diff --git a/frontend/src/uxbox/main.cljs b/frontend/src/uxbox/main.cljs
index 54b688651..552c10b8d 100644
--- a/frontend/src/uxbox/main.cljs
+++ b/frontend/src/uxbox/main.cljs
@@ -67,7 +67,7 @@
     (add-watch html-history/path ::main #(on-navigate router %4))
 
     (when (:auth storage)
-      (st/emit! (udu/fetch-profile)))
+      (st/emit! udu/fetch-profile))
 
     (mf/mount (mf/element ui/app) (dom/get-element "app"))
     (mf/mount (lightbox) (dom/get-element "lightbox"))
diff --git a/frontend/src/uxbox/main/data/auth.cljs b/frontend/src/uxbox/main/data/auth.cljs
index 591d1513d..a6d80b6c4 100644
--- a/frontend/src/uxbox/main/data/auth.cljs
+++ b/frontend/src/uxbox/main/data/auth.cljs
@@ -25,8 +25,6 @@
 
 ;; --- Logged In
 
-;; TODO: add spec
-
 (defn logged-in
   [data]
   (reify
@@ -40,7 +38,7 @@
     ptk/WatchEvent
     (watch [this state s]
       (swap! storage assoc :auth data)
-      (rx/of (du/fetch-profile)
+      (rx/of du/fetch-profile
              (rt/navigate :dashboard/projects)))))
 
 (defn logged-in?
diff --git a/frontend/src/uxbox/main/data/pages.cljs b/frontend/src/uxbox/main/data/pages.cljs
index 8c85f7cf7..2b79fcfea 100644
--- a/frontend/src/uxbox/main/data/pages.cljs
+++ b/frontend/src/uxbox/main/data/pages.cljs
@@ -139,46 +139,44 @@
   [state id]
   (update state :packed-pages dissoc id))
 
-
-
 ;; --- Pages Fetched
 
-(deftype PagesFetched [id pages]
-  IDeref
-  (-deref [_] (list id pages))
-
-  ptk/UpdateEvent
-  (update [_ state]
-    (let [get-order #(get-in % [:metadata :order])
-          pages (sort-by get-order pages)
-          page-ids (into [] (map :id) pages)]
-    (as-> state $
-      (assoc-in $ [:projects id :pages] page-ids)
-      (reduce unpack-page $ pages)
-      (reduce assoc-packed-page $ pages)))))
-
 (defn pages-fetched
   [id pages]
-  {:pre [(uuid? id) (coll? pages)]}
-  (PagesFetched. id pages))
+  (s/assert ::us/uuid id)
+  (s/assert ::us/coll pages)
+  (reify
+    IDeref
+    (-deref [_] (list id pages))
+
+    ptk/EventType
+    (type [_] ::page-fetched)
+
+    ptk/UpdateEvent
+    (update [_ state]
+      (let [get-order #(get-in % [:metadata :order])
+            pages (sort-by get-order pages)
+            page-ids (into [] (map :id) pages)]
+        (as-> state $
+          (assoc-in $ [:projects id :pages] page-ids)
+          (reduce unpack-page $ pages)
+          (reduce assoc-packed-page $ pages))))))
 
 (defn pages-fetched?
   [v]
-  (instance? PagesFetched v))
+  (= ::page-fetched (ptk/type v)))
 
 ;; --- Fetch Pages (by project id)
 
-(deftype FetchPages [id]
-  ptk/WatchEvent
-  (watch [_ state s]
-    (->> (rp/req :fetch/pages-by-project {:project id})
-         (rx/map :payload)
-         (rx/map #(pages-fetched id %)))))
-
 (defn fetch-pages
   [id]
-  {:pre [(uuid? id)]}
-  (FetchPages. id))
+  (s/assert ::us/uuid id)
+  (reify
+    ptk/WatchEvent
+    (watch [_ state s]
+      (->> (rp/req :fetch/pages-by-project {:project id})
+           (rx/map :payload)
+           (rx/map #(pages-fetched id %))))))
 
