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-261782941661.mit-edu.top/post/2039518467

  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-261782941661.mit-edu.top",cType: 'managed',cRay: '90f6bc7a583ff270',cH: 'qFjwHsfpKnv507Izs.lIc4Adr3zBNUyU2CEiBk7Dd8M-1739134273-1.2.1.1-sQad6HHVc1umnDx6ZFNPutNbYrTw_lrcB5RqQRML_W1uvwl9AKI46w0K8gz1F7lJ',cUPMDTk: "\/post\/2039518467?__cf_chl_tk=8yySvJCdBL7LH2DdvbjUQlG2Oa2V_tMTXWWeBnxwGZ4-1739134273-1.0.1.1-rqV9EJ1WbpORYlbnpt9bMf_WJZC8gmYWgJKAw9fyfbw",cFPWv: 'g',cITimeS: '1739134273',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2039518467?__cf_chl_f_tk=8yySvJCdBL7LH2DdvbjUQlG2Oa2V_tMTXWWeBnxwGZ4-1739134273-1.0.1.1-rqV9EJ1WbpORYlbnpt9bMf_WJZC8gmYWgJKAw9fyfbw",md: "iqa5BOeYwnHEKlFzk0uINrz9HSMS.3nWhqRc7SNJEak-1739134273-1.2.1.1-Ni0RZF_HuFVMAm0VMF9GDP2APBTPgwi47GRJYg3U7k.CokLColPr8nsZWzr7cHmBXxRObNaOf2GvGeYdwTsyp_UQGCwHAN21hR9HEJSOelC6khnV3w6h7tjN91M3.92.Ux.GX6QrRkbrXiNZ1ZQTRLoNpXtuDO1KqOdekJXxWTGWBpGoSUMxoRN6vpF.3h3z8F12mCnZVniyz4TwfhbhrEmK3hRLtMmBTVzMRysdnVQiCBMCgWu6WmhPeyK2wabn8Y1juZ5LkdH2XSB.C7qppGCbeXhj3McvyKsVgGdK6eWaiI3S_LbgvmH5v.vFKsL6DXZQZZ9ThHDvyxcITw76B5Z6WYEdUJA4bTeiPhJi1Q3b9UY8CJvL4bnRIuSU_oXish0lv4c5WCNTPN.lWal0sYa6KB0Dm.MG30mx5kXCJvwc40CzsYHuNAVLIpHOaTwvx4tKyReUOsW_o_qBTDy9pJmQ_a_iWh0lopLolBRkBnX7fhk9YxIdGpVHKOjoSkH9b9vmvE1nhwtdFo__WfGQBe3JVHDPOEifjaaghOhWnP4tG3vweNFnaizkgKcLx3ciL17rgTQ.DNMv46PuZ1xglCDWd541tKZFVWgrv6EG8LDpf592cVaqlJ2alLazxXA0ppqOmsvUbO2eqk6P4s21Rf39Su7iSQuUS2w9sM2Sj.IOR18vHkLBFf0roCu0Mr9WqCAjwY7eeRV0SauB9AL1QDXrTeiUIX_iKVjEk9OspgSBRvOFwSzRY9rWCI8jdOyjzLKm9A5_m6lskL3ASrrhAzeUX3HiSQjjVvggd.sXGN8U1ubMYw1YqI58kZj2WAjFmFnFxkUe6P2Pur8CTbvBFJhfuYdtDdQFJoWqYaxc4EeGYjeLhp_SriSGEWmih5OVyKGMhZWEiMj8RKX_.dP7Omw1L0L_XKMywWtdbGJ3HiLObJ_XE7wVdCFj7ky1NE5kDtFJkvuswSrD7rU7U55QnRPElJDXG8AliVT6g62d23UTmU8POBTL8doEojPAVmnYT3iOvg9Td3ybS6E2A6sue_7RUI9d8ThXGAiEi4U.GJ2dk9Qi7HQAkbphpFNhu1P8DW00GrRKUBplNrtq1QSIfepe8kehtZwtFC4rrz3wi2drBeAd9Pmd0k7zy4SWcD9m5.DEygxQ6iHihzuiWYTMRwzdeuMBFxx2OOLukuqNmAcis8wDSmEpsNzJtRNbtoms5N0S6nanAzSjhlgPW2aiinJzqsa7fZB_LHcyMmBctw1GyN0EiZTGjK1xqrvl2K1MDG1sEbgSBJUoGJ3djgmrFuvCEw54VznJRtfZ1OJFI0Ftz7wUMgpzhavr8YPQi9tQ5_B4maJe4859NDmRAWkJceDugyFgZ8a37tJERg0RjmXAAq4LguBM_QRUzDUM_BV446TBYXfsqeOPTwD9udF7rSYtP7R5FxkRMtn0tkYA.j_j5BtqqURMdEVWtvTHjbIZRFcNl5j0pS88rNiJln6n2WYNuwcVa37p0pyFQs4ORL0fkz3nfLLS9rurKpQGdvMzTAx5wsS2U0314IpadDf8vMrpgQ7RQeg4QXHwMB8uZ1Mg53PwHzrya_1tAUjDJU00otKr3NC5I1jlW4hMM5r_gMz.QK0ncO6IyhZmLnBEBXHOqLvT4jmz4TEHEty9YxzAnJVTZ7cKoGfCiupIhXTgNU994HlSLogoC13YA_rT4rnTLaLzqK022L69hOkMGSvMIHpuMkzf8e96fK2hCrG4gc7LCpDlRQdqwLkJop.bCnDc0zvMCIPTPQYFz58EWveRmcKOAoPLRbqco1w095VV6X2xnbxYafcw5ZbYDVXSQ.