diff --git a/GNUmakefile b/GNUmakefile
index a475993f..14d35430 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -630,11 +630,12 @@ docs/usage.md: docs/__usage.md docs/_starting.md docs/__bindings.md
 	@echo '  MAKE $@'
 	$(QUIET)echo -e "\\page usage Usage\n\\section getting Building & Embedding" | cat - $^ | $(SED) 's/^Bindings$$/Bindings {#bindings}/' >$@
 
-doxygen: docs/Doxyfile docs/overall.md docs/intro.md docs/usage.md mdbx.h mdbx.h++ src/options.h ChangeLog.md COPYRIGHT LICENSE NOTICE docs/favicon.ico docs/manifest.webmanifest $(lastword $(MAKEFILE_LIST))
+doxygen: docs/Doxyfile docs/overall.md docs/intro.md docs/usage.md mdbx.h mdbx.h++ src/options.h ChangeLog.md COPYRIGHT LICENSE NOTICE docs/favicon.ico docs/manifest.webmanifest docs/ld+json $(lastword $(MAKEFILE_LIST))
 	@echo '  RUNNING doxygen...'
 	$(QUIET)rm -rf docs/html && \
 	cat mdbx.h | tr '\n' '\r' | $(SED) -e 's/LIBMDBX_INLINE_API\s*(\s*\([^,]\+\),\s*\([^,]\+\),\s*(\s*\([^)]\+\)\s*)\s*)\s*{/inline \1 \2(\3) {/g' | tr '\r' '\n' >docs/mdbx.h && \
-	cp mdbx.h++ src/options.h ChangeLog.md docs/ && (cd docs && doxygen Doxyfile $(HUSH)) && cp COPYRIGHT LICENSE NOTICE docs/favicon.ico docs/manifest.webmanifest docs/html/
+	cp mdbx.h++ src/options.h ChangeLog.md docs/ && (cd docs && doxygen Doxyfile $(HUSH)) && cp COPYRIGHT LICENSE NOTICE docs/favicon.ico docs/manifest.webmanifest docs/html/ && \
+	$(SED) -i docs/html/index.html -e '/\/MathJax.js"><\/script>/r docs/ld+json'
 
 mdbx++-dylib.o: src/config.h src/mdbx.c++ mdbx.h mdbx.h++ $(lastword $(MAKEFILE_LIST))
 	@echo '  CC $@'
diff --git a/docs/ld+json b/docs/ld+json
new file mode 100644
index 00000000..790e4475
--- /dev/null
+++ b/docs/ld+json
@@ -0,0 +1,27 @@
+<script type="application/ld+json">
+{
+  "@context": "https://schema.org",
+  "@type": "ItemList",
+  "itemListElement": [{
+    "@type": "ListItem",
+    "position": 1,
+    "name": "Группа в Telegram",
+    "url": "https://t.me/libmdbx"
+  },{
+    "@type": "ListItem",
+    "position": 2,
+    "name": "Исходный код",
+    "url": "https://gitflic.ru/project/erthink/libmdbx"
+  },{
+    "@type": "ListItem",
+    "position": 3,
+    "name": "C++ API",
+    "url": "https://libmdbx.dqdkfa.ru/group__cxx__api.html"
+  },{
+    "@type": "ListItem",
+    "position": 4,
+    "name": "Mirror on Github",
+    "url": "https://github.com/erthink/libmdbx"
+  }]
+}
+</script>