 ;; --- Page Created
 
@@ -189,7 +187,7 @@
 
 (defn page-created
   [data]
-  (s/assert ::page-created-event data)
+  (s/assert ::page-created-params data)
   (reify
     ptk/UpdateEvent
     (update [_ state]
@@ -203,14 +201,14 @@
     (watch [_ state stream]
       (rx/of (rehash-pages (:project data))))))
 
-;; --- Create Page
+;; --- Create Page Form
 
-(s/def ::created-page-params
+(s/def ::form-created-page-params
   (s/keys :req-un [::name ::project ::width ::height]))
 
-(defn create-page
+(defn form->create-page
   [{:keys [name project width height layout] :as data}]
-  (s/assert ::created-page-params data)
+  (s/assert ::form-created-page-params data)
   (reify
     ptk/WatchEvent
     (watch [this state s]
@@ -232,6 +230,25 @@
              (rx/map :payload)
              (rx/map page-created))))))
 
+;; --- Update Page Form
+
+(s/def ::form-update-page-params
+  (s/keys :req-un [::id ::name ::width ::height]))
+
+(defn form->update-page
+  [{:keys [id name width height] :as data}]
+  (s/assert ::form-update-page-params data)
+  (reify
+    IPageUpdate
+    ptk/UpdateEvent
+    (update [_ state]
+      (update-in state [:pages id]
+                 (fn [page]
+                   (-> (assoc page :name name)
+                       (assoc-in [:name] name)
+                       (assoc-in [:metadata :width] width)
+                       (assoc-in [:metadata :height] height)))))))
+
 ;; --- Page Persisted
 
 (defn page-persisted
@@ -321,10 +338,9 @@
 
 ;; --- Update Page
 
-(defn update-page
-  [id data]
+(defn update-page-attrs
+  [{:keys [id] :as data}]
   (s/assert ::page-entity data)
-  (s/assert ::id id)
   (reify
     IPageUpdate
     ptk/UpdateEvent
@@ -381,27 +397,6 @@
             pages (vec (concat before [page-id] after))]
         (assoc-in state [:projects project-id :pages] pages)))))
 
-;; --- Persist Page Form
-;;
-;; A specialized event for persist data
-;; from the update page form.
-
-(s/def ::persist-page-update-form-params
-  (s/keys :req-un [::id ::name ::width ::height]))
-
-(defn persist-page-update-form
-  [{:keys [id name width height] :as data}]
-  (s/assert ::persist-page-update-form-params data)
-  (reify
-    ptk/UpdateEvent
-    (update [_ state]
-      (update-in state [:pages id]
-                 (fn [page]
-                   (-> (assoc page :name name)
-                       (assoc-in [:name] name)
-                       (assoc-in [:metadata :width] width)
-                       (assoc-in [:metadata :height] height)))))))
-
 ;; --- Delete Page (by id)
 
