{"id":30226,"date":"2025-09-25T07:30:24","date_gmt":"2025-09-25T04:30:24","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/localstoragei-unutun-veri-depolamada-modern-yaklasimlar\/"},"modified":"2025-09-25T07:30:24","modified_gmt":"2025-09-25T04:30:24","slug":"localstoragei-unutun-veri-depolamada-modern-yaklasimlar","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/localstoragei-unutun-veri-depolamada-modern-yaklasimlar\/","title":{"rendered":"localStorage&#8217;\u0131 Unutun: Veri Depolamada Modern Yakla\u015f\u0131mlar"},"content":{"rendered":"<p>localStorage&#039;\u0131 Unutun: Veri Depolamada Modern Yakla\u015f\u0131mlar<\/p>\n<p>Web uygulamalar\u0131n\u0131z\u0131n performans\u0131n\u0131 ve g\u00fcvenli\u011fini art\u0131rmak i\u00e7in do\u011fru veri depolama stratejisi se\u00e7mek kritik \u00f6neme sahiptir.  <code>localStorage<\/code>&#039;\u0131n s\u0131n\u0131rl\u0131 kapasitesi ve g\u00fcvenlik zafiyetleri, bir\u00e7ok geli\u015ftirici i\u00e7in ba\u015f a\u011fr\u0131s\u0131 yaratmaktad\u0131r. Bu makalede, <code>localStorage<\/code>&#039;\u0131n \u00f6tesinde, modern web uygulamalar\u0131 i\u00e7in daha g\u00fcvenli ve verimli veri depolama y\u00f6ntemlerini ke\u015ffedece\u011fiz.  Daha h\u0131zl\u0131, daha g\u00fcvenli ve \u00f6l\u00e7eklenebilir uygulamalar geli\u015ftirmek i\u00e7in yol haritan\u0131z\u0131 olu\u015ftural\u0131m.<\/p>\n<h2>localStorage&#039;\u0131n S\u0131n\u0131rlar\u0131 Nelerdir? Nas\u0131l Daha \u0130yi Alternatifler Bulabilirim?<\/h2>\n<p><code>localStorage<\/code> basitli\u011fi ile cazip gelse de, \u00f6nemli s\u0131n\u0131rlamalar\u0131 vard\u0131r. \u00d6ncelikle, s\u0131n\u0131rl\u0131 depolama kapasitesine sahiptir (genellikle 5MB civar\u0131nda). B\u00fcy\u00fck veri k\u00fcmelerini y\u00f6netmek i\u00e7in uygun de\u011fildir. Ayr\u0131ca, veri g\u00fcvenli\u011fi a\u00e7\u0131s\u0131ndan da endi\u015feler mevcuttur.  <code>localStorage<\/code>&#039;da depolanan veriler, taray\u0131c\u0131 \u00fczerinden eri\u015filebilir ve kullan\u0131c\u0131 taraf\u0131ndan kolayca de\u011fi\u015ftirilebilir.  Bu da hassas bilgilerin g\u00fcvenli\u011fini riske atar.  Bununla birlikte, <code>localStorage<\/code>&#039;\u0131n basitli\u011fi ve h\u0131zl\u0131 eri\u015fim \u00f6zelli\u011fi, k\u00fc\u00e7\u00fck \u00f6l\u00e7ekli uygulamalar i\u00e7in hala kullan\u0131\u015fl\u0131 olabilir, ancak b\u00fcy\u00fck ve karma\u015f\u0131k projeler i\u00e7in daha g\u00fc\u00e7l\u00fc ve g\u00fcvenli alternatifler tercih edilmelidir.<\/p>\n<h3>localStorage Kullan\u0131m\u0131n\u0131n Uygun Oldu\u011fu Senaryolar Nelerdir?<\/h3>\n<p>K\u00fc\u00e7\u00fck \u00f6l\u00e7ekli uygulamalar i\u00e7in <code>localStorage<\/code> kullan\u0131m\u0131 pratik olabilir. \u00d6rne\u011fin, kullan\u0131c\u0131n\u0131n tema tercihlerini, dil ayarlar\u0131n\u0131 veya son ziyaret edilen sayfalar\u0131 depolamak i\u00e7in ideal bir \u00e7\u00f6z\u00fcm sunar.  