# Fortinet FortiWeb vs Instart Web Performance (Legacy): side-by-side comparison (2026) [Fortinet FortiWeb](https://cybersectools.com/tools/fortinet-fortiweb) is a commercial [cloud web application and API protection](https://cybersectools.com/categories/cloud-waap) solution by [Fortinet](https://cybersectools.com/companies/fortinet). [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. ## Our take What our shortlists say about the one we picked. ### [Fortinet FortiWeb](https://cybersectools.com/tools/fortinet-fortiweb) Best for: Teams already running Fortinet security It belongs here because one product ships in three forms, so you can cover older and newer apps the same way, and its checks on scripts in payment pages help with PCI DSS. If you already run FortiGate, it shares that ecosystem. If you do not, weigh whether you want one more vendor console in the mix. From [Best Cloud WAAP Solutions for Business](https://cybersectools.com/shortlists/best-cloud-waap-solutions), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). 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 | | Fortinet FortiWeb | 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 | Fortinet | Akamai | | Headquarters | – | – | ### Use cases and capabilities | | Fortinet FortiWeb | Instart Web Performance (Legacy) | |---|---|---| | DDoS | Yes | – | | WAF | Yes | Yes | | Security Configuration | – | Yes | | Content Security Policy | – | Yes | ### Core features **Fortinet FortiWeb** 10 features listed. Sign in on the page to see them. **Instart Web Performance (Legacy)** No features listed. ### Integrations **Fortinet FortiWeb** 17 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. - [Fortinet FortiWeb](https://cybersectools.com/tools/fortinet-fortiweb) 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. ## Fortinet FortiWeb vs Instart Web Performance (Legacy) FAQ Common questions when comparing Fortinet FortiWeb vs Instart Web Performance (Legacy) for cloud web application and API protection. ### What is the difference between Fortinet FortiWeb and Instart Web Performance (Legacy)? **Fortinet FortiWeb**: WAF protecting web apps and APIs from OWASP Top 10, bots, and DDoS attacks. Built by Fortinet. **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 Fortinet FortiWeb and Instart Web Performance (Legacy)? **Fortinet FortiWeb** is made by Fortinet. **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 Fortinet FortiWeb a good alternative to Instart Web Performance (Legacy)? Often, yes. Fortinet FortiWeb 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 - [Fortinet FortiWeb vs F5 WAF for NGINX and F5 DoS for NGINX](https://cybersectools.com/compare/f5-waf-for-nginx-and-f5-dos-for-nginx-vs-fortinet-fortiweb) - [Fortinet FortiWeb vs Sectigo SiteLock Website Protection Solutions](https://cybersectools.com/compare/fortinet-fortiweb-vs-sectigo-sitelock-website-protection-solutions) - [Fortinet FortiWeb vs Akamai App & API Protector](https://cybersectools.com/compare/akamai-app-and-api-protector-vs-fortinet-fortiweb) - [Instart Web Performance (Legacy) vs F5 WAF for NGINX and F5 DoS for NGINX](https://cybersectools.com/compare/f5-waf-for-nginx-and-f5-dos-for-nginx-vs-instart-web-performance-legacy) - [Instart Web Performance (Legacy) vs Sectigo SiteLock Website Protection Solutions](https://cybersectools.com/compare/instart-web-performance-legacy-vs-sectigo-sitelock-website-protection-solutions) - [Instart Web Performance (Legacy) vs Akamai App & API Protector](https://cybersectools.com/compare/akamai-app-and-api-protector-vs-instart-web-performance-legacy) ## Alternatives to each - [See all Fortinet FortiWeb alternatives](https://cybersectools.com/alternatives/fortinet-fortiweb) - [See all Instart Web Performance (Legacy) alternatives](https://cybersectools.com/alternatives/instart-web-performance-legacy) --- Source: https://cybersectools.com/compare/fortinet-fortiweb-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/fortinet-fortiweb.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Fortinet FortiWeb 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