 (defn delete-page
@@ -419,31 +414,28 @@
 
 ;; --- Watch Page Changes
 
-(deftype WatchPageChanges [id]
-  ptk/WatchEvent
-  (watch [_ state stream]
-    (let [stopper (->> stream
-                       (rx/filter #(= % ::stop-page-watcher))
-                       (rx/take 1))]
-      (rx/merge
-       (->> stream
-            (rx/filter #(or (satisfies? IPageUpdate %)
-                            (= ::page-update %)))
-            (rx/take-until stopper)
-            (rx/debounce 1000)
-            (rx/mapcat #(rx/merge (rx/of (persist-page id))
-                                  (->> (rx/filter page-persisted? stream)
-                                       (rx/take 1)
-                                       (rx/ignore)))))
-       (->> stream
-            (rx/filter #(satisfies? IMetadataUpdate %))
-            (rx/take-until stopper)
-            (rx/debounce 1000)
-            (rx/mapcat #(rx/merge (rx/of (persist-metadata id))
-                                  (->> (rx/filter metadata-persisted? stream)
-                                       (rx/take 1)
-                                       (rx/ignore)))))))))
-
 (defn watch-page-changes
   [id]
-  (WatchPageChanges. id))
+  (s/assert ::us/uuid id)
+  (reify
+    ptk/WatchEvent
+    (watch [_ state stream]
+      (let [stopper (rx/filter #(= % ::stop-page-watcher) stream)]
+        (->> (rx/merge
+              (->> stream
+                   (rx/filter #(or (satisfies? IPageUpdate %)
+                                   (= ::page-update %)))
+                   (rx/debounce 1000)
+                   (rx/mapcat #(rx/merge (rx/of (persist-page id))
+                                         (->> (rx/filter page-persisted? stream)
+                                              (rx/take 1)
+                                              (rx/ignore)))))
+              (->> stream
+                   (rx/filter #(satisfies? IMetadataUpdate %))
+                   (rx/debounce 1000)
+                   (rx/mapcat #(rx/merge (rx/of (persist-metadata id))
+                                         (->> (rx/filter metadata-persisted? stream)
+                                              (rx/take 1)
+                                              (rx/ignore))))))
+             (rx/take-until stopper))))))
+
diff --git a/frontend/src/uxbox/main/data/projects.cljs b/frontend/src/uxbox/main/data/projects.cljs
index 9d4bb03a3..d6cb20b59 100644
--- a/frontend/src/uxbox/main/data/projects.cljs
+++ b/frontend/src/uxbox/main/data/projects.cljs
@@ -173,7 +173,7 @@
            (rx/map :payload)
            (rx/mapcat (fn [{:keys [id] :as project}]
                         (rx/of #(assoc-project % project)
-                               (udp/create-page (assoc params :project id)))))))))
+                               (udp/form->create-page (assoc params :project id)))))))))
 
 ;; --- Go To Project
 
diff --git a/frontend/src/uxbox/main/data/users.cljs b/frontend/src/uxbox/main/data/users.cljs
index 93919375f..c5290e555 100644
--- a/frontend/src/uxbox/main/data/users.cljs
+++ b/frontend/src/uxbox/main/data/users.cljs
@@ -2,7 +2,7 @@
 ;; License, v. 2.0. If a copy of the MPL was not distributed with this
 ;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
 ;;
-;; Copyright (c) 2016 Andrey Antukh <niwi@niwi.nz>
+;; Copyright (c) 2016-2019 Andrey Antukh <niwi@niwi.nz>
 
 (ns uxbox.main.data.users
   (:require
@@ -15,62 +15,64 @@
    [uxbox.util.spec :as us]
    [uxbox.util.storage :refer [storage]]))
 
+;; --- Common Specs
+
+(s/def ::id uuid?)
+(s/def ::username string?)
+(s/def ::fullname string?)
+(s/def ::email ::us/email)
+(s/def ::password string?)
+(s/def ::language string?)
+(s/def ::photo string?)
+(s/def ::created-at inst?)
+(s/def ::password-1 string?)
+(s/def ::password-2 string?)
+(s/def ::password-old string?)
+
 ;; --- Profile Fetched
 
+(s/def ::profile-fetched-params
+  (s/keys :req-un [::id
+                   ::username
+                   ::fullname
+                   ::email
+                   ::created-at
+                   ::photo]))
+
 (defn profile-fetched
   [data]
+  (s/assert ::profile-fetched-params data)
   (reify
     ptk/UpdateEvent
-    (update [this state]
+    (update [_ state]
       (assoc state :profile data))
 
     ptk/EffectEvent
-    (effect [this state stream]
+    (effect [_ state stream]
       (swap! storage assoc :profile data)
-      ;; (prn "profile-fetched" data)
       (when-let [lang (get-in data [:metadata :language])]
         (i18n/set-current-locale! lang)))))
 
 ;; --- Fetch Profile
 
-(deftype FetchProfile []
-  ptk/WatchEvent
-  (watch [_ state s]
-    (->> (rp/req :fetch/profile)
-         (rx/map :payload)
-         (rx/map profile-fetched))))
-
-(defn fetch-profile
-  []
-  (FetchProfile.))
-
-;; --- Profile Updated
-
-(deftype ProfileUpdated [data]
-  ptk/WatchEvent
-  (watch [_ state s]
-    (rx/of (profile-fetched data)
-           (uum/info (tr "settings.profile.profile-saved")))))
-
-(defn profile-updated
-  [data]
-  (ProfileUpdated. data))
+(def fetch-profile
+  (reify
+    ptk/WatchEvent
+    (watch [_ state s]
+      (->> (rp/req :fetch/profile)
+           (rx/map :payload)
+           (rx/map profile-fetched)))))
 
