Error responses from scraped pages should not return metadata (#2691)

* Don't return error pages as valid scrapes

* Fix linting

* whitespace

services/scraper/index.js

@@ -75,6 +75,12 @@ const scraper = {
     });
     const html = await res.text();
 
+    if (!res.ok) {
+      let err = new Error(res.statusText);
+      err.response = res;
+      throw err;
+    }
+
     // Get the metadata from the scraped html.
     const meta = await metascraper({
       html,