diff --git a/src/application-globals.rkt b/src/application-globals.rkt
index 5884804..0d6b3dd 100644
--- a/src/application-globals.rkt
+++ b/src/application-globals.rkt
@@ -164,7 +164,8 @@
          #:siteinfo [siteinfo-in #f]
          #:user-cookies [user-cookies-in #f]
          #:online-styles [online-styles #t]
-         #:path [path-in #f])
+         #:path [path-in #f]
+         #:jsonp [jsonp-in #f])
   (define siteinfo (or siteinfo-in siteinfo-default))
   (define head-data (or head-data-in ((head-data-getter wikiname))))
   (define user-cookies (or user-cookies-in (user-cookies-getter req)))
@@ -200,12 +201,14 @@
       (script "const BWData = "
               ,(jsexpr->string (hasheq 'wikiname wikiname
                                        'strict_proxy (config-true? 'strict_proxy)
-                                       'path path)))
+                                       'path path
+                                       'jsonp jsonp-in)))
+      (script (@ (type "importmap")) ,importmap)
       ,(if (config-true? 'feature_search_suggestions)
            `(script (@ (type "module") (src ,(get-static-url "search-suggestions.js"))))
            "")
       (script (@ (type "module") (src ,(get-static-url "countdown.js"))))
-      (script (@ (defer) (src ,(get-static-url "tabs.js"))))
+      (script (@ (type "module") (src ,(get-static-url "tabs.js"))))
       (link (@ (rel "icon") (href ,(u (λ (v) (config-true? 'strict_proxy))
                                       (λ (v) (u-proxy-url v))
                                       (head-data^-icon-url head-data))))))
diff --git a/src/page-wiki-jsonp.rkt b/src/page-wiki-jsonp.rkt
index 0c7918c..ada846e 100644
--- a/src/page-wiki-jsonp.rkt
+++ b/src/page-wiki-jsonp.rkt
@@ -61,7 +61,8 @@ END
       #:wikiname wikiname
       #:title (url-segments->guess-title segments)
       #:siteinfo siteinfo-default
-      #:path path))
+      #:path path
+      #:jsonp #t))
    (when (config-true? 'debug)
      (xexp->html body))
    (response/output
diff --git a/src/static-data.rkt b/src/static-data.rkt
index 1255ca5..ec7eede 100644
--- a/src/static-data.rkt
+++ b/src/static-data.rkt
@@ -1,16 +1,20 @@
 #lang typed/racket/base
 (require racket/path
          racket/runtime-path
-         racket/string)
+         racket/string
+         typed/json)
 
 (provide
  get-static-url
+ importmap
  link-header)
 
 (define-runtime-path path-static "../static")
 
 (define static-data
-  (for/hash : (Immutable-HashTable Path Nonnegative-Integer)([f (directory-list path-static)])
+  (for/hash : (Immutable-HashTable Path Nonnegative-Integer)
+            ([f (directory-list path-static)]
+             #:when (not (regexp-match? #rx"^.#|^#|~$" (path->string f))))
     (define built (simple-form-path (build-path path-static f)))
     (values built (file-or-directory-modify-seconds built))))
 
@@ -21,12 +25,21 @@
                                          (build-path path-static path-or-filename))))
   (format "/static/~a?t=~a" (file-name-from-path the-path) (hash-ref static-data the-path)))
 
+(: importmap String)
+(define importmap
+  (jsexpr->string
+   `#hasheq((imports . ,(for/hasheq : (Immutable-HashTable Symbol String)
+                                    ([(k v) (in-hash static-data)]
+                                     #:when (equal? (path-get-extension k) #".js"))
+                          (values (string->symbol (path->string (path-replace-extension (assert (file-name-from-path k) path?) #"")))
+                                  (get-static-url k)))))))
+
 ; https://developer.mozilla.org/en-US/docs/Web/HTML/Link_types/preload
 (: link-header String)
 (define link-header
-  (let* ([with-t '(("main.css" "as=style"))]
-         [without-t '(("preact.js" "as=script")
-                      ("source-sans-pro-v21-vietnamese_latin-ext_latin_greek-ext_greek_cyrillic-ext_cyrillic-regular.woff2" "as=font" "crossorigin" "type=font/woff2"))]
+  (let* ([with-t '(("main.css" "as=style")
+                   ("preact.js" "as=script"))]
+         [without-t '(("source-sans-pro-v21-vietnamese_latin-ext_latin_greek-ext_greek_cyrillic-ext_cyrillic-regular.woff2" "as=font" "crossorigin" "type=font/woff2"))]
          [with-t-full (map (λ ([path : (Listof String)]) (cons (get-static-url (car path)) (cdr path))) with-t)]
          [without-t-full (map (λ ([path : (Listof String)]) (cons (format "/static/~a" (car path)) (cdr path))) without-t)]
          [all (append with-t-full without-t-full)]
diff --git a/static/countdown.js b/static/countdown.js
index ad8d0be..92b9c06 100644
--- a/static/countdown.js
+++ b/static/countdown.js
@@ -2,7 +2,7 @@
 // sample: bandori/wiki/BanG_Dream!_Wikia
 // sample: ensemble-stars/wiki/The_English_Ensemble_Stars_Wiki
 
