některé vyhledávače si definují vlastní formát, ve kterém jim jde dodávat data k indexování
tato data jsou poskytována paralelně k normálnímu webovému obsahu
využívá např. Zbozi.cz a Google Base
<feed xmlns="http://www.w3.org/2005/Atom"
xmlns:g="http://base.google.com/ns/1.0">
<title>Jiříkovy recepty</title>
<link rel="self" href="http://www.example.org"/>
<updated>2006-06-11T18:30:02Z</updated>
<author>
<name>Jirka Kosek</name>
</author>
<id>http://example.org/recepty/2008/09/01</id>
…
<entry>
<title>Classic Apple Pie</title>
<g:calories>150</g:calories>
<g:cholesterol>25</g:cholesterol>
<g:cooking_time>30</g:cooking_time>
<g:course>main entree</g:course>
<g:cuisine>Italian</g:cuisine>
<summary>Basic apple pie recipe you can make with your children.</summary>
<g:expiration_date>2006-12-20</g:expiration_date>
<g:fiber>9</g:fiber>
<id>1</id>
<g:image_link>http://www.example.com/image1.jpg</g:image_link>
<link href="http://www.example.com/item1-info-page.html"/>
<g:main_ingredient>tofu</g:main_ingredient>
<g:meal_type>breakfast</g:meal_type>
<g:preparation_time>30</g:preparation_time>
<g:protein>25</g:protein>
<g:saturated_fat>3</g:saturated_fat>
<g:servings>6</g:servings>
<g:sodium>1010</g:sodium>
<g:total_carbs>22</g:total_carbs>
<g:total_fat>8</g:total_fat>
</entry>
…
</feed>