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What is sitemap index and why it is useful for SEO?

kuresh.speakinglamp
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What is sitemap index and why it is useful for SEO?

What is a Sitemap Index?

A sitemap index file is simply a group of individual sitemaps, using an XML format similar to a regular sitemap file. The sitemap index allows you to include several sitemap files under one file called sitemap index. It uses almost the same syntax but instead of including your page’s URLs, you will have to add the URLs to your sitemaps.

This is why if you plan to create a website with multiple subdirectories and sitemaps, you will have to use Sitemap Index.



Using Sitemap Index files (to group multiple sitemap files)

You can provide multiple sitemap files, but each sitemap file that you provide must have no more than 50,000 URLs and must be no larger than 50 MB (52,428,800 bytes). If you would like, you may compress your sitemap files using gzip to reduce your bandwidth requirement; however the sitemap file once uncompressed must be no larger than 50MB. If you want to list more than 50,000 URLs, you must create multiple sitemap files.


The Sitemap index file must:

Begin with an opening <sitemapindex> tag and end with a closing </sitemapindex> tag.
Include a <sitemap> entry for each Sitemap as a parent XML tag.
Include a <loc> child entry for each <sitemap> parent tag.
The optional <lastmod> tag is also available for Sitemap index files.

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Last edited by maryt on 24 Sep 17 10:40 pm, edited 2 times in total.
Reason: too promotional
 

aquibsk123
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Thanks for sharing this important piece of thread on sitemap it will help beginners for a good start
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contact144_995
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We have recently launched our company website and generate site map xml format. And i have doubt in optimize the site map link . can you check the below link and send the feed back about my site map file ..

https://www.kopatech.com/sitemap-xml
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evno56
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Nice written... Helpful information about sitemap.
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webdogs
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While XML sitemaps have not been widely regarded as a tool specific for SEO, they actually ensure that a website is accurately ranked within a search engine results page. The search engine will use data from the site map located in a specific place. This is important because there are literally millions of website to be sifted through and you want to make sure that you are not doing your own website a disservice by forgoing an XML sitemap.
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yasir.ali1248
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Great guide about Sitemap.
I use Yoast SEO to handle this feature on my blog.
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Personal Blog: Blogging Scout
 
joelhuang22
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The sitemap is a list of pages on a website that is accessible to all users. The sitemap index allows us to include several sitemap files under one file called sitemap index.
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