diff --git a/web/src/components/badge-cloud.tsx b/web/src/components/badge-cloud.tsx
new file mode 100644
index 000000000..566071a63
--- /dev/null
+++ b/web/src/components/badge-cloud.tsx
@@ -0,0 +1,62 @@
+"use client";
+
+import { Badge } from "@/components/ui/badge";
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipProvider,
+  TooltipTrigger,
+} from "@/components/ui/tooltip";
+
+interface BadgeItem {
+  key: number;
+  value: string;
+  tooltip?: string;
+  href?: string;
+}
+
+interface BadgeCloudProps {
+  items: readonly BadgeItem[];
+}
+
+const BadgeElement = ({ item }: { item: BadgeItem }) => {
+  const badge = <Badge variant="secondary">{item.value}</Badge>;
+
+  return item.href ? (
+    <a
+      href={item.href}
+      target="_blank"
+      rel="noopener noreferrer"
+      aria-label={item.tooltip ?? `View ${item.value}'s homepage`}
+    >
+      {badge}
+    </a>
+  ) : (
+    badge
+  );
+};
+
+export function BadgeCloud({ items }: BadgeCloudProps) {
+  const hasTooltips = items.some((item) => item.tooltip || item.href);
+
+  const badges = items.map((item) =>
+    item.tooltip || item.href ? (
+      <Tooltip key={item.key}>
+        <TooltipTrigger>
+          <BadgeElement item={item} />
+        </TooltipTrigger>
+        <TooltipContent>
+          <p>{item.tooltip ?? `View ${item.value}'s homepage`}</p>
+        </TooltipContent>
+      </Tooltip>
+    ) : (
+      <BadgeElement key={item.key} item={item} />
+    ),
+  );
+
+  return (
+    <div className="flex flex-wrap gap-1">
+      {hasTooltips ? <TooltipProvider>{badges}</TooltipProvider> : badges}
+    </div>
+  );
+}
diff --git a/web/src/components/filterlist-table/columns.tsx b/web/src/components/filterlist-table/columns.tsx
index 7fb61d2b0..472e28e72 100644
--- a/web/src/components/filterlist-table/columns.tsx
+++ b/web/src/components/filterlist-table/columns.tsx
@@ -1,9 +1,9 @@
 "use client";
 
-import { FilterList } from "@/services/get-filterlists";
 import { createColumnHelper } from "@tanstack/react-table";
 import { FilterListsTableMeta } from ".";
-import { LanguageBadges } from "./language-badges";
+import { BadgeCloud } from "@/components/badge-cloud";
+import { FilterList } from "@/services/get-filterlists";
 
 const columnHelper = createColumnHelper<FilterList>();
 
@@ -19,11 +19,19 @@ export const columns = [
     cell: (info) => {
       const meta = info.table.options.meta as FilterListsTableMeta;
       const languages =
-        info
-          .getValue()
-          ?.flatMap((id) => meta.languages.find((l) => l.id === id) || []) ??
-        [];
-      return <LanguageBadges languages={languages} />;
+        info.getValue()?.flatMap((id) => {
+          const language = meta.languages.find((l) => l.id === id);
+          return language
+            ? [
+                {
+                  key: language.id,
+                  value: language.iso6391,
+                  tooltip: language.name,
+                },
+              ]
+            : [];
+        }) ?? [];
+      return <BadgeCloud items={languages} />;
     },
   }),
   columnHelper.accessor((row) => row.licenseId, {
@@ -31,7 +39,17 @@ export const columns = [
     cell: (info) => {
       const meta = info.table.options.meta as FilterListsTableMeta;
       const license = meta.licenses.find((l) => l.id === info.getValue());
-      return license?.name;
+      return license ? (
+        <BadgeCloud
+          items={[
+            {
+              key: license.id,
+              value: license.name,
+              href: license.url ?? undefined,
+            },
+          ]}
+        />
+      ) : null;
     },
   }),
 ];
diff --git a/web/src/components/filterlist-table/index.tsx b/web/src/components/filterlist-table/index.tsx
index 3faca8c3c..d10b9ee6c 100644
--- a/web/src/components/filterlist-table/index.tsx
+++ b/web/src/components/filterlist-table/index.tsx
@@ -28,19 +28,19 @@ import { Syntax } from "@/services/get-syntaxes";
 import { Tag } from "@/services/get-tags";
 
