| Registration on Api Center Topper System SEO | Free |
| Download Plugin | Free |
| Plugin activation | Free |
| Smart Image Lazy-Loading | Free |
| Cache-Control support | Free |
| Anti-spam support | Free |
| Optimization of source codes and images | Free for the first 10.000 registrations! Subsequently: 30 day free trial. You will not be required to register any credit cards. At the end of the free trial you can choose to purchase the plan that best suits your needs to keep the already optimized pages updated and to be able to optimize any new ones. • Annual subscription (ⅈ) The cost can vary from 37.00 to 27.50 (€) per website according to the selected plan. The purchase of an annual subscription plan allows you to use the service without limitation of optimization requests for a period of one year. This solution fully meets the needs of each website. • Pay per click (ⅈ) The cost of a credit is 0.02 (€) The service works by purchasing credits that will be deducted at each optimization request (Pay per Click). This mode is particularly suitable for small sites and / or sites that do not require frequent updates. Once exhausted, the credits can be bought back online from your Topper System SEO account under "Purchase Subscription/Credits". |
| CO2 Application | Free Only pages optimized with the Plugin can use the service. |