Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.26.3.138 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
🔒 🟡 Mixed Content (1 HTTP resources) | The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers. |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 104.26.3.138
Server Software cloudflare
CDN Cloudflare
Compression gzip
🔒 🟡 Mixed Content (1 HTTP resources) The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Performance
| DNS Lookup | 28.9 ms |
| TCP Connect | 30.8 ms |
| TLS Handshake | 6.9 ms |
| Time To First Byte (TTFB) | 353.4 ms |
| Content Download | 102 ms |
| Total Response Time | 455.4 ms |
DNS Lookup 28.9 ms
TCP Connect 30.8 ms
TLS Handshake 6.9 ms
Time To First Byte (TTFB) 353.4 ms
Content Download 102 ms
Total Response Time 455.4 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Retraction Watch – Tracking retractions as a window into the scientific process |
| Meta Description | Tracking retractions as a window into the scientific process |
| Robots Meta | max-image-preview:large |
| Open Graph Title | Retraction Watch |
| Open Graph Description | Tracking retractions as a window into the scientific process |
| Open Graph Image | https://retractionwatch.com/wp-content/uploads/2018/02/re... |
Title Retraction Watch – Tracking retractions as a window into the scientific process Meta Description Tracking retractions as a window into the scientific process Robots Meta max-image-preview:large Open Graph Title Retraction Watch Open Graph Description Tracking retractions as a window into the scientific process Open Graph Image https://retractionwatch.com/wp-content/uploads/2018/02/re... Detected Technologies
| Technology | WordPress jQuery Google Analytics Cloudflare PHP |
Technology WordPress jQuery Google Analytics Cloudflare PHP
HTTP Headers
| Date
| Tue, 28 Jul 2026 17:51:40 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Server
| cloudflare |
| Vary
| Accept-Encoding,Cookie |
| Last-modified
| Tue, 28 Jul 2026 10:04:54 GMT |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Cache-control
| max-age=3, must-revalidate |
| Report-to
| {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=1ZQcCIvXTttA6gJ83S6iQLEAXJexQMvERjVaEHwus%2BHJ%2Bq6QMmt61R6ypnVtVvb3caESvwthKEt9qvm1%2FM1DC2NghcIcwfXI%2BH18d%2FptdZJLr74Yj3Myt1RaeeatiqjknvYmLtvECiYHSUCL3ecWbus%3D"}]} |
| Cf-cache-status
| DYNAMIC |
| Content-encoding
| gzip |
| Cf-ray
| a225bbb4aa165fcb-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Viewport | width=device-width, initial-scale=1.0 |
| Robots | max-image-preview:large |
| Generator | WordPress 7.0.2 |
| Description | Tracking retractions as a window into the scientific process |
| Msapplication-TileImage |  |
Date Tue, 28 Jul 2026 17:51:40 GMT
Content-type text/html; charset=UTF-8
Server cloudflare
Vary Accept-Encoding,Cookie
Last-modified Tue, 28 Jul 2026 10:04:54 GMT
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Cache-control max-age=3, must-revalidate
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=1ZQcCIvXTttA6gJ83S6iQLEAXJexQMvERjVaEHwus%2BHJ%2Bq6QMmt61R6ypnVtVvb3caESvwthKEt9qvm1%2FM1DC2NghcIcwfXI%2BH18d%2FptdZJLr74Yj3Myt1RaeeatiqjknvYmLtvECiYHSUCL3ecWbus%3D"}]}
Cf-cache-status DYNAMIC
Content-encoding gzip
Cf-ray a225bbb4aa165fcb-CDG
Alt-svc h3=":443"; ma=86400