 ;; --- Update Profile
 
-(s/def ::fullname string?)
-(s/def ::email ::us/email)
-(s/def ::password string?)
-(s/def ::language string?)
-
 (s/def ::update-profile-params
   (s/keys :req-un [::fullname
                    ::email
                    ::username
                    ::language]))
 
-(defn update-profile
-  [data {:keys [on-success on-error]}]
+(defn form->update-profile
+  [data on-success on-error]
   (s/assert ::update-profile-params data)
   (s/assert ::us/fn on-error)
   (s/assert ::us/fn on-success)
@@ -88,16 +90,11 @@
           (->> (rp/req :update/profile data)
                (rx/map :payload)
                (rx/do on-success)
-               (rx/map profile-updated)
-               ;; (rx/map profile-fetched)
+               (rx/map profile-fetched)
                (rx/catch rp/client-error? handle-error)))))))
 
 ;; --- Update Password (Form)
 
-(s/def ::password-1 string?)
-(s/def ::password-2 string?)
-(s/def ::password-old string?)
-
 (s/def ::update-password-params
   (s/keys :req-un [::password-1
                    ::password-2
@@ -128,7 +125,7 @@
   (watch [_ state stream]
     (->> (rp/req :update/profile-photo {:file file})
          (rx/do done)
-         (rx/map fetch-profile))))
+         (rx/map (constantly fetch-profile)))))
 
 (defn update-photo
   ([file] (update-photo file (constantly nil)))
diff --git a/frontend/src/uxbox/main/ui/auth/login.cljs b/frontend/src/uxbox/main/ui/auth/login.cljs
index a37c7e6ed..5510e02f2 100644
--- a/frontend/src/uxbox/main/ui/auth/login.cljs
+++ b/frontend/src/uxbox/main/ui/auth/login.cljs
@@ -7,20 +7,21 @@
 
 (ns uxbox.main.ui.auth.login
   (:require
-   [rumext.alpha :as mf]
    [cljs.spec.alpha :as s]
+   [rumext.alpha :as mf]
    [uxbox.builtins.icons :as i]
    [uxbox.config :as cfg]
    [uxbox.main.data.auth :as da]
    [uxbox.main.store :as st]
    [uxbox.main.ui.messages :refer [messages-widget]]
    [uxbox.util.dom :as dom]
-   [uxbox.util.forms :as fm2]
+   [uxbox.util.forms :as fm]
    [uxbox.util.i18n :refer [tr]]
-   [uxbox.util.router :as rt]))
+   [uxbox.util.router :as rt]
+   [uxbox.util.spec :as us]))
 
-(s/def ::username ::fm2/not-empty-string)
-(s/def ::password ::fm2/not-empty-string)
+(s/def ::username ::us/not-empty-string)
+(s/def ::password ::us/not-empty-string)
 
 (s/def ::login-form
   (s/keys :req-un [::username ::password]))
@@ -44,8 +45,7 @@
 
