diff --git a/README.md b/README.md
index 411b515..3540cfc 100644
--- a/README.md
+++ b/README.md
@@ -221,6 +221,7 @@ LOG_HTML | false | Only for debugging. If `true` all HTML that passes through th
 CAPTCHA_SOLVER | none | Captcha solving method. It is used when a captcha is encountered. See the Captcha Solvers section.
 TZ | UTC | Timezone used in the logs and the web browser. Example: `TZ=Europe/London`.
 HEADLESS | true | Only for debugging. To run the web browser in headless mode or visible.
+BROWSER_TIMEOUT | 30000 | If you are experiencing errors/timeouts because your system is slow, you can try to increase this value. Remember to increase the `maxTimeout` parameter too.
 PORT | 8191 | Listening port. You don't need to change this if you are running on Docker.
 HOST | 0.0.0.0 | Listening interface. You don't need to change this if you are running on Docker.
 
diff --git a/src/services/sessions.ts b/src/services/sessions.ts
index cc1f43e..75bc20f 100644
--- a/src/services/sessions.ts
+++ b/src/services/sessions.ts
@@ -47,7 +47,10 @@ function buildExtraPrefsFirefox(proxy: Proxy): object {
     "startup.homepage_welcome_url.additional": "",
 
     // Disable images to speed up load
-    "permissions.default.image": 2
+    "permissions.default.image": 2,
+
+    // Limit content processes to 1
+    "dom.ipc.processCount": 1
   }
 
   // proxy.url format => http://<host>:<port>
@@ -116,6 +119,7 @@ export async function create(session: string, options: SessionCreateOptions): Pr
   const puppeteerOptions: any = {
     product: 'firefox',
     headless: process.env.HEADLESS !== 'false',
+    timeout: process.env.BROWSER_TIMEOUT || 30000
   }
 
   puppeteerOptions.extraPrefsFirefox = buildExtraPrefsFirefox(options.proxy)