-import {h, htm, render, signal, computed, effect} from "./preact.js"
+import {h, htm, render, signal, computed, effect} from "preact"
 const html = htm.bind(h)
 
 const now = signal(Date.now())
diff --git a/static/jsonp.js b/static/jsonp.js
index 851f86e..a183b0f 100644
--- a/static/jsonp.js
+++ b/static/jsonp.js
@@ -1,6 +1,11 @@
-import {h, htm, render, signal, computed, effect} from "./preact.js"
+import {h, htm, render, signal, computed, effect} from "preact"
 const html = htm.bind(h)
 
+// *** Status
+
+const loaded = signal(false)
+export {loaded}
+
 // *** Loading indicator
 
 render(html`Loading, please wait...`, document.getElementById("loading"))
@@ -69,6 +74,7 @@ async function cont() {
 		if (redirectTo) {
 			redirectTo.click()
 		}
+		loaded.value = true
 	})
 
 	xhr.open("POST", "/api/render/wiki")
diff --git a/static/search-suggestions.js b/static/search-suggestions.js
index e0a32d6..ddd2927 100644
--- a/static/search-suggestions.js
+++ b/static/search-suggestions.js
@@ -1,4 +1,4 @@
-import {h, htm, render, signal, computed, effect} from "./preact.js"
+import {h, htm, render, signal, computed, effect} from "preact"
 const html = htm.bind(h)
 const classNames = classArr => classArr.filter(el => el).join(" ")
 
diff --git a/static/tabs.js b/static/tabs.js
index 718b48e..bbf5d2a 100644
--- a/static/tabs.js
+++ b/static/tabs.js
@@ -1,19 +1,22 @@
-"use strict";
+import {effect} from "preact"
+import {loaded} from "jsonp"
 
 const tabFromHash = location.hash.length > 1 ? location.hash.substring(1) : null
 
-for (const tabber of document.body.querySelectorAll(".wds-tabber")) {
-	for (const [tab, content] of getTabberTabs(tabber)) {
-		// set up click listener on every tab
-		tab.addEventListener("click", e => {
-			setCurrentTab(tabber, tab, content)
-			e.preventDefault()
-		})
+function setUpAllTabs() {
+	for (const tabber of document.body.querySelectorAll(".wds-tabber")) {
+		for (const [tab, content] of getTabberTabs(tabber)) {
+			// set up click listener on every tab
+			tab.addEventListener("click", e => {
+				setCurrentTab(tabber, tab, content)
+				e.preventDefault()
+			})
 
-		// re-open a specific tab on page load based on the URL hash
-		if (tab.dataset.hash === tabFromHash) {
-			setCurrentTab(tabber, tab, content)
-			tab.scrollIntoView()
+			// re-open a specific tab on page load based on the URL hash
+			if (tab.dataset.hash === tabFromHash) {
+				setCurrentTab(tabber, tab, content)
+				tab.scrollIntoView()
+			}
 		}
 	}
 }
@@ -37,4 +40,16 @@ function setCurrentTab(tabber, tab, content) {
 	}
 }
 
+if (!BWData.jsonp) {
+	setUpAllTabs()
+} else if (loaded.value) {
+	setUpAllTabs()
+} else {
+	effect(() => {
+		if (loaded.value) {
+			setUpAllTabs()
+		}
+	})
+}
+
 document.body.classList.remove("bw-tabs-nojs")