diff --git a/groups/ACAAB/index.html b/groups/ACAAB/index.html
index 36dd227..5f8bf2e 100644
--- a/groups/ACAAB/index.html
+++ b/groups/ACAAB/index.html
@@ -1185,9 +1185,9 @@
                                 <span class="acaab-fade-in"
                                     style="display:inline-block;background:#feb401;color:#0f172a;font-size:0.65rem;font-weight:700;letter-spacing:0.15em;text-transform:uppercase;padding:0.2rem 0.625rem;margin-bottom:0.75rem;"
                                     data-i18n="grp_acaab_hero_badge">MAHASISWA &amp; PRESTASI</span>
-                                <h1 class="acaab-fade-in"
+                                <h2 class="acaab-fade-in"
                                     style="font-size:clamp(1.875rem,3.5vw,2.5rem);font-weight:700;line-height:1.2;letter-spacing:-0.01em;margin:0 0 0.75rem;font-family:'Roboto Condensed',sans-serif;"
-                                    data-i18n="grp_acaab_hero_title">Sorotan dan Prestasi Karya Mahasiswa</h1>
+                                    data-i18n="grp_acaab_hero_title">Sorotan dan Prestasi Karya Mahasiswa</h2>
                                 <p class="acaab-fade-in"
                                     style="color:rgba(255,255,255,0.7);font-size:0.9375rem;line-height:1.7;margin:0;"
                                     data-i18n="grp_acaab_hero_desc">Temukan pencapaian luar biasa mahasiswa Informatika
@@ -1201,6 +1201,8 @@
                                 </div>
                                 <div style="position:relative;">
                                     <img src="./hero.png" alt="Mahasiswa Informatika UNTAN"
+                                        width="612" height="407"
+                                        fetchpriority="high"
                                         style="position:relative;z-index:10;width:100%;max-width:320px;height:auto;object-fit:contain;opacity:0.95;filter:drop-shadow(0 15px 35px rgba(0,0,0,0.25));transition:transform 0.5s;"
                                         onerror="this.style.display='none'">
                                     <!-- Gradient fades over image -->
@@ -1339,11 +1341,11 @@
                         </div>
                         <!-- Row 3: Dropdowns -->
                         <div style="display:flex;flex-wrap:wrap;gap:0.625rem;">
-                            <select id="acaab-ach-level"
+                            <select id="acaab-ach-level" aria-label="Filter tingkat prestasi"
                                 style="flex:1;min-width:130px;background:#f8fafc;color:#334155;font-size:0.8rem;font-weight:700;border-radius:0.375rem;padding:0.5rem 0.75rem;border:1px solid #e2e8f0;cursor:pointer;"></select>
-                            <select id="acaab-ach-cat"
+                            <select id="acaab-ach-cat" aria-label="Filter kategori prestasi"
                                 style="flex:1;min-width:130px;background:#f8fafc;color:#334155;font-size:0.8rem;font-weight:700;border-radius:0.375rem;padding:0.5rem 0.75rem;border:1px solid #e2e8f0;cursor:pointer;"></select>
-                            <select id="acaab-ach-year"
+                            <select id="acaab-ach-year" aria-label="Filter tahun prestasi"
                                 style="flex:1;min-width:120px;background:#f8fafc;color:#334155;font-size:0.8rem;font-weight:700;border-radius:0.375rem;padding:0.5rem 0.75rem;border:1px solid #e2e8f0;cursor:pointer;"></select>
                         </div>
                     </div>
@@ -1405,9 +1407,9 @@
                                 placeholder="Cari karya..." data-i18n-placeholder="grp_acaab_proj_search">
                         </div>
                         <div style="display:flex;flex-wrap:wrap;gap:0.625rem;">
-                            <select id="acaab-proj-cat"
+                            <select id="acaab-proj-cat" aria-label="Filter kategori portofolio"
                                 style="flex:1;min-width:130px;background:#f8fafc;color:#334155;font-size:0.8rem;font-weight:700;border-radius:0.375rem;padding:0.5rem 0.75rem;border:1px solid #e2e8f0;cursor:pointer;"></select>
-                            <select id="acaab-proj-year"
+                            <select id="acaab-proj-year" aria-label="Filter tahun portofolio"
                                 style="flex:1;min-width:120px;background:#f8fafc;color:#334155;font-size:0.8rem;font-weight:700;border-radius:0.375rem;padding:0.5rem 0.75rem;border:1px solid #e2e8f0;cursor:pointer;"></select>
                         </div>
                     </div>