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Signature 365 on new websites

Cloud-based Microsoft 365 email signature management platform from Symprex.

Sites using Signature 365
7
since Apr 2026
Last 30 days
0.0%
of new sites, to Oct 19
no change on the 30 days before
Last 7 days
0.0%
of new sites, 7-day average
no change on the week before
Rank in Email Security
#67
of 175 tools, all time
First seen Apr 21, 2026
Last seen Sep 11, 2026

What we found

  1. Signature 365 did not appear on any new site in the last 30 days.[1]

Share of new sites using Signature 365

0.0000% 0.0003% 0.0005% 0.0008% 0.0010% 10 Sep Oct

The line is the 7-day average share of new sites that use Signature 365, since 10 September.

Email Security on new sites

# Movement Tool Share of all sites Share of category Bar
1 – AntiSpamCloud 0.1% 33.9%
2 – Proofpoint Essentials 0.1% 32.5%
3 – Premium SMTP <0.1% 7.7%
4 – SpamExperts <0.1% 4.5%
5 – MailSentinel <0.1% 2.9%
…
67 Signature 365 <0.1% <0.1%

All-time shares across the new sites we track: of all of them, and of the sites using any Email Security tool. All 175 in Email Security

Recently launched products built on Signature 365

5 of the 7 sites using Signature 365 are product launches we list individually. The other 2 are new business and personal sites: they count towards the figures above but are not listed here. A watch sends them to you.

Site Found Also detected
CTG ctg.com · United States Sep 11 jQuery Anthropic Atlassian Cloudflare
CTG ctg.com · Developer Tools · United States Sep 8 jQuery Anthropic Atlassian Cloudflare
CTG ctg.com · Developer Tools · United States Sep 8 jQuery Anthropic Atlassian Cloudflare
CTG ctg.com · United States Sep 5 jQuery Anthropic Atlassian Cloudflare
Docxedo docxedo.ai · AI · New Zealand Apr 21 Cloudflare DNS Facebook Pixel Google Ads Google Analytics

Watches, exports and the API give you all 7 sites using Signature 365, from £15 a month.

Notes

  1. These figures cover websites that went live since April 2026, not the web as a whole.

How this page is made

FirstSited looks at each new website near the day it goes live and records what it was built with. We do not go back later, so these figures describe what sites launch with, not what they run today. A site counts towards Signature 365 when we detect Signature 365 on it at that look.

Every share on this page is a proportion of the new sites we were tracking at the time. Sites we found across the wider web count towards the figures, but only product launches are listed by name. How we detect technologies · How we find new sites

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.