Run 3 summary

https://www.antiquites-en-france.com/

Tested 2025-04-30 01:40:00 using Chrome 132.0.6834.83 (runtime settings).

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SummaryWaterfall MetricsVideoFilmstrip CoachPageXrayCPU Third partyScreenshotsaxe

Summary

MetricValue
Page metrics
Performance score98
Total page size707 B
Requests2
Timing metrics
TTFB52 ms
First Paint81 ms
Fully Loaded99 ms
Google Web Vitals
TTFB52 ms
First Contentful Paint (FCP) 81 ms
Largest Contentful Paint (LCP) 81 ms
Cumulative Layout Shift (CLS) 0.00
Visual Metrics
First Visual Change67 ms
Speed Index67 ms
Visual Complete 85%67 ms
Visual Complete 99%67 ms
Last Visual Change67 ms
Screenshot
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Waterfall

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Video

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| Filmstrip | 

Filmstrip

Use--filmstrip.showAll to show all filmstrips.

0 s
0.1 sDOM Content Loaded Time 64 msPage Load Time 65 msFirst Visual Change 67 msLast Visual Change 67 msVisual Complete 85% 67 msVisual Complete 95% 67 msVisual Complete 99% 67 msHeading 67 msFirst Contentful Paint 81 msLCP <H1> 81 msFully Loaded 99 ms
| Performance advice | Best practice advice | Privacy advice | Page info | 

Coach

The 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.

I am the coach

Coach score

Performance advice (98)

TitleAdviceScore
Avoid extra requests by setting cache headers (cacheHeaders)The page has 1 request that are missing a cache time. Configure a cache time so the browser doesn't need to download them every time. It will save 353 B the next access.90
Description: The easiest way to make your page fast is to avoid doing requests to the server. Setting a cache header on your server response will tell the browser that it doesn't need to download the asset again during the configured cache time! Always try to set a cache time if the content doesn't change for every request.
Offenders:
  • https://www.antiquites-en-france.com/favicon.ico
    • Avoid missing and error requests (responseOk)The page has 2 error responses. The page has 2 responses with code 503. 80
    Description: Your page should never request assets that return a 400 or 500 error. These requests are never cached. If that happens something is broken. Please fix it.
    Offenders:
  • https://www.antiquites-en-france.com/
  • https://www.antiquites-en-france.com/favicon.ico

    • Best practice advice (82)

    TitleAdviceScore
    Declare a charset in your document (charset)You are not using charset UTF-8?50
    Description: The Unicode Standard (UTF-8) covers (almost) all the characters, punctuations, and symbols in the world. Please use that.
    Declare the language code for your document (language)The page is missing a language definition in the HTML tag. Define it with <html lang="YOUR_LANGUAGE_CODE">0
    Description: According to the W3C recommendation you should declare the primary language for each Web page with the lang attribute inside the <html> tag https://www.w3.org/International/questions/qa-html-language-declarations#basics.
    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.
    Avoid unnecessary headers (unnecessaryHeaders)There are 2 responses that sets a server header. 98
    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:
  • https://www.antiquites-en-france.com/
  • https://www.antiquites-en-france.com/favicon.ico

    • Privacy advice (88)

    TitleAdviceScore
    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:
  • https://www.antiquites-en-france.com/
    • 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:
  • https://www.antiquites-en-france.com/

    • Page info

    Page info
    Title503 Service Unavailable
    Width1365
    Height620
    DOM elements6
    Avg DOM depth2
    Max DOM depth3
    Iframes0
    Script tags0
    Local storage0 b
    Session storage0 b
    Network Information API4g

    Technologies used to build the page.

    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.

    Wappalyzer didn't find any information.

    | Browser metrics | Visual Metrics | Largest Contentful Paint | Cumulative Layout Shift | Long Aninimation Frames | Visual Elements | Metrics from CDP | 

    Visual Metrics

    Visual Metrics
    First Visual Change67 ms
    Speed Index67 ms
    Heading67 ms
    LargestContentfulPaint67 ms
    Last Meaningful Paint67 ms
    Largest Contentful Paint67 ms
    Visual Complete 85%67 ms
    Visual Complete 95%67 ms
    Visual Complete 99%67 ms
    Last Visual Change67 ms
    Visual Readiness0 ms

    Browser Metrics

    Navigation Timing
    backEndTime52 ms
    domContentLoadedTime64 ms
    domInteractiveTime64 ms
    domainLookupTime5 ms
    frontEndTime12 ms
    pageDownloadTime1 ms
    pageLoadTime65 ms
    redirectionTime0 ms
    serverConnectionTime17 ms
    serverResponseTime26 ms
    Google Web Vitals
    Time to first byte (TTFB)52 ms
    First Contentful Paint (FCP)81 ms
    Largest Contentful Paint (LCP)81 ms
    Total Blocking Time (TBT)0 ms
    First Contentful Paint info
    Elements that needed recalculate style before FCP7
    Time spent in recalculate style before FCP0.356 ms
    Extra timings
    TTFB52 ms
    First Paint81 ms
    Load Event End65 ms
    Fully loaded99 ms

    Largest Contentful Paint

    When in time the page main content is rendered (collected using the Largest Contentful Paint API). Read more about Largest Contentful Paint.

    Element typeH1
    Element/tag<h1></h1>
    Render time 81 ms
    Element render delay29 ms
    TTFB52 ms
    Resource delay0 ms
    Resource load duration0 ms
    Elements that needed recalculate style before LCP7
    Time spent in recalculate style before LCP0.356 ms
    Load time0 ms
    Size (width*height)9792
    DOM path
    h1> h1>
    LCP

    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.

    Detected Cumulative Layout Shift

    No layout shift detected.

    Long Animation Frames

    Read more about the Long Animation Frames API here here.

