diff --git a/config/techreport.json b/config/techreport.json
index 74c80088..4dfd6dce 100644
--- a/config/techreport.json
+++ b/config/techreport.json
@@ -930,7 +930,7 @@
         },
         "lighthouse_timeseries": {
           "title": "Lighthouse over time",
-          "description": "Lighthouse has audits for performance, accessibility, progressive web apps, SEO, and more. Based on the audits, a score is calculated. Currently, this section visualizes median scores, but in the future you'll also be able to explore the details of the audits here.",
+          "description": "Lighthouse has audits for performance, accessibility, SEO, and more. Based on the audits, a score is calculated. Currently, this section visualizes median scores, but in the future you'll also be able to explore the details of the audits here.",
           "id": "lighthouse_timeseries",
           "endpoint": "lighthouse",
           "metric": "median_score_pct",
@@ -1305,7 +1305,7 @@
     "metrics": {
       "lighthouse": {
         "general": {
-          "description": "Lighthouse has audits for performance, accessibility, progressive web apps, SEO, and more. Based on the audits, a score is calculated. Currently, this section visualizes median scores, but in the future you'll also be able to explore the details of the audits here."
+          "description": "Lighthouse has audits for performance, accessibility, SEO, and more. Based on the audits, a score is calculated. Currently, this section visualizes median scores, but in the future you'll also be able to explore the details of the audits here."
         },
         "performance": {
           "title": "Performance",
diff --git a/server/routes.py b/server/routes.py
index f312cb51..59a975a2 100644
--- a/server/routes.py
+++ b/server/routes.py
@@ -1,6 +1,7 @@
 import re
 
 from flask import abort, jsonify, redirect, request, send_from_directory
+from urllib.parse import urlsplit, urlunsplit, parse_qsl, urlencode
 
 from . import app
 from . import faq as faq_util
@@ -21,6 +22,36 @@ def safe_int(value, default=1):
         return default
 
 
+def _add_param_to_url(u: str, key: str, value: str) -> str:
+    """Add or update a single query param on a (possibly relative) URL string."""
+    if not isinstance(u, str) or u == "":
+        return u  # pragma: no cover
+    parts = urlsplit(u)  # works for relative URLs like "?a=b#frag" or "#frag"
+    q = dict(parse_qsl(parts.query, keep_blank_values=True))
+    q[key] = value  # add or replace
+    new_query = urlencode(q, doseq=True)
+    return urlunsplit(parts._replace(query=new_query))
+
+
+def add_param_to_all_urls(obj, key: str, value: str) -> int:
+    """
+    Recursively mutate `obj` in place, adding/updating `key=value` to all fields named "url".
+    """
+
+    if isinstance(obj, dict):
+        for k, v in obj.items():
+            if k == "url" and isinstance(v, str):
+                obj[k] = _add_param_to_url(v, key, value)
+            else:
+                add_param_to_all_urls(v, key, value)
+
+    elif isinstance(obj, list):
+        for item in obj:
+            add_param_to_all_urls(item, key, value)
+
+    return
+
+
 @app.route("/")
 def index():
     return render_template(
@@ -192,6 +223,16 @@ def techreport():
     active_tech_report["filters"] = filters
     active_tech_report["params"] = params
 
+    # If we're looking at a Drilldown report of a single technology
+    # then we have summary links which may reload the report.
+    # Update all the summary URLs to include filters
+    # See https://github.com/HTTPArchive/httparchive.org/issues/1148
+    if page_id == "drilldown":
+        config = active_tech_report.get("config", {})
+        add_param_to_all_urls(config, "geo", requested_geo)
+        add_param_to_all_urls(config, "rank", requested_rank)
+        add_param_to_all_urls(config, "tech", requested_technologies)
+
     return render_template(
         "techreport/%s.html" % page_id,
         active_page=page_id,
diff --git a/templates/techreport/components/summary_card.html b/templates/techreport/components/summary_card.html
index 73600a17..843652b9 100644
--- a/templates/techreport/components/summary_card.html
+++ b/templates/techreport/components/summary_card.html
@@ -15,7 +15,7 @@
 >
   <p class="summary-linked-label">
     {% if summary.url %}
-      <a href="{{ summary.url }}{{ filters }}" data-slot="label">
+      <a href="{{ summary.url }}" data-slot="label">
         {{ summary.label }}
       </a>
     {% else %}
diff --git a/templates/techreport/techreport.html b/templates/techreport/techreport.html
index 3a5daf8d..f707cb0d 100644
--- a/templates/techreport/techreport.html
+++ b/templates/techreport/techreport.html
@@ -77,8 +77,7 @@
     <div class="block-m">
       <h2><a href="#section-feedback" class="anchor">Feedback?</a></h2>
       <p>
-        We are still working on this dashboard. The design and functionality can still change, and we're working on accessibility improvements and bugfixes.
-        What you're seeing here is a snapshot of our latest GitHub commit, and are <a href="https://github.com/HTTPArchive/httparchive.org/issues/new?template=tech-report.md">open for feedback</a>.
+        Please raise a <a href="https://github.com/HTTPArchive/httparchive.org/issues/new?template=tech-report.md">GitHub issue</a> if you spot any problems, or for any feature requests.
       </p>
     </div>
   </div>