Tested 2025-02-20 16:03:12 using Firefox 135.0 (runtime settings).
| Metric | Value |
|---|---|
| Page metrics | |
| Performance Score | 80 |
| Total Page Transfer Size | 1.1 MB |
| Requests | 234 |
| Timing metrics | |
| TTFB [median] | 516 ms |
| First Paint [median] | 1.002 s |
| Fully Loaded [median] | 2.347 s |
| Google Web Vitals | |
| TTFB [median] | 516 ms |
| First Contentful Paint (FCP) [median] | 999 ms |
| Largest Contentful Paint (LCP) [median] | 2.221 s |
| Interaction To Next Paint (INP) [median] | 139 ms |
| Visual Metrics | |
| First Visual Change [median] | 1.100 s |
| Speed Index [median] | 1.343 s |
| Visual Complete 85% [median] | 1.966 s |
| Visual Complete 99% [median] | 2.600 s |
| Last Visual Change [median] | 3.133 s |
| Metric | min | median | mean | max |
|---|---|---|---|---|
| Visual Metrics | ||||
| FirstVisualChange | 1.066 s | 1.100 s | 1.093 s | 1.100 s |
| LastVisualChange | 3.033 s | 3.133 s | 3.100 s | 3.166 s |
| SpeedIndex | 1.337 s | 1.343 s | 1.350 s | 1.365 s |
| LargestImage | 1.866 s | 1.966 s | 1.946 s | 2.000 s |
| Heading | 0 ms | 1.866 s | 1.146 s | 2.000 s |
| LargestContentfulPaint | 2.066 s | 2.233 s | 2.180 s | 2.266 s |
| LastMeaningfulPaint | 2.066 s | 2.233 s | 2.180 s | 2.266 s |
| VisualReadiness | 1.933 s | 2.033 s | 2.006 s | 2.067 s |
| VisualComplete85 | 1.866 s | 1.966 s | 1.946 s | 2.000 s |
| VisualComplete95 | 2.066 s | 2.233 s | 2.180 s | 2.266 s |
| VisualComplete99 | 2.566 s | 2.600 s | 2.600 s | 2.666 s |
| Google Web Vitals | ||||
| Time To First Byte (TTFB) | 497 ms | 516 ms | 515 ms | 527 ms |
| Largest Contentful Paint (LCP) | 2.069 s | 2.221 s | 2.174 s | 2.255 s |
| First Contentful Paint (FCP) | 965 ms | 999 ms | 989 ms | 999 ms |
| More metrics | ||||
| firstPaint | 970 ms | 1.002 s | 994 ms | 1.007 s |
| loadEventEnd | 2.056 s | 2.208 s | 2.163 s | 2.241 s |
| User Timing | ||||
| mwStartup | 961 ms | 996 ms | 991 ms | 1.013 s |
| mwCentralNoticeBanner | 1.823 s | 1.882 s | 1.873 s | 1.916 s |
Run 5 SpeedIndex median
Use--filmstrip.showAll to show all filmstrips.
0 s1 sDOM Content Loaded Time 991 msmwStartup 999 msFirst Contentful Paint 999 ms
1.1 sFirst Visual Change 1.100 s
1.2 s
1.3 s
1.4 s
1.5 s
1.6 s
1.7 s
1.8 s
1.9 smwCentralNoticeBanner 1.842 sVisual Complete 85% 1.866 sLargest Image 1.866 sHeading 1.866 s
2 s
2.1 sPage Load Time 2.083 sLCP <DIV> 2.085 sVisual Complete 95% 2.100 s
2.2 s
2.3 sFully Loaded 2.220 s
2.5 s
2.6 sVisual Complete 99% 2.566 s
2.7 s
2.8 s
2.9 s
3 s
3.1 sLast Visual Change 3.033 sThe coach helps you find performance problems on your web page using web performance best practice rules. And gives you advice on privacy and best practices. Tested using Coach-core version 8.1.1.