    The top 10 longest animation frames entries

    Server timings

    There are no Server Timings.

    Custom metrics collected through JavaScript

    There are no custom configured scripts.

    Extra metrics collected using scripting

    There are no custom extra metrics from scripting.

    CDP Performance

    namevalue
    AudioHandlers0
    AudioWorkletProcessors0
    Documents4
    Frames1
    JSEventListeners0
    LayoutObjects17
    MediaKeySessions0
    MediaKeys0
    Nodes30
    Resources1
    ContextLifecycleStateObservers10
    V8PerContextDatas3
    WorkerGlobalScopes0
    UACSSResources0
    RTCPeerConnections0
    ResourceFetchers4
    AdSubframes0
    DetachedScriptStates2
    ArrayBufferContents0
    LayoutCount4
    RecalcStyleCount3
    LayoutDuration5
    RecalcStyleDuration1
    DevToolsCommandDuration46
    ScriptDuration3
    V8CompileDuration0
    TaskDuration142
    TaskOtherDuration87
    ThreadTime0
    ProcessTime0
    JSHeapUsedSize1712696
    JSHeapTotalSize2772992
    FirstMeaningfulPaint81

    Visual Elements

    NameDisplay TimeX YWidthHeight
    Heading67 ms 8 8 1349 37
    <h1></h1>
    LargestContentfulPaint67 ms 8 8 1349 37
    <h1></h1>
    | Summary  | Largest responses  | Requests and sizes per content type  | Data per domain | Expires and last modified statistics  | Requests loaded after onLoad event  | 

    PageXray

    How the page is built.

    Summary
    HTTP versionHTTP/2.0
    Total requests2
    Total domains1
    Total transfer size707 B
    Total content size448 B
    Responses missing compression0
    Number of cookies0
    Third party cookies0
    Requests per response code
    5032

    Largest assets on the page (by transfer size)

    URLTypeTransfer SizeContent Size
    https://www.antiquites-en-france.com/html354 B224 B
    https://www.antiquit...e.com/favicon.icohtml353 B224 B

    Requests and sizes per content type

    ContentHeader SizeTransfer SizeContent SizeRequests
    Total0 b0 b0 b0

    Data per domain

    DomainTotal download timeTransfer SizeContent SizeRequests
    www.antiquites-en-france.com86 ms707 B448 B2

    Expires and last modified statistics

    typeminmedianmax
    Expires0 seconds0 seconds0 seconds

    Requests loaded after onLoad event

    Included requests done after load event end.

    ContentTransfer SizeRequests
    html0 b0
    css0 b0
    javascript0 b0
    image0 b0
    font0 b0
    Total353 B1

    Requests loaded after onContentLoad

    Includes requests done after DOM content loaded.

    ContentTransfer SizeRequests
    html0 b0
    css0 b0
    javascript0 b0
    image0 b0
    font0 b0
    Total353 B1
    CPU Long Tasks | CPU Time Spent | CPU Time Per Tool/Domain | 

    CPU

    Download the Chrome trace log and drag and drop it into Developer Tools / Performance in Chrome.

    Download trace log

    Long Tasks

    Collected using the Long Task API. A long task is a task that take 50 milliseconds or more.

    CPU time spent

    Calculated using Tracium.

    Categories (ms)
    parseHTML1
    styleLayout5
    paintCompositeRender0
    scriptParseCompile0
    scriptEvaluation9
    garbageCollection0
    other105
    Events (ms)
    RunTask99
    | First vs third | 

    Third party

    Third party requests categorised by Third party web version 0.26.2.

    First party requests and sizes per content type

    Calculated using .*antiquites-en-france.* (use --firstParty to configure).

    ContentHeader SizeTransfer SizeContent SizeRequests
    html0 b0 b0 b0
    css0 b0 b0 b0
    javascript0 b0 b0 b0
    image0 b0 b0 b0
    font0 b0 b0 b0
    TotalN/A707 B448 B2

    Third party requests and sizes per content type

    ContentHeader SizeTransfer SizeContent SizeRequests
    html0 b0 b0 b0
    css0 b0 b0 b0
    javascript0 b0 b0 b0
    image0 b0 b0 b0
    font0 b0 b0 b0
    TotalN/AN/AN/A
    | afterPageCompleteCheck.png | layoutShift.png | largestContentfulPaint.png | 

    Screenshots

    afterPageCompleteCheck.png

    afterPageCompleteCheck.png

    layoutShift.png

    layoutShift.png

    largestContentfulPaint.png

    largestContentfulPaint.png

    Axe

    Axe is an accessibility testing engine for websites and other HTML-based user interfaces. Tested using axe-core version 4.10.2. Read more about axe-core .

    Violations

    serious
    <html> element must have a lang attribute (cat.language,wcag2a,wcag311,TTv5,TT11.a,EN-301-549,EN-9.3.1.1,ACT) - html-has-langEnsure every HTML document has a lang attribute
    Fix any of the following: The <html> element does not have a lang attribute
    • <html><head> <title>503 Service Unavailable</title> </head><body> <h1>Service Unavailable</h1> <p>Service is currently overloaded. Please try again later</p> </body></html>
    moderate
    Document should have one main landmark (cat.semantics,best-practice) - landmark-one-mainEnsure the document has a main landmark
    Fix all of the following: Document does not have a main landmark
    • <html><head> <title>503 Service Unavailable</title> </head><body> <h1>Service Unavailable</h1> <p>Service is currently overloaded. Please try again later</p> </body></html>
    All page content should be contained by landmarks (cat.keyboard,best-practice) - regionEnsure all page content is contained by landmarks
    Fix any of the following: Some page content is not contained by landmarks
    • <h1>Service Unavailable</h1>
    • <p>Service is currently overloaded. Please try again later</p>