What powers 
prepr.io?
Last seen Oct 2026 · 50 technologies across 18 categories
Advertising
Analytics
CDN
Development
Issue trackers
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Security
Static site generator
Tag managers
UI frameworks
Video players
Webmail
AI Crawlers
Blocks 6 of 33 AI crawlers we track by name in its robots.txt, restricts 6 more. Checked Nov 2026.
Training crawlers
- Applebot-Extended Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 21 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
- Oct 2026 claude-searchbot added to robots.txt
- Oct 2026 oai-searchbot added to robots.txt
- Oct 2026 chatgpt-user added to robots.txt
- Oct 2026 meta-externalagent added to robots.txt
- Oct 2026 applebot-extended added to robots.txt
- Oct 2026 ccbot added to robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| adaptive website | #3 | 7 |
| burnhard grills | #7 | 5 |
| mach architecture benefits | #4 | 3 |
| cms maps | #8 | 3 |
| cms market | #12 | 3 |
| mach cms | #4 | 2 |
| stimmt digital agency | #4 | 2 |
| initiative card | #9 | 1 |
| cms landing pages | #14 | 1 |
| cms for marketers | #16 | 1 |
| headless cms node | #16 | 1 |
| cms in marketing | #20 | 1 |
| xr games | #22 | 1 |
| js cms | #63 | 1 |
| monolith systems | #72 | 1 |
| mux audio | #11 | 0 |
| stillio automatic screenshots | #11 | 0 |
| coeus solutions | #13 | 0 |
| 4net | #14 | 0 |
| cms for angular | #15 | 0 |
| monolithic pricing | #15 | 0 |
| node cms | #17 | 0 |
| node js cms open source | #17 | 0 |
| nodejs content management system | #17 | 0 |
| nodejs cms open-source | #18 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
6 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 83% desktop
- 17% phone
Netherlands
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.94 / 10 · ranked #113,822 of all domains
177 referring domains · OpenPageRank
Search traffic
33 est. monthly organic visits (US)
79 keywords in Google's top 30
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 2.1 MB · 118 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 (104.26.8.55, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed, CAA, MTA-STS
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 1,895,028, 150 hosts
- Verified with: Apple Business, Google, HubSpot, Meta Business, Slack
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| prepr.io | 34 |
| docs.prepr.io | 29 |
| signin.prepr.io | 23 |
| signup.prepr.io | 22 |
| prod-breda-marketing.prepr.io | 20 |
Full technology history →
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Recent changes
- dropped Apollo Oct 2026
- dropped Cloudflare Rocket Loader Oct 2026
- dropped GraphQL Oct 2026
- dropped TypeScript Oct 2026
- dropped ActiveCampaign Mar 2026
- dropped Swiper Mar 2026