What powers emailonacid.com?
Last seen Jun 2026 · 22 technologies across 17 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| #32 | 5,800 | |
| when was email made | #2 | 470 |
| when was email invented | #2 | 470 |
| email on acid | #1 | 440 |
| spamassassin score | #3 | 230 |
| seo email marketing | #1 | 120 |
| email marketing for seo | #1 | 120 |
| when did email begin | #4 | 110 |
| html doctype declaration | #6 | 98 |
| email invented | #2 | 78 |
| history of email | #2 | 72 |
| email history | #2 | 72 |
| acid | #25 | 64 |
| mailto html | #5 | 61 |
| mailto link html | #5 | 57 |
| when did email start | #6 | 54 |
| email checker | #84 | 53 |
| recipient sender | #1 | 52 |
| html email link | #8 | 47 |
| humorous emails | #4 | 44 |
| code mailto | #1 | 43 |
| when were emails invented | #2 | 42 |
| recipient and sender | #1 | 39 |
| email link html | #8 | 35 |
| how long has email been around | #2 | 28 |
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
- 91% desktop
- 9% phone
United States
India
United Kingdom
France
Canada
Spain
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.43 / 10 · ranked #21,747 of all domains
1,129 referring domains · OpenPageRank
Search traffic
11,300 est. monthly organic visits (US)
3,661 keywords in Google's top 30
Core Web Vitals
| LCP | 0.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 0.2 MB · 17 requests
- WordPress theme: simpletexting-theme-blank · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.emailonacid.com | 14 |
| status.emailonacid.com | 9 |
Full technology history →
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Recent changes
- dropped Mailgun Aug 2025
- dropped Salesforce Marketing Cloud Account Engagement Aug 2025
- dropped Zendesk Aug 2025