diff --git a/frontend/src/App.svelte b/frontend/src/App.svelte
index 26c8b9e..7f2986b 100644
--- a/frontend/src/App.svelte
+++ b/frontend/src/App.svelte
@@ -5,7 +5,6 @@
     import Content from "./routes/Content.svelte"
     import Notifications from "./lib/components/widgets/Notifications.svelte"
     import SSRSkip from "./lib/components/SSRSkip.svelte"
-    import DateModal from "./lib/components/widgets/DateModal.svelte"
     import { baseURL } from "./config"
     import { isMobile, location, openModal } from "./lib/store"
 
@@ -106,7 +105,6 @@
 </div>
 
 <Notifications />
-<DateModal />
 <SSRSkip />
 
 <style lang="less" global>
diff --git a/frontend/src/lib/components/widgets/ActionApproval.svelte b/frontend/src/lib/components/widgets/ActionApproval.svelte
deleted file mode 100644
index 22c6447..0000000
--- a/frontend/src/lib/components/widgets/ActionApproval.svelte
+++ /dev/null
@@ -1,51 +0,0 @@
-<script lang="ts">
-    import { actionApproval } from "../../store"
-    import Modal from "../Modal.svelte"
-</script>
-
-{#if $actionApproval}
-    <Modal
-        show={true}
-        size="sm"
-        on:close={() => {
-            actionApproval.set(null)
-        }}
-    >
-        <svelte:fragment slot="title">{$actionApproval.modalTitle}</svelte:fragment>
-        <p>
-            {$actionApproval.modalText}
-        </p>
-
-        <div
-            slot="footer"
-            class="action-approval-footer"
-        >
-            <button
-                class="btn cta primary"
-                on:click={() => {
-                    actionApproval.set(null)
-                }}
-            >
-                Nein
-            </button>
-            <button
-                class="btn cta secondary"
-                on:click={() => {
-                    $actionApproval.callback()
-                    actionApproval.set(null)
-                }}>Ja</button
-            >
-        </div>
-    </Modal>
-{/if}
-
-<style lang="less">
-    .action-approval-footer {
-        display: flex;
-        justify-content: space-between;
-    }
-    h2 {
-        color: var(--text-invers-100);
-        padding-bottom: 1px;
-    }
-</style>
diff --git a/frontend/src/lib/components/widgets/DateModal.svelte b/frontend/src/lib/components/widgets/DateModal.svelte
deleted file mode 100644
index 9f1a6aa..0000000
--- a/frontend/src/lib/components/widgets/DateModal.svelte
+++ /dev/null
@@ -1,50 +0,0 @@
-<script lang="ts"></script>
-
-<div id="dateModal"></div>
-
-<style
-    lang="less"
-    global
->
-    #dateModal {
-        position: absolute;
-        z-index: 9999;
-        background-color: white;
-        display: none;
-    }
-
-    #dateDeleteValidationModal {
-        position: absolute;
-        z-index: 9999;
-        background-color: white;
-        display: none;
-        flex-direction: column;
-        gap: 10px;
-        padding: 12px;
-        width: 236px;
-        .question {
-            padding: 0px;
-            margin: 0px;
-            font-size: 12px;
-        }
-        .bottom {
-            display: flex;
-            justify-content: space-between;
-            .cancel,
-            .delete {
-                padding: 0px;
-
-                cursor: pointer;
-                background-color: transparent;
-                border: none;
-                font-size: 12px;
-            }
-            .cancel {
-                color: var(--stategrey);
-            }
-            .delete {
-                color: var(--renzrot);
-            }
-        }
-    }
-</style>
diff --git a/frontend/src/lib/components/widgets/MediaQuery.svelte b/frontend/src/lib/components/widgets/MediaQuery.svelte
index e189fe4..d529ce7 100644
--- a/frontend/src/lib/components/widgets/MediaQuery.svelte
+++ b/frontend/src/lib/components/widgets/MediaQuery.svelte
@@ -1,5 +1,4 @@
 <script lang="ts">
-    //check with matchMedia api if the slot should be rendered or not.
     import { onMount } from "svelte"
     export let query: string
 
diff --git a/frontend/src/lib/components/widgets/MedialibFile.svelte b/frontend/src/lib/components/widgets/MedialibFile.svelte
index 7ab4b4f..189820d 100644
--- a/frontend/src/lib/components/widgets/MedialibFile.svelte
+++ b/frontend/src/lib/components/widgets/MedialibFile.svelte
@@ -1,13 +1,9 @@
-<script
-    context="module"
-    lang="ts"
->
+<script module lang="ts">
     import pDebounce from "p-debounce"
-    import { getDBEntries, getDBEntry } from "../../../api"
 
