Screenshot captured after 85 ms.
404, Not Found - Sofi
See the website health and performance test results for https://sofi.algoritmik.net/, including status code, load speed, SSL, WHOIS, DNS, console logs, Chrome UX Report, resource sizes, and Pagespeed findings.
Tested on 22 Jun 2026 19:06:45.
- HTTP status 200
- Response time 468 ms
- Document load time 83 ms
- Full page load time 85 ms
- Document size 1.87 KB
- Full page size 485 B
- Mobile score 100
- Desktop score 100
Observer's Performance Suggestions
Priority actions Observer identified from this test to improve speed, reliability, and user experience.
|
Missing clickjacking protection
Error
High
The page has neither an X-Frame-Options header nor a CSP frame-ancestors directive, so it can be embedded in an iframe on any site, making it vulnerable to clickjacking attacks. Read more |
|
1 resource returned errors
Warning
High
Sub-resources returned 4xx or 5xx status codes. Broken scripts, stylesheets, or images can degrade functionality and user experience. Read more |
|
Missing Strict-Transport-Security header
Warning
High
Without HSTS, browsers can be tricked into loading the site over plain HTTP, exposing traffic to interception. Add a Strict-Transport-Security header with a long max-age. Read more |
|
Missing canonical tag
Warning
High
No <link rel="canonical"> was found. Without it, search engines may index duplicate URLs and dilute ranking signals. Add a canonical tag pointing to the preferred URL. Read more |
|
Missing viewport meta tag
Warning
High
Without a <meta name="viewport"> tag, mobile browsers render the page at desktop width and scale it down. Add a viewport meta tag to ensure proper responsive behavior. Read more |
|
No caching headers set
Warning
Medium
The response does not include Cache-Control or Expires headers. Browsers will use heuristic caching, which can serve stale content or skip caching entirely. Set explicit cache directives. Read more |
|
1 static resource without cache headers
Warning
Medium
Static assets (JS, CSS, images, fonts) are served without Cache-Control or Expires headers. Browsers will re-download them on every visit. Set long cache lifetimes with content-hashed filenames. Read more |
|
Missing meta description
Warning
Medium
No <meta name="description"> was found. Search engines use this for snippet text in results. Add a concise, relevant description to improve click-through rates. Read more |
|
1 console error during page load
Warning
Medium
JavaScript errors or failed requests can break functionality. Open the console to investigate. Read more |
|
Response headers expose server information
Warning
Low
The following headers reveal server software: server: nginx/1.24.0 (Ubuntu). Remove or genericize these headers to reduce information leakage for attackers. Read more |
Only the top 10 of 13 suggestions are shown in the public test. To see all recommendations and track every change on your website, register now.
Observer tracks these signals every day and alerts you the moment something important changes. Register now.
170 days left
Expired 36 days ago
Whois
- Registrar
- Cloudflare, Inc.
- Created
- 10 Mar 2016
- Updated
- 16 Feb 2026
- Expires
- 10 Mar 2027
- Country
- GB
- DNSSEC
- unsigned
SSL
- SSL available
- Yes
- SSL status
- valid
- Issuer
- C=US,O=Let's Encrypt,CN=E7
- Subject
- CN=*.algoritmik.net
- TLS version
- TLSv1.3
- Self-signed
- No
- Valid until
- 16 Aug 2026
DNS Records
Current DNS records returned for this domain at the time of the test.
- DNS status
- resolved
- 77.92.148.162
No records returned.
No records returned.
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt4.aspmx.l.google.com
- aspmx.l.google.com
- bella.ns.cloudflare.com
- brett.ns.cloudflare.com
- MS=3E64633F86415F79A156C3872D78E7754B566154
- google-site-verification=Mog-0FP0SS-c0L_KRnzvvC6dJsEr-3MLiePakvhWchY
- v=spf1 redirect=_spf.yandex.net include:_spf.google.com ~all
Resource Summary
Transfer size share of the tested page split by resource type.
Core Web Vitals
Key performance signals from Lighthouse, with color-coded status for what is healthy and what still needs work.
The server starts responding quickly.
First visible content appears quickly.
Main visible content loads within the recommended range.
The layout stays visually stable while loading.
Visible content fills the page quickly.
Main thread blocking stays in a healthy range.
Potential input delay stays low.
The page becomes interactive quickly.
The server starts responding quickly.
First visible content appears quickly.
Main visible content loads within the recommended range.
The layout stays visually stable while loading.
Visible content fills the page quickly.
Main thread blocking stays in a healthy range.
Potential input delay stays low.
The page becomes interactive quickly.
Loading Filmstrip
Visual loading progress from the Lighthouse run, shown in time order.
Google Pagespeed Insights
Switch between desktop and mobile Lighthouse results to review the latest performance findings for this page.
Audit Details
| Audit | Insight | Impact |
|---|---|---|
| Optimize viewport for mobile |
Tap interactions may be delayed by up to 300 ms if the viewport is not optimized for mobile. |
Open |
No Pagespeed audit issues were returned for desktop.
Browser Console Logs
Messages captured from the browser console during the real page test.
Failed to load resource: the server responded with a status of 404 (Not Found)
Resources by Transfer Size
Largest transferred resources captured during the browser test, sorted from heaviest to lightest.
| Resource | Type | Status | Duration | Transfer size | Decoded size | Blocking |
|---|---|---|---|---|---|---|
|
sofi.algoritmik.net
|
other | 404 | 3 ms | 485 B | 564 B | non-blocking |
Previous Test Results
Get daily monitoring and instant alerts with Observer.
Register Observer to keep testing your website automatically and react faster when something breaks.
Try Observer Discover