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-502677850796.mit-edu.top/post/4920867531

  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-502677850796.mit-edu.top",cType: 'managed',cRay: '90f7ea6568f4d705',cH: '8IDYHj6XUnjuCGe7sQ2_g0InXnVAkIfBHc9.fvXheAc-1739146640-1.2.1.1-Xx2jvm.Bq_ZrwWT1T8yuFuQqP2QdgV8r4oJeJzujXuP22w4OF32jr3CVHkTkRfOJ',cUPMDTk: "\/post\/4920867531?__cf_chl_tk=sx81FYUsRasj4Z8Jf4GlwUyb73oSEblMPJr38HrNr3Y-1739146640-1.0.1.1-Ik2Qvft4gycp4ubRQZMYc4Sh8MNi1Ufyj2TNsXnNyWQ",cFPWv: 'g',cITimeS: '1739146640',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4920867531?__cf_chl_f_tk=sx81FYUsRasj4Z8Jf4GlwUyb73oSEblMPJr38HrNr3Y-1739146640-1.0.1.1-Ik2Qvft4gycp4ubRQZMYc4Sh8MNi1Ufyj2TNsXnNyWQ",md: "DZtEQ4lm01pQs2fpVFBywpF7KA5rVxn4v4XazN74AJo-1739146640-1.2.1.1-x_FDMWL1xgzh22rVC5Mlc0JoG.ST1AR6TEGUoeZR_GgSZWPqGtjd78SYb.b.SPqnYb_jzlYfxOk.GCeElF3cFOnBM_ldHF1K84xdBCGSzDN2NEn1wMw57L.PNmn0e1lo6XZ.Hma4uZQhDVU59q12SHcaNSvXkO5PySZgIrtiEsUjnCWksgt5SWZXBaI_RoSlgYbtmzT93TI5USkrlFpl2_1YfH3WNGRUQxPFVeljtjnrhrqO3TRdTRYUpyD6TWiM2P70xrRqVUJFAprQnmgcuj5fIJ_LJMz0c1lbGri6HqKZLNjswVWY22xD7K8_V5GdFNVdhWAPh5xLhICznOtp3QxsGXUa2mdu6zXcj0VJa_KzLcer.RnLU1uJ9xy0Y9eV_x86ZTBuceDhTSN.CEkC3SjDSTwVTlvg17LwmuDQL3pvrKryTfUkg89.6JFuXfAPP.0wqi91d7q7PrNuQW7XmnqWQA66sfVen4YYoud5hlyRJQB0gNfsNJm9hC6SunyIg.x4ezYATl22KHP4FtkQJOzl56Oqx52FlxCHUvf04shXsRddmZmCAqMMParZ.UblHYh4Poza.UmbCvofddSaHv5VzG9Ei5kNkeTjYqT_2VMBixD1SkYtBX2m8k1tCLvI7ld1Lukg40G7tGPReoVGJQO2nt7TbzDPfugTdDjfYqMMqXGGBDT2E751AQEucMVWeNIVEXBQOvqLH1lkI_k_dAXykEaHugVWO.UV_yJ7p1VofTEbMH5_gK1CnN.aJLa3KR5iwEEzwW3uDXWg7tb4JAgMN.76bw0mzirzc0IJMnh7UO5lfr.XiY22bX9ZcnbN.1WdJgV76dLMGuN8susXpZvBDMngKX18pczzkAr9fP3nPx9R0lAIpbq9F0ZlWK7hzNgMaO7083aTI.X2aaucnKZ0i68FMMHaWQkT_zytiottr.y0x6IRwmEIbq59RHsL6eBXvAl7.i5qTi1EqZHAT87jhReAcebqjJWEZw.M7k44o_G8CtLVNAJpoehleW8wz.QWbk5tbzh7cJn3_NRzjfESNWsGLVnZc5BqXGlKrfcTNaSFjtd.mRZo80NWo04VkZl0j7EbTmW6oOjHCRriHczKx_66xgP6eZIjo2_ajlFO.ZAwNQMOcsFP.rVU3In_9QmqhE.KN4VytSUJQK8PgWRuMaAOhfcTPHpWBB8h_zMHAsPy4HaerLojlOhqSn9jSpv5_iz_A45bN1vzzdZXsus92yTnmEuNc1QzQKikqFJBRMeMTPmngNELjfFE9DHPGxVrKEB1hFAhcHk3w5tqnGYCRxVC4dldyLjgLijCZUVe5Oq.I8HP9GatcSJON4XRLxAC0YcBA3tI_O7IwurBYszjevGzE8iCeb8eAlLD37QVz9QYsvdAI25crBS7dlYM8OYIWOIq41oqn.A1JCfHBtuMkeVB_wYwHEWq4WXW9l.tk4wegbWRJ6ER0Af9bUWh2E3V3LI4V5jgvywx7w6Yt9w8DkHbdU_mbRH7KUOeV8hAVxBZg5XfSaar7KIhaGSwjtLirKhr0n8w6.kJHYBVoEmHnEeYETfx8lJkoPtZdAe9lBtZpMfOTQKejFxpXX0Hugv5hAC22ROmtXXkRdCBRYwEjcutxEdM3WPt7xD7FCdLg_hzae7g5ukSXbAl3XFoMMNOOLZ0SxYb1EGeiZFq0vZcifh4pRfG6Dg1.vrD_zwd1JabrZHGyfGY.l15ujclfmy1y903PCtjwgQ1FDQONKDB9xNfElbgVRluQ4iLmkKnF5Xaa_yoL8vS7FfgtAsWx2RhdtKhcPFW27dMH4Y3ELP0zFEmlCT8