What powers sendx.io?

Last seen Jun 2026 · 38 technologies across 23 categories

Advertising

Reddit Ads
since Nov 2025

Affiliate programs

FirstPromoter
since Apr 2023

Analytics

Google Analytics
since Jun 2018
Heap v4.15.0
since Jun 2018
HubSpot Analytics
since Aug 2021
Linkedin Insight Tag
since Aug 2024
Microsoft Clarity
since Jul 2025
PostHog
since Jun 2026

Caching

Varnish
since Jul 2018

CDN

Amazon CloudFront
since Aug 2025
Amazon S3
since May 2022
cdnjs
since Oct 2025
Cloudflare
since Nov 2021

Databases

Firebase
since Jul 2024

Font scripts

Google Font API
since Apr 2018

Issue trackers

Sentry
since Jul 2024

JavaScript frameworks

Alpine.js v3.14.9
since Aug 2025
Mustache v3.0.1
since Dec 2019
React
since Jun 2018
Vue.js
since Jul 2024

JavaScript libraries

jQuery v3.7.1
since Apr 2018

Live chat

HubSpot Chat
since Mar 2022
Intercom
since Jun 2018

Marketing automation

HubSpot
since Aug 2021

Miscellaneous

Open Graph
since Sep 2022

PaaS

Amazon Web Services
since May 2022

Payment processors

Stripe
since Aug 2022

Performance

Priority Hints
since Mar 2024

Programming languages

Lua
since Jun 2018
Node.js
since Jul 2024

Security

Cloudflare Bot Management
since Nov 2021

Tag managers

Google Tag Manager
since Apr 2018

UI frameworks

Animate.css
since Apr 2018

Web servers

Nginx
since Jun 2018
Nuxt.js
since Jul 2024
OpenResty
since Apr 2018

Webmail

Google Workspace
since Aug 2022

Widgets

Facebook
since Jun 2018

Top search keywords

KeywordPositionEst. monthly visits
newsletter meaning #3 530
e-newsletter #58 520
mailchimp fees #5 460
chimp mail pricing #6 340
email sequence #1 150
what is a newsletter #4 110
email blast platforms #16 78
ab test #52 63
sendgrid pricing #10 33
news letter meaning #4 32
witty email subject lines #5 28
campaign monitor cost #2 28
sendpost #1 27
what a newsletter #2 23
mailerlite email marketing #7 23
email deferred #1 21
activecampaign pricing #9 20
email blast programs #20 19
campaign monitor pricing #3 17
mailchimp newsletter examples #4 17
what is an email newsletter #2 15
email series #1 15
email newsletter #15 15
casl #54 14
casl #54 14

The site's top keywords in Google (US), with the visits each one is estimated to bring per month.

Top backlinks

Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.

Audience

  • 67% phone
  • 33% desktop
  • United States
  • India
  • Germany
  • United Kingdom
  • France
  • Canada

Countries where the site has Chrome traffic, strongest markets first.

Open Page Rank

7.36 / 10 · ranked #25,723 of all domains

788 referring domains · OpenPageRank

Search traffic

3,400 est. monthly organic visits (US)

2,543 keywords in Google's top 30

Core Web Vitals

LCP0.7 s
INP75 ms
CLS0
TTFB500 ms

Real user p75, Chrome UX Report, Jun 2026.

Page

  • Language: English
  • Weight: 3.0 MB · 230 requests

Homepage as crawled by the HTTP Archive, Jul 2026.

Subdomains

HostTechs
www.sendx.io 24
app.sendx.io 21
sendx.io 13
api.sendx.io 6
professormj-1.sendx.io 5

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