diff --git a/apps/gittensory-ui/src/components/site/app-panels/contributor-quality-table.tsx b/apps/gittensory-ui/src/components/site/app-panels/contributor-quality-table.tsx
index cdf66a8f42..0204d3ddd5 100644
--- a/apps/gittensory-ui/src/components/site/app-panels/contributor-quality-table.tsx
+++ b/apps/gittensory-ui/src/components/site/app-panels/contributor-quality-table.tsx
@@ -1,4 +1,5 @@
 import { BoundaryBadge, StatusPill } from "@/components/site/control-primitives";
+import { TableScroll } from "@/components/site/data-table";
 import { EmptyState } from "@/components/site/state-views";
 import {
   QUALITY_BAND_TONE,
@@ -30,13 +31,22 @@ export function ContributorQualityTable({
           description="Quality bands appear once this maintainer's repos have cached open pull requests to shape."
         />
       ) : (
-        <div className="mt-4 overflow-x-auto">
-          <table className="w-full min-w-[420px] text-left text-token-sm">
+        <TableScroll className="mt-4" label="Top contributors by quality band">
+          <table className="w-full min-w-[420px] whitespace-nowrap text-left text-token-sm">
+            <caption className="sr-only">
+              Contributors with their quality band and open pull request count.
+            </caption>
             <thead>
               <tr className="border-b-hairline font-mono text-token-2xs uppercase tracking-wider text-muted-foreground">
-                <th className="py-2 pr-3 font-normal">Contributor</th>
-                <th className="py-2 pr-3 font-normal">Band</th>
-                <th className="py-2 font-normal">Open PRs</th>
+                <th scope="col" className="py-2 pr-3 font-normal">
+                  Contributor
+                </th>
+                <th scope="col" className="py-2 pr-3 font-normal">
+                  Band
+                </th>
+                <th scope="col" className="py-2 font-normal">
+                  Open PRs
+                </th>
               </tr>
             </thead>
             <tbody>
@@ -58,7 +68,7 @@ export function ContributorQualityTable({
               ))}
             </tbody>
           </table>
-        </div>
+        </TableScroll>
       )}
     </section>
   );
diff --git a/apps/gittensory-ui/src/components/site/app-panels/maintainer-panel.tsx b/apps/gittensory-ui/src/components/site/app-panels/maintainer-panel.tsx
index b8be6d289d..f79ed8c1ff 100644
--- a/apps/gittensory-ui/src/components/site/app-panels/maintainer-panel.tsx
+++ b/apps/gittensory-ui/src/components/site/app-panels/maintainer-panel.tsx
@@ -34,6 +34,7 @@ import { MaintainerSettings } from "@/components/site/app-panels/maintainer-sett
 import { OnboardingPreviewCard } from "@/components/site/app-panels/onboarding-preview-card";
 import { CheckRunReadinessTable } from "@/components/site/check-run-readiness-table";
 import type { CheckRunReadinessTableData } from "@/components/site/check-run-readiness-model";
+import { TableScroll } from "@/components/site/data-table";
 import { StatCard } from "@/components/site/primitives";
 import { RefreshMeta } from "@/components/site/refresh-meta";
 import { EmptyState, LoadingState, StateBoundary } from "@/components/site/state-views";
@@ -340,52 +341,71 @@ function MaintainerDashboardView({
                 private
               </span>
             </div>
-            <table className="mt-4 w-full text-left text-token-sm">
-              <thead>
-                <tr className="border-b-hairline font-mono text-token-2xs uppercase tracking-wider text-muted-foreground">
-                  <th className="py-2 pr-3 font-normal">PR</th>
-                  <th className="py-2 pr-3 font-normal">Title</th>
-                  <th className="py-2 pr-3 font-normal">Author</th>
-                  <th className="py-2 pr-3 font-normal">Bucket</th>
-                  <th className="py-2 pr-3 font-normal">Slop</th>
-                  <th className="py-2 font-normal">Reason</th>
-                </tr>
-              </thead>
-              <tbody>
-                {data.reviewability.map((row) => (
-                  <tr
-                    key={row.pr}
-                    className="border-b-hairline last:border-b-0 transition-colors hover:bg-muted/40"
-                  >
-                    <td className="py-2 pr-3 font-mono text-token-xs text-foreground/90">
-                      {row.pr}
-                    </td>
-                    <td className="py-2 pr-3">{row.title}</td>
-                    <td className="py-2 pr-3 text-token-xs text-muted-foreground">{row.author}</td>
-                    <td className="py-2 pr-3">
-                      <StatusPill status={BUCKET_TONE[row.bucket] ?? "info"}>
-                        {row.bucket}
-                      </StatusPill>
-                    </td>
-                    <td className="py-2 pr-3">
-                      {row.slop ? (
-                        <StatusPill status={SLOP_BAND_TONE[row.slop.band] ?? "info"}>
-                          {row.slop.band} {row.slop.risk}
-                        </StatusPill>
-                      ) : (
-                        <span
-                          className="text-token-xs text-muted-foreground"
-                          title="Slop detection is off for this repo, or this PR has not been assessed yet."