 export interface FilterListsTableMeta extends TableMeta<FilterList> {
-  languages: Language[];
-  licenses: License[];
+  languages: readonly Language[];
+  licenses: readonly License[];
 }
 
 interface FilterListTableProps {
   columns: typeof columns;
   initialFilterLists: FilterList[];
-  languages: Language[];
-  licenses: License[];
-  maintainers: Maintainer[];
-  software: Software[];
-  syntaxes: Syntax[];
-  tags: Tag[];
+  languages: readonly Language[];
+  licenses: readonly License[];
+  maintainers: readonly Maintainer[];
+  software: readonly Software[];
+  syntaxes: readonly Syntax[];
+  tags: readonly Tag[];
 }
 
 export function FilterListTable({
diff --git a/web/src/components/filterlist-table/language-badges.tsx b/web/src/components/filterlist-table/language-badges.tsx
deleted file mode 100644
index 93d1c72cc..000000000
--- a/web/src/components/filterlist-table/language-badges.tsx
+++ /dev/null
@@ -1,33 +0,0 @@
-"use client";
-
-import { Badge } from "@/components/ui/badge";
-import {
-  Tooltip,
-  TooltipContent,
-  TooltipProvider,
-  TooltipTrigger,
-} from "@/components/ui/tooltip";
-import { Language } from "@/services/get-languages";
-
-interface LanguageBadgesProps {
-  languages: Language[];
-}
-
-export function LanguageBadges({ languages }: LanguageBadgesProps) {
-  return (
-    <div className="flex flex-wrap gap-1">
-      <TooltipProvider>
-        {languages.map((language) => (
-          <Tooltip key={language.id}>
-            <TooltipTrigger>
-              <Badge variant="secondary">{language.iso6391}</Badge>
-            </TooltipTrigger>
-            <TooltipContent>
-              <p>{language.name}</p>
-            </TooltipContent>
-          </Tooltip>
-        ))}
-      </TooltipProvider>
-    </div>
-  );
-}
diff --git a/web/src/services/get-filterlist-details.ts b/web/src/services/get-filterlist-details.ts
index b5795a1b0..32dc7b5bf 100644
--- a/web/src/services/get-filterlist-details.ts
+++ b/web/src/services/get-filterlist-details.ts
@@ -11,10 +11,10 @@ export type FilterListDetails = {
   name: string;
   description: string | null;
   licenseId: number;
-  syntaxIds: number[] | null;
-  languageIds: number[] | null;
-  tagIds: number[] | null;
-  viewUrls: ViewUrl[] | null;
+  syntaxIds: readonly number[] | null;
+  languageIds: readonly number[] | null;
+  tagIds: readonly number[] | null;
+  viewUrls: readonly ViewUrl[] | null;
   homeUrl: string | null;
   onionUrl: string | null;
   policyUrl: string | null;
@@ -24,13 +24,13 @@ export type FilterListDetails = {
   chatUrl: string | null;
   emailAddress: string | null;
   donateUrl: string | null;
-  maintainerIds: number[] | null;
-  upstreamFilterListIds: number[] | null;
-  forkFilterListIds: number[] | null;
-  includedInFilterListIds: number[] | null;
-  includesFilterListIds: number[] | null;
-  dependencyFilterListIds: number[] | null;
-  dependentFilterListIds: number[] | null;
+  maintainerIds: readonly number[] | null;
+  upstreamFilterListIds: readonly number[] | null;
+  forkFilterListIds: readonly number[] | null;
+  includedInFilterListIds: readonly number[] | null;
+  includesFilterListIds: readonly number[] | null;
+  dependencyFilterListIds: readonly number[] | null;
+  dependentFilterListIds: readonly number[] | null;
 };
 
