abap2UI5 · oblomov-dev · Aug 20, 2026 · Aug 20, 2026
diff --git a/.github/workflows/deploy-web.yaml b/.github/workflows/deploy-web.yaml
@@ -60,11 +60,11 @@ jobs:
       # The gate this pipeline needs now that there is nothing here that can
       # fail to build: a page whose data file is missing deploys exactly like a
       # working one — it just says "the catalogue could not be loaded" to every
-      # visitor. Assert the four files and a non-trivial index before uploading.
+      # visitor. Assert the five files and a non-trivial index before uploading.
       - name: Check the artefact is complete
         run: |
           cd web
-          for f in index.html stack.css stack.js apps.json; do
+          for f in index.html stack.css stack.js apps.json favicon.ico; do
             test -s "$f" || { echo "deploy-web: $f is missing or empty"; exit 1; }
           done
           node -e '

diff --git a/web/README.md b/web/README.md
@@ -10,6 +10,7 @@ system actually runs. Published by the
 web/index.html   the page — one file, no framework
 web/stack.css    one stylesheet, light and dark off one set of custom properties
 web/stack.js     filtering and drawing — plain ES2020, no dependencies
+web/favicon.ico  the abap2UI5 logo in the tab (see below)
 web/apps.json    generated, NOT committed (see below)
 ```
 
@@ -49,6 +50,22 @@ keeps every package at or below it. The counts are in the labels, so what an
 older system costs is visible before the click. Filters live in the URL, so a
 search is linkable.
 
+## The icon in the tab
+
+`favicon.ico` is the abap2UI5 logo — the same mark
+[the documentation](https://abap2ui5.github.io/docs/) puts in the tab, so the
+four pages of the project read as one project in a row of browser tabs rather
+than as three anonymous ones beside it.
+
+It is the artwork of `docs/public/favicon.ico` in
+[abap2UI5/docs](https://github.com/abap2UI5/docs), rescaled: that file is one
+256 px frame stored uncompressed, 265 KB, which is twenty times this whole page
+for something a browser draws at 16 px. This one carries 16/32/48/64/128 px as
+PNG frames in ~16 KB, so every size the browser asks for is a frame that was
+drawn for it and none of them is squashed — the source is 256 × 251, not
+square, so a single frame is what a browser distorts. Identical in all three
+sample repositories.
+
 ## The bar at the top is shared, and so is the strip at the bottom
 
 Three repositories publish three pages that answer three different questions,

diff --git a/web/favicon.ico b/web/favicon.ico
diff --git a/web/index.html b/web/index.html
@@ -5,7 +5,11 @@
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>abap2UI5 and your stack · samples-stack</title>
 <meta name="description" content="Every abap2UI5 sample that plays together with your stack — OData, Smart Controls, RAP, business events, stateful sessions, WebSockets, MIME, the Fiori Launchpad. Search them by technology and by the release your system runs, and see what each one needs before you install anything.">
-<link rel="icon" href="data:,">
+<!-- The abap2UI5 logo, the same mark the documentation puts in the tab.
+     One .ico carrying 16/32/48/64/128 px, so the browser picks a size
+     instead of squashing one. See web/README.md for where it comes from. -->
+<link rel="icon" href="favicon.ico" sizes="16x16 32x32 48x48 64x64 128x128">
+<link rel="apple-touch-icon" href="favicon.ico">
 <link rel="stylesheet" href="stack.css">
 </head>
 <body>