# Array ASF Series Web Application Firewall vs Instart Web Performance (Legacy): side-by-side comparison (2026) [Array ASF Series Web Application Firewall](https://cybersectools.com/tools/array-asf-series-web-application-firewall) is a commercial [cloud web application and API protection](https://cybersectools.com/categories/cloud-waap) solution by [Array Networks](https://cybersectools.com/companies/array-networks). [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). 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 | | Array ASF Series Web Application Firewall | Instart Web Performance (Legacy) | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Cloud Web Application and API Protection | Cloud Web Application and API Protection | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Array Networks | Akamai | | Headquarters | – | – | ### Use cases and capabilities | | Array ASF Series Web Application Firewall | Instart Web Performance (Legacy) | |---|---|---| | DDoS | Yes | – | | SSL | Yes | – | | WAF | Yes | Yes | | Web Security | Yes | – | | Security Configuration | – | Yes | | Content Security Policy | – | Yes | ### Core features **Array ASF Series Web Application Firewall** 10 features listed. Sign in on the page to see them. **Instart Web Performance (Legacy)** No features listed. ### Integrations **Array ASF Series Web Application Firewall** 6 integrations listed. Sign in on the page to see them. **Instart Web Performance (Legacy)** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Array ASF Series Web Application Firewall](https://cybersectools.com/tools/array-asf-series-web-application-firewall) fits if you need both cloud and on-premises options. - [Instart Web Performance (Legacy)](https://cybersectools.com/tools/instart-web-performance-legacy) fits if you want a cloud product. ## Array ASF Series Web Application Firewall vs Instart Web Performance (Legacy) FAQ Common questions when comparing Array ASF Series Web Application Firewall vs Instart Web Performance (Legacy) for cloud web application and API protection. ### What is the difference between Array ASF Series Web Application Firewall and Instart Web Performance (Legacy)? **Array ASF Series Web Application Firewall**: WAF protecting web apps from OWASP Top 10, DDoS, and zero-day attacks. Built by Array Networks. **Instart Web Performance (Legacy)**: A legacy web application security and performance optimization solution that combines security controls with performance enhancement features. Built by Akamai. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Array ASF Series Web Application Firewall and Instart Web Performance (Legacy)? **Array ASF Series Web Application Firewall** is made by Array Networks. **Instart Web Performance (Legacy)** is made by Akamai. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Array ASF Series Web Application Firewall a good alternative to Instart Web Performance (Legacy)? Often, yes. Array ASF Series Web Application Firewall and Instart Web Performance (Legacy) 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 - [Array ASF Series Web Application Firewall vs Myra Application Security](https://cybersectools.com/compare/array-asf-series-web-application-firewall-vs-myra-application-security) - [Array ASF Series Web Application Firewall vs Cloudflare WAF](https://cybersectools.com/compare/array-asf-series-web-application-firewall-vs-cloudflare-waf) - [Array ASF Series Web Application Firewall vs Imperva Application Security](https://cybersectools.com/compare/array-asf-series-web-application-firewall-vs-imperva-application-security) - [Instart Web Performance (Legacy) vs Myra Application Security](https://cybersectools.com/compare/instart-web-performance-legacy-vs-myra-application-security) - [Instart Web Performance (Legacy) vs Cloudflare WAF](https://cybersectools.com/compare/cloudflare-waf-vs-instart-web-performance-legacy) - [Instart Web Performance (Legacy) vs Imperva Application Security](https://cybersectools.com/compare/imperva-application-security-vs-instart-web-performance-legacy) ## Alternatives to each - [See all Array ASF Series Web Application Firewall alternatives](https://cybersectools.com/alternatives/array-asf-series-web-application-firewall) - [See all Instart Web Performance (Legacy) alternatives](https://cybersectools.com/alternatives/instart-web-performance-legacy) --- Source: https://cybersectools.com/compare/array-asf-series-web-application-firewall-vs-instart-web-performance-legacy For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/array-asf-series-web-application-firewall.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Array ASF Series Web Application Firewall and Instart Web Performance (Legacy): 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