H2bEiboTLnYw6h6bPUqkORT8Gv_epoLFryMOzakfEHVlOWMNwGCvZScUFgybWWWO5NyLVY9goX5jidzfqr7Qu.2d7PtNeMc1gXOoaMbFm97eCffap0ENBPDcT.SDh9rZ7LZZISSmPQN8uFe4R9VzkFstal_hj_lWRagvxdHV15NU8VRdlua6u9zC7yHvTrqNvT9JdWwKXoUGGRdqvK3X5WdRC.b7tY3Sxc6GUTl0KQAHZ1EUJQ.XoO.G7cRCv0huIvr9aE8Ac_sa.ulESFvqpz3fddbqBbFb88j7HeOzVYn3U5t7rPANv7mKETViHmaSl7BVEDgJFKBDu1sErU9SPI_Q8Jnlfxs.s5N3Cg7UNGwKs97TwYfgD9CblkeEMtkg.ojzuMAaY_q2iAHK7ZCpGY",mdrd: "MGdt2_YhGW9POvsSH1.pQmric6GPBCacDd40M83Cl1o-1739134273-1.2.1.1-H.20w291ZXHX6UjVBlC63gmc61moG68TxQgqGiEKK.jPjNZ62_VyulAoq.y8CGwW_TVEszPxZZIXY2vv_8Zwtp7bjnnhRBl8dmP4QsV8xGR7jsLYAM2jctF0wh4H8vgQ_KU1wz3KFMkS_IafpyocW5oMMl8OssZvewsmrOxEi.ke0TdUNQ32_j_ht55eHsI8JbU7EwSssGZ3TxlSn4qT23.voCVjT1zdF2PpGkeCgxVeDSrau4iiK2e8VC.zJJcfAT3AmKZAbumMrp6DB6LyBoP7tTsQ3OeHGGziZ3ZcRFufpo4V4w3h9s6y9pg8gkP0.sNY5Ct_BTxwuRQ.q87ZWFrQjWS7GfKxpO6lIcgq40HiWH0AqbgG2.jlYxXRnpW69cyYmIgReFR7ZWPO8y1sOKpyWPXxy89HAyf6rRwzxfnyK6dJV2zm1N6f3mkGv52DHKKR2r13yptvZQ8YRVgtcOpUcMj5GjfgdoWTGrsUGZhV11O1xcGlx3dFZfYGK28DxGKQivO7Q24mL2DAXR4UIEEWEj3Ro5etak5wOoGZZN2woi4Y.UMwUk_ctNTZqMYk6X1noGLUhhSA29i2dyuwh2MoJjdqxvDaPVJLXw5yRM20QNaKbHZSbgUYnkE10l5r0kQng_96PmIQ3xmelLQ_ZUF_loxvlFmQ0OQb70mzlvalVanJEW_2zCgzBWQGduIVsXF.JmRRwet12WJq_qWsYQUD0IasS3Hn80BwRwuLGAJ59XwHmchgl_D9ERh9G5NdiPoXzShKq7V9ST9B.hNGB_4h6WMN_pMA3Krgm7AgSgj.5BoUTvVCttmMJmFEDbb9nFyF1tNJKxPf9mcijai0bQkmNsKBOpZiii0Wm6rZ4ptaP3IEJW.FTEM1XgnZj8zMbDdDmYnRckH.kmo1S3hYdf.lgzUU1Zd7eMNp.qnsykDuRUO2BeL95BNx9v_k.bQEJZhwklWntV24NvT9i4.aAWlWZQwXmY6UMTM1ulNRVvzV9ZGwq28vCSxa_HrlmcMgbOwt8l.EivNijBra80SF2iY1Uu3ooAvtoB3Wv7U55eIrjEbsit5wAjqsJMA0vuJAncoS0NTR_RBBh8KdbdzU9mO6DvlELBAN1nW2b4pKuA4G.U.F7gwRpJYbvyPPPKBhQD76u._MnX7u0riKyD6r3ZWBky.8d..9AgCSIMbgrY62EX8DUIMcy9nMvdtbjnq924jh3tLqaVZ1_PA00t7X.YRUp4KTpCcMGvKZGS0P3bYgxfIYsT6kOuerWW7izov5W1eQtV8hT7Bg4HtJSZsObD.8Bt95xIbxluf6oLZXCPaNnN3_RB7g4o1tmergwAZEiZN9zijzC.g0iODiIA3tCHK7yX10dfbCZmLgvZod8ycAeqtQRp7ymNU5EYs2XICpHs3DuXS61DptnnhUSYkLvMf7amxSQTtkvtIZNJX31Nt8oB2STTxFgqIQ8toZr1q33PrqYvjFcdbCdPsivCb58Dt7LSpJwyiCCxLyjwmyXQZhgaHrtwIzxYIdr.lJQBMB5yuYFr5mSLVQnTB1gT3bCU88sUYiP4mBdYfLRq.hSEz5sPNz5TlHchVj83CvxxqcEQF6rppHmF47s65TRKChxnINsQvaxl8BCTuCBOZfPMRt9cOJaoNpGdD9vl5Wu_3Nw3W6qOgnJ_mRsURiw_k6By5LK_AOWkQuzf2JYT9mjpD1IJ2LPFjgBM9.hluh3avvtIkRD.hKaqRQO3kHWOXOodYlfYPeVmLhdh72F5K5ZyiyT0Tpo.PG4GFNIAifCQ36CmiaYHCWCzL.4hcMRG1wivzgIAt46l_RzvAEU3fzXmY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6bc7a583ff270';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\/2039518467?__cf_chl_rt_tk=8yySvJCdBL7LH2DdvbjUQlG2Oa2V_tMTXWWeBnxwGZ4-1739134273-1.0.1.1-rqV9EJ1WbpORYlbnpt9bMf_WJZC8gmYWgJKAw9fyfbw" + 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