Page summary

https://francearchives.fr/fr/open_data

Tested 2021-12-19 20:34:26 using Chrome 84.0.4147.89. 3 runs and connectivity native.  

All runs: 1 - 2 - 3

SummaryWaterfall MetricsVideoFilmstrip CoachPageXrayCPU Third party

Summary

MetricValue
Performance Score85
Total Page Transfer Size765.6 KB
Requests27
TTFB [median]70 ms
Fully Loaded [median]982 ms
First Visual Change [median]533 ms
FCP [median]543 ms
LCP [median]543 ms
CLS [median]0.0031
Total Blocking Time [median]39 ms
Max Potential FID [median]72 ms
CPU long tasks [median]4
CPU longest task duration235 ms
Speed Index [median]545 ms
Visual Complete 85% [median]533 ms
Visual Complete 99% [median]933 ms
Last Visual Change [median]933 ms
Screenshot of run 2

Timings Summary

Metricminmedianmeanmax
Visual Metrics
SpeedIndex514 ms545 ms546 ms578 ms
FirstVisualChange500 ms533 ms533 ms566 ms
LastVisualChange833 ms933 ms900 ms933 ms
ContentfulSpeedIndex512 ms539 ms542 ms574 ms
PerceptualSpeedIndex533 ms581 ms570 ms597 ms
VisualReadiness333 ms367 ms367 ms400 ms
VisualComplete85500 ms533 ms533 ms566 ms
VisualComplete95533 ms600 ms589 ms633 ms
VisualComplete99766 ms933 ms877 ms933 ms
RUM sMetrics
TTFB69 ms70 ms72 ms76 ms
LCP507 ms543 ms531 ms543 ms
FCP507 ms543 ms531 ms543 ms
firstPaint507 ms543 ms531 ms543 ms
loadEventEnd909 ms953 ms939 ms955 ms
rumSpeedIndex508 ms544 ms532 ms544 ms
CLS0.0030.00310.00310.0031
CPU
Total Blocking Time22 ms39 ms37 ms50 ms
Max Potential FID69 ms72 ms76 ms87 ms
CPU long tasks 4445

Waterfall

Run 2 SpeedIndex median

Video

Download video

Filmstrip

Use--filmstrip.showAll to show all filmstrips.

0 s
0.3 sCPU Long Task duration 205 ms
0.5 sCPU Long Task duration 53 ms
0.6 sFirst Visual Change 533 msVisual Complete 85% 533 msFirst Contentful Paint 543 msLCP <P> 543 msVisual Complete 95% 600 ms
0.7 sCPU Long Task duration 63 msDOM Content Loaded Time 686 ms
0.8 sCPU Long Task duration 87 ms
1 sLast Visual Change 933 msVisual Complete 99% 933 msPage Load Time 954 msFully Loaded 982 ms

Coach

The coach helps you find performance problems on your web page using web performance best practice rules. And gives you advice on accessibility, privacy and best practices.

I am the coach

Coach score

Accessibility advice (98)

TitleAdviceScore
Always use an alt attribute on image tags (altImages)The page has 1 image that lack alt attribute(s) and 1 of them are unique.90
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/images/logo_republiquefrancaise.png
Use headings tags within section tags to better structure your page (sections)The page is missing heading(s) within a section tag on the page. It happens 5 times.50

Performance advice (85)

