diff --git a/app/comp/res_common.py b/app/comp/res_common.py
index 5214a2e66..6e37a8c2d 100644
--- a/app/comp/res_common.py
+++ b/app/comp/res_common.py
@@ -14,6 +14,7 @@ import pandas as pd
 
 from flask import g, url_for
 
+from app.auth.models import User
 from app.comp.res_cache import ResultatsCache
 from app.comp import res_sem
 from app.comp.moy_mod import ModuleImplResults
@@ -26,7 +27,6 @@ from app.scodoc.sco_codes_parcours import UE_SPORT, DEF, DEM
 from app.scodoc import sco_evaluation_db
 from app.scodoc.sco_exceptions import ScoValueError
 from app.scodoc import sco_groups
-from app.scodoc import sco_users
 from app.scodoc import sco_utils as scu
 
 # Il faut bien distinguer
@@ -414,7 +414,6 @@ class ResultatsSemestre(ResultatsCache):
                 - les colonnes de modules (SAE ou res.) d'une UE ont la classe mod_ue_<ue_id>
             _<column_id>_order : clé de tri
         """
-
         if convert_values:
             fmt_note = scu.fmt_note
         else:
@@ -430,6 +429,7 @@ class ResultatsSemestre(ResultatsCache):
         titles = {}
         # les titres en footer: les mêmes, mais avec des bulles et liens:
         titles_bot = {}
+        dict_nom_res = {}  # cache uid : nomcomplet
 
         def add_cell(
             row: dict,
@@ -602,11 +602,14 @@ class ResultatsSemestre(ResultatsCache):
                             scodoc_dept=g.scodoc_dept,
                             moduleimpl_id=modimpl.id,
                         )
+                        nom_resp = dict_nom_res.get(modimpl.responsable_id)
+                        if nom_resp is None:
+                            user = User.query.get(modimpl.responsable_id)
+                            nom_resp = user.get_nomcomplet() if user else ""
+                            dict_nom_res[modimpl.responsable_id] = nom_resp
                         titles_bot[
                             f"_{col_id}_target_attrs"
-                        ] = f"""
-                        title="{modimpl.module.titre} 
-                        ({sco_users.user_info(modimpl.responsable_id)['nomcomplet']})" """
+                        ] = f""" title="{modimpl.module.titre} ({nom_resp})" """
                         modimpl_ids.add(modimpl.id)
             ue_valid_txt = f"{nb_ues_validables}/{len(ues_sans_bonus)}"
             if nb_ues_warning:
diff --git a/app/models/etudiants.py b/app/models/etudiants.py
index 6c342482c..962e7baaf 100644
--- a/app/models/etudiants.py
+++ b/app/models/etudiants.py
@@ -16,6 +16,7 @@ from app import models
 
 from app.scodoc import notesdb as ndb
 from app.scodoc.sco_bac import Baccalaureat
+from app.scodoc.sco_exceptions import ScoValueError
 import app.scodoc.sco_utils as scu
 
 
@@ -354,7 +355,10 @@ def make_etud_args(
     """
     args = None
     if etudid:
-        args = {"etudid": etudid}
+        try:
+            args = {"etudid": int(etudid)}
+        except ValueError as exc:
+            raise ScoValueError("Adresse invalide") from exc
     elif code_nip:
         args = {"code_nip": code_nip}
     elif use_request:  # use form from current request (Flask global)
diff --git a/app/scodoc/sco_cache.py b/app/scodoc/sco_cache.py
index 6330849c5..2e9792e41 100644
--- a/app/scodoc/sco_cache.py
+++ b/app/scodoc/sco_cache.py
@@ -49,7 +49,6 @@
 #  sco_cache.EvaluationCache.get(evaluation_id), set(evaluation_id, value), delete(evaluation_id),
 #
 
-import time
 import traceback
 
 from flask import g
@@ -198,6 +197,26 @@ class SemInscriptionsCache(ScoDocCache):
     duration = 12 * 60 * 60  # ttl 12h
 