 (mf/defc login-form
   []
-  (let [{:keys [data] :as form} (fm2/use-form ::login-form {})]
-    (prn "login-form" form)
+  (let [{:keys [data] :as form} (fm/use-form ::login-form {})]
     [:form {:on-submit #(on-submit % form)}
      [:div.login-content
       (when cfg/isdemo
@@ -55,18 +55,18 @@
        {:name "username"
         :tab-index "2"
         :value (:username data "")
-        :class (fm2/error-class form :username)
-        :on-blur (fm2/on-input-blur form :username)
-        :on-change (fm2/on-input-change form :username)
+        :class (fm/error-class form :username)
+        :on-blur (fm/on-input-blur form :username)
+        :on-change (fm/on-input-change form :username)
         :placeholder (tr "auth.email-or-username")
         :type "text"}]
       [:input.input-text
        {:name "password"
         :tab-index "3"
         :value (:password data "")
-        :class (fm2/error-class form :password)
-        :on-blur (fm2/on-input-blur form :password)
-        :on-change (fm2/on-input-change form :password)
+        :class (fm/error-class form :password)
+        :on-blur (fm/on-input-blur form :password)
+        :on-change (fm/on-input-change form :password)
         :placeholder (tr "auth.password")
         :type "password"}]
       [:input.btn-primary
diff --git a/frontend/src/uxbox/main/ui/settings/profile.cljs b/frontend/src/uxbox/main/ui/settings/profile.cljs
index 82ec47fe5..0897eec68 100644
--- a/frontend/src/uxbox/main/ui/settings/profile.cljs
+++ b/frontend/src/uxbox/main/ui/settings/profile.cljs
@@ -66,10 +66,8 @@
   (dom/prevent-default event)
   (let [data (:clean-data form)
         on-success #(st/emit! (um/info (tr "settings.profile.profile-saved")))
-        on-error #(on-error % form)
-        opts {:on-success on-success
-              :on-error on-error}]
-    (st/emit! (udu/update-profile data opts))))
+        on-error #(on-error % form)]
+    (st/emit! (udu/form->update-profile data on-success on-error))))
 
 ;; --- Profile Form
 
diff --git a/frontend/src/uxbox/main/ui/users.cljs b/frontend/src/uxbox/main/ui/users.cljs
index 6283c8706..bf2004f8c 100644
--- a/frontend/src/uxbox/main/ui/users.cljs
+++ b/frontend/src/uxbox/main/ui/users.cljs
@@ -49,7 +49,7 @@
       (l/derive st/state)))
 
 (mf/defc user
-  [_]
+  [props]
   (let [open (mf/use-state false)
         profile (mf/deref profile-ref)
         photo (if (str/empty? (:photo profile ""))
diff --git a/frontend/src/uxbox/main/ui/workspace/sidebar/options/page.cljs b/frontend/src/uxbox/main/ui/workspace/sidebar/options/page.cljs
index 980a6962f..861f3c3d0 100644
--- a/frontend/src/uxbox/main/ui/workspace/sidebar/options/page.cljs
+++ b/frontend/src/uxbox/main/ui/workspace/sidebar/options/page.cljs
@@ -43,8 +43,8 @@
             (on-name-change [event]
               (let [value (-> (dom/event->value event)
                               (str/trim))]
-                (st/emit! (->> (assoc page :name value)
-                               (udp/update-page (:id page))))))
+                (st/emit! (-> (assoc page :name value)
+                              (udp/update-page-attrs)))))
 
             (show-color-picker [event]
               (let [x (.-clientX event)
diff --git a/frontend/src/uxbox/main/ui/workspace/sidebar/sitemap_forms.cljs b/frontend/src/uxbox/main/ui/workspace/sidebar/sitemap_forms.cljs
index 4ec95b741..15c16e69e 100644
--- a/frontend/src/uxbox/main/ui/workspace/sidebar/sitemap_forms.cljs
+++ b/frontend/src/uxbox/main/ui/workspace/sidebar/sitemap_forms.cljs
@@ -43,8 +43,8 @@
   (modal/hide!)
   (let [data (:clean-data form)]
     (if (nil? (:id data))
-      (st/emit! (udp/create-page data))
-      (st/emit! (udp/persist-page-update-form data)))))
+      (st/emit! (udp/form->create-page data))
+      (st/emit! (udp/form->update-page data)))))
 
 (defn- swap-size
   [event {:keys [data] :as form}]
diff --git a/frontend/src/uxbox/util/spec.cljs b/frontend/src/uxbox/util/spec.cljs
index 904f0392d..6d706668d 100644
--- a/frontend/src/uxbox/util/spec.cljs
+++ b/frontend/src/uxbox/util/spec.cljs
@@ -54,6 +54,7 @@
 (s/def ::inst inst?)
 (s/def ::keyword keyword?)
 (s/def ::fn fn?)
+(s/def ::coll coll?)
 
 (s/def ::not-empty-string
   (s/and string? #(not (str/empty? %))))