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toptal.com
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editor@toptal.com
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Wed, Nov 23, 2022 09:13 AM
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React memoization provides render component caching to reduce unnecessary component computation and
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React memoization provides render component caching to reduce unnecessary component computation and improve application performance. [Toptal Engineering Blog](113/ckPbs04/VVw1TF2jFzYpW4kVg288ZC7gjW8cYYgJ4SKg-PN2v9B2S3q90JV1-WJV7CgBf0N74WnrtzXkXTVNg0w95tfBX5W5Rwlgk4VgHgTW77h7m22VfCHCN5d8K9ryByFTW4V-ZQj6bK17wN2V-gvmvY1YtW7lDKSH8wTfkmW8D-S1R3DNkCZN6Wwc8dT7PcWW1-ty0n14VHFGW2KHFvk2WR4MYW8H6z_k7_pHb2N3Sn2nK2L1vNW89LqZF7W867HW3GGRs26vdm68W8dqywd6Vrm9MW8Qzk-D3qzMqZW6pcVwR70FF79W3HccWh3gs-JqW4Gy2jv8Jn93VW7MQrGd2DcrP2W3k4Xgl89Jb-zN9hL9_51Nc2QW8zv60z1cMyHlW3w1Z942bLY5mW86HlLG4m810wW4w9VjK5VF1BG3gX71) [Heavy Computation Made Lighter: React Memoization](113/ckPbs04/VVw1TF2jFzYpW4kVg288ZC7gjW8cYYgJ4SKg-PN2v9B2S3q90JV1-WJV7CgNpsW4z2djS3S_F9DW4DFmXl2ndWt-N4Mf6xPbv5T2W2rWz4t2T3Hb-VkY2FK18v0r-N5PvLB0NqR66N3LY0-8s9PyRN9hQwhf6_wHVVYl6Td6JhfdNVYwM1L8B7959VKgZN3289DrbW5kTTr45CKK3WW8Vt_9h3FbLBRW8gnSY133y700W8JD9QD8KWS_hW3Km2gc9kbTzmW1y5n9w92HLDpW1flG623CRHWwN6MBMRYkJjXtW3q2vwB1Zhpn7N6yhDm6PXsWlVGkjqL10wmSwW8KC7fx6v2_ZpW3DfsYH2TLWkPW709QNj26T0j7W3HFDjg5nmqc4W787mtt9h7q7rW6xqtVY8bglYj3bGg1) [pasted_image_0-ac91970b539d586d6fa01ec6ce371da8](113/ckPbs04/VVw1TF2jFzYpW4kVg288ZC7gjW8cYYgJ4SKg-PN2v9B2S3q90JV1-WJV7CgXl5Vl_hZy4wgdvBW1SCDdj6ZH1jCW2_Y1QX8lFBL7W77XKHT84HSPRW5TNDbs1HqCk2VHSxQq1Jy27cW3LC48B8DSRLNW1RxxtJ6bNn4qV_KF0K5bwlH8W7ZpKHH82SlnZW418Vlz4sZhwXW1HYKM46yqGq6VsRPwT7btsfLW6mbJ2-4vytxCVfrJX04Wj2YjW6m-Bw_2pRgHJW10BpcL1yFnRcW8g6YbT1PSgvjW34ZGCV132hSMW5hTmQF7B_mHBW5TckzD7HQCSyW5bfVrH35sKHxW5blmsH8RPWzLW660dcs2LDcxWW4tKzDX71ZgT6W6rdJgF7HjcZFW4q-7qT3cD48NW8dPYtC4V4bKy3lcQ1) A one-second delay in load time can result in a 26% drop in conversion rates. React memoization is the key to a faster client experienceâat the slight expense of using more memory. Developers can apply three types of memoization hooks to their code, depending on which portions of their applications they wish to optimize. Here, Toptal React expert Prateek Karki examines memoization, these React hook types, and when to use them. [Continue