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sumatrapdfreader.org

sumatrapdfreader.org had about 744.02K visits in September 2026, down 6.81% from August; most traffic is search.

Sumatra PDF - Free, Fast PDF Reader for Windows

Website traffic

How much traffic does sumatrapdfreader.org get?

744.02K

-6.81%MoMEstimated monthly visits
789862.21K574.81K287.4K0
Global rank

72,164

Country rank · India

27,182

Category rank · Programming and Developer Software

915

Average visit duration

00:44

Pages per visit

2.36

Bounce rate

31.57%

Domain age

13 years

Search share

64.9%

Sources

Where does sumatrapdfreader.org's traffic come from?

  • Search
    64.9%
  • Direct
    21.0%
  • Social
    7.0%
  • Generative AI
    3.3%
  • Referrals
    3.3%
  • Email
    0.4%
  • Display ads
    0.1%
  • Other
    0.0%
  • Paid search
    0.0%

Regions

Which countries visit sumatrapdfreader.org?

  • United States
    11.7%
  • India
    10.2%
  • China
    6.7%
  • South Korea
    5.0%
  • Russia
    4.7%

See how sumatrapdfreader.org compares with the most visited websites in the world, the fastest growing websites and sites gaining organic search traffic.

Search visibility

What keywords send traffic to sumatrapdfreader.org?

Keyword samples

Estimated visitsMonthly searchesVisits ÷ searches
  1. sumatra pdfBRAND88.41K116.66K76%
  2. sumatrapdfBRAND32.81K41.91K78%
  3. sumatra pdf readerBRAND3.61K5.14K70%
  4. sumatraBRAND2.14K65.39K3%
  5. pdf readerBRAND1.29K182.21K1%

Keyword rankings

Keyword rankings

Example · google.comUnited States · English

86.4M

Search estimate

New 1 · Up 2

Ranking keywords
12,400
Landing pages
4
Search competitors
4
AI citations
2
PositionEstimated visits
  1. google#142M
  2. gmail#118.2M
  3. google maps#19.4M
  4. google drive#14.1M

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Baidu rank

Site profile

What does sumatrapdfreader.org show publicly?

  • HTTP 200
  • Email authentication
  • Hosting ASN
HTTP
200
Page size
29.5 KiB
Hosting
RENDER · AS397273
Email authentication
SPF
TLS
TLSv1.3 · 41 days
Page and SEOSchema 5
Title
Sumatra PDF - Free, Fast PDF Reader for Windows
Description
Download Sumatra PDF - a free, fast, lightweight PDF reader for Windows. Supports PDF, EPUB, MOBI, CBZ, DjVu, XPS, and CHM. No bloat, no ads.
Cross-origin redirect
Yes
Word count
511
Internal / external links
11 / 16
Canonical
https://www.sumatrapdfreader.org/free-pdf-reader
Language
en
H1 / H2
1 / 3
Images missing alt
6 / 8
Schema
Answer · FAQPage · Offer · Question · SoftwareApplication
OG / Twitter
OG · Twitter
Technology and tracking1 technologies
Technology clues
Svelte
External script hosts
files.sumatrapdfreader.org
Social links
github.com · x.com · bsky.app · medium.com
Security headers
1 / 6
Alt-Svc
Set
Email and DNS securitySet
SPF
Set
DMARC
Not found
DKIM selectors
Not found
IPv6
No AAAA
Site verification TXT
Google
SOA
gail.ns.cloudflare.com
NS
gail.ns.cloudflare.com. · terry.ns.cloudflare.com.
MX
42 route2.mx.cloudflare.net. · 50 route3.mx.cloudflare.net. · 65 route1.mx.cloudflare.net.
Hosting and networkAS397273
A
216.24.57.1
Hosting ASN
AS397273 · 216.24.57.0/24
Hosting organization
RENDER - Render
Hosting country
US
BGP announcement
Yes
Reverse DNS
ip-216-24-57-1.ingress.render.com
TLS
TLSv1.3 · Verified
Certificate issuer
WE1
Certificate remaining
41 days
Certificate SAN
DNS:sumatrapdfreader.org
robots and AI crawlingHTTP 200
Robots.txt
200
Global Disallow /
No
Sitemap
URL set · 232
AI explicitly disallowed
0
AI explicitly allowed
16
Well-known public paths
Present / checked
0 / 5

Website information

When was sumatrapdfreader.org registered?

Domain
sumatrapdfreader.org
Registration status
Domain registered
Registered
2013-10-23
Registrar
Cloudflare, Inc.
Expires
2029-10-23
Domain age
13 years
DNSSEC
No
Registry status
client transfer prohibited

Similar sites

What sites are similar to sumatrapdfreader.org?

Website reports in the same category, with nearby monthly visits.

What's in this report

The report starts with a whole-site monthly visit estimate. Search visibility and public site facts follow when they exist.

  • Website traffic is a modeled whole-site estimate, with a source, observation period and confidence.
  • Search visibility is ranking keywords and search traffic, listed separately from whole-site visits.
  • Missing or partial values stay marked in the report.