What powers osj.fi?
Last seen Aug 2026 · 36 technologies across 18 categories
Analytics
Google Analytics
since Dec 2025
CMS
Databases
MySQL
since Jan 2022
Font scripts
Google Font API
since Jan 2022
Hosting
WordPress Multisite
since Jul 2023
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Ubuntu
since Jan 2022
Windows Server
since Dec 2025
Page builders
WordPress Block Editor
since Jul 2024
Performance
LazySizes
since Jan 2026
Priority Hints
since Feb 2024
Programming languages
PHP
since Jan 2022
TypeScript
since Dec 2025
Tag managers
Google Tag Manager
since Dec 2025
Web frameworks
Microsoft ASP.NET
since Dec 2025
Web servers
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
EWWW Image Optimizer
since Jan 2026
MetaSlider
since Feb 2022
WordPress themes
Genesis theme
since Jan 2022
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 84% phone
- 16% desktop
Finland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.02 / 10 · ranked #1,549,909 of all domains
19 referring domains · OpenPageRank
Page
- Language: Finnish
- Weight: 1.8 MB · 85 requests
- WordPress theme: genesis (child: genesis-sample) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Opetusalan Seniorijärjestö OSJ ry
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on MMD-AS Kauppakatu 3 A 4 (80.83.6.82)
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- Common Crawl link graph: rank 3,775,757, 89 hosts
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| osj.fi | 23 |
| osso.osj.fi | 20 |
| jso.osj.fi | 19 |
| tasso.osj.fi | 16 |
| lasso.osj.fi | 14 |
| app.osj.fi | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Site Kit Jun 2026
- detected Lightbox Feb 2026
- detected Slick Feb 2026
- detected EWWW Image Optimizer Jan 2026
- detected LazySizes Jan 2026