Total
2.27 MB
51 requests
100% of total size
Screenshot captured after 3.4 s.
Observer - Insightful Monitoring, Smart Optimization
See the website health and performance test results for https://siteobserver.co/, including status code, load speed, SSL, WHOIS, DNS, console logs, Chrome UX Report, resource sizes, and Pagespeed findings.
Tested on 9 May 2026 21:46:49.
Up
- HTTP status 200
- Response time 417 ms
- Document load time 1.59 s
- Full page load time 3.4 s
- Document size 35.34 KB
- Full page size 1.16 MB
71/100
- Mobile score 71
- Desktop score 95
Observer's Performance Suggestions
Priority actions Observer identified from this test to improve speed, reliability, and user experience.
2 images served larger than displayed
Error
Medium 2 images are served at intrinsic dimensions more than 120% of their display size. Worst offender is 143% of display size. Resize images to match their rendered dimensions to save bandwidth. Read more |
Mobile score is 24 points lower than desktop
Warning
High Desktop scores 95/100 but mobile only 71/100. Optimize for mobile CPU, network and viewport — most real-world traffic is mobile. Read more |
1 slow third-party resource
Warning
High 1 third-party resource took longer than 1 second to load. Slowest: https://www.google.com/recaptcha/api2/anchor?ar=1&k=6LcrRNAsAAAAACoZXJ85Kng0wLGEvV6MnS6Qbax8&co=aHR0cHM6Ly9zaXRlb2JzZXJ2ZXIuY286NDQz&hl=en&v=U5VsmTDhJM1iOJUyw4DEUTYv&size=invisible&anchor-ms=20000&execute-ms=30000&cb=7wl2qd8i8sto at 1316 ms. Consider self-hosting critical assets or lazy-loading non-essential ones. 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 |
Mobile performance needs improvement (71/100)
Warning
Medium Score is below 90. Tackle the highest-impact audits to push into the green. Read more |
High Total Blocking Time (347 ms)
Warning
Medium Long JavaScript tasks block the main thread, making the page feel unresponsive. Split long tasks, defer non-critical scripts, and reduce third-party JavaScript. 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 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: cloudflare, x-powered-by: PHP/8.3.30. Remove or genericize these headers to reduce information leakage for attackers. Read more |
Reduce unused CSS
Info
Medium Remove CSS rules that are never applied to lighten the critical request. Read more |
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30 Jan 2027
255 days left
6 Aug 2026
77 days left
Whois
- Registrar
- Cloudflare, Inc.
- Created
- 30 Jan 2024
- Updated
- 9 Jan 2026
- Expires
- 30 Jan 2027
- Country
- GB
- DNSSEC
- unsigned
SSL
- Issuer
- C=US,O=Google Trust Services,CN=WE1
- Subject
- CN=siteobserver.co
- TLS version
- TLSv1.3
- Self-signed
- No
- Valid until
- 6 Aug 2026
DNS Records
Current DNS records returned for this domain at the time of the test.
- 104.21.17.148
- 172.67.177.8
- 2606:4700:3033::6815:1194
- 2606:4700:3035::ac43:b108
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
- google-site-verification=IHZ_IBF5ZBvbtOOTCyO5xy6pXqz7C_haHfnoA6em43U
- openai-domain-verification=dv-efFnJnqVEH71425lRfgvY0OY
- v=spf1 include:_spf.google.com -all
Resource Summary
Transfer size share of the tested page split by resource type.
Script
1.1 MB
12 requests
48% of total size
Other
536.09 KB
13 requests
23% of total size
Font
291.32 KB
4 requests
13% of total size
Image
262.99 KB
11 requests
11% of total size
Stylesheet
66.96 KB
9 requests
2.9% of total size
Document
42.13 KB
2 requests
1.8% of total size
Media
0 B
0 requests
0.0% of total size
Third-party
1.54 MB
16 requests
68% of total size
Total
2.76 MB
44 requests
100% of total size
Script
1.1 MB
12 requests
40% of total size
Image
780.49 KB
12 requests
28% of total size
Other
535.57 KB
12 requests
19% of total size
Font
291.12 KB
4 requests
10% of total size
Stylesheet
59.47 KB
2 requests
2.1% of total size
Document
38.55 KB
2 requests
1.4% of total size
Media
0 B
0 requests
0.0% of total size
Third-party
1.44 MB
13 requests
52% of total size
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 is slower than recommended.
Main visible content takes too long to appear.
The layout stays visually stable while loading.
Visible content fills the page quickly.
Script execution still delays interactivity.
Potential input delay may still feel sluggish.
Users wait too long before the page responds.
TTFB
602 ms
FCP
2.29 s
LCP
4.92 s
TTI
13.95 s
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.
TTFB
162 ms
FCP
301 ms
LCP
613 ms
TTI
3.43 s
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.
