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-912040719879.mit-edu.top/post/9850764213

  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-912040719879.mit-edu.top",cType: 'managed',cRay: '910f71848926a504',cH: 'qbaIDQQ3wTLXZFrHFqkcop85eYF61kFK56CobT6UToI-1739393347-1.2.1.1-nOsvyeWJnnkS.5JB.XTBpEbpjkaZnRyaKTGm6zMzmCG.4isepwvRj2.DW.R1Q2Lt',cUPMDTk: "\/post\/9850764213?__cf_chl_tk=tpssSSaHcRe4hh8ZHZcwQ78Onui1movcMU3YjjMRJCE-1739393347-1.0.1.1-Y8rZJQ6iwSDfNv.MGLNqZn8uaC1dkPaW3qkbGxbaAs8",cFPWv: 'b',cITimeS: '1739393347',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9850764213?__cf_chl_f_tk=tpssSSaHcRe4hh8ZHZcwQ78Onui1movcMU3YjjMRJCE-1739393347-1.0.1.1-Y8rZJQ6iwSDfNv.MGLNqZn8uaC1dkPaW3qkbGxbaAs8",md: "TQ4.Q2iJ5bQ.jePbYbjzRfVOXHfaAvlfiSfFmIeIIU0-1739393347-1.2.1.1-_kviX6AjmQwjWjttu0bXteqVH0PETcnbM_1c0pR4V.0GwJRUxhhuD0wiC0pIvRbapZAoLtwZ.VvgGIa27NQKXw0juGbXsLRVs007ZcVC0mYaDHVNSl3pAWMQs64JVHx_fpw15RKn.O.8PlunoSf5AeSbzcoOuMgCL5VGdshmJHrCkPl8qCGpFNRW02f877WirfKYt1DEGbbnNegw.kYDU7Xh0csIlDhTfLaCmLg0_eTvdmMHBfwtnzvoagZvabNPcII_WZEFa8NNaCfBFXeDMUBtfXoiSvAThikNOXJAVEcpv5OJR1nyybuj4loZd3N7XwSflRLT7BO0QH9tfgVjrC2qiNGgQrmlsi1ngJyVDwn.Npg_IojZi5oqjrxLWxwhgj6hdpO9URnQHFxfTI0Y2aaHW0KTNvkx607VhCOODLZlnzsoaM9Yz7S7b4n9uHIaDxvKHWCApjvO296EKBl0ZVPYiAdYx1D9tcwl3128hmYNydVY6c5V_R6JoJZPrIsj1m0cTW.bDaIEeJX5j0Z8M3CegxUhtknvcTya4Z_8MyHJXPcByDRgBe6LbBUZfAgG5NqNqHf0sqx9wxOdmdRlBk6gI9Cy9BTCXnjexI1A_r2H9ZXQOBdNxaf5JWjUSQNoZfsUWg3paR9Nj1U_loNO6roWEiUCDmcsD0h96gTDrAsU.Tee0lK2x9v6.mI1IoWrMbems10ytlIjJpuFqqKj19koZDXiSrI9m43Ux.cE0MqOjq.yD3dC1z_XTKBFj4._A5xQZVOhUBCzLlI4gX0hRKQ5kyxzbShB8fJXgUvWwmVNFbAFCrPFHjwGO0S3Ci8xdGC98wAJj.qV2DaugRvqTa07PRVHOWyj5kX.xwCoVrbiWTxIK53j1_cmj6mJS4c1Qs7cltNU.ncDYQL33vFYQkscZSgtuc3kJLC9lHTJX_0vqEtpG93J1wHfyG1j5A6JMQOHRccROj_XViSZbjw_SsrjwUsGUJM7bQyR9IML8UWCaWWG_UyWysmuU.X0lsjBh7qUjY6weU7YDEU_8wUSZux2A4fyyPdgeuS_SXV_0D2eEm_kDS1rYbwoL6s0obtnUpLHJ3T7LqdTFYtqOfaL.msPhv8z79fPny81By3L46sKcjbJEBVAiTTTtLQX6M__tq_c_PJIzkkYd.tI7YnA3HcKh_HGkBY7.lrRUm6IFrKyZvj4qq0_eiJi.93Oruy5G0dstdH6Xi1swT5WEm6SfhfYgp09hrxJQoW8sPsyWvAXu_Apne_OEZoKJZF7UiHV1EiOi.q5m4LyFIHVydX2Mm3ziznpOwUBxNk.60ym.YKkKt_n3E2UAItHM_pcgIxpFvjVkYgpJftRd15I.KW2OgRJ5SlUvV419WiueCAzgoFptUSKkUFJa0lCktGwEmsh4ylSdW31w75MgAmdj4ROctG9O_UlvevWBfrr.iokN_Uf.H78GDYYY1or0ip5ZZN1NXGJOpMJ3qHfsgDOILKbz1NfL9rFhlXf2Cu1H_xbkpI4r1f2eJa4SPeJoRWdpBVuBWROdzJf_5hcbXRH1vBOyDaI402Bc0nGFi6hTC_6rU5OJWnFoJqLbol3qQQkxsvp.VQt0c_QH1wKSvIaRkfgs2aCQjTtFMEBpMXrpzuI.ECEprDeqaRZy3J_zW2iP277apL5bN_5is8URx9Qx7899uZnFdyrllInaLrreWNgpaLeGGFaSCV8hqlKAxppvGpBUiZ_82XP4ZgIzgwLXbi0.VPXhBlqC6CYgpE_rgz0d4rNotos4PZ9IosLdg45dT_McCFxL4W5eIZ7w3WW.zxxRz9bUjkbjnXZ9FT._mv.EEHVNVIt8BGOB.sUDXJg62jBKdwnWwb0CUiVte6SfWbxPkhObtZhcdb8VrqFkr2zvWrWAwqbhVu86iMOV2h3SugnLGuu1hxcr47hjWxOIOJroVN.7KqhedE7QfbQjxppnA1xz96k6t_wnvKx8e3ZOzjFKrYvfAyejpPoozdHfB5qpUzBl6H0u60msOo5MkZC2.rOcf_JLPiGS42lNSPi0meO8G7j171j55WuzwLTpMeOjRjudRtrNBKyjGalJ1ejgWHEwqj2nc8BzDrTojZu7ilZQsWI9B.hKJqItyt6gQBmqhwX6i3mXmQLVe_sw5yPHYkLe0sOe3oiVnj7ff710xDwhR0HygFQtzOVL2uJSmCkprQBkDfjjINFFOg3MDP4QJs.7li2OsfQZnoKqof.zHwL",mdrd: "rHxro.3R6_ST3hj997F6U_PK5ZDHMAM3qJDTOqcoZ5A-1739393347-1.2.1.1-3jgOHjtij3AgzQc5D3GHzSW8NRxG3s90h5NhcIz_eH4eWq12WaCyJRKmNxDwRZyJVQtWoZP3ZVTYVCcRLCLJS13FOsFjN3non1U_IF8T5m.7fcnL6Uezl4JDshWh70uKgt9zEBFbWmX8AbBRZdUWLXHmRhghvS8hLBVPLInRbgXvnxzdZKqDwMAJYRao9i1k0DEHTFDz718NFbW3WTmclJBwPaHqQcBwsKkhmG2UnAluv6ILGDVwE3_pFc33hYA0IyheoeGxxrO7FofWiE.Lpdew5tQEzKoYnQJh2dMBSYo.F1N_Vl2jEiNfMNlyjypvnQd5ty.f4WNqn6W86y.XhXjdBD8g_HydF3iL4xbZciDa6xqzv5bHTwvsJHtk5s_Rdn5Ti4oqDVdx_e3t_qMaHvm1M4Ed0dnRJFK8eITp.puOcPPAF9SBY0hL.koIZaXwrlZvr.sO0oF7v_7oVeKRMXl1TFiN_HqCswpWlVDwKjZcd64e_2QaQSgeNa24.gwGz2.QnychSF_23Z4_bv_fzI0rndlPKqTCae.QK0uDn7I5eC493qzKcHUWVF8368ePA3Auwgrh_qtdmQkLPKzFZyRXYJV6yAf815mNlqZTzmeQoY6mie_QJhhGwpPa3IAW4FVOGnXV7YHdwTY5zWbJ0Ka49j0nr6i3UOka7XXyQFAr.T7x8rybWkysowqawkCySY1QP5retqgLAKsLrgbjGtuU_xczSWKmhUwAyFXcFP2qs._iJzI8tCCHsB18cWbszNWwOYNPqalUVLnbbF51faZmQ2XRR62jiG2g1rz5UFmqyFD5FpLiYUC0UaKnGgft_LzjnDOjGMgTAlvdJpVzwsq1cckTpeMveBamvpnyYdAOv4rOCeJ0VInaTHVHRFtrR4IKLCL0xuizJYBWOui3GPdenK8wRyx6XNSWot0wWzSSdogQIdM7v1cHZq5FmkB_7cuI3949CAYtuLwnFlZTIspxaKs4Dxww9hsOqcH2i.MQxfvJeKX.0F3c9wflpyEmwfdQ7z9g9ETt1RfJQpbNh290BMw_JAj8F8OSB7W4aWz.IuQ0f6474niSua_11DHmXsmpS9gGvLooW_fef7NzYsqgnQDIzstHWW5d8HkXguyC9OoHuE8nvFZow9NgWoM6MWYlyR2C.X8eRozH_DKVOQktr.HYFyPR1RS.76xLirkRnCc7a0SH1O_0iuU0vp.xsRblBrA0fI75RFLCmxYzcGMquOLi9Z15cmd5XWJFN_cvFm8xq4Ls0m7wMIpJl5gXUdGa9J0f2M0HqmpdVjaCM.mHXHVJaSgjokkGipUo5LgO1zu8ZI4CBo.E9Pm7eHocaa_YEh2MYl4CjOB15KFjP3wK88G3x8KtsVK7bbA7nmNSSXu0jdQDNqsPXyRW8jJpO8QSOF6Wc1rK1dE9bPeud2D5VSQe6OrgRD9kDlZjGYMXK7aE8Erc7yUgE7e7qM2Gj2sHV7VpeHNWkKl0eXPPA5glWdcSZ5OMMa3qL4.1crn83eyBx38FxQjoE9CpFWuxESYX5IPatx6rZ9zaw_1TGqr90QbwYhfwGvoJTA0_c1nqNu3uqN6RBwB8g9MkEjSiyvvcckPGbDRXMh607NFCj25Df3yHKy4yhJobIVJXuC8Qan8TsDWt9OLr5h7CJLM8s9VI3VxW48paydeh9kCnOThNhcjla4NpbQq6Tr5PFYbch4kuqzjRdBiSHOdcqfAN1nOvMbQ4pZAyNZc7Yi_Pf9l7zAfrbD0lUoDRQ1.FE8Dq6xDWSLBIrcZ.9CtMjNZpXZ.0mLxXnlBU8hMthnEiGBk28pG91Qc.o6400.BY7AY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f71848926a504';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\/9850764213?__cf_chl_rt_tk=tpssSSaHcRe4hh8ZHZcwQ78Onui1movcMU3YjjMRJCE-1739393347-1.0.1.1-Y8rZJQ6iwSDfNv.MGLNqZn8uaC1dkPaW3qkbGxbaAs8" + 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