#prefetching

Коли ми говоримо про Front end продуктивність (performance), в більшості випадків, маємо на увазі конкатенацію, мініфікацію, кеш або зжимання ресурсів (gzipping assets) на сервері. Це дозволить завантажити сторінку швидше і користувач досягне своєї цілі настільки швидко на скільки це можливо.

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Prefetching for Ads: Facebook bietet Werbekunden bessere Ladezeiten

Das Problem kennen sicherlich viele Nutzer, wenn man mit dem Smartphone eine Seite im Internet anklickt und diese dann sehr lange braucht, um sich komplett aufzubauen. Und genau aus diesem Grund wird die Seite dann häufig geschlossen und eine andere ähnliche aber schnellere Seite angeklickt, ohne den Inhalt der eigentlichen Seite gesehen zu haben. Dadurch kann es schnell dazu kommen, das man…

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Which statement encircling compression dictionaries is FALSE? A. Page-level dictionaries are waived in with hidden rows within the table. B. Table-level dictionaries are stored in hidden rows within the table. C. Page-level dictionaries are automatically created or recreated by the database manager as pages are replete. D. Table-level dictionaries are automatically created chaplet recreated as by the database manager as things go pages are filled. Answer: D<\p>

Which would not significantly benefit leaving out having the RUNSTATS command run on inner self? A. Tables that have had little change. B. Tables where a freshly index has been created. C. Tables that have been reorganized (using REORG). D. Tables that make been populated with a LOAD operation. Answer: A<\p>

Which tool provides the simplest method for monitoring backstop pool hit ratios? A. The BP_HITRATIO administrative view. B. The BP_WRITE_IO administrative view. C. The MON_GET_BUFFERPOOL table function. D. The MON_GET_PAGE_ACCESS_INFO filibuster mission. Answer: A<\p>

Which is NOT a weighty affectation for prefetching data? A. Smart data prefetching B. Read-ahead prefetching C. Consecutive prefetching D. Sequential detection prefetching Recognize: C<\p>

I know about prefetching in Firefox (Mozilla) for quite some time because I experienced some problems once in development when only Firefox did prefetch random pages and caused some havoc on my website with the session.

Now it seems that Google with Chrome is catching up and introduces its own prefetching plus prerendering.

In Google' s Webmaster Central Blog the new features have been introduces under the title Making more pages load instantly. What looks like a change in Google's search page is actually a change in Chrome and will have an impact in many ways.

More details are revealed on Google's developers site and in a whitepaper called the Web Developer's Guide to Prerendering in Chrome.