# **🧩 Understanding the Connection Between OTTO and Site Audit**

OTTO projects and Site Audit are closely linked inside Search Atlas. Every time you create an OTTO project for a website, the platform automatically creates a corresponding Site Audit project for that same domain. This means that to add OTTO to a brand-new domain, you need both a free Site Audit project slot (for that domain's Site Audit) **and** a free OTTO site slot — If no Site Audit project exists for the domain, OTTO automatically creates one first, then creates the OTTO project.

Because of this relationship, you may find yourself unable to add a new site to OTTO for a brand-new domain even when it appears you have available OTTO slots remaining. The real bottleneck can be your Site Audit limit when no Site Audit project yet exists for that domain.

# **⚠️ Why This Happens: Quota Logic Explained**

Here is how the quota system works step by step:

1. Your subscription plan includes separate quotas for **Site Audit projects** and **OTTO sites**, each with its own limit.
2. Adding OTTO to a site requires a Site Audit project for that domain; if one does not already exist, OTTO automatically creates it first, then creates the OTTO project.
3. For a brand-new domain, you need both a free Site Audit project slot (for the domain's Site Audit) and a free OTTO site slot. If the domain already has a Site Audit project, only an OTTO site slot is used.
4. Purchasing additional OTTO slots adds OTTO site slots only — it will not increase your Site Audit project quota.

# **🔎 How to Check Your Current Usage**

Before troubleshooting, review your current project usage across both tools:

- Navigate to **Left sidebar → OTTO SEO → All Sites (SEO Automation)** (URL: **/seo-automation-v3**) to see all active OTTO projects and your OTTO slot usage.
- Check your Site Audit section to count how many audit projects are currently active, including any that may have been created independently of OTTO.

Look for Site Audit projects that are no longer in active use. These are common culprits for unexpectedly hitting the quota ceiling.

# **🛠️ How to Free Up Slots and Add Your New Site**

Follow these steps to resolve the issue:

1. **Audit your existing Site Audit projects.** Identify any projects for old, inactive, or test domains that you no longer need.
2. **Delete unused Site Audit projects.** Removing even one unused audit project will free up a slot and allow you to proceed.
3. **Return to OTTO SEO** (Left sidebar → OTTO SEO → All Sites (SEO Automation)) and attempt to add your new site to OTTO again.
4. If you need more simultaneous projects without removing existing ones, **upgrade your plan** to increase your Site Audit limit and/or your OTTO site limit, since these are separate quotas.

# **💡 Best Practices to Avoid Hitting Quota Limits**

- Regularly review and clean up Site Audit projects for domains you are no longer actively optimising.
- When purchasing additional slots, confirm whether your plan upgrade increases **Site Audit limits**, **OTTO site limits**, or both — OTTO top-ups add OTTO site slots only.
- Remember that Site Audit and OTTO have separate quotas, so both must have room when onboarding a brand-new domain.
- Before onboarding a new client domain into OTTO, check that you have both a free Site Audit slot and a free OTTO site slot available.

# **❓ Still Unable to Add a New Site?**

If you have freed up Site Audit slots and your quota appears to have room but you are still blocked from adding a new OTTO project, there may be a sync issue between your plan entitlements and your account. If you need further assistance, open the chat widget in the bottom-right corner of the platform and type **human teammate** to be connected with a member of our team.