ampproject / amphtml

The AMP web component framework.
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amp-ad, amp-analytics: Use JSON for configuration #13288

Closed jridgewell closed 6 years ago

jridgewell commented 6 years ago

One of the insights from today's V8 Memory meeting was that using large object literals as dictionaries is much more memory intensive than initiating them from JSON strings.

Using object literals: 164,864b Using JSON.parse: 122,496b 25% savings

lannka commented 6 years ago

I'm not sure if I'm looking at the right numbers but I got different experiment results:

Using object literals: 80,912

screenshot from 2018-02-08 14 15 29

Using JSON.parse: 114,192 screenshot from 2018-02-08 14 17 53

jridgewell commented 6 years ago

What's your setup?

lannka commented 6 years ago

What setup? I'm on desktop chrome Version 64.0.3282.119 (Official Build) (64-bit).

Running with a local dev build (non-compiled js)

jridgewell commented 6 years ago

No, I mean how did you transform it into JSON? The exact code you have (copy paste it all here).

lannka commented 6 years ago

export const ANALYTICS_CONFIG = JSON.parse('{"default":{"transport":{"beacon":true,"xhrpost":true,"image":true},"vars":{"accessReaderId":"ACCESS_READER_ID","adNavTiming":"AD_NAV_TIMING","adNavType":"AD_NAV_TYPE","adRedirectCount":"AD_NAV_REDIRECT_COUNT","ampdocHost":"AMPDOC_HOST","ampdocHostname":"AMPDOC_HOSTNAME","ampdocUrl":"AMPDOC_URL","ampVersion":"AMP_VERSION","authdata":"AUTHDATA","availableScreenHeight":"AVAILABLE_SCREEN_HEIGHT","availableScreenWidth":"AVAILABLE_SCREEN_WIDTH","backgroundState":"BACKGROUND_STATE","browserLanguage":"BROWSER_LANGUAGE","canonicalHost":"CANONICAL_HOST","canonicalHostname":"CANONICAL_HOSTNAME","canonicalPath":"CANONICAL_PATH","canonicalUrl":"CANONICAL_URL","clientId":"CLIENT_ID","contentLoadTime":"CONTENT_LOAD_TIME","counter":"COUNTER","documentCharset":"DOCUMENT_CHARSET","documentReferrer":"DOCUMENT_REFERRER","domainLookupTime":"DOMAIN_LOOKUP_TIME","domInteractiveTime":"DOM_INTERACTIVE_TIME","externalReferrer":"EXTERNAL_REFERRER","firstContentfulPaint":"FIRST_CONTENTFUL_PAINT","firstViewportReady":"FIRST_VIEWPORT_READY","makeBodyVisible":"MAKE_BODY_VISIBLE","incrementalEngagedTime":"INCREMENTAL_ENGAGED_TIME","navRedirectCount":"NAV_REDIRECT_COUNT","navTiming":"NAV_TIMING","navType":"NAV_TYPE","pageDownloadTime":"PAGE_DOWNLOAD_TIME","pageLoadTime":"PAGE_LOAD_TIME","pageViewId":"PAGE_VIEW_ID","queryParam":"QUERY_PARAM","random":"RANDOM","redirectTime":"REDIRECT_TIME","screenColorDepth":"SCREEN_COLOR_DEPTH","screenHeight":"SCREEN_HEIGHT","screenWidth":"SCREEN_WIDTH","scrollHeight":"SCROLL_HEIGHT","scrollLeft":"SCROLL_LEFT","scrollTop":"SCROLL_TOP","scrollWidth":"SCROLL_WIDTH","serverResponseTime":"SERVER_RESPONSE_TIME","sourceUrl":"SOURCE_URL","sourceHost":"SOURCE_HOST","sourceHostname":"SOURCE_HOSTNAME","sourcePath":"SOURCE_PATH","tcpConnectTime":"TCP_CONNECT_TIME","timestamp":"TIMESTAMP","timezone":"TIMEZONE","title":"TITLE","totalEngagedTime":"TOTAL_ENGAGED_TIME","userAgent":"USER_AGENT","viewer":"VIEWER","viewportHeight":"VIEWPORT_HEIGHT","viewportWidth":"VIEWPORT_WIDTH"}},"acquialift":{"vars":{"decisionApiUrl":"us-east-1-decisionapi.lift.acquia.com","accountId":"xxxxxxxx","siteId":"xxxxxxxx"},"transport":{"beacon":true,"xhrpost":true,"image":false},"requests":{"base":"https://${decisionApiUrl}/capture?account_id=${accountId}&site_id=${siteId}","basicCapture":"${base}&ident=${clientId(tc_ptid)}&identsrc=amp&es=Amp&url=${canonicalUrl}&rurl=${documentReferrer}&cttl=${title}","pageview":"${basicCapture}&en=Content