In this Hasty Treat, Scott and Wes answer a question about caching, cache control headers, an explanation of the fields for caching. <a id= "Sentry__Sponsor_2" name="Sentry__Sponsor_2"></a>Sentry - Sponsor If you want to know what’s happening with your code, track errors and monitor performance with Sentry. Sentry’s Application Monitoring platform helps developers see performance issues, fix errors faster, and optimize their code health. Cut your time on error resolution from hours to minutes. It works with any language and integrates with dozens of other services. Syntax listeners new to Sentry can get two months for free by visiting <a href= "https://sentry.io">Sentry.io</a> and using the coupon code TASTYTREAT during sign up. <a id= "LogRocket__Sponsor_6" name="LogRocket__Sponsor_6"></a>LogRocket - Sponsor LogRocket lets you replay what users do on your site, helping you reproduce bugs and fix issues faster. It’s an exception tracker, a session re-player and a performance monitor. Get 14 days free at <a href= "https://logrocket.com/syntax">logrocket.com/syntax</a>. <a id="Show_Notes_10" name="Show_Notes_10"></a>Show Notes <ul> <li class="has-line-data" data-line-start="12" data-line-end="14"> <a href= "https://svelte.dev/repl/a779692677d44146b9118e0008cbb4d0?version=3.48.0"> Time to live calculator</a> </li> <li class="has-line-data" data-line-start="14" data-line-end="16"> <a href="https://remix.run/conf">Reminx Conf</a> </li> <li class="has-line-data" data-line-start="16" data-line-end="18"> <a href="http://opera.com/">Opera</a> </li> <li class="has-line-data" data-line-start="18" data-line-end="20"> <a href="https://www.youtube.com/watch?v=NBEK4NLcbrY">The United States of Insanity - Official Trailer</a> </li> <li class="has-line-data" data-line-start="20" data-line-end="21"> <a href="#t=00:24">00:24</a> Welcome </li> <li class="has-line-data" data-line-start="21" data-line-end="22"> <a href="#t=01:11">01:11</a> Sponsor: Sentry </li> <li class="has-line-data" data-line-start="22" data-line-end="23"> <a href="#t=02:28">02:28</a> Sponsor: LogRocket </li> <li class="has-line-data" data-line-start="23" data-line-end="24"> <a href="#t=03:08">03:08</a> My struggle has been with caching, cache control headers and would love a better explanation on some of the fields? </li> <li class="has-line-data" data-line-start="24" data-line-end="25"> <a href="#t=04:48">04:48</a> What is a header? </li> <li class="has-line-data" data-line-start="25" data-line-end="26"> <a href="#t=06:05">06:05</a> What is caching? </li> <li class="has-line-data" data-line-start="26" data-line-end="27"> <a href="#t=08:21">08:21</a> Time to live (TTL) </li> <li class="has-line-data" data-line-start="27" data-line-end="28"> <a href="#t=09:08">09:08</a> Benefits of a cache </li> <li class="has-line-data" data-line-start="28" data-line-end="29"> <a href="#t=10:03">10:03</a> Specifying how long to cache </li> <li class="has-line-data" data-line-start="29" data-line-end="30"> <a href="#t=11:06">11:06</a> max-age </li> <li class="has-line-data" data-line-start="30" data-line-end="31"> <a href="#t=12:45">12:45</a> stale-while-revalidate </li> <li class="has-line-data" data-line-start="31" data-line-end="32"> <a href="#t=16:17">16:17</a> stale-if-error </li> <li class="has-line-data" data-line-start="32" data-line-end="33"> <a href="#t=16:54">16:54</a> must-revalidate </li> <li class="has-line-data" data-line-start="33" data-line-end="34"> <a href="#t=17:21">17:21</a> private </li> <li class="has-line-data" data-line-start="34" data-line-end="35"> <a href="#t=18:03">18:03</a> immutable </li> <li class="has-line-data" data-line-start="35" data-line-end="36"> <a href="#t=19:29">19:29</a> no-transform </li> <li class="has-line-data" data-line-start="36" data-line-end="38"> <a href="#t=20:45">20:45</a> Cache Control Request Directives </li> </ul> <a id="Tweet_us_your_tasty_treats_38" name= "Tweet_us_your_tasty_treats_38"></a>Tweet us your tasty treats <ul> <li class="has-line-data" data-line-start="40" data-line-end="41"> <a href="https://www.instagram.com/stolinski/">Scott’s Instagram</a></li> <li class="has-line-data" data-line-start="41" data-line-end="42"> <a href= "https://www.instagram.com/LevelUpTutorials/">LevelUpTutorials Instagram</a></li> <li class="has-line-data" data-line-start="42" data-line-end="43"> <a href="https://www.instagram.com/wesbos/">Wes’ Instagram</a></li> <li class="has-line-data" data-line-start="43" data-line-end="44"> <a href="https://twitter.com/wesbos">Wes’ Twitter</a></li> <li class="has-line-data" data-line-start="44" data-line-end="45"> <a href="https://www.facebook.com/wesbos.developer">Wes’ Facebook</a></li> <li class="has-line-data" data-line-start="45" data-line-end="46"> <a href="https://twitter.com/stolinski">Scott’s Twitter</a></li> <li class="has-line-data" data-line-start="46" data-line-end="47"> Make sure to include <a href= "https://twitter.com/SyntaxFM">@SyntaxFM</a> in your tweets</li> </ul>

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Cache Control Headers Explained

Syntax - Tasty Web Development Treats