 
+class TableRecapCache(ScoDocCache):
+    """Cache table recap (pour get_table_recap)
+    Clé: formsemestre_id
+    Valeur: le html (<div class="table_recap">...</div>)
+    """
+
+    prefix = "RECAP"
+    duration = 12 * 60 * 60  # ttl 12h
+
+
+class TableRecapWithEvalsCache(ScoDocCache):
+    """Cache table recap (pour get_table_recap)
+    Clé: formsemestre_id
+    Valeur: le html (<div class="table_recap">...</div>)
+    """
+
+    prefix = "RECAPWITHEVALS"
+    duration = 12 * 60 * 60  # ttl 12h
+
+
 def invalidate_formsemestre(  # was inval_cache(formsemestre_id=None, pdfonly=False)
     formsemestre_id=None, pdfonly=False
 ):
@@ -209,7 +228,7 @@ def invalidate_formsemestre(  # was inval_cache(formsemestre_id=None, pdfonly=Fa
     if getattr(g, "defer_cache_invalidation", False):
         g.sem_to_invalidate.add(formsemestre_id)
         return
-    log("inval_cache, formsemestre_id=%s pdfonly=%s" % (formsemestre_id, pdfonly))
+    log("inval_cache, formsemestre_id={formsemestre_id} pdfonly={pdfonly}")
     if formsemestre_id is None:
         # clear all caches
         log("----- invalidate_formsemestre: clearing all caches -----")
@@ -247,6 +266,9 @@ def invalidate_formsemestre(  # was inval_cache(formsemestre_id=None, pdfonly=Fa
         SemInscriptionsCache.delete_many(formsemestre_ids)
         ResultatsSemestreCache.delete_many(formsemestre_ids)
         ValidationsSemestreCache.delete_many(formsemestre_ids)
+        TableRecapCache.delete_many(formsemestre_ids)
+        TableRecapWithEvalsCache.delete_many(formsemestre_ids)
+
     SemBulletinsPDFCache.invalidate_sems(formsemestre_ids)
 
 
diff --git a/app/scodoc/sco_recapcomplet.py b/app/scodoc/sco_recapcomplet.py
index f7b365ed0..84fbafc38 100644
--- a/app/scodoc/sco_recapcomplet.py
+++ b/app/scodoc/sco_recapcomplet.py
@@ -48,6 +48,7 @@ from app.scodoc import html_sco_header
 from app.scodoc import sco_bulletins_json
 from app.scodoc import sco_bulletins_xml
 from app.scodoc import sco_bulletins, sco_excel
+from app.scodoc import sco_cache
 from app.scodoc import sco_codes_parcours
 from app.scodoc import sco_evaluations
 from app.scodoc import sco_evaluation_db
@@ -1031,8 +1032,35 @@ def gen_formsemestre_recapcomplet_html(
     formsemestre: FormSemestre, res: NotesTableCompat, include_evaluations=False
 ):
     """Construit table recap pour le BUT
+    Cache le résultat pour le semestre.
     Return: data, filename
     """
+    filename = scu.sanitize_filename(
+        f"""recap-{formsemestre.titre_num()}-{time.strftime("%Y-%m-%d")}"""
+    )
+    if include_evaluations:
+        table_html = sco_cache.TableRecapWithEvalsCache.get(formsemestre.id)
+    else:
+        table_html = sco_cache.TableRecapCache.get(formsemestre.id)
+    if table_html is None:
+        table_html = _gen_formsemestre_recapcomplet_html(
+            formsemestre, res, include_evaluations, filename
+        )
+        if include_evaluations:
+            sco_cache.TableRecapWithEvalsCache.set(formsemestre.id, table_html)
+        else:
+            sco_cache.TableRecapCache.set(formsemestre.id, table_html)
+
+    return table_html, filename
+
+
+def _gen_formsemestre_recapcomplet_html(
+    formsemestre: FormSemestre,
+    res: NotesTableCompat,
+    include_evaluations=False,
+    filename: str = "",
+) -> str:
+    """Génère le html"""
     rows, footer_rows, titles, column_ids = res.get_table_recap(
         convert_values=True, include_evaluations=include_evaluations
     )
@@ -1041,9 +1069,6 @@ def gen_formsemestre_recapcomplet_html(
             '<div class="table_recap"><div class="message">aucun étudiant !</div></div>',
             "",
         )
-    filename = scu.sanitize_filename(
-        f"""recap-{formsemestre.titre_num()}-{time.strftime("%Y-%m-%d")}"""
-    )
     H = [
         f"""<div class="table_recap"><table class="table_recap {
             'apc' if formsemestre.formation.is_apc() else 'classic'}"
@@ -1074,4 +1099,4 @@ def gen_formsemestre_recapcomplet_html(
     </div>
     """
     )
-    return ("".join(H), filename)  # suffix ?
+    return "".join(H)
diff --git a/app/scodoc/sco_users.py b/app/scodoc/sco_users.py
index 19fdf9793..552d36d6a 100644
--- a/app/scodoc/sco_users.py
+++ b/app/scodoc/sco_users.py
@@ -227,7 +227,7 @@ def _user_list(user_name):
 
 
 @cache.memoize(timeout=50)  # seconds
-def user_info(user_name_or_id=None, user=None):
+def user_info(user_name_or_id=None, user: User = None):
     """Dict avec infos sur l'utilisateur (qui peut ne pas etre dans notre base).
     Si user_name est specifie (string ou id), interroge la BD. Sinon, user doit etre une instance
     de User.