Latest public test screenshot

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.

New test

Up
  • 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
58/100
  • 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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27 Sep 2026

31 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.

Total 14.92 MB 52 requests 100% of total size
Media 10.11 MB 6 requests 68% of total size
Image 3 MB 15 requests 20% of total size
Script 1.16 MB 11 requests 7.8% of total size
Stylesheet 341.73 KB 10 requests 2.2% of total size
Font 306.36 KB 5 requests 2.0% of total size
Document 18.17 KB 1 requests 0.1% of total size
Other 4.21 KB 4 requests 0.0% of total size
Third-party 1.38 MB 16 requests 9.2% of total size

Core Web Vitals

Key performance signals from Lighthouse, with color-coded status for what is healthy and what still needs work.

Good Time to First Byte 601 ms

The server starts responding quickly.

Poor First Contentful Paint 5.85 s

Users wait too long before any content appears.

Poor Largest Contentful Paint 24.33 s

Main visible content takes too long to appear.

Good Cumulative Layout Shift 0.000

The layout stays visually stable while loading.

Poor Speed Index 6.31 s

Visual loading is significantly delayed.

Good Total Blocking Time 134 ms

Main thread blocking stays in a healthy range.

Good Max Potential FID 120 ms

Potential input delay stays low.

Poor Time to Interactive 24.86 s

Users wait too long before the page responds.

TTFB 601 ms
FCP 5.85 s
LCP 24.33 s
TTI 24.86 s

Loading Filmstrip

Visual loading progress from the Lighthouse run, shown in time order.

Mobile filmstrip frame at 583 ms
583 ms
Mobile filmstrip frame at 1.17 s
1.17 s
Mobile filmstrip frame at 1.75 s
1.75 s
Mobile filmstrip frame at 2.33 s
2.33 s
Mobile filmstrip frame at 2.91 s
2.91 s
Mobile filmstrip frame at 3.5 s
3.5 s
Mobile filmstrip frame at 4.08 s
4.08 s
Mobile filmstrip frame at 4.66 s
4.66 s

Google Pagespeed Insights

Switch between desktop and mobile Lighthouse results to review the latest performance findings for this page.

Mobile 58
Desktop 77

Audit Details

Audit Insight Impact
Minify CSS

Minifying CSS files can reduce network payload sizes. Learn how to minify CSS.

  • https://dev.mbb.algoritmik.co.uk/theme/mbb/css/site.css?60 Potential savings: 5.79 KB
  • https://dev.mbb.algoritmik.co.uk/theme/mbb/css/mobile.css?26 Potential savings: 2.96 KB
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

  • https://dev.mbb.algoritmik.co.uk/img/marmara-denizi/04.jpg Using a modern image format (WebP, AVIF) or increasing the image compression could improve this image's download size. | Potential savings: 277.69 KB
  • https://dev.mbb.algoritmik.co.uk/img/marmara-denizi/05.jpg Using a modern image format (WebP, AVIF) or increasing the image compression could improve this image's download size. | Potential savings: 213.64 KB
  • https://dev.mbb.algoritmik.co.uk/img/marmara-denizi/01.jpg Using a modern image format (WebP, AVIF) or increasing the image compression could improve this image's download size. | Potential savings: 194.38 KB
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.

  • https://dev.mbb.algoritmik.co.uk/theme/mbb/js/app.bundle.js?13 Potential savings: 514.49 KB
  • https://unpkg.com/@lottiefiles/lottie-player@latest/dist/lottie-player.js Potential savings: 81.41 KB
  • https://www.googletagmanager.com/gtag/js?id=G-C4YP7Q8P6S Potential savings: 66 KB
  • https://dev.mbb.algoritmik.co.uk/lib/jquery-ui/jquery-ui.min.js Potential savings: 37.22 KB
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.

  • https://dev.mbb.algoritmik.co.uk/theme/mbb/css/bundle.min.css?2
  • https://dev.mbb.algoritmik.co.uk/css/cms-utilities.css
  • https://dev.mbb.algoritmik.co.uk/theme/mbb/css/site.css?60
  • https://dev.mbb.algoritmik.co.uk/theme/mbb/css/mobile.css?26
  • https://dev.mbb.algoritmik.co.uk/theme/mbb/css/marmara-denizi.css?2
Est savings of 5,610 ms
Minify JavaScript

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.

  • https://dev.mbb.algoritmik.co.uk/theme/mbb/js/app.bundle.js?13 Potential savings: 346.16 KB
  • https://dev.mbb.algoritmik.co.uk/js/default.js?16 Potential savings: 6.06 KB
  • https://dev.mbb.algoritmik.co.uk/js/cms-utilities.js?19 Potential savings: 2.84 KB
  • https://dev.mbb.algoritmik.co.uk/theme/mbb/js/publication-fetcher.js?29 Potential savings: 2.13 KB
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.

  • https://dev.mbb.algoritmik.co.uk/theme/mbb/css/bundle.min.css?2 Potential savings: 217.55 KB
  • https://dev.mbb.algoritmik.co.uk/theme/mbb/css/site.css?60 Potential savings: 33.7 KB
  • https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.1.1/css/all.min.css Potential savings: 16.38 KB
  • https://dev.mbb.algoritmik.co.uk/lib/jquery-ui/jquery-ui.min.css Potential savings: 15.9 KB
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.

  • https://dev.mbb.algoritmik.co.uk/theme/mbb/fonts/StrawfordRoman/strawford-regular-webfont.woff2
  • https://dev.mbb.algoritmik.co.uk/theme/mbb/fonts/StrawfordRoman/strawford-medium-webfont.woff2
  • https://dev.mbb.algoritmik.co.uk/theme/mbb/fonts/StrawfordRoman/strawford-light-webfont.woff2
  • https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.1.1/webfonts/fa-solid-900.woff2
  • https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.1.1/webfonts/fa-brands-400.woff2
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.

  • https://dev.mbb.algoritmik.co.uk/img/marmara-denizi/02.webm
  • https://dev.mbb.algoritmik.co.uk/img/marmara-denizi/03.webm
  • https://dev.mbb.algoritmik.co.uk/img/marmara-denizi/05.webm
  • https://dev.mbb.algoritmik.co.uk/theme/mbb/js/app.bundle.js?13
  • https://dev.mbb.algoritmik.co.uk/img/marmara-denizi/04.webm
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

  • https://dev.mbb.algoritmik.co.uk/img/marmara-denizi/icon-bilim-teknik.svg
  • https://dev.mbb.algoritmik.co.uk/img/marmara-denizi/icon-podcast.svg
  • https://dev.mbb.algoritmik.co.uk/uploads/logo-5.svg?3
  • https://dev.mbb.algoritmik.co.uk/uploads/logo-5.svg?3
  • https://dev.mbb.algoritmik.co.uk/uploads/logo-lighten-1.svg
Open

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
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
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
css 200 98 ms 16.6 KB 16.3 KB non-blocking
css 200 186 ms 16.52 KB 16.22 KB non-blocking
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
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
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
xmlhttprequest 401 67 ms 300 B 0 B non-blocking
link 0 198 ms 0 B 0 B blocking
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
img 0 112 ms 0 B 0 B non-blocking
img 0 405 ms 0 B 0 B non-blocking
img 0 404 ms 0 B 0 B non-blocking

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