What powers 
leco.com?
Last seen Sep 2026 · 61 technologies across 27 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
Databases
Ecommerce
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Marketing automation
Miscellaneous
Mobile frameworks
PaaS
Page builders
Performance
Programming languages
Security
SEO
Tag managers
UI frameworks
Video players
Web servers
Webmail
Widgets
WordPress plugins
AI Crawlers
Blocks 2 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Search and AI assistants
- PerplexityBot Blocked
User-request fetchers
- Perplexity-User Blocked
The other 31 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 perplexity-user added to robots.txt
- Sep 2026 perplexitybot added to robots.txt
- Aug 2026 llms.txt appeared
AI Crawlers
2 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 56% desktop
- 42% phone
- 2% tablet
United States
Germany
France
India
Brazil
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.70 / 10 · ranked #311,741 of all domains
163 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 3.4 MB · 72 requests
- WordPress theme: leco-2026 · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- LECO Corporation
- Founded: 1936
- Country: United States
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (141.193.213.20)
- DNS: DNS Made Easy
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 592,135, 23 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.leco.com | 35 |
| it.leco.com | 32 |
| ru.leco.com | 29 |
| pt.leco.com | 28 |
| de.leco.com | 26 |
| es.leco.com | 26 |
| fr.leco.com | 26 |
| africa.leco.com | 24 |
| la.leco.com | 24 |
| pl.leco.com | 24 |
| cz.leco.com | 23 |
| eu.leco.com | 18 |
| knowledge.leco.com | 15 |
| info.leco.com | 13 |
| leco.com | 12 |
Full technology history →
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Recent changes
- detected Cookiebot Sep 2026
- detected core-js Sep 2026
- detected Microsoft Advertising Sep 2026
- detected Three.js Sep 2026
- detected WordPress Site Editor Sep 2026
- detected Quantcast Measure Jul 2026
- detected Unpkg Jul 2026
- detected Contentsquare Jan 2026
- detected RankMath SEO Jan 2026