diff --git a/scipost/forms.py b/scipost/forms.py
index 5e6c95dba26f5e1dbcaac223cc53530fbbc465ca..77368418d0e1c82cd2c048897011c1f31603da0f 100644
--- a/scipost/forms.py
+++ b/scipost/forms.py
@@ -108,7 +108,7 @@ class RegistrationForm(forms.Form):
         widget=forms.TextInput({'placeholder': 'For postal correspondence'}), required=False)
     personalwebpage = forms.URLField(
         label='Personal web page', required=False,
-        widget=forms.TextInput({'placeholder': 'full URL, e.g. http://www.[yourpage].com'}))
+        widget=forms.TextInput({'placeholder': 'full URL, e.g. https://www.[yourpage].com'}))
     username = forms.CharField(label='* Username', max_length=100,
                                validators=[UnicodeUsernameValidator,])
     password = forms.CharField(label='* Password', widget=forms.PasswordInput())
diff --git a/scipost/templates/scipost/FAQ.html b/scipost/templates/scipost/FAQ.html
index 588c9ac75651558cc56579ec588b94b1693a0754..eaf9c86a1c5085fed5a6211ccffe001d6c0e1bb5 100644
--- a/scipost/templates/scipost/FAQ.html
+++ b/scipost/templates/scipost/FAQ.html
@@ -30,7 +30,7 @@
     all the way to post-publication commenting, is offered by SciPost.
 </p>
 <p>
-    Thus, simply stated: share your preprint on <a target="_blank" href="http://www.arxiv.org">arXiv</a>, publish it in <a href="https://scipost.org">SciPost</a>.
+    Thus, simply stated: share your preprint on <a target="_blank" href="https://www.arxiv.org">arXiv</a>, publish it in <a href="https://scipost.org">SciPost</a>.
 </p><!-- End SciPost -->
 
 <!-- SciPost Journals -->
@@ -120,7 +120,7 @@
             <h3>Will SciPost papers be listed in citation databases?</h3>
         </a>
         <div id="journals_cite_db" class="collapse" role="journals_cite_db">
-	  <p>SciPost Physics is listed in <a href="http://wokinfo.com/prod=
+	  <p>SciPost Physics is listed in <a href="https://wokinfo.com/prod=
 ucts_tools/multidisciplinary/esci/">ESCI</a> (part of Web of Science's Core Collection), in Google Scholar and in INSPIRE.</p>
 	  <p>SciPost is an active participant in the <a href="https://i4oc.org">Initiative for Open Citations</a> (I4OC), aiming to make all citation metadata publicly available, thereby opening up a future in which a much more diverse citation metrics landscape will be accessible.</p>
         </div>
@@ -140,7 +140,7 @@ ucts_tools/multidisciplinary/esci/">ESCI</a> (part of Web of Science's Core Coll
             <h3>Under what license do SciPost Journals publish articles?</h3>
         </a>
         <div id="journals_license" class="collapse" role="journals_license">
-            <p>All SciPost contents are licensed under the <a target="_blank" href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 International (CC BY 4.0) License</a>. Under this license, the copyright remains the property of the authors, who then agree to make their articles available for reuse without permission or fees, for virtually any purpose. Anyone may copy, distribute or reuse these articles as long as the author(s) and original source are properly cited. This is the standard license used worldwide in open access journals. You can read more about the details in the <a href="{% url 'journals:journals_terms_and_conditions' %}">SciPost Journals Terms and Conditions</a>.</p>
+            <p>All SciPost contents are licensed under the <a target="_blank" href="https://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 International (CC BY 4.0) License</a>. Under this license, the copyright remains the property of the authors, who then agree to make their articles available for reuse without permission or fees, for virtually any purpose. Anyone may copy, distribute or reuse these articles as long as the author(s) and original source are properly cited. This is the standard license used worldwide in open access journals. You can read more about the details in the <a href="{% url 'journals:journals_terms_and_conditions' %}">SciPost Journals Terms and Conditions</a>.</p>
         </div>
     </div>
 
@@ -293,7 +293,7 @@ ucts_tools/multidisciplinary/esci/">ESCI</a> (part of Web of Science's Core Coll
         </a>
         <div id="scipost_funded" class="collapse" role="tabpanel">
             <p>SciPost operates non-commercially and purely not-for-profit, incurring minimal costs. Contributors, who are by definition all academically employed, provide all the content and perform all editorial tasks as part of their normal institutional academic duties. Operations are kept running by a team of volunteer officers, themselves academically employed.</p>
-            <p>The startup phase was supported by a grant from the <a target="_blank" href="http://www.nwo.nl/en">NWO</a> in the Netherlands. Long-term operations will be financed by donations from national funding agencies, universities, societies, foundations and individuals. More information on our cost-slashing consortial scheme can be found on our <a href="{% url 'sponsors:sponsors' %}">sponsors page</a>. You can also take a look at our <a href="{% static 'sponsors/SciPost_Sponsors_Board_Prospectus.pdf' %}">one-page Prospectus</a> and at our full <a href="{% static 'sponsors/SciPost_Sponsorship_Agreement.pdf' %}">Sponsorship Agreement template</a> for more information. You might even consider petitioning your local librarian/director/... to consider sponsoring us, which you can easily do using this email <a href="mailto:?subject=Petition to support SciPost&body={% autoescape on %}{% include 'sponsors/sponsor_petition_email.html' %}{% endautoescape %}&cc=sponsors@scipost.org">template</a>.