| Title | Advice | Score |
|---|---|---|
| Cumulative Layout Shift (cumulativeLayoutShift) | Layout Shift is not supported in this browser | 0 |
| Description: Cumulative Layout Shift measures the sum total of all individual layout shift scores for unexpected layout shift that occur. The metric is measuring visual stability by quantify how often users experience unexpected layout shifts. It is one of Google Web Vitals. | ||
| Meta description (metaDescription) | The page is missing a meta description. | 0 |
| Description: Use a page description to make the page more relevant to search engines. | ||
| Do not send too long headers (longHeaders) | https://it.wikipedia...ia.org/w/load.php has a header sourcemap that is 1166 characters long. | 99 |
| Description: Do not send response headers that are too long. | ||
| Offenders: | ||
| Avoid use too many response headers (manyHeaders) | https://it.wikipedia...ioni_Radiofoniche has 31 headers. | 99 |
| Description: Avoid send too many response headers. | ||
| Offenders: | ||
| Avoid unnecessary headers (unnecessaryHeaders) | There are 27 responses that sets both a max-age and expires header. There are 233 responses that sets a server header. | 0 |
| Description: Do not send headers that you don't need. We look for p3p, cache-control and max-age, pragma, server and x-frame-options headers. Have a look at Andrew Betts - Headers for Hackers talk as a guide https://www.youtube.com/watch?v=k92ZbrY815c or read https://www.fastly.com/blog/headers-we-dont-want. | ||
| Offenders: | ||
| Title | Advice | Score |
|---|---|---|
| Use a good Content-Security-Policy header to make sure you you avoid Cross Site Scripting (XSS) attacks. (contentSecurityPolicyHeader) | Set a Content-Security-Policy header to make sure you are not open for Cross Site Scripting (XSS) attacks. You can start with setting a Content-Security-Policy-Report-Only header, that will only report the violation, not stop the download. | 0 |
| Description: Content Security Policy is delivered via a HTTP response header, and defines approved sources of content that the browser may load. It can be an effective countermeasure to Cross Site Scripting (XSS) attacks and is also widely supported and usually easily deployed. https://scotthelme.co.uk/content-security-policy-an-introduction/. | ||
| Offenders: | ||
| Set a referrer-policy header to make sure you do not leak user information. (referrerPolicyHeader) | Set a referrer-policy header to make sure you do not leak user information. | 0 |
| Description: Referrer Policy is a new header that allows a site to control how much information the browser includes with navigations away from a document and should be set by all sites. https://scotthelme.co.uk/a-new-security-header-referrer-policy/. | ||
| Offenders: | ||
| Page info | |
|---|---|
| Title | Rai - Wikipedia |
| Generator | MediaWiki 1.44.0-wmf.17 |
| Width | 1920 |
| Height | 47001 |
| DOM elements | 11382 |
| Avg DOM depth | 14 |
| Max DOM depth | 22 |
| Iframes | 0 |
| Script tags | 5 |
| Local storage | 945.4 KB |
| Session storage | 0 b |
| Network Information API | unknown |
| Resource Hints |
|---|
| dns-prefetch |
| https://meta.wikimedia.org/ |
| https://it.wikipedia.org/wiki/login.wikimedia.org |
| preconnect |
| https://upload.wikimedia.org/ |
Data collected using Wappalyzer version 6.10.66. With updated code from Webappanalyzer 2024-12-27. Use --browsertime.firefox.includeResponseBodies htmlor --browsertime.chrome.includeResponseBodies htmlto help Wappalyzer find more information about technologies used.
