What powers grammardefinition.com?
Last seen Oct 2026 · 20 technologies across 15 categories
Advertising
Analytics
CDN
CMS
Databases
Font scripts
Load balancers
Miscellaneous
PaaS
Performance
Programming languages
Security
SEO
WordPress plugins
WordPress themes
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
- Sep 2026 bytespider 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
- Sep 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 74% desktop
- 26% phone
United States
Philippines
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.39 / 10 · ranked #38,827,271 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 0.5 MB · 31 requests
- WordPress theme: blocksy · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Grammar Definition
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.8.180, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Jan 2027
- Common Crawl link graph: rank 27,029,537
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Amazon ALB Oct 2026
- detected Amazon Web Services Oct 2026
- detected Blocksy Oct 2026
- detected Google Font API Oct 2026
- dropped core-js Aug 2026
- dropped Ezoic Aug 2026
- dropped FingerprintJS Aug 2026
- dropped GenerateBlocks Aug 2026
- dropped GeneratePress Aug 2026
- dropped Google Tag Manager Aug 2026
- dropped HSTS Aug 2026
- dropped ID5 Aug 2026
- dropped Litespeed Cache Aug 2026
- dropped Prebid Aug 2026
- dropped web-vitals Aug 2026
- dropped WordPress Block Editor Aug 2026
- detected Kadence WP Kadence Jul 2026
- dropped LiteSpeed Jun 2026
- dropped RSS Feb 2026