+            <p>The startup phase was supported by a grant from the <a target="_blank" href="https://www.nwo.nl/en">NWO</a> in the Netherlands. Long-term operations will be financed by donations from national funding agencies, universities, societies, foundations and individuals. More information on our cost-slashing consortial scheme can be found on our <a href="{% url 'sponsors:sponsors' %}">sponsors page</a>. You can also take a look at our <a href="{% static 'sponsors/SciPost_Sponsors_Board_Prospectus.pdf' %}">one-page Prospectus</a> and at our full <a href="{% static 'sponsors/SciPost_Sponsorship_Agreement.pdf' %}">Sponsorship Agreement template</a> for more information. You might even consider petitioning your local librarian/director/... to consider sponsoring us, which you can easily do using this email <a href="mailto:?subject=Petition to support SciPost&body={% autoescape on %}{% include 'sponsors/sponsor_petition_email.html' %}{% endautoescape %}&cc=sponsors@scipost.org">template</a>.
 	    </p>
         </div>
     </div>
diff --git a/scipost/templates/scipost/about.html b/scipost/templates/scipost/about.html
index e2e31cb5842f72d149f3b15fcfa89eade818429e..f86fb93c09cdff25cb1c1fac9b16f4320bacc59e 100644
--- a/scipost/templates/scipost/about.html
+++ b/scipost/templates/scipost/about.html
@@ -109,7 +109,7 @@
     <div class="col-md-4 col-lg-3">
       <h3><a href="{% url 'scipost:foundation' %}">The SciPost Foundation</a></h3>
       <ul>
-    	<li>Chairman: Prof. <a href="http://jscaux.org" target="_blank">J.-S. Caux</a></li>
+    	<li>Chairman: Prof. <a href="https://jscaux.org" target="_blank">J.-S. Caux</a></li>
     	<li>Secretary: Dr J. van Mameren</li>
     	<li>Treasurer: Dr J. van Wezel</li>
       </ul>
diff --git a/submissions/templates/submissions/author_guidelines.html b/submissions/templates/submissions/author_guidelines.html
index b06cc6a6a9c3679018370e39ddf0b8e82d24cf2a..6102781c10d1e75d35d18a9ef6178570f9a0c58f 100644
--- a/submissions/templates/submissions/author_guidelines.html
+++ b/submissions/templates/submissions/author_guidelines.html
@@ -129,7 +129,7 @@
   <h2 class="highlight" id="manusub">Manuscript submission</h2>
   <p>Submitting your manuscript to SciPost is extremely easy. You should:</p>
   <ul>
-    <li>Make your preprint publicly available on <a href="http://arxiv.org">arXiv.org</a> (please include a statement as `Submission to SciPost' in the Comments)</li>
+    <li>Make your preprint publicly available on <a href="https://arxiv.org">arXiv.org</a> (please include a statement as `Submission to SciPost' in the Comments)</li>
     <li>After appearance on arxiv.org, fill the SciPost <a href="{% url 'submissions:submit_manuscript' %}">Submission</a> form, selecting which SciPost Journal
       to submit to and providing domain and speciality specifications.</li>
   </ul>
diff --git a/templates/email/org_contacts/contactperson_initial_mail.html b/templates/email/org_contacts/contactperson_initial_mail.html
index df1322cb97525cec76b75466a2f90ded34a39b61..53beaf00820c8c5ede93a15613593bd90280e7c9 100644
--- a/templates/email/org_contacts/contactperson_initial_mail.html
+++ b/templates/email/org_contacts/contactperson_initial_mail.html
@@ -27,7 +27,7 @@
     On behalf of the SciPost Foundation,<br><br>
     Prof. dr Jean-Sébastien Caux<br>
     J.S.Caux@uva.nl<br>
-    http://jscaux.org<br>
+    https://jscaux.org<br>
     ---------------------------------------------<br>
     Institute for Theoretical Physics<br>
     University of Amsterdam<br>