Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 23.227.38.32 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 23.227.38.32
Server Software cloudflare
CDN Cloudflare
Compression gzip
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://nationaloptical.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.nationaloptical.com/ | 200 | HTTP/2 103 |
#1 URL https://nationaloptical.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.nationaloptical.com/
HTTP Status Code 200
Status HTTP/2 103
Performance
| DNS Lookup | 53.4 ms |
| TCP Connect | 55.5 ms |
| TLS Handshake | 8.8 ms |
| Time To First Byte (TTFB) | 71.8 ms |
| Content Download | 132.2 ms |
| Total Response Time | 204 ms |
DNS Lookup 53.4 ms
TCP Connect 55.5 ms
TLS Handshake 8.8 ms
Time To First Byte (TTFB) 71.8 ms
Content Download 132.2 ms
Total Response Time 204 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=7889238 |
| CSP | ✔ Configured |
| X-Frame-Options | ✔ DENY |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=7889238
CSP ✔ Configured
X-Frame-Options ✔ DENY
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | National Optical |
| Canonical | https://www.nationaloptical.com/ |
| Open Graph Title | National Optical |
| Open Graph Description | National Optical |
| Open Graph Image | http://www.nationaloptical.com/cdn/shop/files/Nat_Square.... |
| Twitter Card | summary_large_image |
| Twitter Title | National Optical |
| Twitter Description | National Optical |
Title National Optical Canonical https://www.nationaloptical.com/ Open Graph Title National Optical Open Graph Description National Optical Open Graph Image http://www.nationaloptical.com/cdn/shop/files/Nat_Square.... Twitter Card summary_large_image Twitter Title National Optical Twitter Description National Optical Detected Technologies
| Technology | Shopify Google Analytics Cloudflare |
Technology Shopify Google Analytics Cloudflare
HTTP Headers
| Link
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| Date
| Wed, 26 Aug 2026 01:46:19 GMT |
| Content-type
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| X-download-options
| noopen |
| Cf-cache-status
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| Set-cookie
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| X-permitted-cross-domain-policies
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| Shopify-complexity-score
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| Shopify-complexity-score-v2
| 86 |
| X-frame-options
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| Content-security-policy
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| Strict-transport-security
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| Vary
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| Cdn-cache-control
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| X-shopify-perf-experiments
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| Powered-by
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| Server-timing
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| X-dc
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| X-xss-protection
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| Alt-svc
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| Server
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| Report-to
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Meta Tags
| X-UA-Compatible | IE=edge,chrome=1 |
| Viewport | width=device-width,initial-scale=1,viewport-fit=cover |
| Theme-color | #a7a9ac |
| Shopify-digital-wallet | /83568165171/digital_wallets/dialog |
| Shopify-y | 90605587-74ba-476c-9659-184a16466898 |
| Shopify-s | c5ff5d20-0a51-4cfb-9c49-7d8217fdca79 |
| New-cookie-storage-activated | f |
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Date Wed, 26 Aug 2026 01:46:19 GMT
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Cf-cache-status DYNAMIC
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X-frame-options DENY
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Server-timing ipv6, earlyhints
X-dc gcp-europe-west1,gcp-europe-west1,gcp-europe-west1
X-xss-protection 1; mode=block
Alt-svc h3=":443"; ma=86400
Server cloudflare
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