TitleAdviceScore
Don't scale images in the browser (avoidScalingImages)The page has 1 image(s) that are scaled more than 100 pixels. It would be better if those images are sent so the browser don't need to scale them.90
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/images/logo_republiquefrancaise.png
Avoid slowing down the critical rendering path (fastRender)Maybe you could server push your CSS resources for faster rendering but that is actually really hard to get right :(. The style https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/bootstrap.min.css is larger than the magic number TCP window size 14.5 kB. Make the file smaller and the page will render faster. The style https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/font-awesome.css is larger than the magic number TCP window size 14.5 kB. Make the file smaller and the page will render faster. The style https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/francearchives.bundle.css is larger than the magic number TCP window size 14.5 kB. Make the file smaller and the page will render faster. The page has 3 render blocking CSS request(s) and 0 blocking JavaScript request(s) inside of head.85
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/bootstrap.min.css
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/font-awesome.css
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/francearchives.bundle.css
Avoid Frontend single point of failures (spof)The page has 1 requests inside of the head that can cause a SPOF (single point of failure). Load them asynchronously or move them outside of the document head.90
  • https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,400;0,600;0,700;1,400;1,700&display=swap
Avoid doing redirects (assetsRedirects)The page has 1 redirect(s). 1 request(s) are from other domains, it could be 3rd-party assets doing unnecessary redirects. :(90
  • https://logs.xiti.com/hit.xiti?s=582968&p=card::open_data-fr&vrn=1&ac=&at=&lng=en-US&idp=2034271382347&jv=0&re=1365x635&vtag=4.7.0&hl=20x34x27&r=1366x708x24x24&rn=1639946067420&ref=
Avoid extra requests by setting cache headers (cacheHeaders)The page has 2 request(s) that are missing a cache time. Configure a cache time so the browser doesn't need to download them every time. It will save 306 B the next access.80
  • https://logs.xiti.com/hit.xiti?s=582968&p=card::open_data-fr&vrn=1&ac=&at=&lng=en-US&idp=2034271382347&jv=0&re=1365x635&vtag=4.7.0&hl=20x34x27&r=1366x708x24x24&rn=1639946067420&ref=
  • https://logs.xiti.com/hit.xiti?s=582968&p=card::open_data-fr&vrn=1&ac=&at=&lng=en-US&idp=2034271382347&jv=0&re=1365x635&vtag=4.7.0&hl=20x34x27&r=1366x708x24x24&rn=1639946067420&ref=&Rdt=On
Long cache headers is good (cacheHeadersLong)The page has 1 request(s) that have a shorter cache time than 30 days (but still a cache time).99
  • https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,400;0,600;0,700;1,400;1,700&display=swap
Always compress text content (compressAssets)The page has 12 request(s) that are served uncompressed. You could save a lot of bytes by sending them compressed instead.0
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/bootstrap.min.css
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/font-awesome.css
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/francearchives.bundle.css
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/jquery-typeahead/jquery.typeahead.min.css
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/jquery-3.1.1.min.js
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/jquery-typeahead/jquery.typeahead.min.js
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/cubes.pnia_portal.js
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/js/bootstrap.bundle.min.js
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/bundle-glossary.js
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/xtcore.js
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/images/logo_francearchives.svg
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/images/icon-social-twitter-blue.svg
Total CSS size shouldn't be too big (cssSize)The total CSS transfer size is 298.2 kB and uncompressed size is 309.1 kB. That is big and the CSS could most probably be smaller.50
The favicon should be small and cacheable (favicon)The favicon size is 15359 bytes. That's quite big, can you make it smaller? 50
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/icons/favicon.ico
Avoid too many fonts (fewFonts)The page has 2 font requests. Do you really need them? What value does the fonts give the user?80
  • https://fonts.gstatic.com/s/opensans/v27/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/fonts/fontawesome-webfont.woff2?v=4.5.0
Total JavaScript size shouldn't be too big (javascriptSize)The total JavaScript transfer size is 280.6 kB. This is quite large. 50
Avoid using incorrect mime types (mimeTypes)The page has 1 misconfigured mime type(s). 99
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/fonts/lovelo/Lovelo-Black.otf
Make each CSS response small (optimalCssSize)https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/bootstrap.min.css size is 163.3 kB (163307) and that is bigger than the limit of 14.5 kB. https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/font-awesome.css size is 33.5 kB (33539) and that is bigger than the limit of 14.5 kB. https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/francearchives.bundle.css size is 86.5 kB (86490) and that is bigger than the limit of 14.5 kB. Try to make the CSS files fit into 14.5 KB.70
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/bootstrap.min.css
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/font-awesome.css
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/francearchives.bundle.css
Don't use private headers on static content (privateAssets)The page has 1 request(s) with private headers. Make sure that the assets really should be private and only used by one user. Otherwise, make it cacheable for everyone.90
  • https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,400;0,600;0,700;1,400;1,700&display=swap

Best practice advice (73)