Bunlar genellikle k\u00fc\u00e7\u00fck veri k\u00fcmeleri oldu\u011fundan, <code>localStorage<\/code>&#039;\u0131n kapasite s\u0131n\u0131rlamas\u0131 bir sorun te\u015fkil etmez. Ancak, hassas verilerin depolanmas\u0131 i\u00e7in asla kullan\u0131lmamal\u0131d\u0131r. \u00d6rne\u011fin, kullan\u0131c\u0131 \u015fifrelerini veya kredi kart\u0131 bilgilerini <code>localStorage<\/code>&#039;da saklamak kesinlikle g\u00fcvenlik a\u00e7\u0131\u011f\u0131 yarat\u0131r.<\/p>\n<h2>Session Storage: Ge\u00e7ici Veri Depolaman\u0131n G\u00fcvenli Yolu<\/h2>\n<p><code>sessionStorage<\/code>, <code>localStorage<\/code>&#039;a benzer \u015fekilde taray\u0131c\u0131da veri depolayan bir mekanizmad\u0131r. Ancak, temel fark\u0131 ge\u00e7ici olmas\u0131d\u0131r.  <code>sessionStorage<\/code>&#039;da depolanan veriler, taray\u0131c\u0131 oturumu sona erdi\u011finde (taray\u0131c\u0131 kapat\u0131ld\u0131\u011f\u0131nda) silinir. Bu nedenle, oturum bazl\u0131 ge\u00e7ici verileri saklamak i\u00e7in idealdir. \u00d6rne\u011fin, bir e-ticaret sitesinde sepet i\u00e7eri\u011fini saklamak i\u00e7in <code>sessionStorage<\/code> kullan\u0131labilir.  Kullan\u0131c\u0131 taray\u0131c\u0131y\u0131 kapat\u0131p tekrar a\u00e7t\u0131\u011f\u0131nda, sepet i\u00e7eri\u011fi kaybolur. Bu \u00f6zellik, g\u00fcvenlik a\u00e7\u0131s\u0131ndan avantajl\u0131d\u0131r \u00e7\u00fcnk\u00fc hassas veriler taray\u0131c\u0131 kapat\u0131ld\u0131\u011f\u0131nda otomatik olarak silinir.<\/p>\n<h3>sessionStorage Kullanarak Bir Al\u0131\u015fveri\u015f Sepeti Uygulamas\u0131 Nas\u0131l Geli\u015ftiririm?<\/h3>\n<p>A\u015fa\u011f\u0131daki \u00f6rnekte, <code>sessionStorage<\/code> kullanarak bir al\u0131\u015fveri\u015f sepeti uygulamas\u0131n\u0131n temel i\u015flevlerini nas\u0131l uygulayabilece\u011finizi g\u00f6steriyoruz:<\/p>\n<p><\/code><\/p>\n<pre><code class=\"language-plaintext\">javascript\n\/\/ \u00dcr\u00fcn ekleme fonksiyonu\nfunction addToCart(product) {\n  let cart = JSON.parse(sessionStorage.getItem(&#039;cart&#039;)) || [];\n  cart.push(product);\n  sessionStorage.setItem(&#039;cart&#039;, JSON.stringify(cart));\n}\n\n\/\/ Sepet i\u00e7eri\u011fini g\u00f6r\u00fcnt\u00fcleme fonksiyonu\nfunction displayCart() {\n  let cart = JSON.parse(sessionStorage.getItem(&#039;cart&#039;)) || [];\n  \/\/ Sepet i\u00e7eri\u011fini HTML&#039;e ekleme i\u015flemleri...\n}<\/pre>\n<p><\/code><\/p>\n<h2>IndexedDB: B\u00fcy\u00fck Veri K\u00fcmeleri \u0130\u00e7in G\u00fc\u00e7l\u00fc Bir \u00c7\u00f6z\u00fcm<\/h2>\n<p>Web uygulaman\u0131z\u0131n \u00f6l\u00e7e\u011fi b\u00fcy\u00fcd\u00fck\u00e7e, <code>localStorage<\/code> ve <code>sessionStorage<\/code>&#039;\u0131n kapasite s\u0131n\u0131rlamalar\u0131 yetersiz kalabilir. \u0130\u015fte tam da bu noktada IndexedDB devreye giriyor. IndexedDB, taray\u0131c\u0131 i\u00e7erisinde b\u00fcy\u00fck miktarda yap\u0131land\u0131r\u0131lm\u0131\u015f verileri depolamak ve y\u00f6netmek i\u00e7in g\u00fc\u00e7l\u00fc bir API sunar.  Veritaban\u0131 gibi \u00e7al\u0131\u015f\u0131r ve verileri indeksleyerek h\u0131zl\u0131 arama ve s\u0131ralama imkan\u0131 sa\u011flar.  <code>localStorage<\/code>&#039;\u0131n aksine, IndexedDB \u00f6nemli \u00f6l\u00e7\u00fcde daha fazla veri depolayabilir. Karma\u015f\u0131k sorgular olu\u015fturabilir ve verileri daha verimli bir \u015fekilde y\u00f6netebilirsiniz.<\/p>\n<h3>IndexedDB ile Veri Y\u00f6netmenin Avantajlar\u0131 Nelerdir?<\/h3>\n<p>IndexedDB&#039;nin en \u00f6nemli avantajlar\u0131ndan biri, verileri indeksleme yetene\u011fidir. Bu \u00f6zellik, b\u00fcy\u00fck veri k\u00fcmeleri aras\u0131nda h\u0131zl\u0131 arama ve s\u0131ralama i\u015flemlerini m\u00fcmk\u00fcn k\u0131lar. Ayr\u0131ca, <code>localStorage<\/code>&#039;\u0131n aksine, IndexedDB veri t\u00fcrleri konusunda daha esnektir.  Nesneler, diziler ve di\u011fer karma\u015f\u0131k veri yap\u0131lar\u0131 kolayca saklanabilir ve y\u00f6netilebilir.  Son olarak, IndexedDB&#039;nin asenkron yap\u0131s\u0131, uygulaman\u0131z\u0131n performans\u0131n\u0131 etkilemeden veri i\u015flemlerini arka planda ger\u00e7ekle\u015ftirmenizi sa\u011flar.<\/p>\n<h2>Cookie&#039;ler: Sunucu Taraf\u0131nda Oturum Y\u00f6netimi \u0130\u00e7in<\/h2>\n<p>Cookie&#039;ler, sunucu ve istemci aras\u0131nda oturum bilgilerini ve di\u011fer \u00f6nemli verileri payla\u015fmak i\u00e7in kullan\u0131l\u0131r.  <code>localStorage<\/code>&#039;\u0131n aksine, cookie&#039;ler sunucu taraf\u0131ndan y\u00f6netilir ve istemciye g\u00f6nderilir. Bu, kimlik do\u011frulama, oturum y\u00f6netimi ve ki\u015fiselle\u015ftirme gibi g\u00f6revlerde kritik \u00f6neme sahiptir.  Ancak, cookie&#039;lerin boyutu s\u0131n\u0131rl\u0131d\u0131r ve g\u00fcvenlik a\u00e7\u0131s\u0131ndan dikkatli kullan\u0131lmalar\u0131 gerekir.  Hassas verileri do\u011frudan cookie&#039;lerde saklamaktan ka\u00e7\u0131n\u0131lmal\u0131d\u0131r.<\/p>\n<h3>Cookie&#039;lerin G\u00fcvenlik Riskleri Nelerdir ve Bunlar\u0131 Nas\u0131l Azaltabilirim?<\/h3>\n<p>Cookie&#039;ler, yetkisiz eri\u015fimlere kar\u015f\u0131 hassast\u0131r.  Bu nedenle, g\u00fcvenlik a\u00e7\u0131s\u0131ndan \u00f6nemli hususlara dikkat etmek gerekir.  \u00d6rne\u011fin, <code>HttpOnly<\/code> \u00f6zelli\u011fini kullanarak, cookie&#039;lere JavaScript arac\u0131l\u0131\u011f\u0131yla eri\u015fimi engellemeniz \u00f6nemlidir.  Ayr\u0131ca, <code>Secure<\/code> \u00f6zelli\u011fini kullanarak, cookie&#039;lerin yaln\u0131zca HTTPS ba\u011flant\u0131lar\u0131 \u00fczerinden g\u00f6nderilmesini sa\u011flayabilirsiniz.  Son olarak, cookie&#039;lerin \u00f6mr\u00fcn\u00fc k\u0131sa tutmak ve gereksiz cookie&#039;leri d\u00fczenli olarak silmek g\u00fcvenli\u011fi art\u0131racakt\u0131r.  Daha fazla bilgi i\u00e7in (https:\/\/fatihsoysal.com) inceleyebilirsiniz.<\/p>\n<h2>Web Storage API&#039;sini Anlamak ve Kar\u015f\u0131la\u015ft\u0131rmak: localStorage, sessionStorage ve IndexedDB<\/h2>\n<p>Web Storage API&#039;si, <code>localStorage<\/code>, <code>sessionStorage<\/code> ve IndexedDB gibi farkl\u0131 veri depolama mekanizmalar\u0131 sunar.  Her birinin kendine \u00f6zg\u00fc avantajlar\u0131 ve dezavantajlar\u0131 vard\u0131r.  <code>localStorage<\/code>, k\u00fc\u00e7\u00fck \u00f6l\u00e7ekli, kal\u0131c\u0131 veriler i\u00e7in uygundur. <code>sessionStorage<\/code>, oturum bazl\u0131 ge\u00e7ici veriler i\u00e7in idealdir. IndexedDB ise, b\u00fcy\u00fck miktarda yap\u0131land\u0131r\u0131lm\u0131\u015f verileri y\u00f6netmek i\u00e7in g\u00fc\u00e7l\u00fc bir \u00e7\u00f6z\u00fcmd\u00fcr.  Se\u00e7ilecek mekanizma, uygulaman\u0131n \u00f6zel ihtiya\u00e7lar\u0131na ba\u011fl\u0131d\u0131r.<\/p>\n<table>\n<tr>\n<th>\u00d6zellik<\/th>\n<th>localStorage<\/th>\n<th>sessionStorage<\/th>\n<th>IndexedDB<\/th>\n<\/tr>\n<tr>\n<td>Kapasite<\/td>\n<td>S\u0131n\u0131rl\u0131 (5MB civar\u0131)<\/td>\n<td>S\u0131n\u0131rl\u0131 (5MB civar\u0131)<\/td>\n<td>\u00c7ok b\u00fcy\u00fck<\/td>\n<\/tr>\n<tr>\n<td>Kal\u0131c\u0131l\u0131k<\/td>\n<td>Kal\u0131c\u0131<\/td>\n<td>Oturum bazl\u0131<\/td>\n<td>Kal\u0131c\u0131<\/td>\n<\/tr>\n<tr>\n<td>Veri T\u00fcrleri<\/td>\n<td>String<\/td>\n<td>String<\/td>\n<td>Yap\u0131land\u0131r\u0131lm\u0131\u015f veriler (nesneler, diziler vb.)<\/td>\n<\/tr>\n<tr>\n<td>Eri\u015fim<\/td>\n<td>JavaScript ile do\u011frudan eri\u015fim<\/td>\n<td>JavaScript ile do\u011frudan eri\u015fim<\/td>\n<td>API arac\u0131l\u0131\u011f\u0131yla eri\u015fim<\/td>\n<\/tr>\n<\/table>\n<h2>\u00d6\u011frenme Yol Haritas\u0131<\/h2>\n<h3>Yeni Ba\u015flayanlar \u0130\u00e7in:<\/h3>\n<p>\u00d6ncelikle, temel web depolama mekanizmalar\u0131 olan <code>localStorage<\/code> ve <code>sessionStorage<\/code> ile ba\u015flay\u0131n.  Basit \u00f6rnekler \u00fczerinde pratik yaparak, bu mekanizmalar\u0131n nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 \u00f6\u011frenin.  K\u00fc\u00e7\u00fck \u00f6l\u00e7ekli projelerde bu mekanizmalar\u0131 kullanarak deneyim kazan\u0131n.<\/p>\n<h3>Orta Seviye:<\/h3>\n<p>IndexedDB&#039;nin temel kavramlar\u0131n\u0131 \u00f6\u011frenin.  K\u00fc\u00e7\u00fck bir veri taban\u0131 olu\u015fturarak, verileri nas\u0131l saklayaca\u011f\u0131n\u0131z\u0131, okuyaca\u011f\u0131n\u0131z\u0131 ve g\u00fcncelleyece\u011finizi \u00f6\u011frenin.  Asenkron i\u015flemler konusunda pratik yap\u0131n.<\/p>\n<h3>\u0130leri Seviye:<\/h3>\n<p>IndexedDB&#039;nin geli\u015fmi\u015f \u00f6zelliklerini ke\u015ffedin.  Karma\u015f\u0131k sorgular olu\u015fturun, performans\u0131 optimize edin ve b\u00fcy\u00fck veri k\u00fcmelerini verimli bir \u015fekilde y\u00f6netin.  G\u00fcvenlik hususlar\u0131na dikkat ederek, hassas verileri g\u00fcvenli bir \u015fekilde saklay\u0131n.  Cookie y\u00f6netimi ve g\u00fcvenli\u011fi konusunda uzmanla\u015f\u0131n.  Farkl\u0131 depolama y\u00f6ntemlerini kar\u015f\u0131la\u015ft\u0131rarak, projeniz i\u00e7in en uygun olan\u0131 se\u00e7meyi \u00f6\u011frenin.<\/p>\n<h2>Sonu\u00e7<\/h2>\n<p>Web uygulamalar\u0131nda veri depolama, performans ve g\u00fcvenlik a\u00e7\u0131s\u0131ndan kritik \u00f6neme sahiptir. <code>localStorage<\/code>&#039;\u0131n s\u0131n\u0131rl\u0131 kapasitesi ve g\u00fcvenlik zafiyetleri g\u00f6z \u00f6n\u00fcne al\u0131nd\u0131\u011f\u0131nda, modern web uygulamalar\u0131 i\u00e7in daha g\u00fc\u00e7l\u00fc ve g\u00fcvenli alternatifler tercih edilmelidir. Bu makalede incelenen <code>sessionStorage<\/code>, IndexedDB ve Cookie&#039;ler, farkl\u0131 ihtiya\u00e7lar i\u00e7in uygun \u00e7\u00f6z\u00fcmler sunar.  