What powers chelseama.gov?
Last seen Jun 2026 · 20 technologies across 10 categories
Accessibility
Analytics
CDN
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
UI frameworks
Webmail
Widgets
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026. A recent check saw a policy file missing; awaiting confirmation.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
The other 25 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| chelsea ma | #1 | 2,800 |
| chelsea city hall chelsea ma | #1 | 1,100 |
| chelsea city hall | #1 | 820 |
| chelsea public library chelsea ma | #1 | 580 |
| chelsea library | #2 | 310 |
| chelsea massachusetts | #2 | 290 |
| city of chelsea jobs | #1 | 180 |
| boston chelsea | #2 | 160 |
| chelsea boston ma | #2 | 160 |
| chelsea boston ma | #2 | 160 |
| chelsea boston | #2 | 160 |
| chelsea boston | #2 | 160 |
| chelsea building department | #1 | 79 |
| chelsea building department | #1 | 79 |
| city hall chelsea ma | #1 | 79 |
| chelsea day | #2 | 78 |
| chelsea day | #2 | 78 |
| chelsea senior center | #3 | 65 |
| chelsea district library | #6 | 48 |
| chelsea district library | #6 | 48 |
| chelsea site | #3 | 38 |
| i voted sticker | #79 | 38 |
| chelsea application | #2 | 34 |
| chelsea application | #2 | 34 |
| water chelsea | #1 | 33 |
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
8 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 63% desktop
- 37% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.29 / 10 · ranked #208,549 of all domains
118 referring domains · OpenPageRank
Search traffic
9,200 est. monthly organic visits (US)
1,785 keywords in Google's top 30
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Organisation
- Chelsea
- Founded: 1624
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.21.48.196, IPv6)
- DNS: Cloudflare DNS
- Email: Proofpoint Essentials
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 69,232, 5 hosts
- Verified with: Cisco
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| recreation.chelseama.gov | 20 |
| chelseama.gov | 19 |
| www.chelseama.gov | 19 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Browser Insights Nov 2025