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://681062.mit-edu.top/post/3418659270

  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: "681062.mit-edu.top",cType: 'managed',cRay: '9110393269b7c968',cH: 'UgJLk3nFs13sVeTDsEVfepsAA9V0f7eM1ft1frQ3Mmw-1739401526-1.2.1.1-Xj.PRX4DZRw0fOHLsw7XmLNQKKlf9tTxrxISWESELxkCwJbMHT6wkrV74Tmo3FZ3',cUPMDTk: "\/post\/3418659270?__cf_chl_tk=3s3a7M0KPOuOveoX8chJKbhyysWnPIKmufjxRNKDlgY-1739401526-1.0.1.1-CdZcJo1ufVRTIJ3L_qpTDBaOLTXtmDbVFFr6pXU36_U",cFPWv: 'b',cITimeS: '1739401526',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3418659270?__cf_chl_f_tk=3s3a7M0KPOuOveoX8chJKbhyysWnPIKmufjxRNKDlgY-1739401526-1.0.1.1-CdZcJo1ufVRTIJ3L_qpTDBaOLTXtmDbVFFr6pXU36_U",md: "oLs7ymsfuUpHAnPQrLSv3z.6w5VFQdixBWjUHkMc2j8-1739401526-1.2.1.1-rLfsvEWcYSuZfYE1UAal3QtFzHBI3GGmB5MSM_.zSPRAMuqAoynta0X5F_xgXxHDz1qc9Uo3pmZnXvedKO.firhvhl6wXPmt1KzV2ttMLap1D0thWMsb1azbgYgseY3csn9X.TlMsl14yONHd7wgMJzTMy6cBWLGqtLqwdMQhifin.x8w9BJ_Tc7IZlBmun2haTbaLaj0kl_xg6QuAuPBjKmoV6Q4BWWYaGua6Hxw1ncJueCWNNrjUtzMwYIJlPDjH6GybokR8dMLkPnsq.4TXJZV1Yhn9k5Pmf0hDd7CjzbgUPk0XpKzxo6HKiQs6Z4Jw3SoUkXe03jiturHOM85cM5lckoq1HtPhESeeio1jdHZOKgVDj5.IS50ZC.Ap1op1UDgi2caTfHsqeyHhsPLYTZXhaFFVhrZQPyl6nP01AEaFv_DYf1vrHMUnuIKRUVcmm3GMtCAYde.fpu_rOAjug_o5IFzBfxQaVfVQRwTH6Q1b4gvQGhGqb7prvQd_j.5nlbrv0XGSa9W1mt6AqlFF._YMoek3Q6GZd6r_Iq.dgd5e8OQvwLD1KYkxr9_DuuIFnP1yLWj6fmhj2qACJi7zEJRJ2matsLf2KvLEJWUMA2oz1WlZI.MP6nalHIqkzzXw.vqwIPEzdHdAjSVnuisck2GFkOQP751KjgmoBbv4GPdsdJS3wNNsw.qF5u5XQ3nUq5.9TjlYDFtiFn..076W3xK.YUOJqnX94KmSKhbhb6KP42yWO1y9tTnYpQNg90wHo3.QgF97WraSJLgHHhcmsC8r2im41l2j9nzgv5NLvbZY1f3GgNGQZH1ZgITFpM7E0bae3qh1pRc3HD5tlA4uvzFKtD_1BNIc.I1j7E.t3MyLVX6rGtWX2oayiaIW19KPofxYaKf3uh1JBHBPgQlASBZgaPGteEZmGnLoV5t9o9tp_NV02YQfoWEk97A2hI0ikFBdFTn8fRv2JiNPo5y_jBgHUl4YUMW0vknVjDRxU377b1wy0TcwPNkTM.eCdNoXpOC4yIhr4mWWe4kapBIWTMNiahphuD4viFFLJln7HABM2_fT89jCbIBHp_3_h_XIWYO7g_uBWRmzR_VQIjrr2gMP3K7OAsDibxIJXmXcFULcOAcSJfdF8NPjNwAsF8keqCOSAnhHdZDDtOOjXBMPKaZxCeZClrr2fv21xlDhNDAkHJFDLBsfR4P5vXbsTUrexzD4jQNgNH.MW6XO0eErxXNK9pA77yl1LgTtT5wEt0TDldOk5Uzse2wObXwbQi5JD89cbO7_VW1cuIyVsqzfmHlnELzQHh1TOMK6gov0MKJMyQQxurUp7DpCwbN0gxZpilsPczMPIBwuNzTaVSRniC5olZoenpFqBBh4263eWqD9QVoXX7ruTfukd.fBiQld1iPMgybQ1QxtC4dbgFDw_FThbiqt0_L98hnT6NRO_HrjjW7O3rQh3nIwUlMsEbPSrgaUPDeQl417.PiA5cmuGLcGQY_du22faX9K9d9x_sXw7rcCgSxtYATVsFBuJoKtk.BNTEYlR0.QVT6GquqdqhQylG4IuEtaqIX0M0PSEaWZjcA1nfDPx7nu549AIE7F8JKo8E.f1kCjOjUqRxTWZ5UZA6HOlrwze5xDxC6m_3_psFvZOZ2EiWs.Vx1yQ12z.yeXexTB4RaM71QW6cckQbiHBLpgQDhIsDlxJ4mEer010vy58ZYreMSxV_GzYXi_K6sXBzKKckVuP7SaWoEc6L543CliFf57M3zPVvBcPcfYk.p9zzSHNIs9j_RRZ8MLZPtrsR.E4Uje3Tobx8pMVqcbSljAB.T8V07qAiP1QehbzkqmQi12tBJ91ViognULfMn4R98gayJfVJ8TkKY.HxHA6LRFXeWLQyGvdjQzEHLszxwen05yzHDDmWzNr_8e9cefJEqWxL01zmph.dKl8qC_PhgbOGc7k8WkhqB1xOEHSbDK0CRcjLiOEZKY508Lw8KmzxWjOgBSZbyJn6.Dv95ryDeUJ8vYfdsaQOA_SYItcUSzB0Oc7V3V5ujYL3PCFbvisIsyz8yvD23lKQHKx8rFFuUclKOKxFFbycPe4tiWP9F3Y7g.z80yy2uTeLtOHKqfw5gdRPWzFnf3dGEa6nw3VeJXLadmziQdLcIjBZrGYp75yZn9GlazJHBQPVSz9AOygsIrVfeGVv0pLQ9qUNAPsqbGLbCw_r9VS3dJ4",mdrd: "BjWqni_J8tL4f4ADlMuoN4FiYj_Pptpv4Vh77c.c.Ko-1739401526-1.2.1.1-WcHVLogGsy3AvvVGoAXv6sHD3LghUiGq42NVuM2SKnQi50Jk20STs7y9UaiSm5u.mEs8k2sw63hHN7VcoOoqYlYC8N.JWsFRPRtW0NrJvDIyWmXz2wpeW2M52nMbSoyfz0YcZDPiExfa.3JI5XpolV.iMeusYS2EXAasWs91NMDW_GcuOLwX1uetEyZt2mLGz7uJYMnZk8SQX1676xpaBwL.XFDMV_1o8Lat4_tjoCgXNXPBYGeKhGKN_J50I2vTS1Giw4weR3uFmzdM3uT.JdT8NKwuxpJrTfjmApOjMuQQ29N.j8Y2ubVEgjmmT5XmISji3fqHSneF7cjRTiD9ry6M_QB8ldF.g.PEUHi398XHENRnnmhT6BuB5_uFpHLvujnUGj9f.qDamBRsDTjOFh_gC5jLyMVxkNUvGJFSkh6M7nQ.6T5EAOY6dHO7KqGPUDgQFiGmv0M_keAm_1t7qQMUmD0da4..N.F30y86wJZbAgFu5kHu19MefP2mTu3BHEdW275GKHhkV1xSKif8lOn4X3OaWOrBGXtDO8F59ruVYPSF2yaOFNRZSJZdKUEjyC2ntEX.t9BowL03yzyBEynB9SZRCSzyECJDNoaiq3csGj0BkJtnb8INxkqj0HExzGsHvPYAvLkjN7AhzAp24MqB5Am5kT3hucZKuy4MH7Y9swAf5WIyaHbEQRqt8WiuaWzre1oOnd7k5W55mnQ2JOtV3Cp73OAGdwt4jCOOxlYzONLtn.UIr0a_EvlKkeH4PLSCy2lYGdPCE2AOXE7q1BXt51LtJZOBANuQkpqzySXpBR9n2XgDtNTp3TghWIGID65JHSIasW_HVvbO2eUdbJAmIDSI2_sgdBrLJfgLVv_OWPI4m7.qCx4kwctyOnNkw3904qGZGXgJ2kQn1AacbiedtWAQG7guWofmmry71SQiWeOfp_kIhfUiAwnyyFOEU6mV9PcX__FjUnxk1Z6Rma4.PzeMKzVz1Jpps_oMpPF9hcluD1w5F8sRQy579R3mSyH5KQsFGsg9heF.1149TSuULwjOZfDXhB0ppS5UrYVwebYJkQf1pMBO_aYzQtWV1rYIHrEOW1KikIHJnFGEL0AvU0bQbDyyAvKmcz13jd1wMcgTnOrx55b0vqOVWIg5wz84qJpzVceIDjPBlbixLYNoVl7QO_gIchOwgf1343_yEHlasMVbDweuLsftTDj_fGSxcWgvUmZy6Br8EGka7yn80BHaOZ1IPXZLiJdlAMJotumHOUF7Rets_CmmzAHSP2vPPENlB3tJ_vrjBTuRtwLp1cGrgE3FggAqt7mvvJpCtp_TBrloZBJDgHxagA1Jh4iIg8DISol.b68w5s.p7vjn4sSpl.xaGc_tRe5Tz6alDfLknvIycZzreun3lFq3pOD0iD2Hfo8xqNQXRuWtf_LGwP7Tb51SJAaDZ1bRw.D3hI_dlELjYbwmqvZnlDSu3Sc61gwlIIUfRbY8fH06VtbeAIzaeP4xP0viw6f8gG9FMZrUSt1sLLgwyquFLn57LE4Tkjdm6pxNZaP9BRBM.33dKjxtl14msdRXfjdFofKLRxgTKY0osCQ8vtXGe_f123IlVf.V7KmD5.b2EUmTbOHZxXBKcYFzNJI2EF3h91ocSngz.wZ8M3I5nsVIXkI0vOFs0xF5p8cYenI3tSdVyqmJ293KaVMqCQpt3YA7ptzGWBCiI4xIH86sDN1N39DAk2RU5uJRBJX9wbHMrbyaYxb7KAsFhyYyfQTe09N9ndmavVT882EILJHUG9B9dkLB"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110393269b7c968';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\/3418659270?__cf_chl_rt_tk=3s3a7M0KPOuOveoX8chJKbhyysWnPIKmufjxRNKDlgY-1739401526-1.0.1.1-CdZcJo1ufVRTIJ3L_qpTDBaOLTXtmDbVFFr6pXU36_U" + 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