What powers esl.se?
Last seen Oct 2026 · 37 technologies across 22 categories
A/B Testing
Advertising
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Load balancers
Miscellaneous
PaaS
Page builders
Performance
Programming languages
Security
Tag managers
UI frameworks
Webmail
Widgets
WordPress plugins
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 not found
- ai.txt not found
- Oct 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Audience
- 59% desktop
- 41% phone
Sweden
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.14 / 10 · ranked #1,365,345 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Swedish
- CDN: Cloudflare
- Weight: 2.1 MB · 76 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.26.12.199, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Jan 2027
- Common Crawl link graph: rank 4,101,812, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| blog.esl.se | 29 |
| www.esl.se | 21 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Facebook Pixel Sep 2026
- detected Microsoft Clarity Sep 2026
- detected Optimizely Sep 2026
- detected Microsoft Advertising Aug 2026
- dropped CIVIC Jun 2026
- detected Twitter Emoji (Twemoji) Mar 2026
- dropped Flickity Dec 2025
- dropped Gravatar Dec 2025
- dropped Modernizr Dec 2025
- dropped Optimizely Dec 2025
- dropped WordPress Super Cache Dec 2025