The page is served over HTTPS but loads 4 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 X-Frame-Options
The site can be embedded in iframes by third parties (clickjacking risk).
HTTP Status Code200 HTTP VersionHTTP/1.1 HTTPS✔ Available IP Address38.145.34.32 Server Softwarenginx Compressiongzip 🔒 🟡Mixed Content (4 HTTP resources)The page is served over HTTPS but loads 4 resource(s) over HTTP. This may be blocked in modern browsers. ℹ 🔵Missing HSTSHTTP Strict Transport Security is not configured. Recommended for HTTPS sites. ℹ 🔵Missing X-Frame-OptionsThe site can be embedded in iframes by third parties (clickjacking risk).
Performance
DNS Lookup
5.5 ms
TCP Connect
112.7 ms
TLS Handshake
110.4 ms
Time To First Byte (TTFB)
328.8 ms
Content Download
0.1 ms
Total Response Time
328.9 ms
DNS Lookup5.5 ms TCP Connect112.7 ms TLS Handshake110.4 ms Time To First Byte (TTFB)328.8 ms Content Download0.1 ms Total Response Time328.9 ms
Security
HTTPS
✔ Enabled
HSTS
✘ Not configured
CSP
✔ Configured
X-Frame-Options
⚠ Not configured
X-Content-Type-Options
⚠ Not configured
HTTP/2
⚠ HTTP/1.1
HTTPS✔ Enabled HSTS✘ Not configured CSP✔ Configured X-Frame-Options⚠ Not configured X-Content-Type-Options⚠ Not configured HTTP/2⚠ HTTP/1.1
SEO Quick Check
Title
Valgrind Home
Meta Description
Official Home Page for valgrind, a suite of tools for debugging and profiling. Automatically detect memory management and threading bugs, and perform detailed profiling. The current stable version is valgrind-3.27.1.
TitleValgrind Home Meta DescriptionOfficial Home Page for valgrind, a suite of tools for debugging and profiling. Automatically detect memory management and threading bugs, and perform detailed profiling. The current stable version is valgrind-3.27.1.
Detected Technologies
Technology
Nginx
TechnologyNginx
HTTP Headers
Server
nginx
Date
Thu, 20 Aug 2026 16:17:07 GMT
Content-type
text/html; charset=UTF-8
Content-length
2769
X-powered-by
PHP/7.2.24
Vary
Accept-Encoding
Content-encoding
gzip
Content-security-policy
default-src 'self' http: https:
Meta Tags
Content-Type
text/html; charset=UTF-8
Content-Style-Type
text/css
Description
Official Home Page for valgrind, a suite of tools for debugging and profiling. Automatically detect memory management and threading bugs, and perform detailed profiling. The current stable version is valgrind-3.27.1.
Content-Typetext/html; charset=UTF-8 Content-Style-Typetext/css DescriptionOfficial Home Page for valgrind, a suite of tools for debugging and profiling. Automatically detect memory management and threading bugs, and perform detailed profiling. The current stable version is valgrind-3.27.1. KeywordsValgrind Memcheck Cachegrind Callgrind Massif Helgrind memory-management uninitialised memory memory leaks passing uninitialised memory overlapping pointers misuses of the POSIX pthreads