-    // TODO: check ssr
-
-    const medialibCache: { [id: string]: MedialibEntry } ={}
+    import { apiBaseURL } from "../../configs/config"
+    import { getCachedEntries, getCachedEntry } from "../../api"
+    const medialibCache: { [id: string]: MedialibEntry } = {}
 
     let loadQueue: string[] = []
     export async function loadMedialibEntry(id: string): Promise<MedialibEntry> {
@@ -21,7 +17,7 @@
         if (loadQueue.length) {
             const _ids = loadQueue
             loadQueue = []
-            const entries = await getDBEntries("medialib", { _id: { $in: _ids } })
+            const entries = await getCachedEntries("medialib", { _id: { $in: _ids } })
             entries.forEach((entry) => {
                 medialibCache[entry.id] = entry
             })
@@ -32,14 +28,24 @@
 </script>
 
 <script lang="ts">
-    import { apiBaseURL } from "../../../config"
-    import { apiBaseOverride } from "../../store"
+    let {
+        id,
+        noPlaceholder,
+        loading,
+        childrenSnippet,
+        loadingSnippet,
+        notFoundSnippet,
+    }: {
+        id: string
+        noPlaceholder?: boolean
+        loading?: boolean
+        loadingSnippet: ({ entry, src }: { entry: MedialibEntry; src: string }) => any
+        childrenSnippet: ({ entry, src }: { entry: MedialibEntry; src: string }) => any
+        notFoundSnippet: () => any
+    } = $props()
 
-    export let id: string,
-        noPlaceholder: boolean = false,
-        loading = true
-
-    let entry: MedialibEntry, fileSrc: string
+    let entry: MedialibEntry = $state(),
+        fileSrc: string = $state()
 
     async function loadFile() {
         loading = true
@@ -47,33 +53,31 @@
         fileSrc = null
         try {
             entry =
-                typeof window !== "undefined" ? await loadMedialibEntry(id) : await getDBEntry("medialib", { _id: id })
-            if (entry?.file?.src)
-                fileSrc = ($apiBaseOverride ? $apiBaseOverride : apiBaseURL) + "medialib/" + id + "/" + entry.file.src
+                typeof window !== "undefined"
+                    ? await loadMedialibEntry(id)
+                    : await getCachedEntry("medialib", { _id: id })
+            if (entry?.file?.src) {
+                fileSrc = `${apiBaseURL}${window?.location.host.includes("tibi") ? "_/renz_shop_2024/" : ""}medialib/${id}/${entry.file.src}`
+            }
         } catch (e) {
             console.error(e)
         }
         loading = false
     }
 
-    $: if (id) loadFile()
+    $effect(() => {
+        if (id) loadFile()
+    })
 </script>
 
 {#if id}
     {#if loading}
         {#if !noPlaceholder}
-            <slot
-                name="loading"
-                entry={entry}
-                src={fileSrc}
-            />
+            {@render loadingSnippet({ entry, src: fileSrc })}
         {/if}
     {:else if entry}
-        <slot
-            entry={entry}
-            src={fileSrc}
-        />
+        {@render childrenSnippet({ entry, src: fileSrc })}
     {:else if !noPlaceholder}
-        <slot name="not-found" />
+        {@render notFoundSnippet()}
     {/if}
 {/if}
diff --git a/frontend/src/lib/components/widgets/MedialibImage.svelte b/frontend/src/lib/components/widgets/MedialibImage.svelte
index 90d6d4a..dde9717 100644
--- a/frontend/src/lib/components/widgets/MedialibImage.svelte
+++ b/frontend/src/lib/components/widgets/MedialibImage.svelte
@@ -1,83 +1,138 @@
 <script lang="ts">
+    import { onDestroy } from "svelte"
     import MedialibFile from "./MedialibFile.svelte"
 
-    export let id: string,
-        filter: null | "xs" | "s" | "m" | "l" | "xl" | "xxl" = null,
-        minWidth: number = null,
-        noPlaceholder: boolean = false
+    interface Props {
+        id: string
+        filter?:
+            | null
+            | "xs"
+            | "s"
+            | "m"
+            | "l"
+            | "xl"
+            | "xxl"
+            | "xs-webp"
+            | "s-webp"
+            | "m-webp"
+            | "l-webp"
+            | "xl-webp"
+            | "xxl-webp"
+        minWidth?: number
+        noPlaceholder?: boolean
+        style?: string
+        widthMultiplier?: number
+        lazy?: boolean
+    }
 
-    let imgElement: HTMLImageElement
+    let {
+        id,
+        filter,
+        minWidth = null,
+        noPlaceholder = false,
+        style,
+        widthMultiplier = 1,
+        lazy = false,
+    }: Props = $props()
+
+    let imgElement: HTMLImageElement = $state()
 
