How many companies use All in One SEO?

TechLeads currently detects All in One SEO on 559,995 websites. HTTP Archive's monthly crawl, a separate dataset, detected it on 1,300,525 pages in September 2026.

Who are All in One SEO's biggest competitors?

By number of websites, the largest WordPress plugins technologies besides All in One SEO are Elementor (6,437,931), WooCommerce (6,046,678), Contact Form 7 (5,301,889), Yoast WordPress SEO Plugin (4,131,665), Elementor Pro (3,517,057).

Which companies use All in One SEO?

Websites using All in One SEO include collaborativejournalism.org, wmrt.com, yokohama-pinevalley.com, waval.net, kenkidryer.jp, jisaku.co.jp. The full list of 559,995 websites can be exported as a CSV for $29.

All in One SEO market share and customers

As of October 8, 2026, All in One SEO is used by 559,995 websites in the TechLeads index: 0.76% of all WordPress plugins detections, the 24th most-used of 998 WordPress plugins technologies.

559,995

websites using All in One SEO

0.76%

share of WordPress plugins

#24

of 998 in WordPress plugins

Cite this data

Quoting these numbers? Credit TechLeads with a link to this page.

Citation

TechLeads. "All in One SEO Customers and Market Share." Data as of October 8, 2026. https://techleads.fyi/technology/all-in-one-seo/market-share

HTML link

<a href="https://techleads.fyi/technology/all-in-one-seo/market-share">All in One SEO market share (TechLeads data)</a>

All in One SEO vs competitors in WordPress plugins

Websites using each technology in the TechLeads index, and its share of all WordPress plugins detections.

#	Technology	Websites	Share
1	Elementor	6,437,931	8.7%
2	WooCommerce	6,046,678	8.2%
3	Contact Form 7	5,301,889	7.2%
4	Yoast WordPress SEO Plugin	4,131,665	5.6%
5	Elementor Pro	3,517,057	4.8%
6	Yoast SEO	3,078,763	4.2%
7

All in One SEO usage over time

In HTTP Archive's monthly crawl of public websites, All in One SEO was detected on 1,300,525 pages in September 2026, down 16.7% from a year earlier (peak: 1,705,989). Among the 1,000 most-visited sites, it appeared on 8. HTTP Archive is a separate dataset from the TechLeads index, so its numbers are not added to ours.

Same month, other SEO technologies in HTTP Archive: Yoast SEO 7,372,042, RankMath SEO 2,044,480, Yoast SEO Premium 609,338, The SEO Framework 88,967, SEOmatic 32,216.

All in One SEO customers by country

Based on country-code domains (such as .de or .co.uk); websites on .com and other generic domains are not assigned a country.

US4,657
GB746
JP628
FR426
IT284
DE278
AU144
BR131
ES101
CA93

Companies using All in One SEO

collaborativejournalism.org · Collaborative Journalism
wmrt.com · World Match Racing Tour
yokohama-pinevalley.com
waval.net
kenkidryer.jp · KENKI DRYER
jisaku.co.jp
googlereklamcim.com · Dijital Medya Bili\u015fim
inetizennews.com · iNetizenNews.com
openid.net · OpenID Foundation
actionnetwork.org
optinmonster.com · OptinMonster
easydigitaldownloads.com · Easy Digital Downloads

See all 559,995 websites using All in One SEO or download the full list as a CSV for $29.

How these numbers are calculated

TechLeads scans public websites and detects All in One SEO from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is All in One SEO's website count divided by the website counts of all WordPress plugins technologies we track; a site using two WordPress plugins tools counts for both. Counts were last refreshed on October 8, 2026 and update daily.

FAQ

All in One SEO accounts for 0.76% of WordPress plugins detections in the TechLeads index (559,995 websites), which makes it the 24th most-used of 998 WordPress plugins technologies we track.