# Instart Web Performance (Legacy) vs Sectigo SiteLock Website Protection Solutions: side-by-side comparison (2026)

[Instart Web Performance (Legacy)](https://cybersectools.com/tools/instart-web-performance-legacy) is a commercial [cloud web application and API protection](https://cybersectools.com/categories/cloud-waap) solution by [Akamai](https://cybersectools.com/companies/akamai). [Sectigo SiteLock Website Protection Solutions](https://cybersectools.com/tools/sectigo-sitelock-website-protection-solutions) is a commercial [cloud web application and API protection](https://cybersectools.com/categories/cloud-waap) solution by [Sectigo](https://cybersectools.com/companies/sectigo). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Cloud WAAP Solutions for Business](https://cybersectools.com/shortlists/best-cloud-waap-solutions) picks Cloudflare WAF, Akamai App & API Protector, Imperva Web Application Firewall (WAF) and 3 more.

## Side-by-side comparison

| | Instart Web Performance (Legacy) | Sectigo SiteLock Website Protection Solutions |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Cloud Web Application and API Protection | Cloud Web Application and API Protection |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market |
| Company | Akamai | Sectigo |
| Headquarters | – | – |

### Use cases and capabilities

| | Instart Web Performance (Legacy) | Sectigo SiteLock Website Protection Solutions |
|---|---|---|
| Security Configuration | Yes | – |
| WAF | Yes | Yes |
| Content Security Policy | Yes | – |
| DDoS | – | Yes |
| SQL Injection | – | Yes |
| SSL | – | Yes |

### Core features

**Instart Web Performance (Legacy)**

No features listed.

**Sectigo SiteLock Website Protection Solutions**

10 features listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Instart Web Performance (Legacy)](https://cybersectools.com/tools/instart-web-performance-legacy) fits if you are an enterprise.
- [Sectigo SiteLock Website Protection Solutions](https://cybersectools.com/tools/sectigo-sitelock-website-protection-solutions) fits if you are a startup.

## Instart Web Performance (Legacy) vs Sectigo SiteLock Website Protection Solutions FAQ

Common questions when comparing Instart Web Performance (Legacy) vs Sectigo SiteLock Website Protection Solutions for cloud web application and API protection.

### What is the difference between Instart Web Performance (Legacy) and Sectigo SiteLock Website Protection Solutions?

**Instart Web Performance (Legacy)**: A legacy web application security and performance optimization solution that combines security controls with performance enhancement features. Built by Akamai.

**Sectigo SiteLock Website Protection Solutions**: Website security platform with malware scanning, WAF, CDN, and DDoS protection. Built by Sectigo.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Instart Web Performance (Legacy) and Sectigo SiteLock Website Protection Solutions?

**Instart Web Performance (Legacy)** is made by Akamai. **Sectigo SiteLock Website Protection Solutions** is made by Sectigo. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Instart Web Performance (Legacy) a good alternative to Sectigo SiteLock Website Protection Solutions?

Often, yes. Instart Web Performance (Legacy) and Sectigo SiteLock Website Protection Solutions are both Cloud Web Application and API Protection products, and both cover WAF. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Instart Web Performance (Legacy) vs Array ASF Series Web Application Firewall](https://cybersectools.com/compare/array-asf-series-web-application-firewall-vs-instart-web-performance-legacy)
- [Instart Web Performance (Legacy) vs Comodo Website Security](https://cybersectools.com/compare/comodo-website-security-vs-instart-web-performance-legacy)
- [Instart Web Performance (Legacy) vs PIOLINK WEBFRONT-K](https://cybersectools.com/compare/instart-web-performance-legacy-vs-piolink-webfront-k)
- [Sectigo SiteLock Website Protection Solutions vs Array ASF Series Web Application Firewall](https://cybersectools.com/compare/array-asf-series-web-application-firewall-vs-sectigo-sitelock-website-protection-solutions)
- [Sectigo SiteLock Website Protection Solutions vs Comodo Website Security](https://cybersectools.com/compare/comodo-website-security-vs-sectigo-sitelock-website-protection-solutions)
- [Sectigo SiteLock Website Protection Solutions vs PIOLINK WEBFRONT-K](https://cybersectools.com/compare/piolink-webfront-k-vs-sectigo-sitelock-website-protection-solutions)

## Alternatives to each

- [See all Instart Web Performance (Legacy) alternatives](https://cybersectools.com/alternatives/instart-web-performance-legacy)
- [See all Sectigo SiteLock Website Protection Solutions alternatives](https://cybersectools.com/alternatives/sectigo-sitelock-website-protection-solutions)

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Source: https://cybersectools.com/compare/instart-web-performance-legacy-vs-sectigo-sitelock-website-protection-solutions

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More on Instart Web Performance (Legacy) and Sectigo SiteLock Website Protection Solutions: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md
