hstsPreload := env.Get(EnvBrowserHSTSPreload, kvs.Get(browserHSTSPreload)) == config.EnableOn

	hstsSeconds, err := strconv.Atoi(env.Get(EnvBrowserHSTSSeconds, kvs.GetWithDefault(browserHSTSSeconds, DefaultKVS)))
	if err != nil {
		return cfg, err
	}

	cfg.HSTSSeconds = hstsSeconds
	cfg.HSTSIncludeSubdomains = hstsIncludeSubdomains
	cfg.HSTSPreload = hstsPreload