Skip to content
https://igvita.com

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
87
GRADE
B
FIX
2
REVIEW
2
PASS
5
INFO
0
Probed from Madrid, Spain
301 Moved Permanently
Checks
9
5 PASS 2 REVIEW 2 FIX
D
Redirect Chain
Action
2 redirect(s), 1403 ms total
FIX
2 redirect(s), 1403 ms total
Warning::
2 redirects before reaching final URL
Each redirect adds latency. Try to minimize the chain to 1 hop.
Info::
WWW normalization redirect
Warning::
Redirect overhead: 1403 ms total
Got: 1403 ms
Info::
Cross-domain redirect detected

https://igvita.com

657 ms · HTTP/1.1

301

https://www.igvita.com/

694 ms · HTTP/1.1

301

https://ilya.grigorik.com/

51 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://igvita.com301657 msHTTP/1.1nginx/1.15.8
2https://www.igvita.com/301694 msHTTP/1.1nginx/1.15.8
3https://ilya.grigorik.com/20051 msHTTP/1.1openresty

See the visual redirect chain in the HTTP Probe tab →

Each redirect adds latency. Try to minimize the chain to 1 hop.

Why this matters

Redirect chain — each hop adds latency; combine into one redirect where possible.

Source: Google Search Central / web.dev

D
CDN & Delivery
Action
No CDN detected
FIX
No CDN detected
Warning::
No CDN detected
A CDN can significantly improve load times for users around the world by caching content at edge nodes closer to them.
No CDN detected

Consider using a CDN to improve global delivery speed and reduce origin load.

B
Crawlability
robots.txt present, no sitemap
REVIEW
robots.txt present, no sitemap
Info::
robots.txt is present
Got: 108 bytes
Info::
No sitemap.xml found
A sitemap helps search engines discover and index your pages more efficiently.
Info::
robots.txt does not reference a sitemap
Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap.

A sitemap helps search engines discover and index your pages more efficiently.

Why this matters

No sitemap.xml — Google relies on crawl-graph discovery alone, slowing indexing of deep or fresh URLs.

Learn more

A sitemap accelerates Google's discovery of new and updated content. Most CMSes auto-generate one; static-site frameworks need a build-step plugin. Reference it from robots.txt and submit in Search Console to confirm Google can fetch it.

Source: sitemaps.org / Google Search Central

Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap.

Why this matters

robots.txt omits Sitemap: directive — crawlers must fetch /sitemap.xml by convention; reliable but missing the explicit hint.

Source: sitemaps.org

robots.txt 200 OK
Size 108 B Sitemaps referenced 0 User-agents * Blocking No — crawling allowed
# www.robotstxt.org/

# www.google.com/support/webmasters/bin/answer.py?hl=en&answer=156449


User-agent: *
sitemap.xml No sitemap found

No sitemap found

Adding a sitemap helps search engines discover your pages.

B
TLS Certificate Expiry & Recommendations
65 days until leaf cert expires — 4 issues to address
REVIEW

Certificate validity

65
days left
0d 30d 60d 90d+

Recommended actions

  • Prefer TLS 1.3 — TLS 1.2 is acceptable but TLS 1.3 removes RSA key exchange and improves latency
  • Add the preload directive and submit to hstspreload.org once max-age + includeSubDomains are in place
  • Enable DNSSEC on your domain for DNS spoofing protection
  • Enable OCSP stapling on your TLS server to remove a CA roundtrip and protect user privacy
A+
DNS Records
1 A records, 37 ms lookup
PASS
1 A records, 37 ms lookup
Info::
Resolves to 1 IPv4 address(es)
Got: 173.230.151.99
Info::
Single A record — no DNS redundancy
Multiple A records provide failover if one server goes down.
Info::
Has 1 IPv6 (AAAA) record(s)
Got: 2600:3c01::f03c:91ff:fedf:810c
Info::
2 nameserver(s) configured
Got: ns51.domaincontrol.com, ns52.domaincontrol.com
Info::
4 mail exchanger(s) configured
Info::
CAA records not checked
CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
Info::
SPF record present in TXT
Info::
DNS resolution time: 37 ms
Got: 37 ms
A173.230.151.99
AAAA2600:3c01::f03c:91ff:fedf:810c
CNAME
NSns51.domaincontrol.com, ns52.domaincontrol.com
MX
0 aspmx.l.google.com
10 alt1.aspmx.l.google.com
10 alt2.aspmx.l.google.com
20 aspmx2.googlemail.com
TXT
keybase-site-verification=4kBjfHTArv4jgNOEUD9i6jyALkVcGoT67I5C0Beuzw0
yandex-verification: b2aae86a23d88a31
SPF v=spf1 include:aspmx.googlemail.com ~all
google-site-verification=tcVjrGqEVQNjzw4THvd3o9gyFnXPuIpgzKYCj1_c61Y
brave-ledger-verification=4e833e367f0c14901ac0ba5f98be024f99b1d43a2f7894cd2e70fe...
CAALookup not available with standard resolver
Resolved in 37 ms

Multiple A records provide failover if one server goes down.

