What powers stackexchange.com?
Last seen Aug 2026 · 53 technologies across 24 categories
Advertising
Analytics
Authentication
Caching
CDN
Cookie compliance
Ecommerce
Font scripts
JavaScript Frameworks
JavaScript graphics
JavaScript libraries
Load balancers
Miscellaneous
Operating systems
PaaS
Performance
Retargeting
Security
Segmentation
Tag managers
UI frameworks
Web frameworks
Web servers
Webmail
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| stack exchange | #1 | 2,500 |
| imgur | #57 | 630 |
| stack | #18 | 90 |
| oedipus sophocles | #88 | 43 |
| stack exchange app | #1 | 33 |
| scott t miller | #89 | 25 |
| stack exchange philosophy | #4 | 21 |
| cleo integral | #2 | 15 |
| mathematics stack exchange | #15 | 15 |
| stack exchange sites | #1 | 9 |
| stack exchange network | #1 | 9 |
| stack e | #1 | 9 |
| game xchange | #43 | 9 |
| math stack exchange | #21 | 7 |
| english stack exchange | #3 | 7 |
| movie stack exchange | #4 | 6 |
| philosophy stack exchange | #7 | 6 |
| writing stack exchange | #2 | 5 |
| what is stack exchange used for | #2 | 5 |
| puzzling stack exchange | #6 | 5 |
| joel spolsky | #12 | 5 |
| peter may math | #7 | 4 |
| law stackexchange | #7 | 4 |
| mathoverflow | #36 | 4 |
| mathoverflow | #34 | 4 |
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
Policy unknown
Audience
- 79% phone
- 18% desktop
- 2% tablet
United States
India
United Kingdom
Italy
Germany
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
8.78 / 10 · ranked #837 of all domains
21,824 referring domains · OpenPageRank
Search traffic
3,500 est. monthly organic visits (US)
711 keywords in Google's top 30
Core Web Vitals
| LCP | 2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.3 MB · 77 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Registered Jun 2009 (17 years) via CSC Corporate Domains, Inc., renews Jun 2027
- Hosted on Cloudflare (198.252.206.1)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC reject, CAA
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 648, 517 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| bioinformatics.stackexchange.com | 33 |
| crypto.stackexchange.com | 33 |
| cseducators.stackexchange.com | 33 |
| math.stackexchange.com | 33 |
| quant.stackexchange.com | 33 |
| rpg.stackexchange.com | 33 |
| ai.stackexchange.com | 32 |
| biology.stackexchange.com | 32 |
| blender.stackexchange.com | 32 |
| chemistry.stackexchange.com | 32 |
| codegolf.stackexchange.com | 32 |
| codereview.stackexchange.com | 32 |
| computergraphics.stackexchange.com | 32 |
| cs.stackexchange.com | 32 |
| datascience.stackexchange.com | 32 |
| drones.stackexchange.com | 32 |
| dsp.stackexchange.com | 32 |
| earthscience.stackexchange.com | 32 |
| engineering.stackexchange.com | 32 |
| gamedev.stackexchange.com | 32 |
| ham.stackexchange.com | 32 |
| hsm.stackexchange.com | 32 |
| langdev.stackexchange.com | 32 |
| matheducators.stackexchange.com | 32 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Font API Aug 2026
- detected Priority Hints Aug 2026
- dropped GumGum Apr 2026
- detected Hashtag Labs Apr 2026
- detected GumGum Feb 2026
- dropped Confiant Dec 2025
- detected 33Across Oct 2025
- detected Adobe Audience Manager Oct 2025
- detected Amazon ALB Oct 2025
- detected Amazon S3 Oct 2025
- detected AppNexus Oct 2025
- detected Confiant Oct 2025
- detected Criteo Oct 2025
- detected ID5 Oct 2025
- detected OpenX Oct 2025
- detected Prebid Oct 2025
- detected PubMatic Oct 2025
- detected Rubicon Project Oct 2025
- detected Snowplow Analytics Oct 2025
- detected TripleLift Oct 2025