diff --git a/app/components/GoogleAnalytics.test.tsx b/app/components/GoogleAnalytics.test.tsx
index 43deb40..1f8c8ee 100644
--- a/app/components/GoogleAnalytics.test.tsx
+++ b/app/components/GoogleAnalytics.test.tsx
@@ -223,4 +223,31 @@ describe("GoogleAnalytics consent", () => {
       ).not.toBeInTheDocument();
     });
   });
+
+  it("reports when revocation cannot be persisted", async () => {
+    const user = userEvent.setup();
+    localStorage.setItem(CONSENT_KEY, "granted");
+    jest.spyOn(Storage.prototype, "setItem").mockImplementation(() => {
+      throw new Error("storage blocked");
+    });
+    render(<GoogleAnalytics />);
+
+    await screen.findByTestId("google-analytics-script");
+    await user.click(
+      screen.getByRole("button", { name: "Preferências de analytics" }),
+    );
+    await user.click(screen.getByRole("button", { name: "Revogar analytics" }));
+
+    expect(
+      screen.getByRole("alert", {
+        name: "Falha ao salvar a revogação",
+      }),
+    ).toHaveTextContent(
+      "Não foi possível salvar a revogação. Tente novamente para concluir.",
+    );
+    expect(analyticsWindow[GA_DISABLE_KEY]).not.toBe(true);
+    expect(
+      screen.getByRole("button", { name: "Revogar analytics" }),
+    ).toBeVisible();
+  });
 });
diff --git a/app/components/GoogleAnalytics.tsx b/app/components/GoogleAnalytics.tsx
index d424d6f..97c8f6a 100644
--- a/app/components/GoogleAnalytics.tsx
+++ b/app/components/GoogleAnalytics.tsx
@@ -98,6 +98,7 @@ const buttonClassName =
 function GoogleAnalyticsConsent() {
   const [consent, setConsent] = useState<AnalyticsConsent | null>();
   const [preferencesOpen, setPreferencesOpen] = useState(false);
+  const [revokeError, setRevokeError] = useState<string | null>(null);
   const configuredRef = useRef(false);
   const preferencesButtonRef = useRef<HTMLButtonElement>(null);
 
