zerossl.com
ZeroSSL
Who runs ZeroSSL, what it tracks and what it costs, and the 20 closest SSL certificate authority alternatives.
- Who’s behind it
- Not stated
- Online since
- Unknown
- Trackers
- Prices
- No pricing page
- Last price change
- –
- Closest alternative
- SSL.com
Measured from ZeroSSL’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.
Visit ZeroSSL01 · Who’s behind it
Who runs ZeroSSL
ZeroSSL zerossl.com
Free SSL certificates issued instantly online, supporting ACME clients, SSL monitoring, quick validation and automated SSL renewal via ZeroSSL Bot or REST API.
Wikidata: certificate authority
- Company
- No imprint we could read
- Online since
- Not in the Internet Archive
- Audience
- In English
02 · Privacy
What ZeroSSL tracks
What the homepage loads before you accept or decline cookies. A cookie banner should hold most of it back until you agree, and a tag manager can load more that we don’t see.
tracker that follows visitors
5 of the 20 alternatives below have fewer, 7 have more.
Privacy-friendly alternatives →- Cookie banner
- Cookiebot
- US company
- 1 tool
- EU company
- 1 tool
Tag manager
Loads further tracking scripts, which we can’t always see.
Privacy-friendly analytics
Counts visits without cookies or personal profiles.
03 · Alternatives
Alternatives to ZeroSSL
Thumbs up if it’s a real alternative to ZeroSSL, thumbs down if it isn’t.
- 01
SSL Certificate & Digital Certificate Authority - SSL.com
SSL.com provides SSL/TLS & digital certificates to secure and encrypt data with our 4096-bit SSL/TLS Certificates, trusted by all popular browsers.
Very close - 02
Let's Encrypt
Let's Encrypt is a free, automated, and open Certificate Authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our work in our Annual Report.
Very close - 03
Digital Certificates - PKI - SSL/TLS 🌎 GlobalSign GMO
We're experts in automated, Scalable, Integrated Digital Certificates Solutions, SSLs/TLSs, managed PKI, IoT, authentication & email security. Learn more about our identity management services.
Very close - 04
Certificate Management Solutions & SSL Certificates | Sectigo® Official
Sectigo is a leading provider of SSL certificates & automated certificate management solutions. A Certificate Authority trusted by global brands for 20+ years.
Very close - 05
commercial SSL certificate provider
Very close - 06
Google Trust Services | Home
Google Trust Services
Very close - 07
Smart Global SSL Security | Thawte
At Thawte, Digital Trust is at the center of confidence—confidence in visiting your site, entering information, and making a purchase.
Very close - 08
GeoTrust | SSL Digital Certificate Authority | Encryption & Authentication
SSL certificates by DigiCert secure unlimited servers with the strongest encryption and highest authentication available.
Very close - 09
Upgrade your TLS/SSL & Wildcard Certificates to GeoTrust | RapidSSL
Buy, switch and resell TLS/SSL and Wildcard certificates from GeoTrust via trusted resellers spanning the globe. Upgrade to a GeoTrust TLS/SSL certificate and get greater warranties, tools, support and security, now powered by DigiCert.
Very close - 10
SSL Certificates, Electronic Signature, Code Signing: Certum
Certum Certification Authority offers you solutions such as e-Signature, Electronic Seal, SSL Certificate or S/MIME Certificate.
Very close - 11
HARICA - Hellenic Academic and Research Institutions Certification Authority
eSignatures Secure and Legal Digital Signing Made Simple Use your eSignature to sign documents like PDFs and ensure their content is secure and authentic. Learn More Products focused on your needs HARICA offers you trusted digital certificates for secure Websites, eMail protection, Code Signing, and legally binding eSignatures and eSeals. Recognized
Very close - 12
IdenTrust – Part of HID Global
IdenTrust offers the most trusted & secure digital certificates used for digital signing, secure access & email encryption across a variety of industries.
Very close - 13
Trust Infrastructure for AI & Machines - Keyfactor
Keyfactor helps organizations secure machine identities, cryptography, and AI systems with trust infrastructure that enables digital trust, crypto-agility, and quantum readiness.
