What powers 
programmers.io?
Last seen Oct 2026 · 32 technologies across 18 categories
Analytics
CDN
CMS
Cookie compliance
Databases
Font scripts
Hosting
JavaScript libraries
Live chat
Marketing automation
Miscellaneous
Performance
Programming languages
Security
Tag managers
Web servers
Webmail
WordPress plugins
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 Nov 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Oct 2026 llms-full.txt removed
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 55% phone
- 45% desktop
India
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.76 / 10 · ranked #271,855 of all domains
121 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 2000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 6.6 MB · 139 requests
- WordPress theme: programmersio · all themes
- Structured data: JSON-LD, Microdata, 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 Vultr (149.28.55.218, IPv6)
- DNS: GoDaddy DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 457,439, 4 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Analytics Oct 2026
- detected Google Call Conversion Tracking Oct 2026
- detected Google Tag Manager Oct 2026
- detected HubSpot Oct 2026
- detected HubSpot Analytics Oct 2026
- detected HubSpot Chat Oct 2026
- detected HubSpot Cookie Policy Banner Oct 2026
- detected Linkedin Insight Tag Oct 2026
- detected Microsoft Clarity Oct 2026
- dropped Google Tag Manager Aug 2026
- dropped Linkedin Insight Tag Aug 2026
- dropped Microsoft Advertising Aug 2026
- dropped Microsoft Clarity Aug 2026
- dropped Priority Hints Aug 2026
- detected RSS Aug 2026
- detected Slick Aug 2026
- dropped Amazon S3 Jul 2026
- dropped Amazon Web Services Jul 2026
- dropped Backbone.js Jul 2026
- dropped Google Analytics Jul 2026
- dropped Google Call Conversion Tracking Jul 2026
- dropped HubSpot Jul 2026
- dropped HubSpot Analytics Jul 2026
- dropped HubSpot Chat Jul 2026
- dropped HubSpot Cookie Policy Banner Jul 2026
- dropped Site Kit Jul 2026
- dropped Underscore.js Jul 2026
- dropped YouTube Jul 2026
- dropped Marker Jun 2026
- detected Preact Jun 2026
- dropped core-js Apr 2026
- detected HSTS Apr 2026
- dropped LiveIntent Apr 2026
- detected YouTube Apr 2026
- detected Priority Hints Jan 2026