XML 站点地图的概念
我读了很多关于 xml 站点地图以及它们如何帮助搜索引擎抓取网页的内容。我相信站点地图可以帮助该网站更频繁地进入谷歌的搜索结果。但我无法理解的是 url 如何提供所有必需的信息。 例如，我们有一个大型网站，在其中拍卖二手车。以下是我们网站上的示例网址。https://www.xxxxxxx.com/Vehicles/VehicleDetails.aspx?auctionID=945&itemID=1014。
以上网址未提供有关以下内容的任何信息：汽车本身。它只是告诉拍卖 ID 和库存编号。 这个网址如何帮助搜索引擎？？？
请有人启发我。
I read pretty much about xml sitemaps and how they help search engines to crawl web pages. I believe the sitemap helps that website get into search results of google more often. But what I fail to understand is how a url would give all the required infor mation.
For example, We have a large website where used cars are sold in auctions. Here is an example url from our website.. https://www.xxxxxxx.com/Vehicles/VehicleDetails.aspx?auctionID=945&itemID=1014.
The above url does not give any information about the car itself. It just tells the auction id and stock number. How does this url help a search engine???
Please someone enlighten me.
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站点地图有两个有趣的属性：
它们包含页面的“最后修改日期”。如果您使用的是 Google 定期轮询的站点地图，您的更改将会相当快地得到考虑。否则，您必须等待 Google 扫描该特定页面，这可能需要一段时间。
它们基本上是指向您网站中所有相关页面的链接列表。这有助于 Google 找到所有页面，而不必实际抓取所有链接，还可以帮助蜘蛛找到未从网站中任何位置链接到的页面（但可能从其他网站链接到）。
Site maps have two interesting properties:
They contain the "last modification date" of pages. If you're using a site map that Google polls regularly, your changes will be taken into account fairly fast. Otherwise, you have to wait for Google to scan that specific page, which might take a while.
They're basically a list of links to all the relevant pages in your site. This helps Google find all the pages without having to actually crawl through all the links, and also helps the spider find pages that are otherwise not linked to from anywhere in the site (but might be linked to from other sites).