It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://blog-454711083625.mit-edu.top/post/1068374592

  1. <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-454711083625.mit-edu.top",cType: 'managed',cRay: '91079ed81bbed6db',cH: 'Am6mC4rCzNICIA8O7Czp3rV8TgRHpNoJeYsrUu9MHTM-1739311317-1.2.1.1-1h9ecsyUE_.jythHKDDqsZNi_SWZCkfp0vM97_4Hvajq.1Msjt76RAxIGlIu5vF4',cUPMDTk: "\/post\/1068374592?__cf_chl_tk=GCXQoBN0mJfLoiVrI.PT5uc.AaG1PQ3zm1RSJ4Ii4nY-1739311317-1.0.1.1-XQ.hZIOSQFHSH4U7QZtavNYjetsnoidc5OiZJEWEw8k",cFPWv: 'g',cITimeS: '1739311317',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1068374592?__cf_chl_f_tk=GCXQoBN0mJfLoiVrI.PT5uc.AaG1PQ3zm1RSJ4Ii4nY-1739311317-1.0.1.1-XQ.hZIOSQFHSH4U7QZtavNYjetsnoidc5OiZJEWEw8k",md: "fUJrkBZiicpHFu6ZbuLDsYp4Ijhq1SLleCDg.mFMwhY-1739311317-1.2.1.1-KFaTU3nI_IhBlP7mrxsjkqFRPuTEFjuSrODhAhIuPycdOgciFQvKOqJokPX_Oj_LPDX6HSPs7iMlNCmwhljxIVc5xKsmS_CW6w4HYvw_gV9gUEGIl0bIj__xpFuPI2nuzmb5oGaHZF52EeFu4wwIZpk2ODM3WF.5gD57gwJMqwKSaIwuglFlPrPBBxpejU8DY_m43PxpcoPv0voj.EdtRSaMfN64Aad6k858y4P9.7uSTGL11G512v5FbDgkzMF2zplWwOwmbN0myBZW.fn8ZiBpQtTmZg26z3RWk0IUWzdsBW.QdWlR8DVlt0JAEL9AkKyKOZ9XSfLwXoI7IvVBdSm32xXKRTjjsZBcaYQgWBZEKV2cVlMVN.AuFVUEHFgaeb0X2r9Y.F1bTglaOQxukhq3qq3YmTo.7ibTDyahRvX5.7yI4nPDaMCvUtxo4OyO7_Z4EewW1QfHx7BijVaWjc7hxucYd26jAkDXpzTJUb5kepdTbNd6s3lvaqRsxJmFuZ5P2WWebVSdoyG4XX7CytQuEMMAba2aYtJa9YfCahf8uKWgMouSNy3.RgpfIevZljcGIRMha.BmyTf_TmtF2.5MjM90w40nZcwQzGk39jz1ayJaGV6gtvMFBXipFr8Tq3bKODWVQQPEvbSne2DhAXbOZTxb2U2SMKbSn89hfof5VdVh5Hp8AJs7c2vEwJ0vyuEXfYD0IwIBb3yQeRVjdFQ93Q3dq20kPNdjwBUO63hsUkh.h_PRJpN5WP99X7._bUXgJRokaITDB.nZO7Go8ALn6TNHMMk_vkSbMCMTwzoxoQbdnAo1uFWAOIzI_ICKkIDAR8lXsbDSm_HtycunAJhi3EcJcX6bvFaKa3NuILS.2kEi59FZKyyI82bfAfUOAZybcVz09twqEJp81U5lAi87wykrBHjH2h.G_C9lgPfXD51kuybte2mH5nAGbbARZE9t2PomN6tOpN0CLvnC9g8LRzpDwGeUDTAlo6R5g5j5EX7M4yOkZXHcp3OV1VKCufQIxtvt8K5ZHHkXzhRVgr__DQflyRnJt5Ltq9vKONIV7ls145yesseygJI_wLPQ0T3KIuNCxjI4cimh0XQO5Rl4FwVBETGbSfG9vIjo17Gh52eOK2Ybr.w_sj6RAtqK2qJvNR1fl7sWH2JIksws.GGHljMiiGiOnA.8gs5ZPT3HUbTZ7sKcX5E4lD8_pDGIbkSa_KhFMHgdYpUNlnpWydl.aMhD0brflnBDLiodKhAbblcC8wCErBCGNdfwAy75QbpgWYzOzxyDGjcVejrD2FWgOAd_HfdIW6jVF6w9EhK28WYszP9Im1TXfnoHaRScDnMGlWsvoKHlhOG7lMvkaOGeW.iPh8RsuSTgaXKKCLlgjmLqQYZFGnL4gUOGWvvHWfEfcyQZ3ewXp_xvbdp07_Qp.trmHqSeshPI8UDusBGzvQauG21CjvpqEf8O6elyDwltR4qUehFwo1rXtifCopjk.EBSvU3MJmGkxu4CCAB9A7Ubb0dSxDOmsJVxFcG3PiC8Imft6EuYg8RY.q1xg7Rf9r8IJm5i6NdmEmlgSvWQF6.x8wZ09ZSypsEG07HLwY3uewOBbULgZj6b.45zWTvkh0jkymSLqkDUoDBD1FiGLrPS3inYDl5WI9GYd3YjVa87u6dRXkRvp5awatBNmRl7kQd29kEuFBGTOG4ga9lIpBnujxCwJ02TK_XDX5sULDR_M5ENG4D1s8iIV0t1M7jyUPOBw4HtNMUDSrkfqPeq8krc6UbUBpMbbM99n2eTiB8OQC96olKBwcjNXQ52kFGLrS2rb9EGQiw0PdicrkZsOZ8r9RMgDU98tNCCPr2Lf9h8xucEpqJPnuCzlC.K15fCgO6gQuiR9wHTmEuxkRr8Mi5jB14HFGl4ld9GNwqhS1Uv5JEDBPMfjnmkwbDxKEkUxVhWIPTYUmnLEu3WwnHvCJOsve96NTVY_Zopf_d4viExMFBt5DfcX41t290QmUVBP5bzBgdqGtgr_JLDLeWF3FyK_2Ke3X619bjnIaPzzrZ3Uz3pHDhr8oA_c1idk6Al8f77lahCFYt164eXPkLlpWqj17Invtl95OxBrQPcxAAWTacdQ6UsGcHqFBD1YDpA7RUmAU2NegS200VUEMuyffxoEoA.Pahm08d5dZlt5TEFjkw2G6.t6__wkLUbRhBGawPqcfVY8K7OABq5cncHYdRW7CX1zbwQ7qomjmFg",mdrd: "qJbdRLANAnbD.F03sUwhP7nfJ6.QepLqTeDenqOMIbk-1739311317-1.2.1.1-CFNTM3o_FbGhZ5tPcWhrfDQfkjcAMsqP95IxYCCq9AWvgT3L.7j.9hF2IMw6isxH.3QSZtoArMkd3UJ4btsFjQ6qFUJmD4IdYK7uZo1zLDauhw8yZxrTukWPSmCfemhGudemE32EJ49Z4mK_bFblZ0bb0wyCgQHd3GEyEuHBi3jAMN62SZo33SSiDAiXnSEd8t9InyHzdXfzIblF3FOuZMZ.1HTnSSyCSb9hqVzk.SI2V4u0U2cMosCb3NwZbTcAfBCeQh.ZfJxluLrUKNGKfAiPJjpWKElq_C1ef6tvLdPDoqgd7tCkFBo3LZurfzCT3vatLUbw46KzzYOJowicYfKyjYKoUYIJbLGGseO8fNpBGFge6L9HfkFEEl_1F6IXERAFBVqUW7yNyCI8jpjKyfWwbalhsAaLmqVDA23tbqAPLZdIaPVwWXhUDng7q8sKOblKWqiJlBCXm3A1fRW0olhtmqzzldrDGYEpEzB7_jEzeH4HD1oavHf8QUD_RwCvDx7g_EgXRkc8IPX_3wMm1GPVP55jr1nn20Ik6APFZmGVTOp0opzIiwahVuJwEHVSHsIGmIjXEsKpSGJcH5hajpTdmMnZMft0JssvurLEz7ZFmYhz8Q19df9St3CAsj6q.KHvnh7jM0Ni1gCbGoCREfSeJYAPmwZw3CdTcd4GIkSe6_CXLVK92dAe0QkwgaxHlAqy6W67QVX9oC_nRprVvJMpdOB2ikXJ_j5LIIe.ezQ32DD5qLQgeSL2ifFL8Of1Ln8ig9Bp8vK.RIiDp23X029XkKrVKZanY77qfMlfUc4lncqlpQSdvCZhABKvNWz1OkBH41S4TrAqI_vS718fPd.lSX4msBkVUK63ayRu72vippMIK02BOBF82hf5QZ4XZZK0dCE_womBVSr4rsMW9AHMlqrdhyAu_8qpIkPNV3Nr7zkhDb2pjGTdsluG84r7aj4AbCYg825d4CQDQY9zoeuiYKhBpRxd1WWN29sMAax1.V3YxgDtBO6yWB4jGK_mLsmi8_MFjAoDgYeJUoKwnCm93DBuI.yoFVkxccwqFRC0cON1L54sRnLsEmlTde3e_u0yF1mH7xJKgJEcmwXAy57d4I98RqmBEmmWRtRSdhhRWD9WXNvLKk67Vbi0uKrQ9AN5uMA0CU4sTodjSiwku8_luzMq.zzsd_5jsRskzn21FTrfg5GRY7J8L8WE8oxbOugITXkYxhJjWJcGU2_eKZohtTYOFi.mBYCW4xD7.9kqAnrkKLRD0yTznnY.Rv2LN4aHcl0H2TNh49FzGaLb4SIKWHzhq2gLrGR4Bl2h6trEbSdLrKAN2bgtZwQ2.v66O541aTHN4z6d0DYmwOu9k3ejLmJDPUjcYaanyWfa0jzB_Bfwy9CJBylxHuthyUKAypEJmDDrlKrWWi9WqGG1gVdf1zKDmBCWoPeYiTEmmOXZdzNY0cJrfuY3dQXA2Q1RLZ2P.GfGRUCz6hgnYYWWeEQXag.6sH7.acRtBSAR9xNYyAGT5fZBiAQ.XitmiN6SU1zvy8YBYigAjD85_1N176Mp_I9ktBa1SwkiFb_sVnJ5UwRwgE7PjZ9peGpAsXAUFZjRTDFWCj9PKreLvXETi_PnLLFzgPJFtZjw.sTY5Xcre2Tt.yHUNGaUB8irwAk7Rs_7nc5odEBnYsucHP_HyI7SbkC9xSe5LmzsspvLpalBuW289Y.vh7J0PioSNI4t2aFAeuJKjcoho7Po1NHiqPXE.n0cdIgGRjxNNjSDplL46r5C6AjQJixYg4aZ859u0P4oQGVzmREun8GCz1k0HS.w0Zqrpi8J5tGKg.yr3RU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91079ed81bbed6db';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/1068374592?__cf_chl_rt_tk=GCXQoBN0mJfLoiVrI.PT5uc.AaG1PQ3zm1RSJ4Ii4nY-1739311317-1.0.1.1-XQ.hZIOSQFHSH4U7QZtavNYjetsnoidc5OiZJEWEw8k" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda