{"id":115945,"date":"2024-05-21T02:59:26","date_gmt":"2024-05-21T00:59:33","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/izuchenie-vliyaniya-na-proizvoditelnost-5000-dopolnenij-k-chrome"},"modified":"2024-05-21T02:59:26","modified_gmt":"2024-05-21T00:59:33","slug":"izuchenie-vliyaniya-na-proizvoditelnost-5000-dopolnenij-k-chrome","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/izuchenie-vliyaniya-na-proizvoditelnost-5000-dopolnenij-k-chrome","title":{"rendered":"Studio dell'impatto sulle prestazioni di 5000 estensioni di Chrome","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Il servizio di monitoraggio delle prestazioni dei siti web DebugBear ha pubblicato i risultati di un'analisi sull'impatto delle estensioni del browser sulle prestazioni e sul comfort degli utenti. Durante lo studio sono state testate le 5000 estensioni pi\u00f9 popolari di Chrome. I test hanno valutato il carico sulla CPU, il volume dei dati scaricati, la velocit\u00e0 di caricamento delle pagine, i ritardi nell'interazione degli utenti con le pagine web e il consumo di spazio su disco.     <\/p>\n<p>Alcuni risultati:  <\/p>\n<ul>\n<li class=\"l\"> L'uso di estensioni con blocchi pubblicitari riduce generalmente il carico sulla CPU, diminuisce il volume dei dati scaricati e riduce il consumo di memoria. Ad esempio, l'estensione uBlock Origin, che conta 37 milioni di utenti, riduce il carico sulla CPU da 57 a 4 secondi di tempo di processo durante la visualizzazione delle pagine testate su uno dei siti di news con abbondanza di pubblicit\u00e0. Tuttavia, la riduzione del carico sulla CPU con i blocchi pubblicitari pi\u00f9 popolari, come AdBlock (66 milioni di utenti) e AdBlock Plus (45 milioni di utenti), \u00e8 risultata minima e non ha superato il 15%.     <center><img decoding=\"async\" alt=\"Studio dell&#039;impatto sulle prestazioni di 5000 estensioni di Chrome \" src=\"\/wp-content\/uploads\/2024\/05\/0b2097cacc23478814f371b5db882d1d.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Nella valutazione del risparmio di traffico attivando i blocchi, il miglior risultato \u00e8 stato ottenuto da uBlock Origin, che ha ridotto la dimensione dei dati scaricati sui siti testati in media da 41 a 3 MB. L'estensione ScriptSafe si \u00e8 classificata pi\u00f9 in alto nella classifica, ma questo \u00e8 stato raggiunto disabilitando completamente JavaScript.    <center><img decoding=\"async\" alt=\"Studio dell&#039;impatto sulle prestazioni di 5000 estensioni di Chrome \" src=\"\/wp-content\/uploads\/2024\/05\/fa49c47f96f2a3261206cc3343118889.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Nel test dell'impatto delle estensioni sul consumo di memoria, i migliori risultati sono stati ottenuti dall'estensione DuckDuckGo Privacy Essentials. L'uso di AdBlock Plus ha portato a un aumento del consumo di memoria.        <center><img decoding=\"async\" alt=\"Studio dell&#039;impatto sulle prestazioni di 5000 estensioni di Chrome \" src=\"\/wp-content\/uploads\/2024\/05\/ae332fb601db5d3d9ecee3ac02a75def.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Tra 336 plugin con oltre 1 milione di utenti, 11 hanno causato un aumento del carico di elaborazione su ogni pagina superiore a 0,5 secondi di tempo CPU. Le peggiori prestazioni sono state registrate per il plugin Monica, che ha 2 milioni di installazioni; utilizzandolo, si spendevano ulteriori 1,3 secondi per elaborare ogni pagina. Il plugin Read&amp;Write, con 17 milioni di installazioni, ha sottratto 0,8 secondi di tempo processore.    <center><img decoding=\"async\" alt=\"Studio dell&#039;impatto sulle prestazioni di 5000 estensioni di Chrome \" src=\"\/wp-content\/uploads\/2024\/05\/89e2c734c4ae9cbc513e58effd1b50c1.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Il test condotto sul sito Ikea ha rivelato estensioni che rallentano le prestazioni, risolvendo problemi specifici per i negozi online. Ad esempio, l'estensione Honey, con 20 milioni di utenti, causava un ritardo di 1,5 secondi in tempo CPU.      <center><img decoding=\"async\" alt=\"Studio dell&#039;impatto sulle prestazioni di 5000 estensioni di Chrome \" src=\"\/wp-content\/uploads\/2024\/05\/1609d17995d81cd3cf9c12025bbc0a1f.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Espandendo il test a 5000 delle estensioni pi\u00f9 popolari, la peggiore performance (2,3 secondi di tempo CPU) \u00e8 stata riscontrata nell'estensione MaxAI, che conta 800.000 utenti.    <center><img decoding=\"async\" alt=\"Studio dell&#039;impatto sulle prestazioni di 5000 estensioni di Chrome \" src=\"\/wp-content\/uploads\/2024\/05\/0f774ebc32464544ca948335af63ec6c.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Durante il test di 5000 plugin sul sito Ikea, le peggiori prestazioni (quasi 5 secondi di tempo CPU) sono state registrate per il plugin \u00absuperagent \u2014 Automatic cookie consent\u00bb.    <center><img decoding=\"async\" alt=\"Studio dell&#039;impatto sulle prestazioni di 5000 estensioni di Chrome \" src=\"\/wp-content\/uploads\/2024\/05\/be2f6b8158f4578737075925663072b3.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> L'86% dei plugin testati ha generato un carico minimo (meno di 50 ms) sulla CPU, il 5,2% dei plugin ha creato un carico da 50 a 100 ms di tempo CPU, il 4,4% \u2014 da 100 a 250 ms, il 2,4% \u2014 da 250 a 500 ms, e l'1,7% \u2014 oltre 500 ms.    <center><img decoding=\"async\" alt=\"Studio dell&#039;impatto sulle prestazioni di 5000 estensioni di Chrome \" src=\"\/wp-content\/uploads\/2024\/05\/23b8913ecc7d200b8cd0cfbc7f5ce5ca.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Il test riguardante il ritardo nel caricamento delle pagine (metrica FCP, First Contentful Paint) ha mostrato che non esiste una correlazione diretta tra un elevato carico della CPU e i ritardi nel caricamento delle pagine. Ad esempio, le estensioni che richiedono un elevato utilizzo della CPU, come Coupert Coupon Finder e Merlin AI, non hanno rallentato il caricamento delle pagine. Tra le estensioni che hanno notevolmente rallentato il caricamento delle pagine, si sono distinte Monica AI, Klarna e Avast Safeprice, che avviano i processi all'inizio del caricamento, anzich\u00e9 dopo il suo completamento. Si sono verificati ritardi anche con le estensioni che offrono accesso tramite <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/vpn\/\"   title=\"VPN\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"141\">VPN<\/a>.\n<p>Campione di estensioni con oltre un milione di utenti:    <center><img decoding=\"async\" alt=\"Studio dell&#039;impatto sulle prestazioni di 5000 estensioni di Chrome \" src=\"\/wp-content\/uploads\/2024\/05\/3cb580fe9349587f1d9c8570d4c3f165.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>  <\/p>\n<p>Campione delle 5000 estensioni pi\u00f9 popolari:    <center><img decoding=\"async\" alt=\"Studio dell&#039;impatto sulle prestazioni di 5000 estensioni di Chrome \" src=\"\/wp-content\/uploads\/2024\/05\/c529ce2111a9832d60f7389e1dc9aeb4.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<li class=\"l\"> Test dei ritardi nell'interazione con le pagine (metrica INP, Interaction to Next Paint). Tra le estensioni con oltre un milione di utenti, si \u00e8 distint\u043e Avira Password Manager, che causava un ritardo di 160 ms ad ogni clic del mouse (il ritardo si manifesta solo nei primi 5 secondi, fino al termine dell'inizializzazione). L'uso delle estensioni Microsoft Editor e Superb Copy ha causato ritardi di circa 10 ms.      <center><img decoding=\"async\" alt=\"Studio dell&#039;impatto sulle prestazioni di 5000 estensioni di Chrome \" src=\"\/wp-content\/uploads\/2024\/05\/8a17431c3b0b6591e87b1287001b5f3a.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Test del consumo di spazio su disco. Tra 5000 plugin testati, 27 hanno causato un consumo superiore a 100 MB di spazio su disco. Il leader \u00e8 stato il plugin Meme Soundboard, che ha richiesto 600 MB a causa del salvataggio di 723 file MP3. L'87% dei plugin occupa meno di 10 MB, l'11,2% \u2014 pi\u00f9 di 10 MB e il 2,2% \u2014 pi\u00f9 di 50 MB.    <center><img decoding=\"async\" alt=\"Studio dell&#039;impatto sulle prestazioni di 5000 estensioni di Chrome \" src=\"\/wp-content\/uploads\/2024\/05\/fa9056d09e1ec68fca03e11e3aba4ead.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\">  L'1,7% delle estensioni blocca la memorizzazione nella cache della navigazione tra le pagine (back\/forward cache). Tra queste estensioni ci sono: LastPass Password Manager, Avast Online Security, Avira Browser Safety, Norton Password Manager, Snap&#038;Read e Microsoft Editor.\n<li class=\"l\"> Il pre-caricamento e il pre-rendering vengono bloccati da 8 componenti aggiuntivi (0,2%), tra cui uBlock Origin, Windscribe e Privacy Badger.    <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61218\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0435\u0440\u0432\u0438\u0441 \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0438\u043d\u0433\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 web-\u0441\u0430\u0439\u0442\u043e\u0432 DebugBear \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b 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| \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0418\u0437\u0443\u0447\u0435\u043d\u0438\u0435 \u0432\u043b\u0438\u044f\u043d\u0438\u044f \u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c 5000 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0439 \u043a Chrome | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0421\u0435\u0440\u0432\u0438\u0441 \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0438\u043d\u0433\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 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