What powers 
externals.io?
Last seen Sep 2026 · 13 technologies across 9 categories
Analytics
CDN
JavaScript frameworks
Miscellaneous
PaaS
Programming languages
Search engines
UI frameworks
Web frameworks
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 found
- ai.txt not found
- Oct 2026 llms.txt appeared
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| c99 vs c89 | #10 | 1 |
| cookie decoder | #53 | 1 |
| vbnmw | #34 | 1 |
| bad file descriptor | #29 | 1 |
| multi threading in php | #11 | 1 |
| multi thread php | #9 | 1 |
| named arguments | #79 | 1 |
| nullable php | #48 | 1 |
| null parameter | #6 | 1 |
| php string interpolation | #29 | 1 |
| php multi-threading | #14 | 1 |
| php multi threading | #13 | 1 |
| php 9 | #30 | 1 |
| php 7.4 | #26 | 1 |
| max cookie length | #26 | 1 |
| maximum size of cookie | #44 | 1 |
| maximum cookie length | #51 | 1 |
| module php | #14 | 1 |
| 7.2 5 | #18 | 1 |
| get array size php | #59 | 1 |
| windows update openssl | #30 | 0 |
| zts php | #39 | 0 |
| zts php | #7 | 0 |
| c# override equal operator | #31 | 0 |
| cookie size limit | #53 | 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
No AI crawlers blocked
Standards: llms.txt
Open Page Rank
5.31 / 10 · ranked #192,664 of all domains
127 referring domains · OpenPageRank
Search traffic
20 est. monthly organic visits (US)
186 keywords in Google's top 30
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 0.2 MB · 11 requests
- Structured data: Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (13.224.125.16, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 429,414
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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