What powers professormerson.com?
Last seen Sep 2026 · 57 technologies across 21 categories
Analytics
Caching
CDN
CMS
Databases
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
UI frameworks
Video players
Web servers
WordPress plugins
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Oct 2026 llms.txt appeared
- Oct 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 63% phone
- 37% desktop
Brazil
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.43 / 10 · ranked #30,945,871 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Portuguese (Portugal)
- CDN: Cloudflare
- Weight: 1.2 MB · 45 requests
- WordPress theme: colormag · all themes
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.2.108, IPv6)
- DNS: Cloudflare DNS
- Email: professormerson.com
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 15,546,074, 9 hosts
- Verified with: Brevo, Google
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| comunidade.professormerson.com | 23 |
| members.professormerson.com | 23 |
| plannerdafluencia.professormerson.com | 20 |
| go.professormerson.com | 19 |
| lp.professormerson.com | 19 |
| professormerson.com | 19 |
| salr.professormerson.com | 18 |
| lp.englishquest.professormerson.com | 16 |
| quiz.professormerson.com | 14 |
| londres.grupointegrado.professormerson.com | 12 |
| inglesparaviagem.professormerson.com | 11 |
| mapadoinglesgratis.professormerson.com | 11 |
| 8horasdeinglesgratispdf.professormerson.com | 10 |
| autodidata.professormerson.com | 9 |
Full technology history →
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Recent changes
- detected LiteSpeed Sep 2026
- detected Amazon S3 Apr 2026
- detected Amazon Web Services Apr 2026
- dropped Google AdSense Mar 2026
- detected Google AdSense Jan 2026
- detected Moment.js Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- detected Cloudflare Browser Insights Nov 2025