How to Fix 403, 500 and 503 Errors in Hosting?

403, 500 and 503 status codes are similarly blocked the opening of the site, as well as different reasons. Before the solution, the code on the browser is the time when the error starts and save the final change.

403 Forbidden error

403 error means that the server understands the request but does not allow access. False file permissions, missing index file, security rule or faulty .htaccess The line can lead to this situation. Compare folders with secure permissions such as 755, normal files 644; do not use 777.

500 Internal Server Error

500 error is mainly PHP syntax, incompatible PHP The version is caused by missing extension, corrupt plugin or incorrect web server rule. cPanel Check the error logs of the errors screen and the application. The final change is safer than to get back from backup, change the error randomly.

503 Service Unavailable

503 error occurs in the case of temporary maintenance, high welding use, running pool destruction or not respond to the application service. CPU, RAMCheck the simultaneous trading and login/out limits. You may need the app optimization or higher capacity package for repeated resourceout in shared hosting.

Secure diagnostic sequence

1. All pages of the error URLDetermine what is happening in.
2. Check the latest changes and backup status.
3. Match date and file path on error logs.
4. PHP View version, file permissions and resource usage.
5. Accurate and faulty after correction URLRe-test 's.

For site performance What is the Website Speed? You can review the guide.