Similarweb 3-month total, split by month-over-month change
Checkout visits / site visits
42.4%
New-user source
Other
Top country
United States
Overview
Mfax (mfax.to): Online fax service to send and receive faxes from phone, computer or browser. Category on TopCheckouts: Utility.
In September 2026, Similarweb estimates about 17,192 visits went from Mfax to a checkout payment page — 156 of the 607 sites we track. In April–June it was still below the visible threshold, making it one of the sites that emerged in these months.
Total website visits that month were about 40,566 (Similarweb 3-month total, split by month-over-month change). Roughly 42.4 of every 100 visits reached the checkout page.
Largest September traffic sources: referrals/email/paid 50%, search 34%, direct 10%. (undefined)
New-user source: other — mostly paid campaigns (about 50%).
Pricing: no public price found on the site — it may appear after login or inside the app.
Checkout visits over time
0Apr–Jun avg
0Jul
9KAug
17KSep
By checkout
Checkout
Apr–Jun avg
Jul
Aug
Sep
checkout.stripe.com
0
0
9,217
17,192
Similarweb referral data; months derived from 1/2/3/6-month shares.
Website traffic & engagement
Similarweb visits (Jul–Sep)
124K (3 months)
Sep vs Aug
-2.76%
Bounce rate
41.94%
Pages / visit
2.54
Avg. visit
00:01:39
Global rank
299647
Country rank
United States · #80068
Category rank
Health/Health - Other · #1724
Traffic sources
Similarweb top channel measured, others estimated by rank
--c1 34%--c5 50%--c0 10%--cu 7%
Similarweb top 3 channels
Organic Search 33.6% › Paid Search › Direct
How the new-user source is computed
--c1 13%--c0 87%
Direct + brand search 30.1% · Direct and brand search count as viral only when the site shows sharing mechanics; the largest share wins, under 5% means Other.
Search & AI
Total keywords
976
Organic / paid search
78.97% / 21.03%
Top 5 keywords
faxzero (non-brand), mfax (brand), online pdf merger (non-brand), can you fax things through email? (brand), free fax online (brand)
Social & referrals
Referring sites
3
Referral categories
Banking Credit and Lending 69.79%, Computers Electronics and Technology - Other 0.03%, Science and Education - Other 0.03%, Other 30.15%
Visitor countries
Similarweb
United States 71.2%, Canada 3.34%, Vietnam 2.36%, Brazil 2.12%, India 1.96%
Product & pricing
Product
Online fax service to send and receive faxes from phone, computer or browser
Type (from the site)
tool/SaaS
Team
unknown
Other acquisition signals
app stores
“Free to start; try it free for 7 days”
From the site
FAQ
How many checkout visits does Mfax get per month?
In September 2026, Similarweb estimates about 17,192 visits went from Mfax to a checkout payment page — 156 of the 607 sites we track. In April–June it was still below the visible threshold, making it one of the sites that emerged in these months.
Where do Mfax's new users come from?
New-user source: other — mostly paid campaigns (about 50%).
How does Mfax charge?
Pricing: no public price found on the site — it may appear after login or inside the app.
Checkout visits are Similarweb's estimate of visits from this site to a checkout payment page; opening checkout is not paying, so this is not revenue. For how September site visits and source shares are computed see the notes at the bottom of the homepage. Data updated 2026-10-21.