Screenshot captured after 4.72 s.
Marmara Denizi - Marmara Belediyeler Birliği
See the website health and performance test results for https://dev.mbb.algoritmik.co.uk/tr/marmara-denizi, including status code, load speed, SSL, WHOIS, DNS, console logs, Chrome UX Report, resource sizes, and Pagespeed findings.
Tested on 21 Jul 2026 17:47:20.
- HTTP status 200
- Response time 304 ms
- Document load time 4.31 s
- Full page load time 4.72 s
- Document size 55.23 KB
- Full page size 6.09 MB
- Mobile score 58
- Desktop score 77
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 157% of display size. Resize images to match their rendered dimensions to save bandwidth. Read more |
|
Slow Speed Index (6.3 s)
Warning
High
The page takes too long to visually complete. Optimize critical rendering path, reduce render-blocking resources, and serve visible content first. Read more |
|
1 slow third-party resource
Warning
High
1 third-party resource took longer than 1 second to load. Slowest: https://www.googletagmanager.com/gtag/js?id=G-C4YP7Q8P6S at 1098 ms. Consider self-hosting critical assets or lazy-loading non-essential ones. 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 |
|
Domain transfer lock is not enabled
Warning
Medium
The domain has neither clientTransferProhibited nor serverTransferProhibited status, which means it could be transferred to another registrar without additional safeguards. Enable transfer lock through your registrar to prevent unauthorized transfers. Read more |
|
Desktop performance needs improvement (77/100)
Warning
Medium
Score is below 90. Tackle the highest-impact audits to push into the green. Read more |
|
Mobile performance needs improvement (58/100)
Warning
Medium
Score is below 90. Tackle the highest-impact audits to push into the green. Read more |
|
Heavy page weight (6.1 MB)
Warning
Medium
Total transfer exceeds 5 MB. Trim images, scripts, and fonts to reduce data costs and load time. Read more |
|
10 render-blocking resources
Warning
Medium
More than 3 resources block initial rendering. Defer or async non-critical scripts and inline critical CSS to speed up first paint. Read more |
|
32 resources served over HTTP/1.1
Warning
Medium
HTTP/1.1 lacks multiplexing, causing head-of-line blocking. Upgrade to HTTP/2 or HTTP/3 for better parallelism and reduced latency. Read more |
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43 days left
Whois
- Registrar
- Cloudflare, Inc. [Tag = CLOUDFLARE]
SSL
- SSL available
- Yes
- SSL status
- valid
- Issuer
- C=US,O=Let's Encrypt,CN=YR1
- Subject
- CN=dev.mbb.algoritmik.co.uk
- TLS version
- TLSv1.3
- Self-signed
- No
- Valid until
- 27 Sep 2026
DNS Records
Current DNS records returned for this domain at the time of the test.
- DNS status
- resolved
- 68.183.211.132
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
- google-site-verification=AiAoI10W-WH88eAOKCLC_BmcaYF51FfBH9SzDNOwzjE
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.
Users wait too long before any content appears.
Main visible content takes too long to appear.
The layout stays visually stable while loading.
Visual loading is significantly delayed.
Main thread blocking stays in a healthy range.
Potential input delay stays low.
Users wait too long before the page responds.
The server starts responding quickly.
First visible content appears quickly.
Main visible content is slower than recommended.
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.
Interactivity takes longer than recommended.
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 |
|---|---|---|
| Minify CSS |
Minifying CSS files can reduce network payload sizes. Learn how to minify CSS.
|
Est savings of 9 KiB |
| 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 686 KiB |
| 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 699 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 5,610 ms |
| Minify JavaScript |
Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.
|
Est savings of 357 KiB |
| Forced reflow |
A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations. |
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 284 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 130 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. |
24.9 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 |
24.3 s |
| 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 |
| 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. |
5.9 s |
| Speed Index |
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric. |
6.3 s |
| 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 15,276 KiB |
| Image elements do not have explicit `width` and `height` |
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions
|
Open |
Audit Details
| Audit | Insight | Impact |
|---|---|---|
| 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 200 ms |
| Minify JavaScript |
Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.
|
Est savings of 357 KiB |
| 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 281 KiB |
| 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 686 KiB |
| 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 697 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 |
| 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 860 ms |
| 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 |
3.9 s |
| Image elements do not have explicit `width` and `height` |
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions
|
Open |
| Minify CSS |
Minifying CSS files can reduce network payload sizes. Learn how to minify CSS.
