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://277498.mit-edu.top/post/2890536471

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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: "277498.mit-edu.top",cType: 'managed',cRay: '90f7daa5ad160619',cH: 'sVD8co3uuBAf1woBMPenBmV7b7o.SgbXPSlg3qYz_iY-1739145995-1.2.1.1-VWNwL_CPqYiz9R3CPsQgegZ9_HwgK8u9zQMNMJ5aeKdVjkU0et.jL1qBYwRVQcvb',cUPMDTk: "\/post\/2890536471?__cf_chl_tk=3quDMv71YkNrhkYQpJ0GNnU6LVq13A8PzG29jK0nY2w-1739145995-1.0.1.1-egP44A0ALiSpeO.Y6DmPU0CEmdBy71eTdYVLM7gAoTo",cFPWv: 'g',cITimeS: '1739145995',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2890536471?__cf_chl_f_tk=3quDMv71YkNrhkYQpJ0GNnU6LVq13A8PzG29jK0nY2w-1739145995-1.0.1.1-egP44A0ALiSpeO.Y6DmPU0CEmdBy71eTdYVLM7gAoTo",md: "F90pMtRWsWuWDXwosAegwOA4RUOu4MR7uJJ6lLrTSug-1739145995-1.2.1.1-Dd.EuKu.1L2eeKZAqq7QBRMG.aWQ_Ue2NASjNzV.PK6_07SQYjLQbAMl_4d6BcECOdIU.SIeZDV2cMsXfDhUpdZwaA1axS8.fEgnLVpCY_FW6f3P77VYkS_HQogOvzCO.Cgg2cMpksZPg1FQoA.82.pEOZHDyaPO92TBaQLqMAhqffr8Ee9SZPQ0DOzCO6PTIRO4Sr9k6lRilTeYYFi1DhBSOnyQwACdnu6D12S7LhvS9gwbz3lUSvtuOPGMBskDrcBW.yMZVuJ0nD_y7so5lVnNLTzLFEdeW_n1Mo359l1tZEjzNV9FV3rPvVIMOZo6wE98bbchujRds1Q2bEcAsynqQ5.q5yito3MgpUu8rtNefGI3lxJXK86a4.ojUEaB8oKBwH1Npg1xZt7xIxyo8DByOyFLGopXFADv9faFNhkVe3eQptpaEmu_ObTiMsS9nu94NA2uWYzqoM74LoAD5gJyUsqE6VXoutd7kmMJ0LuxmmzLL6v3cxhU89hjcSIVNjto5CDD9GI1pibCzGqrPPxQV5VJs.SB.remLUAJvbHBJqoCR3OhiwMqwWfGFZxj18tBOdC4ard9zVPDIn..CvA2sKXEeoyULrwPhn0.rSKR5jgN7ZyUH8Z73jJOTdvLYsiFJwCzS7K1OFAUulBLyH0UpEWPwpxxQ7YJvbu.CB7rnBI_4LGvD74uchanDq16JUsQA0s9H0w0wVaBAHkaYYIxfbIKusF4tV1T7pqZobi2Kp7EvgrwRHEF880taeRN7erJReuvxXQCoPN6U_uQNnx_4gABxKdQNUgdjZSoEvGLqJ1XlhkCkjVZWswrrJRpqu_xCgvBnNfJTqqQo5x6JGHo4L8W_4aWgit3Ee9IUlFuraKBbXxzMC5g5jJY3holAP7X.mR9qiyWhuoupFRHq6xvLpP.uJw_Ah7StLuEDQxhVQ3lgrpb3aKBAaHRZNJRiM8ADS1oqDwGE0.RHUHWqD4OlPLem0EuxyEuhSIVMnKr9dL9dlW.TZYYXGfmsWu1GiehQqtB6BjZlZH7CapqNYgDXgjU18_QOJMeBxfyTOCu8G7OddPOanM0zjy2IfvoZ8tkqZKat_z1FivbezvvyE6pSfeiA2Qvn.1jBhx_F8eANm9di7.vew6bwteZN_d5vKzo3cefSeqvjo8KCR7oh_n1DJfrjExKtiGWZ_z2xnyIBDkSWU_bXe24xbKGPH8ucZzR8OZ6nllWxTL5uAe7diDjoVsCHbS0uG20uX4uCBjDZ.aGqmohnfjoTqfUPrT3qstgQT06zYXe75ZBAT6i_M28Yu5dnhGWoau54Dy8p1tTDv6CZ9BWC_CUm70NPQrlzZvpIOw5EGGV37DujjLugDKT.xhKNAfZY5nTG6MQdK1owEI8P.LMzEh.gaq8gyk.EG28VUNMm.8WmiXwEaYDymYJ0VxDEYYdFE6s0kQ4ractLzbKKCnDYNkmFB9Ui48O0FzJY6bLKiPJrQPgMylWew6B6uv3knfRERXJOohxQHejPTgqpKWZfM.vQ.JbvPSunbbqyc2Fcny9lM0BerK2DxU6Q4pT2Y5GtQo83zRac3N6dJoW.D1sSfz7c8XWYr8X5iomJ0N2GL_XFtUfwukFmHYsDCwCaL9TWlGGeMkdjR26R3lGfPX7sj7N_1HfwUHebxNbYWBTGdm4uD0_qTH.TNREWrlWExuyJWJ0f5HepxZxXUojypsjJz19GRXSo5qsjtVSWGm2n5b5PEL7t0p4.ziZOieYVKMsLkoPsfUk0FZKQ01slENztdd5BZhlEe6agSGc0aRKnZOBB25YKfpA95vrygshZnV4ozZA_slIZi_SXhEG3NkQVf4Nz2_2.ZitgSz2hHbTmxCC5VckhGoQKi6sxn5YyDtqP8FuEGMwMAo96a1PKBiR1QiU5MY3jOMnGuxGjRSbO2lWKJS.55dgA5cf3K7Fqixnm1kjh8HOcrwgk6oV4HMaetgvNppdqJZQgT7CwN_9nnhcMQRgWFyDGUY3BvwjOJn0r6uk_ZRyvd0OMg0Sasqfp54gMDS4vLHR7sXBs6jwmkDD0oRf1KghTrcRcP5_64JmFiHAOlRcd.kq_4ny0dGtr4v4xOHWrkPRvh6bgz3MXYWn66hzb4K_eMFT2d2vORRwuDPNGbFHSY_Zi5Q2E4A1JTkbLbU1K1aUOsxPPFca8DPYi8GT2Dc3Inh5xK5fdCleA4uIRFlU.vc",mdrd: "TjC0MMuJ9MkOnfuI9uJQ720vLuy9RncgAh0IJSs2tXw-1739145995-1.2.1.1-39MDief4s.GdfaMGSrX74x3weCYBaOfdfx3r7k2.2snyK9v0S.AQSA7WowHsfvUJ7xp8B90eLsS2PYkFviuvx3dcRZmwhA4Fe0lspyBLUz42Ck4r7nfesZTG.daTfqmLUB9Gwzw5nl9V9j3s8e8oJhO69JhIlDEFp8el_7pxPt9EA.n37UqpsJf70UfyfMFKLLIznuOFxt.BFBXmEQrB4f.Jn_ID2caJDMh4x04XwBO6oB73wCJWrfxQXq7k3RWtGR65ttnRIkTZQMQYt6XIquv5ZLBXUJNACklty0w0nbcctlZbA57PSLmwSb7NVzdi41YF4jFwyLi59RYIb2YlPkIGI.5HJTqqNvlvR4XY8u_8KQEAJ5nu9XVXHbxwI9TMWqJ0gFobTSTQp.Y564N.EkHS1SjrkgvSTm.n.TuP56gcAJfWAPBIKGv9XRxkjJfd4lY.LJnFIPOcnjVSveeERyNn8t1SIP_wvUAxv4Spvyb8nr5FIjKWQ57HvNGVBmCB3S9NfZqShXjSAiOBraG9lRto8irKPmzxVDZS6v3PMD9kVJF8A9mUTR0x8zn3oZV_J8HJZy9BzW6hkTj8NNMC8wReZuHo0FqzkHoVp53umvNuRQw61982FzEfunMWpupAisxQBVsOuqYOYfg_dKag_5qMLVz7j4UZe8OflJwS359MOyGElU.0P4agJw0Aok_Lh0i5iPJEQk2XM_OHEsqRsoHFqo82ckg3J5j.uciZ.kLu4LtgGOEaG0Wrd6RKGhWaLrGQMLcwcA4EyO.GcOP6kw50ha035.CXeRg57o9R2wUDUaFMIgN2s24sdTYnPdOd2NCdc4wo0fR125SHdARfaG1Fab7XxL0fux52JCBfI.cW3xJbEF_ZgkJgMc5.ZjPy9DA1SO5sPWfB4eR_VjYVfMKu2_Ou_.Oa_78JBfWBXuEF9tpD0JBEZEYm2kJMpFxCohtCSgoejEugOOil7Ked65oeSmLLCNGPgdx2iDWWqlAv_j0.LxOKU_7SDVxIFUIDFxUZErtbvQQLPqPsgHBGSUZiNXfOoxJXN7fGIoplsklKJMMV4ITuiz_SQuB_90B1eWlaG16OKuF1cBMukkJ67tqEwFkLKDexM1za701yAM3ADzEm1XMZtDvCSVvX4hTIHMsYifKXsYNvh0nffhg5T6O5PiM4xim0JTz7A.Br7H849_raxOhs3zs8XjWz6ZcZIyoGbRWbirGjfy8DUvHzkAnK9wMRJrrN_I.IQwM3MvxhyAxGRAmePeRBu2FxZ.NZVivdH.hL367aY5JZymshxoL4E58el9DUulAKclEt5BoVdmg_xpPXD6.AFYjE9cXNgoRMMeN1rWzQ0Mh7SJQXhSKeVauNkZELnhmc1IEm00bjI2mu9cT.4Z8u.100d8JXVof2ctr4C9dagdJaS7dh3kdNxSZ_xFWJt8DUbmpoF_eFPxhN1E_UM33oXPGTFnph.SlQ506LLqHMCUCGTJcSU6TD.IhSvxbJeK.3UR45lfESdN.ZdrXGIVc5M63509ijEM793HNVTes7SGALAcEdrO84m6YAnqOsqRdqzINKb9OeHUAOfWX_D_nQQWcfCxyNnU6shRVWswZ78IdI8W_y51jF.V0tPpYg.VumkpVVS4s0phn0FQcrYmwfdO0TBFbOyIEtfScYdzyv0sTcucx_r3DMNibXrVLE2ScxWXkkq..T97QA.FcpWRD5dVGUwMsJqnyqr8y7Y2AOAe7Nh1uKd9_UpteFlCkMHX0C6FcX.11Jmdh8TPwkm6yzepRUuzaK"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7daa5ad160619';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\/2890536471?__cf_chl_rt_tk=3quDMv71YkNrhkYQpJ0GNnU6LVq13A8PzG29jK0nY2w-1739145995-1.0.1.1-egP44A0ALiSpeO.Y6DmPU0CEmdBy71eTdYVLM7gAoTo" + 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