunderbird extensions are needed:
-AboutConfig from http://aboutconfig.mozdev.org/ and
+AboutConfig from https://mjg.github.io/AboutConfig/ and
 External Editor from https://globs.org/articles.php?lng=en&pg=8
 
 1. Prepare the patch as a text file using your method of choice.
diff --git a/Documentation/git.txt b/Documentation/git.txt
index 11228956cd5..c7292eb25d0 100644
--- a/Documentation/git.txt
+++ b/Documentation/git.txt
@@ -1061,7 +1061,7 @@ Authors
 -------
 Git was started by Linus Torvalds, and is currently maintained by Junio
 C Hamano. Numerous contributions have come from the Git mailing list
-<git@vger.kernel.org>.  http://www.openhub.net/p/git/contributors/summary
+<git@vger.kernel.org>.  https://openhub.net/p/git/contributors/summary
 gives you a more complete list of contributors.
 
 If you have a clone of git.git itself, the
diff --git a/git-gui/git-gui.sh b/git-gui/git-gui.sh
index 1d6102e0674..4a11d590b68 100755
--- a/git-gui/git-gui.sh
+++ b/git-gui/git-gui.sh
@@ -2390,7 +2390,7 @@ proc do_quit {{rc {1}}} {
 	set ret_code $rc
 
 	# Briefly enable send again, working around Tk bug
-	# http://sourceforge.net/tracker/?func=detail&atid=112997&aid=1821174&group_id=12997
+	# https://sourceforge.net/p/tktoolkit/bugs/2343/
 	tk appname [appname]
 
 	destroy .
diff --git a/gitk-git/gitk b/gitk-git/gitk
index 1db46977df0..7a087f123d7 100755
--- a/gitk-git/gitk
+++ b/gitk-git/gitk
@@ -12472,7 +12472,7 @@ if {[tk windowingsystem] eq "aqua"} {
 
 catch {
     # follow the XDG base directory specification by default. See
-    # http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
+    # https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
     if {[info exists env(XDG_CONFIG_HOME)] && $env(XDG_CONFIG_HOME) ne ""} {
         # XDG_CONFIG_HOME environment variable is set
         set config_file [file join $env(XDG_CONFIG_HOME) git gitk]
diff --git a/gitweb/static/js/lib/common-lib.js b/gitweb/static/js/lib/common-lib.js
index 17b1796496d..99e3eb8c3d9 100644
--- a/gitweb/static/js/lib/common-lib.js
+++ b/gitweb/static/js/lib/common-lib.js
@@ -137,7 +137,7 @@ function addCssRule(selector, style) {
  *   http://www.dustindiaz.com/getelementsbyclass/
  *   https://stackoverflow.com/questions/1818865/do-we-have-getelementsbyclassname-in-javascript
  *
- * See also http://ejohn.org/blog/getelementsbyclassname-speed-comparison/
+ * See also https://johnresig.com/blog/getelementsbyclassname-speed-comparison/
  *
  * @param {String} class: name of _single_ class to find
  * @param {String} [taghint] limit search to given tags
diff --git a/http.c b/http.c
index e138b4b96fb..33c6011e8d8 100644
--- a/http.c
+++ b/http.c
@@ -1877,7 +1877,7 @@ static void write_accept_language(struct strbuf *buf)
 	 * MAX_DECIMAL_PLACES must not be larger than 3. If it is larger than
 	 * that, q-value will be smaller than 0.001, the minimum q-value the
 	 * HTTP specification allows. See
-	 * http://tools.ietf.org/html/rfc7231#section-5.3.1 for q-value.
+	 * https://datatracker.ietf.org/doc/html/rfc7231#section-5.3.1 for q-value.
 	 */
 	const int MAX_DECIMAL_PLACES = 3;
 	const int MAX_LANGUAGE_TAGS = 1000;
diff --git a/imap-send.c b/imap-send.c
index 3b2077e39b2..448ca64c052 100644
--- a/imap-send.c
+++ b/imap-send.c
@@ -860,7 +860,7 @@ static void imap_close_store(struct imap_store *ctx)
 
 /*
  * hexchar() and cram() functions are based on the code from the isync
- * project (http://isync.sf.net/).
+ * project (https://isync.sourceforge.io/).
  */
 static char hexchar(unsigned int b)
 {
diff --git a/json-writer.h b/json-writer.h
index de140e54c98..04413bd1afd 100644
--- a/json-writer.h
+++ b/json-writer.h
@@ -4,7 +4,7 @@
 /*
  * JSON data structures are defined at:
  * [1] https://www.ietf.org/rfc/rfc7159.txt
- * [2] http://json.org/
+ * [2] https://www.json.org/
  *
  * The JSON-writer API allows one to build JSON data structures using a
  * simple wrapper around a "struct strbuf" buffer.  It is intended as a
