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The site can be embedded in iframes by third parties (clickjacking risk).
HTTP Status Code200 HTTP VersionHTTP/1.1 HTTPS✔ Available IP Address104.26.5.138 Server Softwarecloudflare CDNCloudflare Compressiongzip ℹ 🔵Missing Content Security PolicyCSP is not configured. It helps prevent XSS attacks and content injection. ℹ 🔵Missing X-Frame-OptionsThe site can be embedded in iframes by third parties (clickjacking risk).
Performance
DNS Lookup
8.4 ms
TCP Connect
10.1 ms
TLS Handshake
8.4 ms
Time To First Byte (TTFB)
53.3 ms
Content Download
2.4 ms
Total Response Time
55.7 ms
DNS Lookup8.4 ms TCP Connect10.1 ms TLS Handshake8.4 ms Time To First Byte (TTFB)53.3 ms Content Download2.4 ms Total Response Time55.7 ms
Security
HTTPS
✔ Enabled
HSTS
✔ max-age=15552000; includeSubDomains; preload
CSP
⚠ Not configured
X-Frame-Options
⚠ Not configured
X-Content-Type-Options
✔ nosniff
HTTP/2
⚠ HTTP/1.1
HTTPS✔ Enabled HSTS✔ max-age=15552000; includeSubDomains; preload CSP⚠ Not configured X-Frame-Options⚠ Not configured X-Content-Type-Options✔ nosniff HTTP/2⚠ HTTP/1.1
SEO Quick Check
Title
Periodic Table - Ptable
Meta Description
Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.
Canonical
https://ptable.com/?lang=en
Open Graph Title
Periodic Table - Ptable
Open Graph Description
Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.
TitlePeriodic Table - Ptable Meta DescriptionInteractive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups. Canonicalhttps://ptable.com/?lang=en Open Graph TitlePeriodic Table - Ptable Open Graph DescriptionInteractive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups. Open Graph Imagehttps://ptable.com/icon/pt-square-192.png Twitter Cardsummary
Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.