> For the complete documentation index, see [llms.txt](https://doc.sk5data.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sk5data.com/doc/zh/unlimited-residential/kuai-su-ru-men.md).

# 快速入门

了解无限住宅代理（带宽）的特点、适用场景及连接认证方式。

sk5data 无限住宅代理（带宽）在套餐有效期内不限流量，按所购套餐的带宽使用，适合大流量、批量采集和持续运行的任务。

#### 使用前须知

* **流量不限：** 套餐有效期内不限流量，传输速率受套餐带宽限制。
* **套餐独立：** 多个套餐分别配置和使用，带宽不合并。
* **会话可选：** 支持轮换与粘性会话，可根据任务选择切换 IP 或在指定时长内尽量保持同一 IP。

#### 适用场景

* **批量网页采集：** 持续获取公开网页、商品信息和内容数据。
* **电商价格与库存监控：** 定期追踪价格、促销及库存变化。
* **SEO 监控：** 采集不同地区的搜索结果，追踪关键词排名与竞品曝光变化。
* **广告验证：** 查看目标地区的广告展示与落地页内容。
* **AI 数据采集：** 获取公开文本与网页内容，用于数据集构建和知识库更新。

#### 选择认证方式

[**账密认证**](/doc/zh/unlimited-residential/zhang-mi-ren-zheng.md)

使用代理用户名和密码连接，适合浏览器、代理工具及脚本配置。

[**IP 白名单认证**](/doc/zh/unlimited-residential/bai-ming-dan-ip.md)

将使用代理设备的公网出口 IP 加入白名单，适合出口 IP 固定的服务器或程序。

#### 开始使用

在使用页面选择需要配置的套餐，按照对应认证教程完成设置。连接成功后，确认出口 IP 与地区，再开始业务任务。

> 配置前，请确认所选套餐及其到期时间。


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