TitleAdviceScore
Meta description (metaDescription)The page is missing a meta description.0
Avoid use too many third party responses (thirdParty)The page do 15% requests to third party domains (4 requests and 47 kB). First party is 23 requests and 736.9 kB. The regex .*francearchives.* was used to calculate first/third party requests.50
Avoid Unnecessary Headers (unnecessaryHeaders)There are 1 response(s) that sets a p3p header. There are 24 response(s) that sets both a max-age and expires header. There are 2 response(s) that sets a server header. 73
  • https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,400;0,600;0,700;1,400;1,700&display=swap
  • https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,400;0,600;0,700;1,400;1,700&display=swap
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/bootstrap.min.css
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/font-awesome.css
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/css/francearchives.bundle.css
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/jquery-typeahead/jquery.typeahead.min.css
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/jquery-3.1.1.min.js
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/jquery-typeahead/jquery.typeahead.min.js
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/cubes.pnia_portal.js
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/js/bootstrap.bundle.min.js
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/bundle-glossary.js
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/xtcore.js
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/images/logo_republiquefrancaise.png
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/images/logo_francearchives.svg
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/images/big_magnifyingglass_grey.svg
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/images/small_blue_character_picto.svg
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/images/small_blue_burger_menu.svg
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/images/icon-social-twitter-blue.svg
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/images/footer_signature_text-francearchive.png
  • https://fonts.gstatic.com/s/opensans/v27/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2
  • https://fonts.gstatic.com/s/opensans/v27/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/fonts/fontawesome-webfont.woff2?v=4.5.0
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/fonts/lovelo/Lovelo-Black.otf
  • https://logs.xiti.com/hit.xiti?s=582968&p=card::open_data-fr&vrn=1&ac=&at=&lng=en-US&idp=2034271382347&jv=0&re=1365x635&vtag=4.7.0&hl=20x34x27&r=1366x708x24x24&rn=1639946067420&ref=
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/images/big_cancel_cross_grey.svg
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/icons/manifest.json
  • https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/icons/favicon.ico

Privacy advice (78)

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
  • https://francearchives.fr/fr/open_data
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
  • https://francearchives.fr/fr/open_data
Set a strict transport header to make sure the user always use HTTPS. (strictTransportSecurityHeader)The max age is lower than six months. Increase it to get a better score.80
Do not share user data with third parties (thirdPartyPrivacy)You have 15% of the request that is 3rd party (4 requests with a size of 47 kB). The page also have request to companies that harvest data from users and do not respect users privacy (see https://en.wikipedia.org/wiki/Surveillance_capitalism). The page do 2 survelliance requests and uses 1 survelliance tools. The page do 2 analytics requests and uses 1 analytics tools. The project https://github.com/patrickhulce/third-party-web was used to calculate first/third party requests.0

Page info

Page info
TitleOpen data - Données ouvertes (FranceArchives)
Width1351
Height2392
DOM elements486
Avg DOM depth9
Max DOM depth14
Iframes0
Script tags9
Local storage35 B
Session storage0 b
HTML vs AMPPlain good HTML page
Third party
JQuery3.1.1
Google AnalyticsNo
Google Tag ManagerNo
PiwikNo
BoomerangNo
New RelicNo

Visual Metrics

Browser Metrics

Extra timings
first-contentful-paint543 ms
first-paint543 ms
RUM Speed Index544 ms
Load Event End955 ms
Largest Contentful Paint543 ms
Fully loaded982 ms

Largest Contentful Paint

Read more about Largest Contentful Paint.

Tag Render timeLoad timeSize
P 543 ms 0 ms 82.4 KB

Detected Cumulative Layout Shift

0.00 layout shift collected from the The Layout Instability API.

Element timings

IdURLTag Render timeLoad timeNatural widthNatural height

Server timings

There are no Server Timings.

Custom metrics collected through JavaScript

There are no custom configured scripts.

Extra metrics collected using scripting

namevalue

CDP Performance

namevalue
AudioHandlers0
Documents7
Frames7
JSEventListeners128
LayoutObjects422
MediaKeySessions0
MediaKeys0
Nodes1561
Resources34
ContextLifecycleStateObservers19
V8PerContextDatas1
WorkerGlobalScopes0
UACSSResources0
RTCPeerConnections0
ResourceFetchers7
AdSubframes0
DetachedScriptStates0
ArrayBufferContents0
LayoutCount9
RecalcStyleCount9
LayoutDuration176
RecalcStyleDuration122
DevToolsCommandDuration170
ScriptDuration160
V8CompileDuration9
TaskDuration1004
TaskOtherDuration367
ThreadTime1
JSHeapUsedSize3390636
JSHeapTotalSize4075520
FirstMeaningfulPaint543

PageXray

How the page is built.

