I am Hack Sparrow
Captain of the Internets.

How to Generate Compressed XML Sitemaps Using PHP

So you figured your 5 mb-and-growing dynamically generated XML sitemap has been a major bandwidth hog and are scared it might bring your website  on its knees; or maybe you wanna play nice with Google by serving it a fast loading compressed XML sitemap. Whatever be the reason, you are here to find out how to compress your xml sitemap and output it as a .gz file, something like sitemap.xml.gz. Compressed XML Sitemap ...