What powers 
chartspan.com?
Last seen Sep 2026 · 46 technologies across 21 categories
Advertising
Analytics
Authentication
CDN
CMS
Databases
Font scripts
Issue trackers
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
UI frameworks
Webmail
WordPress plugins
AI Crawlers
Restricts 12 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Restricted
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- Diffbot Restricted
- FacebookBot Restricted
- GPTBot Restricted
- meta-externalagent Restricted
Search and AI assistants
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- meta-externalfetcher 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 not found
- ai.txt not found
- Oct 2026 claudebot added to robots.txt
- Oct 2026 cohere-ai added to robots.txt
- Oct 2026 claude-web added to robots.txt
- Oct 2026 ccbot added to robots.txt
- Oct 2026 anthropic-ai added to robots.txt
- Oct 2026 bytespider added to robots.txt
AI Crawlers
12 of 33 AI crawlers restricted
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.59 / 10 · ranked #387,992 of all domains
147 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0.8 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 1.0 MB · 7 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (141.193.213.10)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 7,917,010, 6 hosts
- Verified with: Apple Business, Google, LogMeIn, Microsoft 365, OpenAI, Slack
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.chartspan.com | 31 |
| app.chartspan.com | 14 |
| engage.chartspan.com | 14 |
| forms.chartspan.com | 12 |
Full technology history →
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Recent changes
- dropped Priority Hints Sep 2026
- detected reCAPTCHA Sep 2026
- dropped reCAPTCHA Jun 2026
- detected Microsoft Clarity Mar 2026
- dropped Google Cloud Feb 2026
- dropped Google Cloud CDN Feb 2026
- dropped Nginx Feb 2026
- dropped Microsoft Clarity Jan 2026
- detected Typekit Jan 2026
- detected Microsoft Clarity Nov 2025
- detected Sentry Nov 2025