Summary
HTTP versionHTTP/2.0
Total requests27
Total domains4
Total transfer size765.6 KB
Total content size804.6 KB
Responses missing compression12
Requests per response code
20026
3021

Largest assets on the page (by transfer size)

Requests and sizes per content type

ContentHeader SizeTransfer SizeContent SizeRequests
html0 b9.1 KB43.4 KB1
css0 b291.2 KB301.9 KB5
javascript0 b274.0 KB272.0 KB6
image0 b13.8 KB13.1 KB3
font0 b109.7 KB108.7 KB2
svg0 b19.5 KB18.0 KB6
other0 b32.8 KB32.5 KB1
json0 b501 B263 B1
favicon0 b15.0 KB14.7 KB1
Total0 b765.6 KB804.6 KB26

Size and requests per domain

DomainHeader SizeTransfer SizeContent SizeRequests
francearchives.frN/A719.7 KB747.2 KB23
fonts.googleapis.comN/A1.3 KB13.7 KB1
fonts.gstatic.comN/A44.2 KB43.6 KB1
logs.xiti.comN/A306 B35 B2

Expires, last modified and cookies stats

typeminmedianmax
Expires0 seconds4 weeks1 year
Last modified1 minute34 minutes7 weeks
Cookies000

Requests loaded after onLoad event

ContentTransfer SizeRequests
html0 b0
css0 b0
javascript0 b0
image0 b0
font0 b0
json501 B1
favicon15.0 KB1
Total15.5 KB2

Requests loaded after onContentLoad

Includes requests done after onLoad.

ContentTransfer SizeRequests
html0 b0
css0 b0
javascript0 b0
image307 B1
font0 b0
svg567 B1
json501 B1
favicon15.0 KB1
Total16.3 KB4

CPU

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

Long Tasks

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

TypeQuantityTotal duration (ms)
Total Blocking Time 50
Max Potential First Input Delay 87
Long Tasks before First Paint2258
Long Tasks before First Contentful Paint2258
Long Tasks after Load Event End00
Total Long Tasks4408

Individual Long Tasks

namestartTimedurationcontainerIdcontainerNamecontainerSrccontainerType
unknown270205window
self48153window
self63263window
self72387window

CPU time spent

Calculated using Tracium.

Categories (ms)
parseHTML70
styleLayout308
paintCompositeRender29
scriptParseCompile9
scriptEvaluation179
garbageCollection8
other195
Events (ms)
RunTask182
Layout177
V8.Execute157
UpdateLayoutTree130
ParseHTML38
ParseAuthorStyleSheet32
Paint12
EvaluateScript11

Time spent per request

URLCPU time (ms)
https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/jquery-3.1.1.min.js160
https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/xtcore.js27
https://francearchives.fr/data/39b58a52585d82c4f11a2f28bb56b022/bundle-glossary.js17

CPU time spent

Tool/domainTime (ms)
francearchives.fr204.6

Third party

Third party requests categorised by Third party web.

CategoryRequests
cdn 2
survelliance 2
analytics 2
CategoryNumber of tools
cdn 1
survelliance 1
analytics 1

Third party requests and tools

cdn (2 requests)
Google Fonts
  • https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,400;0,600;0,700;1,400;1,700&display=swap (Google Fonts)
  • https://fonts.gstatic.com/s/opensans/v27/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2 (Google Fonts)
survelliance (2 requests)
Google Fonts
  • https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,400;0,600;0,700;1,400;1,700&display=swap (Google Fonts)
  • https://fonts.gstatic.com/s/opensans/v27/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2 (Google Fonts)
analytics (2 requests)
XiTi
  • https://logs.xiti.com/hit.xiti?s=582968&p=card::open_data-fr&vrn=1&ac=&at=&lng=en-US&idp=203450195001&jv=0&re=1365x635&vtag=4.7.0&hl=20x34x50&r=1366x708x24x24&rn=1639946090312&ref= (XiTi)
  • https://logs.xiti.com/hit.xiti?s=582968&p=card::open_data-fr&vrn=1&ac=&at=&lng=en-US&idp=203450195001&jv=0&re=1365x635&vtag=4.7.0&hl=20x34x50&r=1366x708x24x24&rn=1639946090312&ref=&Rdt=On (XiTi)

First party requests and sizes per content type

Calculated using .*francearchives.* (use --firstParty to configure).

ContentHeader SizeTransfer SizeContent SizeRequests
html0 b9.1 KB43.4 KB1
css0 b289.9 KB288.2 KB4
javascript0 b274.0 KB272.0 KB6
image0 b13.5 KB13.1 KB2
font0 b65.4 KB65.1 KB1
svg0 b19.5 KB18.0 KB6
other0 b32.8 KB32.5 KB1
json0 b501 B263 B1
favicon0 b15.0 KB14.7 KB1
TotalN/A719.7 KB747.2 KB23

Third party requests and sizes per content type

ContentHeader SizeTransfer SizeContent SizeRequests
html0 b0 b0 b0
css0 b1.3 KB13.7 KB1
javascript0 b0 b0 b0
image0 b307 B35 B1
font0 b44.2 KB43.6 KB1
TotalN/A45.9 KB57.4 KB4