diff --git a/indigo/benchmarks/README.md b/indigo/benchmarks/README.md
new file mode 100644
index 000000000..78fa0f64b
--- /dev/null
+++ b/indigo/benchmarks/README.md
@@ -0,0 +1,15 @@
+
+Build:
+
+```
+sbt benchmarks/fullOptJS
+```
+
+Note! Does _not_ work with `fullLinkJS`.
+
+Run from this directory (benchmarks):
+
+```
+yarn install
+npx http-server -c-1
+```
diff --git a/indigo/benchmarks/index.html b/indigo/benchmarks/index.html
index eba53e9b6..a90b49755 100644
--- a/indigo/benchmarks/index.html
+++ b/indigo/benchmarks/index.html
@@ -7,8 +7,8 @@
Loading...
-
-
+
+
diff --git a/indigo/benchmarks/package.json b/indigo/benchmarks/package.json
new file mode 100644
index 000000000..11be93021
--- /dev/null
+++ b/indigo/benchmarks/package.json
@@ -0,0 +1,5 @@
+{
+ "devDependencies": {
+ "http-server": "^14.1.1"
+ }
+}
diff --git a/indigo/benchmarks/yarn.lock b/indigo/benchmarks/yarn.lock
new file mode 100644
index 000000000..1e6b0581f
--- /dev/null
+++ b/indigo/benchmarks/yarn.lock
@@ -0,0 +1,300 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+ansi-styles@^4.1.0:
+ version "4.3.0"
+ resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-4.3.0.tgz#edd803628ae71c04c85ae7a0906edad34b648937"
+ integrity sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==
+ dependencies:
+ color-convert "^2.0.1"
+
+async@^2.6.4:
+ version "2.6.4"
+ resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
+ integrity sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==
+ dependencies:
+ lodash "^4.17.14"
+
+basic-auth@^2.0.1:
+ version "2.0.1"
+ resolved "https://registry.yarnpkg.com/basic-auth/-/basic-auth-2.0.1.tgz#b998279bf47ce38344b4f3cf916d4679bbf51e3a"
+ integrity sha512-NF+epuEdnUYVlGuhaxbbq+dvJttwLnGY+YixlXlME5KpQ5W3CnXA5cVTneY3SPbPDRkcjMbifrwmFYcClgOZeg==
+ dependencies:
+ safe-buffer "5.1.2"
+
+call-bind@^1.0.0:
+ version "1.0.5"
+ resolved "https://registry.yarnpkg.com/call-bind/-/call-bind-1.0.5.tgz#6fa2b7845ce0ea49bf4d8b9ef64727a2c2e2e513"
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+ dependencies:
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+ get-intrinsic "^1.2.1"
+ set-function-length "^1.1.1"
+
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+ version "4.1.2"
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+ dependencies:
+ ansi-styles "^4.1.0"
+ supports-color "^7.1.0"
+
+color-convert@^2.0.1:
+ version "2.0.1"
+ resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-2.0.1.tgz#72d3a68d598c9bdb3af2ad1e84f21d896abd4de3"
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+
+color-name@~1.1.4:
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+ resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
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+ version "2.0.0"
+ resolved "https://registry.yarnpkg.com/whatwg-encoding/-/whatwg-encoding-2.0.0.tgz#e7635f597fd87020858626805a2729fa7698ac53"
+ integrity sha512-p41ogyeMUrw3jWclHWTQg1k05DSVXPLcVxRTYsXUk+ZooOCZLcoYgPZ/HL/D/N+uQPOtcp1me1WhBEaX02mhWg==
+ dependencies:
+ iconv-lite "0.6.3"