-                        >
-                          —
-                        </span>
-                      )}
-                    </td>
-                    <td className="py-2 text-token-xs text-muted-foreground">{row.reason}</td>
+            <TableScroll className="mt-4" label="Reviewability queue">
+              <table className="w-full whitespace-nowrap text-left text-token-sm">
+                <caption className="sr-only">
+                  Reviewable pull requests with bucket, slop band, and reason.
+                </caption>
+                <thead>
+                  <tr className="border-b-hairline font-mono text-token-2xs uppercase tracking-wider text-muted-foreground">
+                    <th scope="col" className="py-2 pr-3 font-normal">
+                      PR
+                    </th>
+                    <th scope="col" className="py-2 pr-3 font-normal">
+                      Title
+                    </th>
+                    <th scope="col" className="py-2 pr-3 font-normal">
+                      Author
+                    </th>
+                    <th scope="col" className="py-2 pr-3 font-normal">
+                      Bucket
+                    </th>
+                    <th scope="col" className="py-2 pr-3 font-normal">
+                      Slop
+                    </th>
+                    <th scope="col" className="py-2 font-normal">
+                      Reason
+                    </th>
                   </tr>
-                ))}
-              </tbody>
-            </table>
+                </thead>
+                <tbody>
+                  {data.reviewability.map((row) => (
+                    <tr
+                      key={row.pr}
+                      className="border-b-hairline last:border-b-0 transition-colors hover:bg-muted/40"
+                    >
+                      <td className="py-2 pr-3 font-mono text-token-xs text-foreground/90">
+                        {row.pr}
+                      </td>
+                      <td className="py-2 pr-3">{row.title}</td>
+                      <td className="py-2 pr-3 text-token-xs text-muted-foreground">
+                        {row.author}
+                      </td>
+                      <td className="py-2 pr-3">
+                        <StatusPill status={BUCKET_TONE[row.bucket] ?? "info"}>
+                          {row.bucket}
+                        </StatusPill>
+                      </td>
+                      <td className="py-2 pr-3">
+                        {row.slop ? (
+                          <StatusPill status={SLOP_BAND_TONE[row.slop.band] ?? "info"}>
+                            {row.slop.band} {row.slop.risk}
+                          </StatusPill>
+                        ) : (
+                          <span
+                            className="text-token-xs text-muted-foreground"
+                            title="Slop detection is off for this repo, or this PR has not been assessed yet."
+                          >
+                            —
+                          </span>
+                        )}
+                      </td>
+                      <td className="py-2 text-token-xs text-muted-foreground">{row.reason}</td>
+                    </tr>
+                  ))}
+                </tbody>
+              </table>
+            </TableScroll>
           </section>
 
           <GateOutcomeCard breakdown={data.qualityDashboard.gateOutcomeBreakdown} />
@@ -717,24 +737,35 @@ export function PreviewResult({
 
       {preview.installation?.permissionRemediation.length ? (
         <div className="overflow-hidden rounded-token border-hairline">
-          <table className="w-full text-left text-token-xs">
-            <thead className="border-b-hairline font-mono uppercase tracking-wider text-muted-foreground">
-              <tr>
-                <th className="px-3 py-2 font-normal">Permission</th>
-                <th className="px-3 py-2 font-normal">Current</th>
-                <th className="px-3 py-2 font-normal">Required</th>
-              </tr>
-            </thead>
-            <tbody>
-              {preview.installation.permissionRemediation.map((row) => (
-                <tr key={row.permission} className="border-b-hairline last:border-b-0">
-                  <td className="px-3 py-2 text-foreground">{row.permission}</td>
-                  <td className="px-3 py-2 text-muted-foreground">{row.currentAccess}</td>
-                  <td className="px-3 py-2 text-muted-foreground">{row.requiredAccess}</td>
+          <TableScroll label="Permission remediation">
+            <table className="w-full whitespace-nowrap text-left text-token-xs">
+              <caption className="sr-only">
+                GitHub App permission remediation: current versus required access per permission.