| Technology | Confidence | Category |
|---|---|---|
| MediaWiki | 100 | Wikis |
| PHP | 100 | Programming languages |
| Apache Traffic Server 9.2.6 | 100 | Web servers |
| HSTS | 100 | Security |
| HTTP/2 | 100 | Miscellaneous |
Data from run 5
| Visual Metrics | |
|---|---|
| First Visual Change | 1.100 s |
| Speed Index | 1.343 s |
| Largest Image | 1.866 s |
| Heading | 1.866 s |
| LargestContentfulPaint | 2.100 s |
| Last Meaningful Paint | 2.100 s |
| Largest Contentful Paint | 2.100 s |
| Visual Complete 85% | 1.866 s |
| Visual Complete 95% | 2.100 s |
| Visual Complete 99% | 2.566 s |
| Last Visual Change | 3.033 s |
| Visual Readiness | 1.933 s |
| Navigation Timing | |
|---|---|
| backEndTime | 527 ms |
| domContentLoadedTime | 991 ms |
| domInteractiveTime | 990 ms |
| domainLookupTime | 103 ms |
| frontEndTime | 1.555 s |
| pageDownloadTime | 0 ms |
| pageLoadTime | 2.083 s |
| redirectionTime | 0 ms |
| serverConnectionTime | 202 ms |
| serverResponseTime | 208 ms |
| Google Web Vitals | |
|---|---|
| Time to first byte (TTFB) | 527 ms |
| First Contentful Paint (FCP) | 999 ms |
| Largest Contentful Paint (LCP) | 2.085 s |
| Interaction to next paint (INP) | 150.58 ms |
| Extra timings | |
|---|---|
| TTFB | 527 ms |
| Time To Contentful Paint | 1.019 s |
| Time To First Interactive | 1.557 s |
| Load Event End | 2.083 s |
| Fully loaded | 2.220 s |
| User Timing marks | |
|---|---|
| mwStartup | 999 ms |
| mwCentralNoticeBanner | 1.842 s |
When in time the page main content is rendered (collected using the Largest Contentful Paint API). Read more about Largest Contentful Paint.
| Element type | DIV |
| Element/tag | <div class="wll-image"></div> |
| Render time | 2.085 s |
| Element render delay | 1.558 s |
| TTFB | 527 ms |
| Resource delay | 0 ms |
| Resource load duration | 0 ms |
| Load time | 2.082 s |
| URL | https://upload.wikim...WLF2025Banner.png |
| Size (width*height) | 73496 |
| DOM path | |
| div:eq(1) > div > div:eq(0) > div#siteNotice > div#centralNotice > div#wll2021 > a > div:eq(1)> div:eq(1) > div > div:eq(0) > div#siteNotice > div#centralNotice > div#wll2021 > a > div:eq(1)> | |
The largest contentful paint is highlighted in the image. If no element is highlighted the element was removed before the screenshot or the LCP API couldn't find the element.
The Largest Contentful Paint API highlighted this image as a part of the LCP.
Interaction to Next Paint (INP) is a metric that try to measure responsiveness. It's useful if you are testing user journeys. Read more about Interaction to Next Paint.
The measured latency was 150.58 ms.
| Event type | mouseover |
| Element type | DIV |
| Element class name | mw-heading mw-heading2 |
| Event target | #mw-content-text>div.mw-content-ltr.mw-parser-output>div.mw-heading.mw-heading2 |
| Load state when the event happened | dom-content-loaded |
| name | duration | description |
|---|---|---|
| cache | 0 | hit-front |
| host | 0 | cp3067 |
There are no custom configured scripts.
There are no custom extra metrics from scripting.
| Name | Display Time | X | Y | Width | Height |
|---|---|---|---|---|---|
| LargestImage (200px-Logo_of_RAI_%282016%29.svg.png) | 1.866 s | 1194 | 387 | 200 | 200 |
| <img alt="Logo" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/88/Logo_of_RAI_%282016%29.svg/200px-Logo_of_RAI_%282016%29.svg.png" decoding="async" width="200" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/88/Logo_of_RAI_%282016%29.svg/300px-Logo_of_RAI_%282016%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/88/Logo_of_RAI_%282016%29.svg/400px-Logo_of_RAI_%282016%29.svg.png 2x" data-file-width="512" data-file-height="512"> | |||||
| Heading | 1.866 s | 486 | 192 | 810 | 40 |
| <h1 id="firstHeading" class="firstHeading mw-first-heading"></h1> | |||||
| LargestContentfulPaint | 2.100 s | 423 | 91 | 962 | 76 |
| <div class="wll-image"></div> | |||||
How the page is built.
