# Troubleshooting

Source: https://support.kapsulehost.com/en-nz/topic/troubleshooting

Fix errors, outages and slow sites.

6 articles

- [My Website Is Not Loading: Diagnostic Checklist](https://support.kapsulehost.com/en-nz/website-not-loading): Work through these steps in order. Each step either identifies the cause or rules it out. Most issues are resolved by step 5.
- [Site Down: Matching What You See to the Cause](https://support.kapsulehost.com/en-nz/site-down-triage): This is the cross-product triage tree for a site that will not load. KapsuleHost runs several products, and the fastest way to find the cause is not to guess which one is at fault, but to look…
- [Using Cloudflare or Another Proxy with KapsuleHost](https://support.kapsulehost.com/en-nz/using-cloudflare-with-kapsule): How to put a third-party proxy or CDN in front of a KapsuleHost site, including the two settings that break sites, the records that must never be proxied, and how to undo it.
- [Site Slowness and Resource Limits](https://support.kapsulehost.com/en-nz/site-slow-resource-limits): What your hosting plan actually limits, what happens when you reach each limit, and how to work out whether a slow site is a resource problem or a code problem.
- [PHP Extensions and Settings](https://support.kapsulehost.com/en-nz/php-extensions-and-ini): Which PHP versions and extensions KapsuleHost web hosting provides for WordPress, WooCommerce and PHP sites, which settings you can change yourself, and why a change can take up to five minutes to…
- [HTTP Error Codes on KapsuleHost](https://support.kapsulehost.com/en-nz/http-error-codes): What 403, 404, 500, 502, 503 and 504 actually mean on this platform, and the specific thing to do about each one.

Guides for finding and fixing problems with a website: working out why it is down, reading HTTP error codes, spotting resource limits that slow it, PHP settings, and running behind Cloudflare or another proxy. If your site is down, start with [Site Down: Matching What You See to the Cause](https://support.kapsulehost.com/en-nz/site-down-triage). For a specific error, see [HTTP Error Codes on KapsuleHost](https://support.kapsulehost.com/en-nz/http-error-codes).

## Topics

- [Getting Started](https://support.kapsulehost.com/en-nz/topic/getting-started) (3 articles)
- [Email](https://support.kapsulehost.com/en-nz/topic/email) (22 articles)
- [Billing & Plans](https://support.kapsulehost.com/en-nz/topic/billing-and-plans) (16 articles)
- [Domains](https://support.kapsulehost.com/en-nz/topic/domains) (17 articles)
- [Websites](https://support.kapsulehost.com/en-nz/topic/sites) (37 articles)
- [DNS](https://support.kapsulehost.com/en-nz/topic/dns) (6 articles)
- [CDN](https://support.kapsulehost.com/en-nz/topic/cdn) (2 articles)
- [Hosting](https://support.kapsulehost.com/en-nz/topic/hosting) (3 articles)
- [Servers](https://support.kapsulehost.com/en-nz/topic/cloud-servers) (20 articles)
- [Security](https://support.kapsulehost.com/en-nz/topic/security) (9 articles)
- [Support](https://support.kapsulehost.com/en-nz/topic/support) (8 articles)
- [Backups](https://support.kapsulehost.com/en-nz/topic/backups) (2 articles)
- [WordPress](https://support.kapsulehost.com/en-nz/topic/wordpress) (16 articles)
- [Troubleshooting](https://support.kapsulehost.com/en-nz/topic/troubleshooting) (6 articles)
- [Account](https://support.kapsulehost.com/en-nz/topic/account) (16 articles)