+              </caption>
+              <thead className="border-b-hairline font-mono uppercase tracking-wider text-muted-foreground">
+                <tr>
+                  <th scope="col" className="px-3 py-2 font-normal">
+                    Permission
+                  </th>
+                  <th scope="col" className="px-3 py-2 font-normal">
+                    Current
+                  </th>
+                  <th scope="col" className="px-3 py-2 font-normal">
+                    Required
+                  </th>
                 </tr>
-              ))}
-            </tbody>
-          </table>
+              </thead>
+              <tbody>
+                {preview.installation.permissionRemediation.map((row) => (
+                  <tr key={row.permission} className="border-b-hairline last:border-b-0">
+                    <td className="px-3 py-2 text-foreground">{row.permission}</td>
+                    <td className="px-3 py-2 text-muted-foreground">{row.currentAccess}</td>
+                    <td className="px-3 py-2 text-muted-foreground">{row.requiredAccess}</td>
+                  </tr>
+                ))}
+              </tbody>
+            </table>
+          </TableScroll>
         </div>
       ) : null}
 
diff --git a/apps/gittensory-ui/src/components/site/control-primitives.tsx b/apps/gittensory-ui/src/components/site/control-primitives.tsx
index 2f61b308e7..68cc377f07 100644
--- a/apps/gittensory-ui/src/components/site/control-primitives.tsx
+++ b/apps/gittensory-ui/src/components/site/control-primitives.tsx
@@ -26,12 +26,12 @@ export function StatusPill({
   return (
     <span
       className={cn(
-        "inline-flex items-center gap-1.5 rounded-full border px-2 py-0.5 font-mono text-token-2xs uppercase tracking-wider",
+        "inline-flex items-center gap-1 whitespace-nowrap rounded-full border px-1.5 py-0.5 font-mono text-[10px] uppercase tracking-wider",
         STATUS_STYLES[status],
         className,
       )}
     >
-      <span className="size-1.5 rounded-full bg-current" />
+      <span className="size-1 shrink-0 rounded-full bg-current" />
       {children}
     </span>
   );
@@ -53,12 +53,12 @@ export function BoundaryBadge({ boundary, className }: { boundary: Boundary; cla
   return (
     <span
       className={cn(
-        "inline-flex items-center gap-1.5 rounded-token border px-2 py-0.5 font-mono text-token-2xs uppercase tracking-wider",
+        "inline-flex items-center gap-1 whitespace-nowrap rounded-token border px-1.5 py-0.5 font-mono text-[10px] uppercase tracking-wider",
         tone,
         className,
       )}
     >
-      <span className="size-1 rounded-full bg-current" />
+      <span className="size-1 shrink-0 rounded-full bg-current" />
       {label}
     </span>
   );
diff --git a/apps/gittensory-ui/src/components/site/data-table.test.tsx b/apps/gittensory-ui/src/components/site/data-table.test.tsx
new file mode 100644
index 0000000000..255cf1e66f
--- /dev/null
+++ b/apps/gittensory-ui/src/components/site/data-table.test.tsx
@@ -0,0 +1,44 @@
+import { render, screen } from "@testing-library/react";
+import { describe, expect, it } from "vitest";
+
+import { TableScroll } from "@/components/site/data-table";
+
+describe("TableScroll", () => {
+  it("wraps its table in a keyboard-focusable, labelled scroll region (WCAG 2.1.1)", () => {
+    render(
+      <TableScroll label="Example data">
+        <table>
+          <caption className="sr-only">Example data rows</caption>
+          <tbody>
+            <tr>
+              <td>cell</td>
+            </tr>
+          </tbody>
+        </table>
+      </TableScroll>,
+    );
+    const region = screen.getByRole("region", { name: "Example data" });
+    // A bare overflow-x-auto div is not a tab stop; this one is, so keyboard users can scroll it.
+    expect(region.tabIndex).toBe(0);
+    expect(region.className).toContain("overflow-x-auto");
+    // The inner table takes its accessible name from the caption, not the region label.
+    expect(screen.getByRole("table", { name: "Example data rows" })).toBeTruthy();
+  });
+
+  it("merges a caller className onto the scroll region without dropping the base classes", () => {
+    render(
+      <TableScroll label="Wide table" className="mt-4">
+        <table>
+          <tbody>
+            <tr>
+              <td>x</td>
+            </tr>
+          </tbody>
+        </table>
+      </TableScroll>,
+    );
+    const region = screen.getByRole("region", { name: "Wide table" });
+    expect(region.className).toContain("mt-4");
+    expect(region.className).toContain("overflow-x-auto");
+  });
+});
diff --git a/apps/gittensory-ui/src/components/site/data-table.tsx b/apps/gittensory-ui/src/components/site/data-table.tsx
new file mode 100644
index 0000000000..a9f94eb6c7
--- /dev/null
+++ b/apps/gittensory-ui/src/components/site/data-table.tsx
@@ -0,0 +1,33 @@
+import type { ReactNode } from "react";
+
+import { cn } from "@/lib/utils";
+
+/**
+ * Accessible horizontal-scroll container for a wide data table (#794). A table that overflows its
+ * column area on a narrow viewport can be scrolled by pointer/trackpad but NOT by keyboard alone:
+ * marking the scroll region focusable (`tabIndex={0}`) with `role="region"` + an `aria-label` gives
+ * keyboard users a real tab stop to scroll from (WCAG 2.1.1 Keyboard) and names the region for
+ * assistive tech. Pair with a `<caption>` and `scope="col"` headers on the table inside — the three
+ * together are the standard responsive-table a11y pattern this app's bare `overflow-x-auto` divs and
+ * caption-less tables were missing.
+ */
+export function TableScroll({
+  label,
+  className,
+  children,
+}: {
+  label: string;
+  className?: string;
+  children: ReactNode;
+}) {
+  return (
+    <div
+      role="region"
+      aria-label={label}
+      tabIndex={0}
+      className={cn("overflow-x-auto focus-ring", className)}
+    >
+      {children}
+    </div>
+  );
+}