@@ -150,7 +151,13 @@ function GoogleAnalyticsConsent() {
   }
 
   function revokeAnalytics() {
-    persistConsent("denied");
+    if (!persistConsent("denied")) {
+      setRevokeError(
+        "Não foi possível salvar a revogação. Tente novamente para concluir.",
+      );
+      return;
+    }
+    setRevokeError(null);
     window[GA_DISABLE_KEY] = true;
     window.gtag?.("consent", "update", deniedConsent);
     expireAnalyticsCookies();
@@ -250,6 +257,15 @@ function GoogleAnalyticsConsent() {
             Analytics está {consent === "granted" ? "ativo" : "desativado"}.
             Dados de publicidade permanecem negados.
           </p>
+          {revokeError && (
+            <p
+              role="alert"
+              aria-label="Falha ao salvar a revogação"
+              className="mt-sp-3 text-[13px] leading-6 text-[var(--slash)]"
+            >
+              {revokeError}
+            </p>
+          )}
           <div className="mt-sp-4 flex flex-wrap gap-sp-2">
             {consent === "granted" ? (
               <button
diff --git a/lib/portfolio-data.load.test.ts b/lib/portfolio-data.load.test.ts
new file mode 100644
index 0000000..024be93
--- /dev/null
+++ b/lib/portfolio-data.load.test.ts
@@ -0,0 +1,216 @@
+jest.mock("node:fs/promises", () => ({
+  readFile: jest.fn(),
+}));
+
+jest.mock("./project-health", () => ({
+  ...jest.requireActual("./project-health"),
+  createProjectHealthSnapshot: jest.fn(),
+}));
+
+import { readFile } from "node:fs/promises";
+import { loadFeaturedProjects, portfolio } from "./portfolio-data";
+import { createProjectHealthSnapshot } from "./project-health";
+
+const featuredIds = portfolio.projects
+  .filter(({ featured }) => featured !== false)
+  .map(({ id }) => id);
+
+describe("loadFeaturedProjects", () => {
+  beforeEach(() => {
+    jest.clearAllMocks();
+    jest.mocked(readFile).mockResolvedValue(
+      JSON.stringify({
+        checkedAt: "2026-07-11T05:31:16.931Z",
+        projects: {},
+      }) as never,
+    );
+    jest
+      .mocked(createProjectHealthSnapshot)
+      .mockRejectedValue(
+        new Error("remote refresh should not run during render"),
+      );
+  });
+
+  it("returns every featured project without network in production", async () => {
+    const nodeEnv = jest.replaceProperty(process.env, "NODE_ENV", "production");
+    jest.mocked(readFile).mockRejectedValueOnce(new Error("missing snapshot"));
+
+    try {
+      const result = await loadFeaturedProjects();
+
+      expect(result.map(({ id }) => id)).toEqual(featuredIds);
+      expect(
+        result.find(({ id }) => id === "sev-modaintima")?.demoAvailability,
+      ).toBe("unknown");
+      expect(createProjectHealthSnapshot).not.toHaveBeenCalled();
+    } finally {
+      nodeEnv.restore();
+    }
+  });
+
+  it("does not refresh an old snapshot in production", async () => {
+    const nodeEnv = jest.replaceProperty(process.env, "NODE_ENV", "production");
+
+    try {
+      const result = await loadFeaturedProjects();
+
+      expect(result.map(({ id }) => id)).toEqual(featuredIds);
+      expect(createProjectHealthSnapshot).not.toHaveBeenCalled();
+    } finally {
+      nodeEnv.restore();
+    }
+  });
+
+  it("refreshes an old snapshot in development", async () => {
+    const nodeEnv = jest.replaceProperty(
+      process.env,
+      "NODE_ENV",
+      "development",
+    );
+    const checkedAt = new Date().toISOString();
+    jest.mocked(createProjectHealthSnapshot).mockResolvedValue({
+      checkedAt,
+      projects: {
+        "sev-modaintima": {
+          status: 200,
+          contentType: "text/html; charset=utf-8",
+          checkedAt,
+        },
+      },
+    });
+
+    try {
+      const result = await loadFeaturedProjects();
+
+      expect(result.map(({ id }) => id)).toEqual(featuredIds);
+      expect(
+        result.find(({ id }) => id === "sev-modaintima")?.demoAvailability,
+      ).toBe("available");
+      expect(createProjectHealthSnapshot).toHaveBeenCalledTimes(1);
+      expect(createProjectHealthSnapshot).toHaveBeenCalledWith(
+        expect.arrayContaining([
+          expect.objectContaining({
+            id: "sev-modaintima",
+            demoUrl: "https://sevmodaintima.com.br",
+          }),
+        ]),
+      );
+    } finally {
+      nodeEnv.restore();
+    }
+  });
+
+  it("does not refresh a fresh snapshot in development", async () => {
+    const nodeEnv = jest.replaceProperty(
+      process.env,
+      "NODE_ENV",
+      "development",
+    );
+    const checkedAt = new Date().toISOString();
+    jest.mocked(readFile).mockResolvedValueOnce(
+      JSON.stringify({
+        checkedAt,
+        projects: {
+          "sev-modaintima": {
+            status: 200,
+            contentType: "text/html",
+            checkedAt,
+          },
+        },
+      }) as never,
+    );
+
+    try {
+      const result = await loadFeaturedProjects();
+
+      expect(
+        result.find(({ id }) => id === "sev-modaintima")?.demoAvailability,
+      ).toBe("available");
+      expect(createProjectHealthSnapshot).not.toHaveBeenCalled();
+    } finally {
+      nodeEnv.restore();
+    }
+  });
+
+  it("refreshes a missing snapshot in development", async () => {
+    const nodeEnv = jest.replaceProperty(
+      process.env,
+      "NODE_ENV",
+      "development",
+    );
+    const checkedAt = new Date().toISOString();
+    jest.mocked(readFile).mockRejectedValueOnce(new Error("missing snapshot"));
+    jest.mocked(createProjectHealthSnapshot).mockResolvedValue({
+      checkedAt,
+      projects: {
+        "sev-modaintima": {
+          status: 200,
+          contentType: "text/html",
+          checkedAt,
+        },
+      },
+    });
+
+    try {
+      const result = await loadFeaturedProjects();
+
+      expect(result.map(({ id }) => id)).toEqual(featuredIds);
+      expect(createProjectHealthSnapshot).toHaveBeenCalledTimes(1);
+    } finally {
+      nodeEnv.restore();
+    }
+  });
+
+  it("preserves prior observations when refreshed checks fail", async () => {
+    const nodeEnv = jest.replaceProperty(
+      process.env,
+      "NODE_ENV",
+      "development",
+    );
+    const refreshedAt = new Date().toISOString();
+    jest.mocked(readFile).mockResolvedValueOnce(
+      JSON.stringify({
+        checkedAt: "2020-01-01T00:00:00.000Z",
+        projects: {
+          "sev-modaintima": {
+            status: 200,
+            contentType: "text/html",
+            checkedAt: "2020-01-01T00:00:00.000Z",
+          },
+        },
+      }) as never,
+    );
+    jest.mocked(createProjectHealthSnapshot).mockResolvedValue({
+      checkedAt: refreshedAt,
+      projects: {
+        "sev-modaintima": {
+          status: null,
+          contentType: null,
+          checkedAt: refreshedAt,
+          error: "network unavailable",
+        },
+        "twins-lab": {
+          status: null,
+          contentType: null,
+          checkedAt: refreshedAt,
+          error: "network unavailable",
+        },
+      },
+    });
+
+    try {
+      const result = await loadFeaturedProjects();
+      const previous = result.find(({ id }) => id === "sev-modaintima");
+      const unknown = result.find(({ id }) => id === "twins-lab");
+
+      expect(result.map(({ id }) => id)).toEqual(featuredIds);
+      expect(previous?.demoAvailability).toBe("available");
+      expect(previous?.demoCheckedAt).toBe("2020-01-01T00:00:00.000Z");
+      expect(unknown?.demoAvailability).toBe("unknown");
+      expect(unknown?.demoCheckedAt).toBeNull();
+      expect(createProjectHealthSnapshot).toHaveBeenCalledTimes(1);
+    } finally {
+      nodeEnv.restore();
+    }
+  });
+});
diff --git a/lib/portfolio-data.ts b/lib/portfolio-data.ts
index 8f1d99e..260a889 100644
--- a/lib/portfolio-data.ts
+++ b/lib/portfolio-data.ts
@@ -3,7 +3,9 @@ import { resolve } from "node:path";
 import portfolioData from "@/public/portfolio-data.json";
 import {
   createProjectHealthSnapshot,
-  filterLiveProjects,
+  type DemoAvailability,
+  getDemoAvailability,
+  PROJECT_HEALTH_MAX_AGE_MS,
   type ProjectHealthSnapshot,
 } from "./project-health";
 
@@ -13,16 +15,37 @@ export type PortfolioExperience = PortfolioData["experiences"][number];
 export type PortfolioSkillCategory =
   PortfolioData["skills"]["technical"][number];
 
+export type PortfolioProjectView = PortfolioProject & {
+  demoAvailability: DemoAvailability;
+  demoCheckedAt: string | null;
+};
+
 export const portfolio = portfolioData;
 
-export function getLiveFeaturedProjects(
+export function getFeaturedProjects(
+  snapshot: ProjectHealthSnapshot | null,
+): PortfolioProjectView[] {
+  return portfolio.projects
+    .filter(({ featured }) => featured !== false)
+    .map((project) => {
+      const check = snapshot?.projects[project.id];
+      return {
+        ...project,
+        demoAvailability: getDemoAvailability(project.demoUrl, check),
+        demoCheckedAt: check?.checkedAt ?? null,
+      };
+    });
+}
+
+function isSnapshotFresh(
   snapshot: ProjectHealthSnapshot | null,
   now = new Date(),
 ) {
-  return filterLiveProjects<PortfolioProject>(
-    portfolio.projects,
-    snapshot,
-    now,
+  if (!snapshot) return false;
+  const checkedAt = Date.parse(snapshot.checkedAt);
+  return (
+    Number.isFinite(checkedAt) &&
+    now.getTime() - checkedAt <= PROJECT_HEALTH_MAX_AGE_MS
   );
 }
 
@@ -35,16 +58,36 @@ export async function loadProjectHealthSnapshot(): Promise<ProjectHealthSnapshot
   }
 }
 
-export async function loadLiveFeaturedProjects() {
-  const fromSnapshot = getLiveFeaturedProjects(await loadProjectHealthSnapshot());
-  if (fromSnapshot.length > 0) return fromSnapshot;
+export async function loadFeaturedProjects(): Promise<PortfolioProjectView[]> {
+  const snapshot = await loadProjectHealthSnapshot();
+  if (process.env.NODE_ENV !== "development" || isSnapshotFresh(snapshot)) {
+    return getFeaturedProjects(snapshot);
+  }
 
   const projectDemos = portfolio.projects.reduce<
     Array<{ id: string; demoUrl: string }>
   >((demos, project) => {
-    if (project.demoUrl) demos.push({ id: project.id, demoUrl: project.demoUrl });
+    if (project.demoUrl)
+      demos.push({ id: project.id, demoUrl: project.demoUrl });
     return demos;
   }, []);
-  const freshSnapshot = await createProjectHealthSnapshot(projectDemos);
-  return getLiveFeaturedProjects(freshSnapshot);
+
+  try {
+    const refreshed = await createProjectHealthSnapshot(projectDemos);
+    const projects = { ...refreshed.projects };
+
+    for (const [id, check] of Object.entries(projects)) {
+      if (!check.error && check.status !== null) continue;
+      const previous = snapshot?.projects[id];
+      if (previous && !previous.error && previous.status !== null) {
+        projects[id] = previous;
+      } else {
+        delete projects[id];
+      }
+    }
+
+    return getFeaturedProjects({ ...refreshed, projects });
+  } catch {
+    return getFeaturedProjects(snapshot);
+  }
 }