     function getSrcWithFilter(_imgElement: HTMLImageElement, entry: MedialibEntry, src: string) {
         if (typeof window === "undefined") {
-            return src + `?filter=${filter || "xs"}`
+            return src + `?filter=${filter || "xs-webp"}`
         }
+        let internalFilter = filter
         if (imgElement) {
-            if (!entry.file?.type?.match(/^image\/(png|jpe?g)/)) return src // no filter for svg
-            if (!filter) {
+            if (!entry.file?.type?.match(/^image\/(png|jpe?g|webp)/)) return src // no filter for svg
+            if (!internalFilter) {
+                let imgWidth = _imgElement.width
+
+                if (widthMultiplier) {
+                    imgWidth *= widthMultiplier
+                }
+
                 // get the width of the image element
-                const width = minWidth
-                    ? _imgElement.width < minWidth
-                        ? minWidth
-                        : _imgElement.width
-                    : _imgElement.width
+                const width = minWidth ? (imgWidth < minWidth ? minWidth : imgWidth) : imgWidth
                 switch (true) {
                     case width <= 90:
-                        filter = "xs"
+                        internalFilter = "xs-webp"
                         break
                     case width <= 300:
-                        filter = "s"
+                        internalFilter = "s-webp"
                         break
                     case width <= 600:
-                        filter = "m"
+                        internalFilter = "m-webp"
                         break
                     case width <= 1200:
-                        filter = "l"
+                        internalFilter = "l-webp"
                         break
                     case width <= 2000:
-                        filter = "xl"
+                        internalFilter = "xl-webp"
                         break
                     case width <= 4000:
-                        filter = "xxl"
+                        internalFilter = "xxl-webp"
                         break
                 }
             }
-            return src + (filter ? `?filter=${filter}` : "")
+            return src + (internalFilter ? `?filter=${internalFilter}` : "")
         } else {
             // placeholder
             return "/assets/img/placeholder-image.png"
         }
     }
+
+    let resizeObserver: ResizeObserver
+
+    function initResizeObserver(node: HTMLImageElement, { entry, src }: { entry: MedialibEntry; src: string }) {
+        if (!filter && typeof ResizeObserver !== "undefined") {
+            resizeObserver?.disconnect()
+            resizeObserver = new ResizeObserver(() => {
+                const oldWidth = parseInt(node.getAttribute("data-width")) || 0
+                const newWidth = node.width
+
+                if (oldWidth >= newWidth) return
+
+                const newSrc = getSrcWithFilter(imgElement, entry, src)
+                if (newSrc !== node.getAttribute("src")) {
+                    node.setAttribute("src", newSrc)
+                }
+                node.setAttribute("data-width", newWidth.toString())
+            })
+            resizeObserver.observe(node)
+        }
+
+        return {
+            destroy() {
+                resizeObserver?.disconnect()
+            },
+        }
+    }
+
+    onDestroy(() => {
+        resizeObserver?.disconnect()
+    })
+    let properties = {}
+    if (lazy) {
+        properties = { loading: "lazy" }
+    }
 </script>
 
 {#if id}
-    <MedialibFile
-        id={id}
-        let:entry
-        let:src
-        noPlaceholder={noPlaceholder}
-    >
-        <img
-            bind:this={imgElement}
-            src={getSrcWithFilter(imgElement, entry, src)}
-            alt={entry.alt || 'icon'}
-            data-entry-id={id}
-        />
-        <img
-            slot="loading"
-            let:entry
-            let:src
-            src="/assets/img/placeholder-image.png"
-            alt="placeholder"
-            data-entry-id={id}
-            data-entry={JSON.stringify(entry)}
-            data-entry-src={src}
-        />
-        <img
-            slot="not-found"
-            src="/assets/img/placeholder-image.png"
-            alt="not found"
-            data-entry-id={id}
-        />
+    <MedialibFile {id} {noPlaceholder}>
+        {#snippet childrenSnippet({ entry, src }: { entry: MedialibEntry; src: string })}
+            <img
+                {style}
+                bind:this={imgElement}
+                src={getSrcWithFilter(imgElement, entry, src)}
+                alt={entry.alt || "icon"}
+                data-entry-id={id}
+                use:initResizeObserver={{ entry, src }}
+                loading="lazy"
+                {...properties}
+            />
+        {/snippet}
+        {#snippet loadingSnippet({ entry, src }: { entry: MedialibEntry; src: string })}{/snippet}
+
+        {#snippet notFoundSnippet()}{/snippet}
     </MedialibFile>
 {/if}
diff --git a/frontend/src/lib/components/widgets/Notifications.svelte b/frontend/src/lib/components/widgets/Notifications.svelte
index 7d99489..3574955 100644
--- a/frontend/src/lib/components/widgets/Notifications.svelte
+++ b/frontend/src/lib/components/widgets/Notifications.svelte
@@ -20,7 +20,7 @@
     class="container"
     class:inModal={force}
 >
-    {#each $notifications as n, i (n)}
+    {#each $notifications as n (n)}
         {#if !$openModal || ($openModal && force)}
             <!-- svelte-ignore a11y-no-noninteractive-element-to-interactive-role -->
             <li
diff --git a/frontend/src/routes/Content.svelte b/frontend/src/routes/Content.svelte
index dcd3207..546f7ed 100644
--- a/frontend/src/routes/Content.svelte
+++ b/frontend/src/routes/Content.svelte
@@ -2,8 +2,8 @@
     import { getCachedEntry } from "../api"
     import NotFound from "./NotFound.svelte"
 
-    export let location: LocationStore | undefined
-    export let id: string | undefined
+    export let location: LocationStore | undefined = undefined
+    export let id: string | null = null
 
     let loading = true
     let contentEntry: ContentEntry | null = null