|
Est savings of 9 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 15,276 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. |
4.2 s |
| Speed Index |
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric. |
1.4 s |
| 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. |
1.0 s |
Browser Console Logs
Messages captured from the browser console during the real page test.
hello
Failed to load resource: the server responded with a status of 401 (Unauthorized)
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 |
|---|---|---|---|---|---|---|
|
dev.mbb.algoritmik.co.uk
|
video | 206 | 713 ms | 2.01 MB | 2.01 MB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
script | 200 | 1.11 s | 774.22 KB | 773.92 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
video | 206 | 498 ms | 654.03 KB | 653.73 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
video | 200 | 811 ms | 615.48 KB | 615.19 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
video | 200 | 1.3 s | 551.43 KB | 551.14 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
video | 200 | 505 ms | 532.17 KB | 531.88 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
video | 200 | 707 ms | 318.96 KB | 318.67 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
link | 200 | 304 ms | 242.82 KB | 242.53 KB | blocking |
|
dev.mbb.algoritmik.co.uk
|
video | 200 | 610 ms | 200.59 KB | 200.29 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
script | 200 | 715 ms | 51.57 KB | 51.28 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
link | 200 | 304 ms | 34.88 KB | 34.59 KB | blocking |
|
cdn.jsdelivr.net
|
script | 200 | 805 ms | 22.97 KB | 76.9 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
script | 200 | 714 ms | 20.88 KB | 20.59 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
img | 200 | 404 ms | 17.02 KB | 16.73 KB | non-blocking |
|
cdnjs.cloudflare.com
|
link | 0 | 203 ms | 16.93 KB | 98.42 KB | blocking |
|
dev.mbb.algoritmik.co.uk
|
link | 200 | 606 ms | 16.65 KB | 16.36 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
css | 200 | 98 ms | 16.6 KB | 16.3 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
css | 200 | 186 ms | 16.52 KB | 16.22 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
css | 200 | 94 ms | 16.25 KB | 15.96 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
script | 200 | 715 ms | 10.64 KB | 10.35 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
link | 200 | 1.29 s | 10.08 KB | 9.78 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
img | 200 | 918 ms | 8.65 KB | 8.36 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
script | 200 | 805 ms | 6.33 KB | 6.04 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
script | 200 | 715 ms | 4.9 KB | 4.6 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
link | 200 | 304 ms | 4.41 KB | 4.12 KB | blocking |
|
dev.mbb.algoritmik.co.uk
|
link | 200 | 304 ms | 4.22 KB | 3.93 KB | blocking |
|
dev.mbb.algoritmik.co.uk
|
css | 200 | 88 ms | 3.19 KB | 2.9 KB | blocking |
|
dev.mbb.algoritmik.co.uk
|
img | 200 | 915 ms | 2.57 KB | 2.28 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
img | 200 | 916 ms | 2.09 KB | 1.8 KB | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
css | 200 | 107 ms | 1.48 KB | 1.19 KB | non-blocking |
| link | 0 | 301 ms | 1.06 KB | 22.02 KB | blocking | |
|
dev.mbb.algoritmik.co.uk
|
other | 200 | 99 ms | 563 B | 263 B | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
css | 200 | 102 ms | 515 B | 215 B | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
css | 200 | 185 ms | 489 B | 189 B | non-blocking |
|
dev.mbb.algoritmik.co.uk
|
xmlhttprequest | 401 | 67 ms | 300 B | 0 B | non-blocking |
|
unpkg.com
|
link | 0 | 198 ms | 0 B | 0 B | blocking |
|
unpkg.com
|
script | 0 | 201 ms | 0 B | 0 B | blocking |
| script | 0 | 487 ms | 0 B | 0 B | blocking | |
|
www.googletagmanager.com
|
script | 0 | 1.1 s | 0 B | 0 B | non-blocking |
|
code.jquery.com
|
script | 200 | 806 ms | 0 B | 0 B | non-blocking |
| fetch | 0 | 388 ms | 0 B | 0 B | non-blocking | |
| xmlhttprequest | 200 | 300 ms | 0 B | 0 B | non-blocking | |
|
mbbkulturyayinlari.com
|
img | 0 | 112 ms | 0 B | 0 B | non-blocking |
|
mbbkulturyayinlari.com
|
img | 0 | 405 ms | 0 B | 0 B | non-blocking |
|
mbbkulturyayinlari.com
|
img | 0 | 404 ms | 0 B | 0 B | non-blocking |
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