hyUikHbGs7eQhEgyfYkw0zsbeRp21LK2bOWCtzY29rQFBbnWxn7TWFPA0lk53ETTc2eQLanzSHsLEVL1TU_1596vtPiLAbAYwk8Ktwfl7Ulo63BaAl3Amrl.YwAkOvVszl_0gG1IUFHGT9FHyCUpDbi3hH9m60B98nQL5YOi5uZBVFPhPNyeq9zAn8DY2zeQv1o0ln8Tx7YUTIxFYWmZW6PKm0Pf6LdvMSxx9jfpp0cJGXmsv.8bxm2zyDfhqz8uXOtk6uODwpLKHeSnxo1GjpXaRlqsTv6CLTvTJyUz5_z1doaW5dAxF.0Hg3D__eN3Q.bw9Z4lzljw09bZA46KOBz1fgRgLOHC12HDK06DcE3COGjQaG8KrsAhj1XFXpWj_4CvBdFZpXpJLd9KZI8y1uO4h5ogT9up",mdrd: "Ag8wiCED4tjIV9doOWAnfm4Xy.ydpEC5qscf1W495L8-1739146640-1.2.1.1-AVP1GyyobCCLJFVRIGf4_TUj6XswzbLyYo6GVXw2m.NUCHRJJ3VHxWbh4yWZ6FIjHuE9JoeaZ6j5QAp7lVZDwy9I1craRqtc1wTprvcOg33l.lGQcSwdOSD6kzvdThmm.VPxxT08DP3N8I0_LcD9HspzRuxFTWxz.WfLCP4HE9wLLnCMx9Lo9dqZUH_1KtUaTrnqW3RuBr9953XCUJkDEsoz6dggfZfULXC.DV0Yr9R1a9q4wBNf.u1vKz4lT4Jz2kv311KsYfrV6Djbcjb8tQy.fE2FXhOt1CBNATzwZp48sfGBSIS770Qr292fqrwrhDfjA8BLRLUqYun.HStZYNdSi7ubkLsQyqY8rmU.imwSyfnUsEM75_uJPP5PBuGB7VBoq.agi_0Mj4n1Ue6QtendnF3vo.QEkEwtlyPn9S9pvkSxsHuRwOII9CKQ1vJKNS3t8kfjUd.xSREADQYO_nCcVTbJT9ntc_IdCd6oQhGYs0cLfGnwVH.hCAM06dcPGm8xt21oNugYe0P4NecrdW_UsR1KEdmQj9Fu3m1Bl7hVqrujdwtzqAHfdf1_fGby9rBdKhzf2UcrG7g.QEuFjMk4nWXeB0D2pBlUUyN9t.Vg05QeapG1vfLofYSx73ua2Jr8sPYbZoAHYbYOiFttodSe6zgcuRnCLDXRaKjzKzC4ZiCNWZSLvIGnDlgrB9Jvy9lt_kEmObvhyzaoeri0N44uyVnC0NK4rX8.Cn6p0LxzWOS6TefSdSNzpWqPJLP.NK95al4XI02mtRqFsRT76x9dXcLfoE2tmgx4oQdOUFpG6Ib5Ck.hZY6Ne3Wp1TY5.YXBvv07LHB_xLiyoz1hO6rypJd6U1wRtlrfM0x76Om4GL.FZlZ05CXue06oovul6Tvi1uNEQ1IkUA4Tt.95fbBLo2WK8gHtBkQYBsDefQKXdK52U3NoLtNMoyk2jgKczjKQPiaplspIpoqdaSJtd47HknS2MKr6HT0mBbitsR.XiaoEPfLz50LOKtJFWqslFOaIpHSuO9isCRhFQdIbvd1AADUf0dvhYyEqiWbxBGsp__fAb47LzGd9463bNY3fUDvjvAqiEf5bhb3Ixfyfw.oLgHhNWsEvl7jOEUeTCQXGUfBLyOiAkpifXEyyjizzkCXq3CcyE20OiyhrJgINvOOkT37uKZVJtThaO6I8TefdnSSZUkeKaR5Fi9Wl_f96Pe8Ewpz2zKigACeq8B3YqQ2jzGSniWiFkvnSVlzIT9hSVfMq9SkR8R1EVae9Y0zf12AomtUxW1fxiz_PFJkd_DRggcIHsw.jEBYqo8eK.um0M3tT.5kXK2Cln22og31Y4QawSycqZuwcR8Lkb9b2Et4lurKKhxPVgn2EsHcw35Qu_MO227n8ar_c3tr7C2BBLvSzIO.r11J.2rh0pZGHFTBgSeKjisSPc_5cSeJG76Epes4YIockMALOmhwSt6G6yxSCbZst1lZ7z4tVgC3.Na8lcEWp8hme5I5XlMgqTS211UBC7lPOnKvuQhTqh.5gL5ZZX2S_ZIzwOLu.CnDIVadIpSz1d4wgYuUvg3067Irk_z5Rz0NjfEfw3GVIKBg0nMusIprDfudl38ZelODamYj8d0I9EgV7YS9f6BdLN4MliML9hCzazqPhniUOPFXzUJizIzFOybaQ2RSRtlMurqZ6Yt11WGUFzuGohOqcqv0HeJw_sdPa8.xEur_7MKT_72bI8aDl2w_HhVh8ysVoug5RoNoLfEqsKG_uOoSbZvFqFoaiRUvkqaqFd7kyKNyPBeZ0WvnNqtMlH.HgJcPbrw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7ea6568f4d705';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\/4920867531?__cf_chl_rt_tk=sx81FYUsRasj4Z8Jf4GlwUyb73oSEblMPJr38HrNr3Y-1739146640-1.0.1.1-Ik2Qvft4gycp4ubRQZMYc4Sh8MNi1Ufyj2TNsXnNyWQ" + 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