| Summary | |
|---|---|
| HTTP version | HTTP/2.0 |
| Total requests | 234 |
| Total domains | 5 |
| Total transfer size | 1.1 MB |
| Total content size | 0 b |
| Responses missing compression | 0 |
| Number of cookies | 5 |
| Third party cookies | 0 |
| Requests per response code | |
|---|---|
| 200 | 233 |
| 302 | 1 |
| URL | Type | Transfer Size | Content Size |
|---|---|---|---|
| https://it.wikipedia...ia.org/w/load.php | javascript | 209.7 KB | 0 b |
| https://it.wikipedia.org/wiki/Rai | html | 134.2 KB | 0 b |
| https://upload.wikim...WLF2025Banner.png | image | 96.4 KB | 0 b |
| https://it.wikipedia...ia.org/w/load.php | javascript | 25.0 KB | 0 b |
| https://it.wikipedia...ia.org/w/load.php | css | 23.3 KB | 0 b |
| https://upload.wikim...a_via_Teulada.JPG | image | 21.3 KB | 0 b |
| https://upload.wikim...osio_nel_1939.jpg | image | 20.9 KB | 0 b |
| https://it.wikipedia...ia.org/w/load.php | javascript | 20.7 KB | 0 b |
| https://upload.wikim..._BEIC_6364368.jpg | image | 20.2 KB | 0 b |
| https://upload.wikim...viale_mazzini.JPG | image | 19.5 KB | 0 b |
| https://it.wikipedia...ia.org/w/load.php | javascript | 17.3 KB | 0 b |
| https://it.wikipedia...ons/wikipedia.png | image | 14.0 KB | 0 b |
| https://upload.wikim...o_-_panoramio.jpg | image | 13.5 KB | 0 b |
| https://upload.wikim...x-RAI_PAlermo.JPG | image | 13.1 KB | 0 b |
| https://upload.wikim...px-Saxa_rubra.jpg | image | 11.9 KB | 0 b |
| https://upload.wikim...sede_Salaria.jpeg | image | 9.9 KB | 0 b |
| https://en.wikipedia...a.org/w/index.php | javascript | 8.7 KB | 0 b |
| https://upload.wikim...onoscopio_rca.jpg | image | 7.2 KB | 0 b |
| https://upload.wikim...lklore_banner.svg | svg | 7.2 KB | 0 b |
| https://upload.wikim...81983-1988%29.png | image | 6.9 KB | 0 b |
| Content | Header Size | Transfer Size | Content Size | Requests |
|---|---|---|---|---|
| html | 1.4 KB | 134.2 KB | 0 b | 1 |
| css | 3.0 KB | 28.4 KB | 0 b | 3 |
| javascript | 12.5 KB | 292.4 KB | 0 b | 10 |
| image | 206.7 KB | 636.7 KB | 0 b | 197 |
| svg | 19.1 KB | 35.0 KB | 0 b | 20 |
| json | 1.7 KB | 2.4 KB | 0 b | 1 |
| favicon | 962 B | 1.9 KB | 0 b | 1 |
| Total | 245.4 KB | 1.1 MB | 0 b | 233 |
| Domain | Total download time | Transfer Size | Content Size | Requests |
|---|---|---|---|---|
| it.wikipedia.org | 5.752 s | 488.8 KB | 0 b | 34 |
| upload.wikimedia.org | 186.252 s | 627.7 KB | 0 b | 196 |
| en.wikipedia.org | 616 ms | 11.7 KB | 0 b | 2 |
| meta.wikimedia.org | 129 ms | 2.5 KB | 0 b | 1 |
| login.wikimedia.org | 347 ms | 1.4 KB | 0 b | 1 |
| type | min | median | max |
|---|---|---|---|
| Expires | 0 seconds | 0 seconds | 1 year |
| Last modified | 2 hours | 33 weeks | 11 years |
