diff --git a/README.md b/README.md
index d7cd689..e8ba87c 100644
--- a/README.md
+++ b/README.md
@@ -3,10 +3,11 @@
 ![hyparquet parakeet](hyparquet.jpg)
 
 [![npm](https://img.shields.io/npm/v/hyparquet)](https://www.npmjs.com/package/hyparquet)
+[![minzipped](https://img.shields.io/bundlephobia/minzip/hyparquet)](https://www.npmjs.com/package/hyparquet)
 [![workflow status](https://github.com/hyparam/hyparquet/actions/workflows/ci.yml/badge.svg)](https://github.com/hyparam/hyparquet/actions)
-[![mit license](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
-[![dependencies](https://img.shields.io/badge/Dependencies-0-blueviolet)](https://www.npmjs.com/package/hyparquet?activeTab=dependencies)
+[![mit license](https://img.shields.io/badge/License-MIT-orange.svg)](https://opensource.org/licenses/MIT)
 ![coverage](https://img.shields.io/badge/Coverage-96-darkred)
+[![dependencies](https://img.shields.io/badge/Dependencies-0-blueviolet)](https://www.npmjs.com/package/hyparquet?activeTab=dependencies)
 
 Dependency free since 2023!
 
@@ -64,7 +65,7 @@ Note: Hyparquet is published as an ES module, so dynamic `import()` may be requi
 In the browser use `asyncBufferFromUrl` to wrap a url for reading asyncronously over the network.
 It is recommended that you filter by row and column to limit fetch size:
 
-```js
+```javascript
 const { asyncBufferFromUrl, parquetRead } = await import('https://cdn.jsdelivr.net/npm/hyparquet/src/hyparquet.min.js')
 
 const url = 'https://hyperparam-public.s3.amazonaws.com/bunnies.parquet'
@@ -109,7 +110,7 @@ You can define your own `AsyncBuffer` to create a virtual file that can be read
 
 Pass the `requestInit` option to `asyncBufferFromUrl` to provide authentication information to a remote web server. For example:
 
-```js
+```javascript
 await parquetRead({
   file: await asyncBufferFromUrl({url, requestInit: {headers: {Authorization: 'Bearer my_token'}}}),
   onComplete: data => console.log(data)
@@ -163,7 +164,7 @@ For faster snappy decompression, try [hysnappy](https://github.com/hyparam/hysna
 You can include support for ALL parquet `compressors` plus hysnappy using the [hyparquet-compressors](https://github.com/hyparam/hyparquet-compressors) package.
 
 
-```js
+```javascript
 import { parquetRead } from 'hyparquet'
 import { compressors } from 'hyparquet-compressors'
 
diff --git a/package.json b/package.json
index 146260c..368752c 100644
--- a/package.json
+++ b/package.json
@@ -2,8 +2,12 @@
   "name": "hyparquet",
   "version": "1.6.4",
   "description": "parquet file parser for javascript",
+  "author": "Hyperparam",
+  "homepage": "https://hyperparam.app",
   "keywords": [
+    "hyparquet",
     "parquet",
+    "parquetjs",
     "parser",
     "snappy",
     "thrift"
@@ -23,18 +27,18 @@
   "scripts": {
     "build:types": "tsc -p ./tsconfig.build.json",
     "coverage": "vitest run --coverage --coverage.include=src",
-    "lint": "eslint .",
+    "lint": "eslint",
     "prepare": "npm run build:types",
     "test": "vitest run"
   },
   "devDependencies": {
-    "@types/node": "22.10.1",
+    "@types/node": "22.10.2",
     "@vitest/coverage-v8": "2.1.8",
-    "eslint": "9.16.0",
-    "eslint-plugin-jsdoc": "50.6.0",
+    "eslint": "9.17.0",
+    "eslint-plugin-jsdoc": "50.6.1",
     "hyparquet-compressors": "1.0.0",
     "typescript": "5.7.2",
-    "typescript-eslint": "8.18.0",
+    "typescript-eslint": "8.18.1",
     "vitest": "2.1.8"
   }
 }
diff --git a/src/utils.js b/src/utils.js
index 969e9d1..10c65a2 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -67,6 +67,7 @@ export async function byteLengthFromUrl(url, requestInit) {
  * @returns {Promise<AsyncBuffer>}
  */
 export async function asyncBufferFromUrl({ url, byteLength, requestInit }) {
+  if (!url) throw new Error('missing url')
   // byte length from HEAD request
   byteLength ||= await byteLengthFromUrl(url, requestInit)
   const init = requestInit || {}
diff --git a/test/helpers.js b/test/helpers.js
index 41b4ecf..d76e324 100644
--- a/test/helpers.js
+++ b/test/helpers.js
@@ -1,7 +1,7 @@
 import fs from 'fs'
 
 /**
- * Read .parquet file into JSON
+ * Read file and parse as JSON
  *
  * @param {string} filePath
  * @returns {any}