WordPress plugin comparison

IsSiY (Include second Sitemap into Yoast) WordPress SEO Extension vs Yoast SEO

IsSiY (Include second Sitemap into Yoast) WordPress SEO Extension

by E. Marten

10+ installs

Yoast SEO

by Yoast

10M+ installs4.8

At a glance

Yoast SEO has more active installs: 10M+, against 10+ for IsSiY (Include second Sitemap into Yoast) WordPress SEO Extension.
On a typical day, Yoast SEO is downloaded about 126,808 times, IsSiY (Include second Sitemap into Yoast) WordPress SEO Extension about 1.
IsSiY (Include second Sitemap into Yoast) WordPress SEO Extension has no reviews yet.
Yoast SEO was updated more recently: Oct 27, 2026, against Mar 10, 2014 for IsSiY (Include second Sitemap into Yoast) WordPress SEO Extension.
Yoast SEO is tested with a newer WordPress: 7.1.4, against 3.7.41 for IsSiY (Include second Sitemap into Yoast) WordPress SEO Extension.
Yoast SEO has been around longer: since 2010, against 2014 for IsSiY (Include second Sitemap into Yoast) WordPress SEO Extension.

Yoast SEO leads on 6 of 6 comparable lines.

Metric	IsSiY (Include second Sitemap into Yoast) WordPress SEO Extension	Yoast SEO
Popular rank	#40,624	#2
Active installs	10+	10M+
Downloads, last 30 days	26	11.1M
Rating	No ratings	4.8(27.8K)
Support threads resolved	–	93%
Tested up to	3.7.41	7.1.4
Search multiplier	×0.00	×7.96
Last release	12 years ago	14 days ago
Requires PHP	–	7.4

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