Difference between HTML sitemap and XML sitemap?

HTML site map is basically use for user point of view which shows the proper navigation structure of a site. Means a user visit your sitemap page he/she easily find your pages and sub pages very easily.
XML site map is used for the search engine point of view to help the crawl to crawler crawl your site. When crawler crawl a site, if your site have XML site map the crawler very easily crawl your all pages.

The HTML sitemap is for humans. It is a quick map/overview of the pages on your site which are listed using links (with anchor text). People can use it to locate a page they need quickly and easily.

The XML sitemap is for search engine spiders/bots. It is there to tell the search engines which URLs are part of your website. It appears as code. It helps the search engines find pages that they might miss on a normal crawl and it is also good if you have dynamic content or is new. Submit the XML sitemap as a feed in webmaster tools.

HTML Sitemap for Human Navigation
XML Sitemap for Search Engine's Spider.

HTML sitemap is used to list all hyperlinks of different sections and pages of your blog/website. These hyperlinks are normally listed hierarchically and they may provide description for each link. It is no doubt that adding a HTML sitemap to your blog/website will help your visitors navigate and find information easily. So HTML sitemap is primarily created for humans.

XML sitemap lists URLs (world wide web addresses) for your blog/website in a special format. This sitemap is used for crawler who visit this xml sitemap first and then visit the site if it is updated.

One has little symbols to show you where the churches and pubs are, and the other shows all the public footpaths.

Html site map for use or visitor and xml is for search engine.

HTML Sitemap consists of visitors of website and human navigation of website. HTML site map is used f to search engine for crawling or indexing the website. XML Sitemap consists of search engine spiders and list of URL’s. XML site map is used to search engine for crawling or indexing the website.
When XML sitemap can be submitted in web master tool and then web master tool XML sitemap change to HTML site map for crawling or indexing.

HTML sitemap is for users & XML sitemap is for search engines.
XML sitemaps paves ways to search engine to easily crawl site. HTML helps users to navigate easily through sites.

In simple term HTML sitemap is for user perspective and XML sitemap is for search engine perspective. For better search engine result we should use both in our website.

An HTML sitemap is an old school landing page for users to find all of your pages on your web site via single page.
An XML sitemap can also be multiple files, but they are not visible to a user, only a search engine spider.

Site maps are very important for your homepage SEO.A XML sitemap protocol is specifically intended for search engine spiders.HTML is just a general overview of the site, just the pages and info a user needs to be concerned with.

XML sitemaps are written in XML which is a data format similar to an excel spreadsheet. These are using in Google's Webmaster Tools to quickly register the entire content of your website in the search engine.

Web sitemaps are just a page allowing people (and web spiders) quick access to all of your websites content.

HTML sitemap serves the purpose of easy navigation through different pages for the users whereas XML servers for the search engine crawlers.

Simple, the XML is primarily for the search engines while HTML is written for the users.

A sitemap is a way of informing about the web pages of the website. HTML sitemap is for users. An HTML sitemap assists the visitors of a website to navigate a website. Whereas an XML sitemap is for search engines to help them crawl the website properly. It helps the search engines to be aware of every page on the website.

XML sitemap is specially designed for the search engines to crawl the website easily. Whereas, HTML sitemap is designed for users and it provides a list of pages like an index so that users can find desired page easily.

HTML sitemap is created for users and displaying all the pages of websites are visually readable. XML sitemaps are created for machines and search engine to easily cache, index.