Very close - 14
Carrd - Simple, free, fully responsive one-page sites for pretty much anything
A free platform for building simple, fully responsive one-page sites for pretty much anything.
Very close - 15
Cloudflare: Build for the agent era
Welcome to Cloudflare - Powering the next generation of applications
Very close - 16
DNSExit | Dynamic DNS, Remote Access, SMTP Relay, DNS Failover and Hosting
DNSExit provides Dynamic DNS, Remote Access, SMTP relay, DNS failover, business email hosting, backup MX, SSL, domains, and web hosting for businesses, IT teams, and self-hosted users.
Very close - 17
Create Email Marketing Your Audience Will Love - MailerLite
Digital marketing tools to grow your audience faster and drive revenue smarter. Backed by 24/7 award-winning support. Check it out now!
Very close - 18
Proton: Privacy by default
Over 100 million people use Proton to stay private and secure online. Get a free Proton account and take back your privacy.
Very close - 19
porkbun.com | An oddly satisfying experience.
Porkbun is an amazingly awesome ICANN accredited domain name registrar based out of the Pacific Northwest. We're different, we're easy, and we're affordable. Use us, you won't be sorry. If you don't use us we'll be sad, but we'll still love you.
Very close - 20
Gandi.net - Gandi.net: Domain Names, Web Hosting, SSL Certificates and Emails
➤ Manage your websites, your emails, your SSL certificates, and VPS servers. ✅ Included with a domain name: 1 SSL certificate, Unlimited aliases & forwarding, and our LiveDNS.
Very close
Closest first, by how much each site’s offer resembles ZeroSSL’s. Trackers are counted the same way as above. Highlighted technologies are ones ZeroSSL uses too. Votes and comments come from visitors and don’t change the order.
04 · History
What changed
Price and policy history →No changes yet. Each new crawl is compared with the last one, and what ZeroSSL adds, drops or rewrites shows up here.
05 · Details
How we measure
Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.
The full technology stack, the competitor map and search numbers · 9 technologies
- Neighbours
- k = 20
- Sites searched
- 9,192
- Vector
- 384-d
- Query
- 44 ms
Competitor map
Each alternative by how close its vector is to ZeroSSL’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Hover for the numbers, click to jump to it in the list.
similarity × popularity
Built with
- Analytics
- Plausible asset https://plausible.io/js/pa-9r_wEuliY1n9EBXg_GvBG.js
- Tag managers
- Google Tag Manager page source: googletagmanager.com/gtm.js
- Live chat & support
- Zendesk TXT v=spf1 include:mail.zendesk.com include:spf.mandrillapp.com include:_…
- Cookie consent
- Cookiebot page source: consent.cookiebot.com/
- CDN
- Cloudflare header cf-ray: a5779346bd06a64b-HAM
- Email hosting
- Google Workspace MX aspmx.l.google.com
- Email delivery
- Mailchimp Transactional TXT v=spf1 include:mail.zendesk.com include:spf.mandrillapp.com include:_…
- DNS hosting
- Cloudflare DNS NS pearl.ns.cloudflare.com
- SaaS tools (verified in DNS)
- Google Search Console TXT google-site-verification=-98BzJupUqyGAJs5vLjvyzaRywMwUcxuCZCDvtowJ2g
What competitors use
Across the 20 closest sites.
- Google Search Console 15/20
- Microsoft 365 · not on zerossl.com 12/20
- Atlassian · not on zerossl.com 8/20
- Google Tag Manager 7/20
- Cloudflare 7/20
- Apple Business · not on zerossl.com 6/20
- Font Awesome · not on zerossl.com 6/20
- Google Analytics · not on zerossl.com 6/20
- Google Fonts · not on zerossl.com 6/20
- Google Workspace 6/20
- Salesforce · not on zerossl.com 6/20
- jQuery · not on zerossl.com 5/20
- PHP · not on zerossl.com 5/20
- Bootstrap · not on zerossl.com 5/20
- Amazon SES · not on zerossl.com 4/20
- WordPress · not on zerossl.com 4/20