Uygulaman\u0131z\u0131n \u00f6l\u00e7e\u011fi ve veri gereksinimleri g\u00f6z \u00f6n\u00fcnde bulundurularak do\u011fru veri depolama stratejisi se\u00e7ilmelidir. Daha fazla geli\u015fmi\u015f teknikler ve \u00f6rnekler i\u00e7in (https:\/\/fatihsoysal.com) sitesini ziyaret edebilirsiniz.<\/p>\n<h3>S\u0131k\u00e7a Sorulan Sorular<\/h3>\n<ul>\n<li><b>S: <code>localStorage<\/code>&#039;\u0131 ne zaman kullanmal\u0131y\u0131m?<\/b>  C: K\u00fc\u00e7\u00fck, kal\u0131c\u0131 ve hassas olmayan veriler i\u00e7in. \u00d6rne\u011fin, tema tercihleri veya dil ayarlar\u0131.<\/li>\n<li><b>S: <code>sessionStorage<\/code>&#039;\u0131n <code>localStorage<\/code>&#039;dan fark\u0131 nedir?<\/b> C: <code>sessionStorage<\/code>&#039;da depolanan veriler, taray\u0131c\u0131 oturumu sona erdi\u011finde silinir.<\/li>\n<li><b>S: IndexedDB&#039;yi ne zaman kullanmal\u0131y\u0131m?<\/b> C: B\u00fcy\u00fck ve yap\u0131land\u0131r\u0131lm\u0131\u015f veriler i\u00e7in. \u00d6rne\u011fin, \u00e7evrimd\u0131\u015f\u0131 \u00e7al\u0131\u015fan bir uygulamada.<\/li>\n<li><b>S: Cookie&#039;ler ne ama\u00e7la kullan\u0131l\u0131r?<\/b> C: Sunucu taraf\u0131nda oturum y\u00f6netimi ve ki\u015fiselle\u015ftirme i\u00e7in.<\/li>\n<li><b>S: Veri g\u00fcvenli\u011fini nas\u0131l sa\u011flayabilirim?<\/b> C: <code>HttpOnly<\/code> ve <code>Secure<\/code> attribute&#039;lar\u0131n\u0131 kullan\u0131n, cookie&#039;lerin \u00f6mr\u00fcn\u00fc k\u0131salt\u0131n ve gereksiz cookie&#039;leri silin.  Hassas verileri \u015fifreleyin.<\/li>\n<\/ul>\n<p>Yazar: Fatih Soysal<\/p>\n<p><\/code><\/p>\n","protected":false},"excerpt":{"rendered":"localStorage&#039;\u0131 Unutun: Veri Depolamada Modern Yakla\u015f\u0131mlar Web uygulamalar\u0131n\u0131z\u0131n performans\u0131n\u0131 ve g\u00fcvenli\u011fini art\u0131rmak i\u00e7in do\u011fru veri depolama stratejisi se\u00e7mek&hellip;","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-30226","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.5 (Yoast SEO v25.3.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>localStorage&#039;\u0131 Unutun: Veri Depolamada Modern Yakla\u015f\u0131mlar<\/title>\n<meta name=\"description\" content=\"Web uygulamalar\u0131n\u0131z\u0131n performans\u0131n\u0131 ve g\u00fcvenli\u011fini art\u0131rmak i\u00e7in do\u011fru veri depolama stratejisi se\u00e7mek kritik \u00f6neme sahiptir. `localStorage`&#039;\u0131n s\u0131n\u0131rl\u0131 kapasitesi ve g\u00fcvenlik zafiyetleri, bir\u00e7ok geli\u015ftirici i\u00e7in ba\u015f a\u011fr\u0131s\u0131 yaratmaktad\u0131r. Bu makalede, `localStorage`&#039;\u0131n \u00f6tesinde, modern web uygulamalar\u0131 i\u00e7in daha g\u00fcvenli ve verimli veri depolama y\u00f6ntemlerini ke\u015ffedece\u011fiz. 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