What powers 
smsc.ru?
Last seen Aug 2026 · 15 technologies across 13 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
UI frameworks
Web Servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 *: Restricted (was Blocked)
- Sep 2026 *: Blocked (was Restricted)
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| smsc | #65 | 6 |
| hlr | #40 | 3 |
| hlr lookup | #98 | 1 |
| smsk | #99 | 0 |
| sms smsc | #43 | 0 |
| ping sms | #59 | 0 |
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.
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 83% desktop
- 17% phone
Russia
Germany
Netherlands
United Kingdom
Finland
Indonesia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.50 / 10 · ranked #158,401 of all domains
291 referring domains · OpenPageRank
Search traffic
10 est. monthly organic visits (US)
6 keywords in Google's top 30
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Russian (Russia)
- Weight: 0.3 MB · 47 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- СМС-центр
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on MASTERTEL-AS Moscow, Russia (31.44.91.250)
- DNS: smsc.ru
- Email: smsc.ru
- Email security: SPF (hard fail), DMARC monitor only
- SSL: GlobalSign, RSA 2048, wildcard, expires Apr 2027
- Common Crawl link graph: rank 446,065, 9 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| blog.smsc.ru | 13 |
| m.smsc.ru | 5 |
| smsc.ru | 5 |
| www.smsc.ru | 5 |
| support.smsc.ru | 1 |