View","click":"${basicCapture}&en=Click-Through"},"triggers":{"defaultPageview":{"on":"visible","request":"pageview"}}},"afsanalytics":{"vars":{"server":"www","websiteid":"xxxxxxxx","event":"click","clicklabel":"clicked from AMP page"},"transport":{"beacon":false,"xhrpost":false,"image":true},"requests":{"host":"//${server}.afsanalytics.com","base":"${host}/cgi_bin/","pageview":"${base}connect.cgi?usr=${websiteid}Pauto&js=1&amp=1&title=${title}&url=${canonicalUrl}&refer=${documentReferrer}&resolution=${screenWidth}x${screenHeight}&color=${screenColorDepth}&Tips=${random}","click":"${base}click.cgi?usr=${websiteid}&event=${event}&exit=${clicklabel}"},"triggers":{"defaultPageview":{"on":"visible","request":"pageview"}}},"alexametrics":{"requests":{"base":"https://${ampAtrkHost}/atrk.gif?account=${atrk_acct}&domain=${domain}","pageview":"${base}&jsv=amp-${ampVersion}&frame_height=${viewportHeight}&frame_width=${viewportWidth}&title=${title}&time=${timestamp}&time_zone_offset=${timezone}&screen_params=${screenWidth}x${screenHeight}x${screenColorDepth}&ref_url=${documentReferrer}&host_url=${sourceUrl}&random_number=${random}&user_cookie=${clientId(__auc)}&user_cookie_flag=0&user_lang=${browserLanguage}&amp_doc_url=${ampdocUrl}"},"vars":{"atrk_acct":"","domain":"","ampAtrkHost":"certify-amp.alexametrics.com"},"triggers":{"trackPageview":{"on":"visible","request":"pageview"}},"transport":{"xhrpost":false,"beacon":false,"image":true}},"atinternet":{"transport":{"beacon":false,"xhrpost":false,"image":true},"requests":{"base":"https://${log}${domain}/hit.xiti?s=${site}&ts=${timestamp}&r=${screenWidth}x${screenHeight}x${screenColorDepth}&re=${availableScreenWidth}x${availableScreenHeight}","suffix":"&medium=amp&${extraUrlParams}&ref=${documentReferrer}","pageview":"${base}&p=${title}&s2=${level2}${suffix}","click":"${base}&pclick=${title}&s2click=${level2}&p=${label}&s2=${level2Click}&type=click&click=${type}${suffix}"}},"baiduanalytics":{"requests":{"host":"https://hm.baidu.com","base":"${host}/hm.gif?si=${token}&nv=0&st=4&v=pixel-1.0&rnd=${timestamp}","pageview":"${base}&et=0","event":"${base}&ep=${category}*${action}*${label}*${value}&et=4&api=8_0"},"transport":{"beacon":false,"xhrpost":false,"image":true}},"bg":{"transport":{"iframe":"https://tpc.googlesyndication.com/b4a/b4a-runner.html"}},"burt":{"vars":{"trackingKey":"ignore","category":"","subCategory":""},"requests":{"host":"//${trackingKey}.c.richmetrics.com/","base":"${host}imglog?e=${trackingKey}&pi=${trackingKey}|${pageViewId}|${canonicalPath}|${clientId(burt-amp-user-id)}&ui=${clientId(burt-amp-user-id)}&v=amp&ts=${timestamp}&sn=${requestCount}&","pageview":"${base}type=page&ca=${category}&sc=${subCategory}&ln=${browserLanguage}&lr=${documentReferrer}&eu=${sourceUrl}&tz=${timezone}&pd=${scrollWidth}x${scrollHeight}&sd=${screenWidth}x${screenHeight}&wd=${availableScreenWidth}x${availableScreenHeight}&ws=${scrollLeft}x${scrollTop}","pageping":"${base}type=pageping"},"triggers":{"pageview":{"on":"visible","request":"pageview"},"pageping":{"on":"timer","timerSpec":{"interval":15,"maxTimerLength":1200},"request":"pageping"}},"transport":{"beacon":false,"xhrpost":false,"image":true}},"byside":{"vars":{"agentDomain":"webcare","webcareId":"","channel":"","fid":"","lang":"pt"},"requests":{"host":"//${agentDomain}.byside.com/","base":"${host}BWA${webcare_id}/amp/","pageview":"${base}pixel.php","event":"${base}signal.php?event_id=${eventId}&event_label=${eventLabel}&fields=${fields}"},"extraUrlParams":{"webcare_id":"${webcareId}","bwch":"${channel}","lang":"${lang}","fid":"${fid}","bwit":"A","tuid":"${clientId(byside_webcare_tuid)}","suid":"","puid":"${pageViewId}p${timestamp}","referrer":"${documentReferrer}","page":"${sourceUrl}","amppage":"${ampdocUrl}","bwpt":"${title}","bres":"${viewportWidth}x${viewportHeight}","res":"${screenWidth}x${screenHeight}","v":"v20171116a","ampv":"${ampVersion}","viewer":"${viewer}","ua":"${userAgent}","r":"${random}"},"triggers":{"pageview":{"on":"visible","request":"pageview"}},"transport":{"beacon":false,"xhrpost":false,"image":true}},"chartbeat":{"requests":{"host":"https://ping.chartbeat.net","basePrefix":"/ping?h=${domain}&p=${canonicalPath}&u=${clientId(_cb)}&d=${canonicalHost}&g=${uid}&g0=${sections}&g1=${authors}&g2=${zone}&g3=${sponsorName}&g4=${contentType}&c=120&x=${scrollTop}&y=${scrollHeight}&j=${decayTime}&R=1&W=0&I=0&E=${totalEngagedTime}&r=${documentReferrer}&t=${pageViewId}${clientId(_cb)}&b=${pageLoadTime}&i=${title}&T=${timestamp}&tz=${timezone}&C=2","baseSuffix":"&_","interval":"${host}${basePrefix}${baseSuffix}","anchorClick":"${host}${basePrefix}${baseSuffix}"},"triggers":{"trackInterval":{"on":"timer","timerSpec":{"interval":15,"maxTimerLength":7200},"request":"interval","vars":{"decayTime":30}},"trackAnchorClick":{"on":"click","selector":"a","request":"anchorClick","vars":{"decayTime":30}}},"transport":{"beacon":false,"xhrpost":false,"image":true}},"clicky":{"vars":{"site_id":""},"requests":{"base":"https://in.getclicky.com/in.php?site_id=${site_id}","baseSuffix":"&mime=${contentType}&x=${random}","pageview":"${base}&res=${screenWidth}x${screenHeight}&lang=${browserLanguage}&secure=1&type=pageview&href=${canonicalPath}&title=${title}${baseSuffix}","interval":"${base}&type=ping${baseSuffix}"},"triggers":{"defaultPageview":{"on":"visible","request":"pageview"},"interval":{"on":"timer","timerSpec":{"interval":60,"maxTimerLength":600},"request":"interval"}},"transport":{"beacon":false,"xhrpost":false,"image":true}},"colanalytics":{"requests":{"host":"https://ase.clmbtech.com","base":"${host}/message","pageview":"${base}?cid=${id}&val_101=${id}&val_101=${canonicalPath}&ch=${canonicalHost}&uuid=${uid}&au=${authors}&zo=${zone}&sn=${sponsorName}&ct=${contentType}&st=${scrollTop}&sh=${scrollHeight}&dct=${decayTime}&tet=${totalEngagedTime}&dr=${documentReferrer}&plt=${pageLoadTime}&val_108=${title}&val_120=3"},"triggers":{"defaultPageview":{"on":"visible","request":"pageview"}},"transport":{"beacon":false,"xhrpost":false,"image":true}},"comscore":{"vars":{"c2":"1000001"},"requests":{"host":"https://sb.scorecardresearch.com","base":"${host}/b?","pageview":"${base}c1=2&c2=${c2}&cs_pv=${pageViewId}&c12=${clientId(comScore)}&rn=${random}&c8=${title}&c7=${canonicalUrl}&c9=${documentReferrer}&cs_c7amp=${ampdocUrl}"},"triggers":{"defaultPageview":{"on":"visible","request":"pageview"}},"transport":{"beacon":false,"xhrpost":false,"image":true}},"cxense":{"requests":{"host":"https://scomcluster.cxense.com","base":"${host}/Repo/rep.gif","pageview":"${base}?ver=1&typ=pgv&sid=${siteId}&ckp=${clientId(cX_P)}&loc=${sourceUrl}&rnd=${random}&ref=${documentReferrer}&ltm=${timestamp}&wsz=${screenWidth}x${screenHeight}&bln=${browserLanguage}&chs=${documentCharset}&col=${screenColorDepth}&tzo=${timezone}&cp_cx_channel=amp"},"triggers":{"defaultPageview":{"on":"visible","request":"pageview"}},"transport":{"beacon":false,"xhrpost":false,"image":true}},"dynatrace":{"requests":{"endpoint":"${protocol}://${tenant}${separator}${environment}:${port}/ampbf/${tenantpath}","pageview":"${endpoint}?type=js&flavor=amp&v=1&a=1%7C1%7C_load_%7C_load_%7C-%7C${navTiming(navigationStart)}%7C${navTiming(domContentLoadedEventEnd)}%7C0%2C2%7C2%7C_onload_%7C_load_%7C-%7C${navTiming(domContentLoadedEventStart)}%7C${navTiming(domContentLoadedEventEnd)}%7C0&fId=${pageViewId}&vID=${clientId(rxVisitor)}&referer=${sourceUrl}&title=${title}&sw=${screenWidth}&sh=${screenHeight}&w=${viewportWidth}&h=${viewportHeight}&nt=a${navType}b${navTiming(navigationStart)}c${navTiming(navigationStart,redirectStart)}d${navTiming(navigationStart,redirectEnd)}e${navTiming(navigationStart,fetchStart)}f${navTiming(navigationStart,domainLookupStart)}g${navTiming(navigationStart,domainLookupEnd)}h${navTiming(navigationStart,connectStart)}i${navTiming(navigationStart,connectEnd)}j${navTiming(navigationStart,secureConnectionStart)}k${navTiming(navigationStart,requestStart)}l${navTiming(navigationStart,responseStart)}m${navTiming(navigationStart,responseEnd)}n${navTiming(navigationStart,domLoading)}o${navTiming(navigationStart,domInteractive)}p${navTiming(navigationStart,domContentLoadedEventStart)}q${navTiming(navigationStart,domContentLoadedEventEnd)}r${navTiming(navigationStart,domComplete)}s${navTiming(navigationStart,loadEventStart)}t${navTiming(navigationStart,loadEventEnd)}&app=${app}&time=${timestamp}"},"triggers":{"trackPageview":{"on":"visible","request":"pageview"}},"transport":{"beacon":false,"xhrpost":false,"image":true},"vars":{"app":"ampapp","protocol":"https","tenant":"","environment":"live.dynatrace.com","port":"443","separator":"."}},"euleriananalytics":{"vars":{"analyticsHost":"","documentLocation":"SOURCE_URL"},"requests":{"base":"https://${analyticsHost}","basePrefix":"-/${random}?euid-amp=${clientId(etuix)}&url=${documentLocation}&","pageview":"${base}/col2/${basePrefix}rf=${documentReferrer}&sd=${screenWidth}x${screenHeight}&sd=${screenColorDepth}&elg=${browserLanguage}","action":"${base}/action/${basePrefix}eact=${actionCode}&actr=${actionRef}","user":"${base}/uparam/${basePrefix}euk${userParamKey}=${userParamVal}"},"transport":{"beacon":false,"xhrpost":false,"image":true}},"facebookpixel":{"vars":{"pixelId":"PIXEL-ID"},"requests":{"host":"https://www.facebook.com","base":"${host}/tr?noscript=1","pageview":"${base}&ev=PageView&id=${pixelId}","event":"${base}&ev=${eventName}&id=${pixelId}&cd[content_name]=${content_name}","eventViewContent":"${base}&ev=ViewContent&id=${pixelId}&cd[value]=${value}&cd[currency]=${currency}&cd[content_name]=${content_name}&cd[content_type]=${content_type}&cd[content_ids]=${content_ids}","eventSearch":"${base}&ev=Search&id=${pixelId}&cd[value]=${value}&cd[currency]=${currency}&cd[content_category]=${content_category}&cd[content_ids]=${content_ids}&cd[search_string]=${search_string}","eventAddToCart":"${base}&ev=AddToCart&id=${pixelId}&cd[value]=${value}&cd[currency]=${currency}&cd[content_name]=${content_name}&cd[content_type]=${content_type}&cd[content_ids]=${content_ids}","eventAddToWishlist":"${base}&ev=AddToWishlist&id=${pixelId}&cd[value]=${value}&cd[currency]=${currency}&cd[content_name]=${content_name}&cd[content_category]=${content_category}&cd[content_ids]=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lannka commented 6 years ago

sorry, it's huge.

what i did was pasting the output of JSON.stringify(object) back to the code.

jridgewell commented 6 years ago

Pinged Chrome, let's see if they can help.

lannka commented 6 years ago

@jridgewell any update for this?

lannka commented 6 years ago

Closing it for now.

jridgewell commented 6 years ago

Whoops, missed this.

Chrome canary shipped the bugfix that will lower memory usage. Given that Safari probably doesn't follow, and it'll take 6+ weeks for canary to become stable (and everyone to update), I don't think this should be done now.