Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 99.86.109.71 |
| Server Software | AmazonS3 |
| CDN | CDN (RefreshHit from cloudfront) |
| Compression | gzip |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 99.86.109.71
Server Software AmazonS3
CDN CDN (RefreshHit from cloudfront)
Compression gzip
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Performance
| DNS Lookup | 30.2 ms |
| TCP Connect | 31.1 ms |
| TLS Handshake | 3.9 ms |
| Time To First Byte (TTFB) | 477.8 ms |
| Content Download | 0.1 ms |
| Total Response Time | 477.9 ms |
DNS Lookup 30.2 ms
TCP Connect 31.1 ms
TLS Handshake 3.9 ms
Time To First Byte (TTFB) 477.8 ms
Content Download 0.1 ms
Total Response Time 477.9 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=631138519 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=631138519
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Instapaper |
| Meta Description | A simple tool for saving web pages to read later on iOS, Android, computer, or eReaders. |
| Canonical | https://www.instapaper.com/ |
| Open Graph Title | Instapaper |
| Open Graph Description | A simple tool for saving web pages to read later on iOS, Android, computer, or eReaders. |
| Open Graph Image | https://www.instapaper.com/static/img/instapaper-logo.png |
| Twitter Card | summary |
| Twitter Title | Instapaper |
| Twitter Description | A simple tool for saving web pages to read later on iOS, Android, computer, or eReaders. |
| Twitter Image | https://www.instapaper.com/static/img/instapaper-logo.png |
Title Instapaper Meta Description A simple tool for saving web pages to read later on iOS, Android, computer, or eReaders. Canonical https://www.instapaper.com/ Open Graph Title Instapaper Open Graph Description A simple tool for saving web pages to read later on iOS, Android, computer, or eReaders. Open Graph Image https://www.instapaper.com/static/img/instapaper-logo.png Twitter Card summary Twitter Title Instapaper Twitter Description A simple tool for saving web pages to read later on iOS, Android, computer, or eReaders. Twitter Image https://www.instapaper.com/static/img/instapaper-logo.png Detected Technologies
| Technology | Google Analytics Google Tag Manager |
Technology Google Analytics Google Tag Manager
HTTP Headers
| Content-type
| text/html |
| Last-modified
| Fri, 14 Aug 2026 16:32:27 GMT |
| Server
| AmazonS3 |
| X-amz-server-side-encryption
| AES256 |
| Content-encoding
| gzip |
| Date
| Thu, 20 Aug 2026 03:21:00 GMT |
| Cache-control
| public, max-age=0, must-revalidate |
| Etag
| W/"cd22ab9109f25ca4111e95c7017cd1d4" |
| Vary
| Accept-Encoding |
| X-cache
| RefreshHit from cloudfront |
| Via
| 1.1 39cf1e10ef73e27a5a78fd66f3d53d3c.cloudfront.net (CloudFront) |
| X-amz-cf-pop
| CDG52-P7 |
| Alt-svc
| h3=":443"; ma=86400 |
| X-amz-cf-id
| WWJdoFUVub0y0gFhPUOq1OGl_hue9TP2J9A-ZiACSQ1MuwwB_2XIaw== |
| X-frame-options
| SAMEORIGIN |
| Referrer-policy
| strict-origin-when-cross-origin |
| X-content-type-options
| nosniff |
| Strict-transport-security
| max-age=631138519 |
Meta Tags
| Content-Security-Policy | default-src |
| X-UA-Compatible | IE=edge |
| Viewport | width=device-width, initial-scale=1.0 |
| Apple-itunes-app | app-id=288545208, affiliate-data=partnerId=30&siteID=k1CkFsOh4nQ |
| Description | A simple tool for saving web pages to read later on iOS, Android, computer, or eReaders. |
Content-type text/html
Last-modified Fri, 14 Aug 2026 16:32:27 GMT
Server AmazonS3
X-amz-server-side-encryption AES256
Content-encoding gzip
Date Thu, 20 Aug 2026 03:21:00 GMT
Cache-control public, max-age=0, must-revalidate
Etag W/"cd22ab9109f25ca4111e95c7017cd1d4"
Vary Accept-Encoding
X-cache RefreshHit from cloudfront
Via 1.1 39cf1e10ef73e27a5a78fd66f3d53d3c.cloudfront.net (CloudFront)
X-amz-cf-pop CDG52-P7
Alt-svc h3=":443"; ma=86400
X-amz-cf-id WWJdoFUVub0y0gFhPUOq1OGl_hue9TP2J9A-ZiACSQ1MuwwB_2XIaw==
X-frame-options SAMEORIGIN
Referrer-policy strict-origin-when-cross-origin
X-content-type-options nosniff
Strict-transport-security max-age=631138519