 export async function getFilterListDetails(
diff --git a/web/src/services/get-filterlists.ts b/web/src/services/get-filterlists.ts
index e98fc9bbd..27dbf0f62 100644
--- a/web/src/services/get-filterlists.ts
+++ b/web/src/services/get-filterlists.ts
@@ -5,11 +5,11 @@ export type FilterList = {
   name: string;
   description: string | null;
   licenseId: number;
-  syntaxIds: number[];
-  languageIds: number[];
-  tagIds: number[];
+  syntaxIds: readonly number[];
+  languageIds: readonly number[];
+  tagIds: readonly number[];
   primaryViewUrl: string | null;
-  maintainerIds: number[];
+  maintainerIds: readonly number[];
 };
 
 export async function getFilterLists(): Promise<FilterList[]> {
diff --git a/web/src/services/get-languages.ts b/web/src/services/get-languages.ts
index 25a6d2a6f..b3d570027 100644
--- a/web/src/services/get-languages.ts
+++ b/web/src/services/get-languages.ts
@@ -4,7 +4,7 @@ export type Language = {
   id: number;
   iso6391: string;
   name: string;
-  filterListIds: number[]; // TODO: are these needed, or can we remove them from the API?
+  filterListIds: readonly number[]; // TODO: are these needed, or can we remove them from the API?
 };
 
 export async function getLanguages(): Promise<Language[]> {
diff --git a/web/src/services/get-licenses.ts b/web/src/services/get-licenses.ts
index 765d12cab..bb91df2e4 100644
--- a/web/src/services/get-licenses.ts
+++ b/web/src/services/get-licenses.ts
@@ -2,12 +2,12 @@ import { API_BASE_URL, DEFAULT_REVALIDATE_SECS } from "./constants";
 
 export type License = {
   id: number;
-  name: string | null;
+  name: string;
   url: string | null;
   permitsModification: boolean;
   permitsDistribution: boolean;
   permitsCommercialUse: boolean;
-  filterListIds: number[] | null;
+  filterListIds: readonly number[] | null; // TODO: are these needed, or can we remove them from the API?
 };
 
 export async function getLicenses(): Promise<License[]> {
diff --git a/web/src/services/get-maintainers.ts b/web/src/services/get-maintainers.ts
index 2b392d44b..3a6fe3bbf 100644
--- a/web/src/services/get-maintainers.ts
+++ b/web/src/services/get-maintainers.ts
@@ -6,7 +6,7 @@ export type Maintainer = {
   url: string | null;
   emailAddress: string | null;
   twitterHandle: string | null;
-  filterListIds: number[] | null;
+  filterListIds: readonly number[] | null;
 };
 
 export async function getMaintainers(): Promise<Maintainer[]> {
diff --git a/web/src/services/get-software.ts b/web/src/services/get-software.ts
index ce21b7e9c..9cdb775c1 100644
--- a/web/src/services/get-software.ts
+++ b/web/src/services/get-software.ts
@@ -7,7 +7,7 @@ export type Software = {
   homeUrl: string | null;
   downloadUrl: string | null;
   supportsAbpUrlScheme: boolean;
-  syntaxIds: number[] | null;
+  syntaxIds: readonly number[] | null;
 };
 
 export async function getSoftware(): Promise<Software[]> {
diff --git a/web/src/services/get-syntaxes.ts b/web/src/services/get-syntaxes.ts
index 35d8b5a39..8daaa558b 100644
--- a/web/src/services/get-syntaxes.ts
+++ b/web/src/services/get-syntaxes.ts
@@ -5,8 +5,8 @@ export type Syntax = {
   name: string | null;
   description: string | null;
   url: string | null;
-  filterListIds: number[] | null;
-  softwareIds: number[] | null;
+  filterListIds: readonly number[] | null;
+  softwareIds: readonly number[] | null;
 };
 
 export async function getSyntaxes(): Promise<Syntax[]> {
diff --git a/web/src/services/get-tags.ts b/web/src/services/get-tags.ts
index a2be5d5da..e8a17348f 100644
--- a/web/src/services/get-tags.ts
+++ b/web/src/services/get-tags.ts
@@ -4,7 +4,7 @@ export type Tag = {
   id: number;
   name: string | null;
   description: string | null;
-  filterListIds: number[] | null;
+  filterListIds: readonly number[] | null;
 };
 
 export async function getTags(): Promise<Tag[]> {