Reading](113/ckPbs04/VVw1TF2jFzYpW4kVg288ZC7gjW8cYYgJ4SKg-PN2v9B2S3q90JV1-WJV7CgHDsN8HzZFzqYcDQW1sQ90j998PdSW5ygKcM4DFvHzVQVJ5d190_YRW1-bshc4QK32PW53D0wg9cFv73W16lGhl1hNVWNW28kFTw4G2Gz1W42xChL7qLtDJW81-kJT94F7qSW1dWQ1q7f5BryW5Rc7Xl2D2nw2V7gSj16kjn_vN1gDVK_STc8jW90gvt_81vR3qW62KXH976f9SPW4tmkCZ63wG5LW70GdKw1YsFQNW29Rqw-4pwmd2W325ln63xfJlWW28dBWc6kwRs0W1PSPJB1QxXtpW2byNtz7j7vpzW5nNDdg3t0522W6_clNN5v321pW8Tw6qH6Qlh1kW5QPHqq7xwsWsW4ZQDfk3Bp7Pl38FY1) About the Author [prateek-karki](113/ckPbs04/VVw1TF2jFzYpW4kVg288ZC7gjW8cYYgJ4SKg-PN2v9B2S3q90JV1-WJV7CgZk-W2qP_F61kzHVwVr7nqy4gT_3yW2YKV3T62kY60W4b0xP34hlx9pW1bP40637LC7sW80tByp7tRJJpW98H6Tj10P7lGW2-yRrX4hPGVrW5glSp24YlRwrW75htR66-hlxcW94N3R058B7HsW6XbGCg98ns4rMYv8_3l1SQhN6JL8FpzMTnBN6VxZX4ZmTv8W9bP9qk5KRqrpW4Chgjl3WJcrfVDHkJZ2p6hkqW4Pn__r8ztFR0W6GFMPC4bpcHNW2NRvrF8vdCPDW1H71r08rc3RgW1Xm__M4tKBJ3W1brrZH4x55JfVFrBNR70L1BzW2LDl8h9c5-WDN3ZjT6B-cf6FW3sMqsG33kQHz32fl1) [Prateek Karki](113/ckPbs04/VVw1TF2jFzYpW4kVg288ZC7gjW8cYYgJ4SKg-PN2v9B2S3q90JV1-WJV7CgW-4MBzqxn6YHwvW5Gl3Z-5jV9r3W34NG6K4Q6x6mW8Bf1qz5gZYGQW4tCRr08gNpTwW1KKc1D8zLnJdW21Qdx398xwdJDWLyXmtRDJW3Dq-rM1MQGc7W5kDwVs7VZyYTW7vQb6t7H1cjKVPSpZT1pMsv3MZmyC7p4JpxW4W-7ZS1C0LCqW2Sg7qG3v7XVXW3f1Y6f4y-j96N3QQM0P8n-bMW3xfq8X7dc4LMW8dxrxg7TKtYsW9jGL5y192FC5N2VGm0vMl-Y7W4KjK_c3mXX9XW5LB97w7y1bBtW1_ttJT2KwY40W6q4ZV-6J03ZqVxw7xz7pyfDqW87fgPZ2qM18MW3L664p864rt63fBW1) Senior React Engineer Prateek is a React developer with more than seven years of experience in web development. An expert in delivering top-tier user experience through the union of engineering and design, he has worked on enterprise-scale solutions in diverse industries for companies including Fresh Tracks Canada and Open Learning Exchange. [Hire Prateek](113/ckPbs04/VVw1TF2jFzYpW4kVg288ZC7gjW8cYYgJ4SKg-PN2v9B2S3q90JV1-WJV7CgDJsV9HrQs3s2jLRW3btZn73vDD-2W1ZxBpY78pcCzW3XmDSK4n15rVW3rtd9y1NSZlJVsG_sC4Ch6D1W2pVTgV9cz6_VN7wkyQW41gqnN7bKrB7Mlp0XW3vFgrJ1XqB_rW5y3lVM4rz9RXW1xzxDL8ZX3QxW2hjF0x1bYKMxVQn0L_7pDw5sVLP-9n3n_sPNVjmKy-3C3PnfW2XSFPs7KV9qMW7Xpmd93b2_cpW91rCPS64qGZdW1mknTG8-ZZjhW934QVF3GQ8Y-V4xNc18L0rt9W3rJW2988T20dMrdRhCMTqyGW3XHwyK6Z6jxsW7YVxDc2bgXZyN2LTws9crbd_W529j7X80Yp4X34FD1) Other Recommended Articles - [React Router Tutorial: Redirect Like a Pro](113/ckPbs04/VVw1TF2jFzYpW4kVg288ZC7gjW8cYYgJ4SKg-PN2v9B2S3q90JV1-WJV7CgM2nW5lMd4p3DNbj_W94d0K9726T0KW81QLTq4B2204W4n__x43spS4-W3YTb7S8-LCWJW9g6gbS1l9JWPN3f8Q_-HprWSN3pN-kvpWDt-VCKxV723S3x8W1BVj-X7j_KSgW9b9x9662Lb_1W31DcZs8lDz_WW7jTF6F3rVGMtW6Px9L72mrNmGVj5QfN7M1bv5W2fGYt525WyNkW7ntrC58WczxHW57CCMH1mJdJPW1y28Y-97-tTJW6vv8_F930f26W6ww0-S36x31xW2hLYdB6y2QSYW7kxS9r4W9zKTW4kPvhr8Xpj8wW7flRY982FJBrW7C8Fws4cjpsWW50R73q51p0JSV2cT7s4brWtz3mSr1) - [Navigating