What technology does passendo.com use?

passendo.com is built with React, Vue.js, WordPress, jQuery, Nginx.

Is passendo.com secure (HTTPS)?

Yes. passendo.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 27, 2026.

Who hosts passendo.com?

Hosting provider information for passendo.com is not available yet.

What is passendo.com's SEO score?

passendo.com scored 95/100 for SEO in the latest analysis (excellent).

What is passendo.com's overall website score?

passendo.com has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.

Has passendo.com's score changed over time?

passendo.com's overall score has stayed steady at 91/100 since Jul 27, 2026.

passendo.com

Passendo | The Best Email Advertising Platform

Last scanned Aug 4, 2026, 2:00 PM · 14 views

Overall score

Excellent

Summary

Passendo is the leading email ad server and platform for publishers and advertisers: unlock new revenue with powerful targeting and delivery. This website uses WordPress. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (80/100). Top issue: Multiple H1 headings found.

Passendo is the leading email ad server and platform for publishers and advertisers: unlock new revenue with powerful targeting and delivery.

United States

Top issues to fix

2 issues found · 1 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.

SEO

1 issue(s) found

Performance

266 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

0 overall since Jul 27, 2026

Overall: 91
SEO: 95
Security: 90
Performance: 80
Accessibility: 100

Organization

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

Passendo is the leading email ad server and platform for publishers and advertisers: unlock new revenue with powerful targeting and delivery.

LinkedIn Facebook Instagram X (Twitter)

Contact

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

Source: https://passendo.com/offices/

Meta tags

Title: Passendo | The Best Email Advertising Platform
Description: Passendo is the leading email ad server and platform for publishers and advertisers: unlock new revenue with powerful targeting and delivery.
Canonical: https://passendo.com/
Language: en-US
Charset: UTF-8
Viewport: width=device-width, initial-scale=1
Robots meta: index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Manifest

Technologies

Detected frameworks, languages, and tools.

React Vue.js WordPress jQuery Nginx

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: 35.214.242.219
ASN: AS15169 43515 ()

DNS records

Type	Value
A	35.214.242.219
AAAA	—
MX	alt2.aspmx.l.google.com aspmx3.googlemail.com aspmx.l.google.com alt1.aspmx.l.google.com aspmx2.googlemail.com
TXT	v=spf1 redirect=passendo.com.hosted.spf-report.com
NS	ns-1263.awsdns-29.org ns-318.awsdns-39.com ns-1915.awsdns-47.co.uk ns-887.awsdns-46.net
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: passendo.com
Valid from: Jun 29, 2026
Valid to: Sep 27, 2026
Days until expiry: 53
SAN domains: passendo.com, www.passendo.com

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 2 · H2 9 · H3 6

Links

35 internal · 10 external · 0 broken

Images

66 total · 0 missing alt

Scripts / Styles

68 scripts · 39 stylesheets

JS / CSS size

847 KB · 400 KB

Page size

620 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 0
sitemap.xml: Found
URLs in sitemap: -1

SEO issues

Multiple H1 headings found

Scan details

Requested URL: https://passendo.com
Final URL: https://passendo.com
HTTP status: 200
HTTP version: HTTP/2
Response time: 254 ms
HTML size: 620 KB
Redirect chain: https://passendo.com

See something wrong on this report? Request a correction

Same technology stack

com-in.net

COM-IN – Gigaschnelles Internet!

wordpressnginxreact

conservativehome.com

Conservative Home | Comprehensive, independent coverage of the UK Conservative Party

wordpressnginxgoogle-analytics

mega.kg

Мега-Лайн - Интернет-провайдер в Кыргызстане

wordpressphpnginx

ecu.edu

Home - East Carolina University

wordpressnginxjquery

· Fastly

boomi.com

Boomi | The Data Activation Company

wordpressnginxreact

· Fastly

messukeskus.com

Etusivu - Messukeskus

wordpressjqueryreact

· Cloudflare

Frequently asked questions

What technology does passendo.com use?: passendo.com is built with React, Vue.js, WordPress, jQuery, Nginx.
Is passendo.com secure (HTTPS)?: Yes. passendo.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 27, 2026.
Who hosts passendo.com?: Hosting provider information for passendo.com is not available yet.
What is passendo.com's SEO score?: passendo.com scored 95/100 for SEO in the latest analysis (excellent).
What is passendo.com's overall website score?: passendo.com has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
Has passendo.com's score changed over time?: passendo.com's overall score has stayed steady at 91/100 since Jul 27, 2026.