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://427641.mit-edu.top/post/4752381906

  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: "427641.mit-edu.top",cType: 'managed',cRay: '90f7c114c95bc5ad',cH: 'dkf50JVuZBuoSsO5DNQpJhpAV3eCGLQZ3sQVlJqiPOQ-1739144947-1.2.1.1-Qe844w_qmPOCIW99DlwucQzr7x9.1xLaSKabgXI1Ijn_TJPi.7ZOf7x.8fHifR0A',cUPMDTk: "\/post\/4752381906?__cf_chl_tk=GKX8qiEc05sjewGw9Bjg2wHk.3SraJ_DKAWfe7hiGho-1739144947-1.0.1.1-oO.BUxFF2wx4IpudiYeSanyjOqhbHPUCI11cdGFFFvA",cFPWv: 'g',cITimeS: '1739144947',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4752381906?__cf_chl_f_tk=GKX8qiEc05sjewGw9Bjg2wHk.3SraJ_DKAWfe7hiGho-1739144947-1.0.1.1-oO.BUxFF2wx4IpudiYeSanyjOqhbHPUCI11cdGFFFvA",md: "oh_pVN0g._39M34qmwksgIzm0xqB05CTCA_wWkArH4I-1739144947-1.2.1.1-EIpuyG.fOazuzkkNTihnTeitCAasF9Xis1bXrFZfWuLvuW2B_.cRk7nIecxcQjouVuT5RSqwMoQvn1ZDhl8XpFxAXXIZpbGWfobQ5BDeZcSzBfzYMlsb4JXmnrjylIM3Hhl2Vu2F9yz.Re3l0Go682m.SAiGGye3rd8ML8.ymN.H1P9zLkr7rYv2gXxeUPXEAQiNDuZ9egFS9ypRU2d5ETCgSYUjqrMD4iG1cm1iaQVYw2qkShQ_bqEzshwHQSbHHNIBQj0BcAZN7NOY4her6B39M0CgAIszVz883QmeeBpie9pjDtMx60SfbaUfQ_paZPDiNJEqxD19q8dVC2gImaKuzeIG25El3SBVK7dkQy_SlF7_ZyEmJZYpGoxY7KeDC9cPGyrNbPEXoem6ruApk2QL3yPN79cjCxzg2i5Ir1lyxPfsLgKolLpHzRispjHBXmVh4keO7EznVLxHwZ8NS4XiPg7NO7OvfOpqM4ri.FATl9MguAy6onaxh.B6OsJpmu8Iwf3hHaC0u3FR1F_9JXdzdA1RqtsHR16VTRm594_eUEYLvjDyCBZJlmQN.SSxGL4nH1JPnd_G7MS1aVl9kWKINukSrd7nQDCTuHX9NuQ84exho42Z71NM7mU70muWxteIMcralKQHmJJjS34y42neJnR8LMQSJIQ90uNlXruI59yvprD__veeUD7tkaKrrXVFa1rqKy1pLuRY05m1OmXyW5x4xksMQOdDIykqXbykaEfRV3w3Bjthhpu7_2FxS9z3odNd8wOxRDIc9aNBbTbHtmUzckUJJXzaoaYX.PORCdkLRlhpYbiwQwqm7U9cpHWJkp0JcKcRLcAmk77FeYayGMUXv32l.ZHWFbbrZUphWPl5idv2APAVR6ZJW93muTCNSOlj0su4YxxDDLvqhMu4SqUIMkNyvq7L3zmXd1rNZ4zeGNvwVGDt1RgODcwNq_HROkVx9MkoIjHioHa4v6Y9KHJumlrDtXwR5YHNBnJ6imbGEFNaAbz9bzfNRq5Jk0N.0B4EgaLupNa5MrDUi1RqhIN27IWD6Tr56322q7lh1Gza130ZhxFStXHFZZSqVAZfXeawU2.OViN0EWF819Ljs53Ypz5aXXjcpSmSiGeGZsuAK9ZApTnOjpuTh0rmCdtVPdnvVW7mQBXEFXzupPHHtwbvB8BcW9bnFaKFtZ0AeSqJmCe8qBZALOSmkctqFySRKBZZELPmn4L84gWIbeCKZHV._AJn39yVZFN9iHaF5rQPdo8rwWUYAnQtx7UwZ2AdVagHCaf.ZUA1_j9sOaF7ZOq7yZLtx2rCd.OdSzhMNVCIudItEX0Z5GckH0VfelXtFQz4Sd569PYmXHvIwymNFD9o.PKpyPMw9.U22myEVk8TyJvDaBbUZHi3EkfW4sU7ajnb3_fudZtuewvy3vqKMy3OE9RGjW7D_ratXkVUJTzIkkqmWSQTHehEWTGHHPCUY7nprD5hOdxJB_D7H9BoEW_avwGxJZpOm4WW2z7DmQbNpayeBHJma2IRC2mFPBIf83ahjzCgixqKzUUIBnkiCrHzlqkmR0wcN0Gh0iLAtqVf4J5AH8fY1aU562KE3MqYKz65hSZP8RFvoIruhalWMufHAuHXUXHgDzOdcLMg5eX7AFLrKS7tS9MabTsKGfR4MS.qy_i.jnU4vaa2pcMAEmEH4HRSANlZUKb6rSljWuT9X38tfecNIUrJJqf0TmwYeZTrOD_n5F3KfRPcHkiNepA521MMj5TuJ2PEqGIKEsKztZkZg5MPHrr.ieBz7QC.WWNOQKbjOqyc7FKTWYfHlKUxemO78g_DjDnOy9wb7VoCoWrNyjdP.qnVmNvJu.xSSmqqGd9nSsOf_zqAOhqKXu_.T6zR1RClP5mwNNBcVCXJ_W97g7TzMMsluEUA_FsOqOa.aVlZwrhZgYv311w3vZ4S8EE9uYk0yTRo2vYfGVtpn3cKSFtXg6RYtkskSFAhQqMlPvWo8H8H_7tqGzvjlFRCWaZaSNC__UkWZFd2bMJp_UAaoLqAlTe9S91YwNX849EylK3QDI79eX35a.NcIqrxix3eIb2r64b_pL_DO7_YUZSCQGgjcDCrUglVKxAqsE3N3ZLZoDa0qUcu0Wza7j0_UFUFYwavVVWTt93mjVIRY_8GsfP6o932cazKf4RGLApwQXlMjv_mzJ3Ab3DiKtqxvzI0XsPh.TQcnYY",mdrd: "uZPdTJm18y6JYTKY9RPlKvOhIC6oi6ZHU4yDisVCsS4-1739144947-1.2.1.1-lDF2v61LIx74FagUvTIQTznv8_QgO5WbO4YtJ52Wg_xAnN0nqh9Yy3M02YTZUla1H_NIAnhTeNuoJL5holSuw9T0GDzFK0IvYrqv41b_tmMWeE94kWHI.VPtLKKo0TjnZGwvOqimtdzJWTv.Sk0UZa7hcBulhKUqD3wVthHWyYGKBKk6TxIN6QL1wY7k73irnWR9ZCgAWkOZV7iTCKHk1lcqG2YrncTm0DRk_u0OOFmGkOGpP5nWAhlAZRIcBhgUTeZO_lfWtJ8gvQ.EX6TK0PJKe4_LmgnQxE_tdoY07ka0l1GqqSjM1dto.z0rLA9KL.gyf_EYzlG3HnTr4hldcWGdaYMv0OPpTOYNfHGMdbvkE4nhmb6vgV90XsKe8R5fMokYtSFv8XznNapIFBJhMFmioRFcHhPESc1aLsiNeTH8Y9zRHVuVgBHmayTwk1t2PA.cfX5UsonOQ574v11IM3lErZU22tvWSCTHt3rxRAgNH80z0hUmqGYne1EYCmcp42CzADtrx4TX2Y9eDYZrFaZY9_vqbUbzdYc4RtR1GHG.6iy39nW3kwFcM7_ODtkfBD3g09npAXZIKYM9Dz0duLoz7e62n8PG1S54NsgC7DFRTexYPah86Gm_TzIjl9_Mk789C9wepGbQaFIf_Tx2UfHYH0xPM.sGQcTVk141wSI8Ac3Ykova.j3Bkd.SLv35a.qN6SntRsCS1AyP1ujZgvSFf4waHWDNFIdJTUlLqzEbqn0T3DD54.Ez6xEDW0unVxZWOhaAGKdJowreUGY2TY2Ab8szTIFmbdm3qIbnQHpniFkAyclqr5fFr387ekypWAHrX4GnNK3EhJUCsuwGcUuCxPgGvWNtJntAEyQ8NjSvOEgY6V2TUku_ByvfQ500HgYtWjGNc0GzalsiZB53aZSUfm5A5MEM5idhRWx3OXmfuponxXq32b21z_M0q5R40jTJbhk475obCNmFfUWP_EOoOwluVe3HszycPO0w1RZAiIEb_MmXXtDoM5SRkbqa0p1fmZlE2NtsVSqH9HI3tWjGISmAi3szK4BPzG7cy1v1efh.tNL2KjKLRRsQQaNKjWQb00Zgjexy9d8h83Jw_aPH4NHgyk19Kb95BSImk1b3kn9QR3ztilQTK0yMAyrlqOBGZhDuttvttJQ4G_2vCQLrWjlXen4ulW_ICN62DIeUXuBI03EOaUVmWqdJtASWMr6F_NX7_HOpR24QZBqPvXIofAWHPSrMsR8awRL.qTmxXkGGBzSdZY2K9ZnQv3OjDd7dGCMsKrhd7nAWLCSai5dFulfHb932apqR9rJtzw07_xg0Nrq_XKSpFINseHoxMNdykXwZruj6zfrctO88rlXSdeRcXqnHU1fCbbX3SffSYdmi2I7T5V07pzX7SUPUKfOE68HKFiqAv1jBtv0mxod3aQ7F7Nt_X_85ZUb3KQIG9TsNVGrLxlVk6sdZxriEZSS4F.CPvn9tON67XfvKAPJP7uKVFawnag8c0c4Az_I8t0LaYLYOkctjtClRv2iR.9brplHJpnMfTHItPJmC7NXTj_NfUBsg8KuNUfaR07XgmkI6b_SoGwoJCaWs.x0sn5NMWK7jeQU7z_p2uWrDrdC9pKnS9yfRICECm_7ygdb1Ey5.M1nid5FEyoEDDheblOv_0GWnLCF46EUOfKyjMqMhifsOiTJVWkzOdKJfIRKTSFuUnUdtDHzQ3aJQhZ.foglQLbl9ohOH.By_tS0pUaOSi2EyEvNa5Z8.KXXpTDgWB6sDtAGllOlULahI.2B5iHvjxvB8tPJdWo_YMpL_Fg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7c114c95bc5ad';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\/4752381906?__cf_chl_rt_tk=GKX8qiEc05sjewGw9Bjg2wHk.3SraJ_DKAWfe7hiGho-1739144947-1.0.1.1-oO.BUxFF2wx4IpudiYeSanyjOqhbHPUCI11cdGFFFvA" + 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