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simperium.com

Simperium: A cross-platform data sync service.

Last scanned Jul 25, 2026, 12:25 PM · 4 views

83

Overall score

Great

Summary

Simperium is a cross-platform data sync service. This website uses Nginx hosted on AUTOMATTIC - Automattic, Inc, US. SEO is good (75/100) and accessibility is fair (70/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Missing canonical link.

Simperium is a cross-platform data sync service.

United States
Hosted on AUTOMATTIC - Automattic, Inc, US

Top issues to fix

8 issues found · 2 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Over half of images are missing alt text

    Accessibility

    Add alt attributes to images — screen readers depend on them, and they help image SEO.

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • Missing OpenGraph tags

    SEO

    Add og:title/og:description/og:image so shared links render a proper preview card.

+2 more issues — details in the sections below.

75

SEO

4 issue(s) found

100

Performance

268 ms

85

Security

HTTPS & header checks

70

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Simperium is a cross-platform data sync service.

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
Simperium: A cross-platform data sync service.
Description
Simperium is a cross-platform data sync service.
Canonical
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
og:description
og:type
og:url

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

CDN provider
IP address
192.0.84.247
ASN
AS2635 (AUTOMATTIC - Automattic, Inc, US)

DNS records

TypeValue
A
  • 192.0.84.247
AAAA
MX
  • mx2.ams.automattic.com
  • mx1.dfw.automattic.com
TXT
  • v=spf1 include:_spf.automattic.com include:mailgun.org ~all
NS
  • ns3.automattic.com
  • ns1.automattic.com
  • ns2.automattic.com
CAA
  • 0 issuewild "letsencrypt.org;validationmethods=dns-01;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/36334489"
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
simperium.com
Valid from
May 30, 2026
Valid to
Aug 28, 2026
Days until expiry
34
SAN domains
*.simperium.com, simperium.com

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsMissing
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: none · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 0 · H3 1

Links

8 internal · 5 external · 1 broken

Images

3 total · 2 missing alt

Scripts / Styles

10 scripts · 3 stylesheets

JS / CSS size

125 KB · 124 KB

Page size

13.1 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing canonical link
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • sitemap.xml not found

Accessibility issues

  • Over half of images are missing alt text

Careers

View careers page

This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.

Scan details

Requested URL
https://simperium.com
Final URL
https://simperium.com
HTTP status
200
HTTP version
HTTP/2
Response time
268 ms
HTML size
13.1 KB
Redirect chain
https://simperium.com

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Frequently asked questions

What technology does simperium.com use?
simperium.com is built with jQuery, Google Analytics, Nginx.
Is simperium.com secure (HTTPS)?
Yes. simperium.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 28, 2026.
Who hosts simperium.com?
simperium.com is hosted on AUTOMATTIC - Automattic, Inc, US.
What is simperium.com's SEO score?
simperium.com scored 75/100 for SEO in the latest analysis (fair).
What is simperium.com's overall website score?
simperium.com has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
Is simperium.com hiring?
simperium.com has a careers page; check it directly for current openings.