Why this matters

Single A record means a single point of failure — if that IP goes down, your site is unreachable until DNS TTL expires.

Learn more

Add multiple A records for round-robin failover, or use a managed DNS provider with health-checked failover (Route 53, Cloudflare, NS1). Short TTL (60-300s) lets clients recover faster on outages.

Source: SRE practice / DNS architecture

CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.

Why this matters

Informational: CAA (Certification Authority Authorization) records weren't checked in this scan.

A+
IPv6 Readiness
IPv6 reachable (162 ms)
PASS
IPv6 reachable (162 ms)
Info::
IPv6 is configured and reachable at 2600:3c01::f03c:91ff:fedf:810c
Got: 162 ms connect
IPv6 Ready
AAAA Records 2600:3c01::f03c:91ff:fedf:810c Connection Reachable (162 ms)
A+
URL Variants
www/non-www, trailing slash, HTTP→HTTPS
PASS
www/non-www, trailing slash, HTTP→HTTPS
Info::
www/non-www redirect configured correctly (preferred: non-www)
Info::
HTTP correctly 301-redirects to HTTPS

www / non-www

301https://www.igvita.com/
200https://igvita.com/

Preferred variant: non-www

HTTP → HTTPS

301http://igvita.com/ https://www.igvita.com/

Consistent

A+
Domain Intelligence
igvita.com — via GoDaddy.com, LLC, 22 years, 5 months old
PASS
igvita.com — via GoDaddy.com, LLC, 22 years, 5 months old
Info::
Domain registered until Mar 14, 2028 (1 years, 11 months remaining)
Info::
DNSSEC is not enabled
DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it.
Info::
Registrar: GoDaddy.com, LLC
Warning::
Registrar lock is NOT enabled
The domain can be transferred without an unlock step. Enable registrar lock (clientTransferProhibited) in your registrar's control panel to protect against unauthorized or accidental transfers.
Domain expiry

640 days

March 14, 2028

SSL certificate

65 days

Issued by Let's Encrypt

Domain age

22 years, 5 months

Registered March 14, 2004

DNSSEC

Not enabled

Protects against DNS spoofing

Hosting

Unknown

2600:3c01::f03c:91ff:fedf:810c

Registrar

GoDaddy.com, LLC

Unlocked 2 NS records
Expiry timeline
Today
+1 year
Domain expiry SSL expiry Danger zone (≤30 days)
Recommended actions
  • Enable DNSSEC to protect visitors from DNS spoofing
  • Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
Registrar GoDaddy.com, LLC
Created March 14, 2004 (22 years, 5 months ago)
Expires March 14, 2028 (1 years, 11 months)
Last Updated March 15, 2026
Name Servers ns51.domaincontrol.com, ns52.domaincontrol.com
DNSSEC Not enabled
Hosting
IP Address 2600:3c01::f03c:91ff:fedf:810c
Data source: rdap (0.1s)

DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it.

Why this matters

Without DNSSEC, an attacker who can poison your DNS can hijack your domain — and SSL certs alone don't stop them.

Learn more

DNSSEC adds cryptographic signatures to DNS records, preventing forged responses from poisoning resolver caches. Without it, an attacker who controls the network path can redirect your domain to a malicious server before any HTTPS handshake happens. Most modern registrars (Cloudflare, Google Domains, Route 53) enable it with one toggle.

Source: ICANN / RFC 4033

The domain can be transferred without an unlock step. Enable registrar lock (clientTransferProhibited) in your registrar's control panel to protect against unauthorized or accidental transfers.

Why this matters

Without registrar lock, an attacker who phishes your registrar credentials can transfer the domain in minutes — total brand hijack.

Learn more

Registrar lock (clientTransferProhibited, clientUpdateProhibited, clientDeleteProhibited) requires extra verification before any transfer/update/delete. Every major registrar offers it free. Combined with 2FA on your registrar account, it's the strongest defense against domain hijacking.

Source: ICANN / domain-security best practice

A
HTTP Probe Timing
Total 672 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
37 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
158 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
320 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
673 ms
Total Time Total request time from DNS lookup through full response.
673 ms

Connection waterfall

DNS Lookup 37 ms TCP Connect 158 ms TLS Handshake 320 ms Server Processing 158 ms Content Transfer 0 ms
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

Send Feedback