diff --git a/.github/coverage.svg b/.github/coverage.svg
new file mode 100644
index 0000000..681950c
--- /dev/null
+++ b/.github/coverage.svg
@@ -0,0 +1,20 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="108" height="20" role="img">
+    <linearGradient id="s" x2="0" y2="100%">
+        <stop offset="0" stop-color="#bbb" stop-opacity=".1"/>
+        <stop offset="1" stop-opacity=".1"/>
+    </linearGradient>
+    <clipPath id="r">
+        <rect width="108" height="20" rx="3" fill="#fff"/>
+    </clipPath>
+    <g clip-path="url(#r)">
+        <rect width="63" height="20" fill="#555"/>
+        <rect x="63" width="45" height="20" fill="#97ca00"/>
+        <rect width="108" height="20" fill="url(#s)"/>
+    </g>
+    <g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110">
+        <text aria-hidden="true" x="315" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="530">coverage</text>
+        <text x="315" y="140" transform="scale(.1)" fill="#fff" textLength="530">coverage</text>
+        <text aria-hidden="true" x="850" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="350">89 %</text>
+        <text x="850" y="140" transform="scale(.1)" fill="#fff" textLength="350">89 %</text>
+    </g>
+</svg>
\ No newline at end of file