Mobile
71
Desktop
95
Audit Details
| Audit | Insight | Impact |
|---|---|---|
| Improve image delivery | Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size
| Est savings of 204 KiB |
| Network dependency tree | Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load. | Open |
| Reduce JavaScript execution time | Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.
| 2.7 s |
| Render blocking requests | Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.
| Est savings of 2,030 ms |
| LCP request discovery | Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading | Open |
| Minimize main-thread work | Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work | 4.0 s |
| Use efficient cache lifetimes | A long cache lifetime can speed up repeat visits to your page. Learn more about caching.
| Est savings of 385 KiB |
| Time to Interactive | Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric. | 14.0 s |
| Largest Contentful Paint | Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric | 4.9 s |
| Reduce unused JavaScript | Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
| Est savings of 506 KiB |
| Minify CSS | Minifying CSS files can reduce network payload sizes. Learn how to minify CSS.
| Est savings of 4 KiB |
| Font display | Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.
| Est savings of 10 ms |
| Reduce unused CSS | Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.
| Est savings of 40 KiB |
| Max Potential First Input Delay | The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric. | 200 ms |
| Total Blocking Time | Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric. | 350 ms |
| First Contentful Paint | First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric. | 2.3 s |
Audit Details
| Audit | Insight | Impact |
|---|---|---|
| Network dependency tree | Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load. | Open |
| Reduce unused CSS | Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.
| Est savings of 53 KiB |
| LCP request discovery | Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading | Open |
| Reduce unused JavaScript | Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
| Est savings of 506 KiB |
| Reduce JavaScript execution time | Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.
| 2.0 s |
| Minimize main-thread work | Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work | 3.1 s |
| Use efficient cache lifetimes | A long cache lifetime can speed up repeat visits to your page. Learn more about caching.
| Est savings of 798 KiB |
| Render blocking requests | Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.
| Est savings of 130 ms |
| Improve image delivery | Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size
| Est savings of 609 KiB |
| Avoid enormous network payloads | Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.
| Total size was 2,827 KiB |
| Font display | Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.
| Est savings of 20 ms |
| Time to Interactive | Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric. | 3.4 s |
Browser Console Logs
Messages captured from the browser console during the real page test.
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 |
|---|---|---|---|---|---|---|
www.gstatic.com | script | 200 | 207 ms | 364.11 KB | 855.99 KB | non-blocking |
siteobserver.co | img | 200 | 206 ms | 247.6 KB | 247.31 KB | non-blocking |
| script | 200 | 191 ms | 96.39 KB | 374.94 KB | non-blocking | |
siteobserver.co | css | 200 | 191 ms | 86.88 KB | 163.68 KB | non-blocking |
siteobserver.co | css | 200 | 196 ms | 86.32 KB | 163.59 KB | non-blocking |
siteobserver.co | css | 200 | 195 ms | 85.12 KB | 161.18 KB | non-blocking |
siteobserver.co | fetch | 200 | 186 ms | 28.68 KB | 43.21 KB | non-blocking |
siteobserver.co | xmlhttprequest | 200 | 189 ms | 28.68 KB | 43.21 KB | non-blocking |
siteobserver.co | xmlhttprequest | 200 | 187 ms | 25.84 KB | 44.55 KB | non-blocking |
siteobserver.co | fetch | 200 | 188 ms | 25.69 KB | 44.55 KB | non-blocking |
siteobserver.co | xmlhttprequest | 200 | 14 ms | 19.01 KB | 118.97 KB | non-blocking |
siteobserver.co | fetch | 200 | 88 ms | 18.97 KB | 118.97 KB | non-blocking |
| link | 200 | 92 ms | 16.69 KB | 101.66 KB | blocking | |
| script | 200 | 196 ms | 11.87 KB | 32.76 KB | non-blocking | |
siteobserver.co | xmlhttprequest | 200 | 89 ms | 10.38 KB | 21.59 KB | non-blocking |
siteobserver.co | fetch | 200 | 188 ms | 10.38 KB | 21.59 KB | non-blocking |
siteobserver.co | script | 200 | 88 ms | 5.54 KB | 22.23 KB | non-blocking |
| script | 200 | 193 ms | 4.39 KB | 12.87 KB | non-blocking | |
| script | 200 | 193 ms | 3.43 KB | 10.86 KB | non-blocking | |
siteobserver.co | img | 200 | 211 ms | 2.28 KB | 4.46 KB | non-blocking |
| script | 200 | 21 ms | 1.94 KB | 5.29 KB | blocking | |
siteobserver.co | other | 200 | 96 ms | 1.79 KB | 1.49 KB | non-blocking |
| script | 200 | 196 ms | 890 B | 936 B | non-blocking | |
| script | 200 | 195 ms | 786 B | 936 B | non-blocking | |
siteobserver.co | img | 200 | 74 ms | 674 B | 632 B | non-blocking |
siteobserver.co | img | 200 | 74 ms | 623 B | 577 B | non-blocking |
siteobserver.co | img | 200 | 74 ms | 557 B | 414 B | non-blocking |
siteobserver.co | css | 200 | 105 ms | 471 B | 221 B | non-blocking |
siteobserver.co | css | 200 | 105 ms | 470 B | 221 B | non-blocking |
www.googletagmanager.com | script | 0 | 391 ms | 0 B | 0 B | non-blocking |
www.googletagmanager.com | script | 0 | 166 ms | 0 B | 0 B | non-blocking |
| iframe | 0 | 1.32 s | 0 B | 0 B | non-blocking | |
| fetch | 0 | 197 ms | 0 B | 0 B | non-blocking |
Previous Test Results
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