diff --git a/src/drivers/npm/cli.js b/src/drivers/npm/cli.js
index 9e2644bdb..197a6a122 100755
--- a/src/drivers/npm/cli.js
+++ b/src/drivers/npm/cli.js
@@ -17,6 +17,7 @@ const aliases = {
   h: 'help',
   D: 'maxDepth',
   m: 'maxUrls',
+  p: 'probe',
   P: 'pretty',
   r: 'recursive',
   w: 'maxWait',
@@ -68,6 +69,7 @@ Options:
   -D, --max-depth=...      Don't analyse pages more than num levels deep
   -m, --max-urls=...       Exit when num URLs have been analysed
   -w, --max-wait=...       Wait no more than ms milliseconds for page resources to load
+  -p, --probe              Perform a deeper scan by making additional network requests
   -P, --pretty             Pretty-print JSON output
   -r, --recursive          Follow links on pages (crawler)
   -a, --user-agent=...     Set the user agent string
diff --git a/src/drivers/npm/driver.js b/src/drivers/npm/driver.js
index 8a70d876e..2ecb3efda 100644
--- a/src/drivers/npm/driver.js
+++ b/src/drivers/npm/driver.js
@@ -468,7 +468,7 @@ class Site {
                 })
               )
             )
-          ).catch(() => [])
+          ).catch(() => ({ jsonValue: () => [] }))
         ).jsonValue()
       ).catch(() => [])
 
@@ -499,7 +499,7 @@ class Site {
 
               return css.join('\n')
             }, this.options.htmlMaxRows)
-          ).catch(() => '')
+          ).catch(() => ({ jsonValue: () => '' }))
         ).jsonValue()
       ).catch(() => '')
 
@@ -512,7 +512,7 @@ class Site {
                 .map(({ src }) => src)
                 .filter((src) => src)
             )
-          ).catch(() => [])
+          ).catch(() => ({ jsonValue: () => [] }))
         ).jsonValue()
       ).catch(() => [])
 
@@ -535,7 +535,7 @@ class Site {
                 {}
               )
             )
-          ).catch(() => [])
+          ).catch(() => ({ jsonValue: () => [] }))
         ).jsonValue()
       ).catch(() => [])
 
@@ -833,15 +833,15 @@ class Site {
         await sleep(this.options.delay * index)
       }
 
-      if (this.options.probe) {
-        await this.probe(url)
-      }
-
       const links = await this.goto(url)
 
       if (links && this.options.recursive && depth < this.options.maxDepth) {
         await this.batch(links.slice(0, this.options.maxUrls), depth + 1)
       }
+
+      if (this.options.probe) {
+        await this.probe(url)
+      }
     } catch (error) {
       this.analyzedUrls[url.href] = {
         status: 0,
@@ -888,6 +888,7 @@ class Site {
   async probe(url) {
     const files = {
       robots: '/robots.txt',
+      magento: '/magento_version',
     }
 
     for (const file of Object.keys(files)) {
diff --git a/src/drivers/webextension/css/styles.css b/src/drivers/webextension/css/styles.css
index 1c6cbb0a1..cfb5bc58a 100644
--- a/src/drivers/webextension/css/styles.css
+++ b/src/drivers/webextension/css/styles.css
@@ -95,7 +95,7 @@ a, a:focus, a:hover {
 
 .footer__heading-text {
   flex: 1 0;
-  font-size: 1rem;
+  font-size: .9rem;
   font-weight: bold;
 }
 
diff --git a/src/technologies.json b/src/technologies.json
index c5abf8000..8266e719f 100644
--- a/src/technologies.json
+++ b/src/technologies.json
@@ -11305,6 +11305,7 @@
         "Mage": "",
         "VarienForm": ""
       },
+      "magento": "Magento/([0-9.]+)\\;version:\\1",
       "oss": true,
       "scripts": [
         "js/mage",
diff --git a/src/wappalyzer.js b/src/wappalyzer.js
index e0e68d70e..bf1cb5b12 100644
--- a/src/wappalyzer.js
+++ b/src/wappalyzer.js
@@ -197,6 +197,7 @@ const Wappalyzer = {
     html,
     css,
     robots,
+    magento,
     meta,
     headers,
     dns,
@@ -222,6 +223,7 @@ const Wappalyzer = {
               oo(technology, 'html', html),
               oo(technology, 'css', css),
               oo(technology, 'robots', robots),
+              oo(technology, 'magento', magento),
               oo(technology, 'certIssuer', certIssuer),
               om(technology, 'scripts', scripts),
               mm(technology, 'cookies', cookies),
@@ -255,6 +257,7 @@ const Wappalyzer = {
         html,
         css,
         robots,
+        magento,
         meta,
         headers,
         dns,
@@ -295,6 +298,7 @@ const Wappalyzer = {
         css: transform(css),
         certIssuer: transform(certIssuer),
         robots: transform(robots),
+        magento: transform(magento),
         meta: transform(meta),
         scripts: transform(scripts),
         js: transform(js, true),