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-251781916503.mit-edu.top/post/1042735896

  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-251781916503.mit-edu.top",cType: 'managed',cRay: '9110c9b53aa9c958',cH: 'MjE3gyZJw4.GFyc1xctAOStVSyAXE1jVsX5ZVuMVqHE-1739407445-1.2.1.1-JYr0oeMFIyUFbWG92oluikJvCYDw8cAikBiey.ex_3uO8hfmskOsJxkJEdXd5j98',cUPMDTk: "\/post\/1042735896?__cf_chl_tk=79QLjdMTRCo_mQZEJPbUJjrW0f3buWFQFBHS.aY78HY-1739407445-1.0.1.1-DR_pT_4Upx_.uS7An5cUUV5IDiV6MnpJUGK7sr5yngY",cFPWv: 'b',cITimeS: '1739407445',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1042735896?__cf_chl_f_tk=79QLjdMTRCo_mQZEJPbUJjrW0f3buWFQFBHS.aY78HY-1739407445-1.0.1.1-DR_pT_4Upx_.uS7An5cUUV5IDiV6MnpJUGK7sr5yngY",md: "gGQP3lqaogSTnHjJDvmGbbMBizNE1uEQ2YyZK.T5.kw-1739407445-1.2.1.1-bGS3Y9DpDyaTHxfRA4TRT0hkRvnxV3YJQOGUgw1BhHtXH9FlVdvk0Q1kPHvo_Tj73k1kJPR6eOI_izaNBzJo2FImJlw9MYxs.l5yh3W_UukT0vavAqoAxotP.ghpjT50kAEBkQ_7BgcvoJl4p9ZT5TXrKVxLV0jjSOHdkM9UCProVUmNqsbVGqwpIdUOuCYf.ePOCMA.mMDzZBqxc9VcIJdAN2ltyRJqYshmzhB1vkVlJATUHyYl2MPtiDrE2ebTUV1T.B9rSit.1uxEVsV5i8YPPoPl1dV9oBhet7J6bTD0ZE7wbNCNhbd5QLSx_YBUo4pANBwLefrdRAd3bjPSHKYiu53sjlmOeQJ_yF06cnmdDrj.1e985pBfRnLLf.Yk_TA6_8cS4AfzyjNq7oyOaiPbHGCweIc1f1ir3Ipyn9JgC_bjHV3vCo8RwO0rWJTEkNflrKzdc.bK_uAPqDjqIXzQKSlZZnfzbSNicBmWF920PydWZxjcMGvg36xOvt.tWQdp_ZV8nOHgbXurAnFS0VmNIllBtLcnc5wkJWz77nSj7GXn3_RfNUm10..3P.0b0trKkyXAkHGDmf1ue.EdAyc9zci63dElzLRnU4ssyEVt6U6jpQKFylKj4UgAULSchpylJ4lEboMSLKCRHG1MBUHsJ2ry78vSaYUv9J5NqmpJ97TMIF7dtxzByyIzxxkEYlurnYcOnbNc27XbM4Ycbj5eQfHkjYEUl_fyCwW3bX_oOTjbAkMYdu9sBYqm4tTkljbGw16Urj9a0DFH1bP7hsFkO5RVTsXyCQ_EUApRC7MsJZjzBEYaTWAP9MqR7JdEfrwaDkeh3SiiapLjY7HShWj_A7qhf5rcw9kU.yu4_9AsDtfXqjVdYUwW4aNBi_WByFycJkOXIyulcI3lyNIpr9qdWKTbKu6Fqipy1np5deLQdLzPIH5Ok4vhRhT8hpD2b_VcibCdw0702.uH6NwkV0kThM.08FPBeb2SLbjFliRgkEfCRK_iNr_K_q7QbK6RQs0zdBca9e0wok0KE3xLK8xKv6V0tEJeVDGysLxxc.AtWVnqHg_UdqqzN_3I2cwdwfdmZTn78neHzhxoN48uaq0BCWyGiRth0wWmNSOGely26GlwAUf1.PVNNP9SMylVb1jG6ugXRcsbW8jkgjBeGpDpJV5isZDY1j1.T23YjOOQqFNXpOMmlwZDiEG2WLxz0iJeLzLd1A7Z6jMTfFKMABlVUhEdjlFClpuz97eho73RbHjRunnG2S0B4Yz2j5eTqCKTPX4b4LSJul3WTs_TeTtWlOOq9iN3lXilDN4KXP9wPQe_OzwdU5zbAEiv0S6ke.kYoArRYDBcy1TGncTWXBPvljVSqaW5LUldRdJ1_nZKyCIBIuB8ZVEgLD6kTaCABOzLvV45KZA3UqbZ0pVFl41zdwZF0rQUHwa8pUuL1g.GC7NQ9mbjbpDfd7_xy5csfmtYkBWDh6zwgo5KB0qpMS4ufJs7iZaEiYIP9l1QK0aV9FSqLvXwumXFlLHzW1ePFkYnKRmXhkG74ubMaldfSqh3jXfuKh6JXDkg_WYn0i3.CoV6GTWvUPKlOqYl0xRtT9ES4q3GDb7zlDfLvEBcoo5g3TCT4N9mIFO2Pca78xocCTcXw9LS_c7jvg8koRxn1saNbre3Wmo8dx_YsHCmrJCKQyk6FFwZ5pdncxOI6CmulX7TYD5KcBUS64xRVuUvrgOECyuil8XriUyQ7vLKlxyovjrQTgeN_n3sCTG73Kk54lj25V_ofNkQHkriRSdWjxNkEWOVzHzcdJrZ.WFCGLGNMR4luuKzaq_aKVhx1R5nHdu5EuLgBf4QqBFNiaP7nEUxtNDRMey0TmPio8oRhHcETHLpoZBS4hXTnOJg_Kz76KISp6wF_R22R9BBcMnp3_HlzZ7mW3CTEg_iKSLNHmrtdXt0C12HT_w3BM8RJeyUlJefyZG4.haokQth4wQroLxfxQ1XaLgKcWpGkCcy1dd.d2TfWFKxrOehoeB97shWfLodTfRX3uTLo7RrMMe9ka7IhRkBZLvKY9HDMa9Lhe8Of8GYTKyzsdtIFVh0wylJoqBYQggeEopdVIJaIMqstROEizIhPpTEp6DdBI2_2ZU8Hqbc4fWR68E7Urx8xOGM39pTKeXVShRr8hVC9k_bJ4Um7vkASXxqWWUhu75AhGOIehvIA8up3W9g2pER4Erc7bMb1QAmzzUrHgVuR2Dt",mdrd: "QbTBKZ2xvaOiQa7PA.0OAumuQhUeIS9o2lrFSF6dm_g-1739407445-1.2.1.1-.4VMRSeWmjGfQNwafED7P.LvbMlsPsXOFIW0vtrJsynjMXgvMVwR4E5FnPzYP9Hf..eZd4b3m.y.wKd0VWlEoKrDr4.3.aSWncCUtnsNhqPwa7er94JL7xCsaus3yU2biDKMBl.sFiQnp1QgU9lPxQTZjsrb29.GjYC5qDUQOdXzL5NoNWiRssCfo2R6OfGqUFKtmPCB_SlZf5zqmMmEyl2JBx.qSSOgMDBp.WLkoxeUTpQxpm8A4JKm4hXWNWv4ygbebXAg0z8VhiE_4DdPHXlth90J5kQyLmuFFIepTxnU68uUUj66RuVNEN9BUQ7t3cJEP_0ChaMzc1pArCfQcD091P.8LnBOFWWRZVIy8kzobT2loCTMDcU8A8Z8Lgj0W0MN7eXA.CcGVCQJHlH3X1rY1IurpwSP5YiZICmyIzkpLdt2xe7OHf2m0Bpdu1_0NR9Ng87OB24X7DlL9YYajT6lbXzUQXsVcODYiz1xP0PxX2XaTqVkF_vazBHF8Oah8n42x0WG8cq9nnU9HbhRM30TFKsRH_n1bf.DjhQRwbkkiZwrL6fhB0TrkfW5vn5t3F.rwUhnhrYzNqAeoY84xXPbHbJXwshHoJs6ilaE5g9XDEtGf4vorP.D_g6MPLXI29efjWDc3rrGYHWjhsu617XFAHwveg9RkMKX9XZDkL4dYI6PGQ9qjrEMYp6KXHX6XNzhNWUtHskyNtceAQJ7bwJqFcwQ4GHLuCLsCvtX88G0GUHyNb34v1zfxouXA6PT61vQQK_erWOHF.UB.I8G9zkdGXdiwUme6cBYJukOIVSu_uSHGI34aIdcRBotbfc4iFd3rotuyQCO2v84eLFMmuF7P1Gg3cOxoI6AAp260ypNmOxoIB1iEqR3Leu5Q8xBI58IweFY9iUMRWYrm9SdPJODXvi_iLuVEFcibJYIoI9W6v4IK2eVjlkatAfI9h8PY_dly9NCE5aNCbA_DJfwKDOenCb484v9zqtiUprFYvyS8JfemiLIT1Qho3qQxG8v0V2zugfq2L3SYErssT_F9zzeFLWL6MYlu0tsKVaWeo6Fmb2Njg7q8VGRDNzX5vTJF5O7X400pTZXQM13OD8pR8g3dzEGFZlQVZ_lV_S0E5KkUSpbURURzmqPLNpu4QiutotI1Br1NGhf6T5eqVYqo0zLLtMErW5DYoSFYJojaGWejLqxmO7B798FWzLRgf_jsIAG4f0FI0kwWLlF3GO40gIwhCXhyxvCLufI2pKqIBL5UdcTMN6a9jmY6bH8y5.DXpX3TjLQ1BoShKv6iXMsR9den4JB01zLnvBvUaqlqXy9ixZhshwzzsG3LsqALNoQhhWRy0nb3HIHDRM2d2pFXj4xcNZ6It4XNobMs4Ffnx1cAKmtnztmGq1U262OxpcWT9Y7IkbntZmPSYj0DzM2iALm99q0vL7wRR9nSH.Si2h2ghUgmANaEWw5g.ntpZeqtCxNH7p5mWh.mF.pUk0iJO6QHJ8zJtVyxFOwB7Ay0.UlC7Ez3v.o4EkeoL_B3OKw3cYid9.CV1FOHR52KbDteXZT6iWvdZvcoXS1Cqkd9H7Xm0tpa3JR.GjdWqfIny5f71Vk8sK9GcY8kLzwGAe9LdxlFiTakdyVg9SX6GvWZ1x51FgSjSP5FdPiuke6gIEUrmBDIVKdPfFXW.WdnNXNkJliNiwtF5STlJJqUiElIbsGaBmxWneMVK4AhkD3hhwdilQHDh4O0_YhspEEqrurQyH2B4LI_1pc7F9l_EcXbAuYWl7alak2kD9BM88Wzfo4rbcqZtV6Lg6GqDzMdd8rWg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110c9b53aa9c958';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\/1042735896?__cf_chl_rt_tk=79QLjdMTRCo_mQZEJPbUJjrW0f3buWFQFBHS.aY78HY-1739407445-1.0.1.1-DR_pT_4Upx_.uS7An5cUUV5IDiV6MnpJUGK7sr5yngY" + 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