the React.js Ecosystem](113/ckPbs04/VVw1TF2jFzYpW4kVg288ZC7gjW8cYYgJ4SKg-PN2v9B373q90_V1-WJV7CgGLkW8dGf351knq7bW46qpC61M8FF4VPjxlF2c2BBKW6TFGVF15rbx7W6WgSqK7QlWPVW6zqzF38-HrtcN6R_d7vR-qlgN8T_mb3jDDd2V8gkmb1HsStnVZzdsy89VJtFN32tz0zP9Y0wW5Z0RcN4pvw_rW6hhYZM7CWkB0W22kyZz8D04-vW8Znvvw7B6_K0W5tR9lm65hjq-W8Hrsb_8R69MfVKk2lr7zTf0rW75R_1L258-xFW767WB_1RJnLCW3zmg5l5ZppT2W5dj1586M7XbNW1JkR8J4vtZzkW7V85sW7hKPBYW56wFfS2Lpx48W44jmPQ97v7cXW5L-zmX4MP5_pW8MKw0D1fLGB-W8tN-xv15jWBtW5-w2MD45fCF73kGy1) - [Efficient React Components: A Guide to Optimizing React Performance](113/ckPbs04/VVw1TF2jFzYpW4kVg288ZC7gjW8cYYgJ4SKg-PN2v9B373q90_V1-WJV7CgQ9NVgqvVF4sskYpW6_7BY_40FXd9W1sNJT78wQq8RVjm9Jm5CdmYPW9khWKX4pRM0PW8qNYqq4R5rXjW1QpBSY1_2qXBW4XCXng6ZVgxjW2XMj1M273g6bW92L0D72Np5qnVjD0wr7d6HYgN55M-Mq51W1MW923fK55FCnX3W83cTY92vxDXkW2-M50Q13QpJvW7t9vRt2JdkT1W8SBCKc62Z78dW42Yrmd8t419lW1CKR617QkvyHN2MZYkNjdNJwW317YTm7TBf62VvP8TM8G1vnYW2cV3v58rH9PsVX254B5NZ7JRN1Djg6-1VX97W8sN4F-1svT51W3CggRm7zBpfFW6lxZnQ9k1Ps4W4Dd3k354Gpf5W31gxz78gP_DH3bFG1) - [React Tutorial: How It Compares to Angular and Vue](113/ckPbs04/VVw1TF2jFzYpW4kVg288ZC7gjW8cYYgJ4SKg-PN2v9B2S3q90JV1-WJV7CgYkSW5DX-l46YN0F6N1hghhLNqQxWN6MXrrRRMfWpW1bRls43RTcfMW5N2Qqw14lLLnW2NZfHq72t_sjW8YxZtJ6vhH0cW1_MKxD6VkLnjW1tKVss7dF6gtW64R6Rg93nwbbW6JpZkL8M96gDW5wwWm46lv2pxW6SXLkL8xtQnLW7rrZW46b_wd7W5FxkpY5tHWqgVSPQdp4kcv-wW8K0Bx59160bSW1CFrjs6hghXKVswk2y6tMF0qW49VMLd5KKTl1W1RpWcH61RvlPW7Plb0Y59Dj6LW5_gyhb3VmW06W2fLPlj1yBd4kW7rxf3h4wrGGLW3MYQGv8Q3ydMW5mnRzd98T31gW6lzC6H9bpMk43kh01) - [React Tutorial: Components, Hooks, and Performance](113/ckPbs04/VVw1TF2jFzYpW4kVg288ZC7gjW8cYYgJ4SKg-PN2v9B2S3q90JV1-WJV7CgQ5kW8Vzf0b8YZGJwN21JHWNNprTDW4cwfVK7Nt8Q1W71VcM37qJwK2W72HV3z2hZrncW2fBw2x5FlgLhW8wpsvs34V-DWVVmPSv7rR2fqW11sG3_393WYLVPzFt62FzZkcW64gwTR8m6T7LW15LP5H4shggrVP2WjY76PqcXV8yC2T8F-mWVVq-KJ85Hy9SvW5vLMK58jDC1CW1Ph-NM32STl7W8KLk8m9f5hZWW21rWvC62g3bCN3Jf-jl1TL8JMHfs1mLs42xW1pTLJ91z6WsNVBs1WD7Vn8xkW3zKhwx8NGcFyVBMrrQ8mn-cXW1HHS2j7JyyHJF1R5x-yWMVGW4yZ5l77Z9v1337xn1) FOLLOW US: [Facebook](113/ckPbs04/VVw1TF2jFzYpW4kVg288ZC7gjW8cYYgJ4SKg-PN2v9B2y3q90pV1-WJV7CgW26N4X5ZWclBC6yW9471dw8MfBGFW1ZY6713qH_v5W8rykhK2k38mjW7MYd8K3zy6kNW7wBCqk3Q20R0W1bSW5J7NvkMbW82--3P90S5_nW7-WWRC1c23ZcN2Xx-hHRx0m8W49PkzY9c8x1XW1xDchj6s3XXsW6rQHSl59Mm_WW5Bd6k_8QKK__W1Vh9Gm8QbhSvW7V6f1W63JKSTN6WWYWPRf13-W8cFwKH2vjPkVW7GFY158_4l1kW4B_HgK65l1YFN5WHlxFwHL5-W17sJGM2C71FbW5PNbYB1MdYFrW1Zd37M9b9Fh7N1ZX_xCV28myN3dmLC3QstWX393H1)
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