What powers checksum.ai?
Last seen Sep 2026 · 29 technologies across 16 categories
Advertising
Analytics
Appointment scheduling
CDN
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Marketing automation
Miscellaneous
PaaS
Page builders
Performance
Security
Tag managers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 * removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 100% desktop
United States
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.88 / 10 · ranked #1,815,705 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.5 MB · 93 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Industry: Software and apps (declares
SoftwareApplication)
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.21.55.252, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned, SPF names Google Workspace
- Email security: SPF (soft fail), DMARC reject
- SSL: Google Trust Services, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 9,362,240, 3 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- dropped Facebook Pixel Sep 2026
- detected Product Hunt Sep 2026
- dropped Twitter Ads Sep 2026
- dropped Framer Sites Jun 2026
- dropped React Jun 2026
- dropped AdRoll May 2026
- dropped AdRoll CMP System May 2026
- dropped Microsoft Advertising May 2026
- dropped Microsoft Clarity May 2026
- dropped Snowplow Analytics Jan 2026
- detected Snowplow Analytics Nov 2025