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-784981393538.mit-edu.top/post/5294361870

  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: "blog-784981393538.mit-edu.top",cType: 'managed',cRay: '910f8c847ba0dda7',cH: 'RVP5Ig5Dns6NbUhMKOdycyddRHyduw9zec.TAbCuDW0-1739394453-1.2.1.1-VtSczCygeD.Byt5x5XyX7sswcUiW6GT32zx31fgRbfkOTASlClaC6bWGSeov0V_W',cUPMDTk: "\/post\/5294361870?__cf_chl_tk=wYeLJm.yfDgvvpB0sHiKEQ33f_Z0bc_hMXrqI8KwaDo-1739394453-1.0.1.1-3IKgmkFAt35N35vYR0tQ0.wld3CKfAIQR3ktxZtgdfg",cFPWv: 'b',cITimeS: '1739394453',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5294361870?__cf_chl_f_tk=wYeLJm.yfDgvvpB0sHiKEQ33f_Z0bc_hMXrqI8KwaDo-1739394453-1.0.1.1-3IKgmkFAt35N35vYR0tQ0.wld3CKfAIQR3ktxZtgdfg",md: "sAD2vGpVCwUWuLgOGytoh_7SikoRtDAdfXzml3QxuXc-1739394453-1.2.1.1-X6mbH76w1cVZO2Lb9BGHSe93fCs.Vf5Y5K.jpvjYD2rBGoCOymnLm1xqu99sLLCGai8hPA8ekqcS2UXe0dvF3iufqMOc20V_KTfq3ZcxAqQIeq48wPHBbke6.x4_i2E9ZDt6H5J2O01dG_eCl1jXQNEzFlaDGyoaH7gN.BCWi7LDSh_O8i5XV_LhCCqCQWYRpaXKbJXkOWdatTNgdm3yPzItgoCOBjOiyR8BOMbJuYi54rHqupNdpbcnbSDawjwMdbII7CY96r4mN_5zFnG4iL47d1d8tf70fNKIUHSi.ORBk8QU1U_rae0SOZLXy.MG367q7uL41c1sXZUDCp2c9R.HSfKSVOC2NSd2ncBjXCCfNECCqJK_cs2C.UWPIZYXZlLUXu3mUxA6MxlAwcO8TW_cvWRr7xvQTchWIkuuPOWg6c9.v.Zp4Q5aAddVw3weoRq18gzvbifXGvzfyUC_ovpxA4kWmgvZPfJsnqH4VuiH49F8WJgWltYUPr2qLjRlQYb2YUj5H4CBJ52r01c0LI3LGUPIm4WylIXp9ysqH4wYq_hbA0GsISVVBjLZZtWcbAuKFo1lQqut50z4Yjz2vzQsVNR27s9.OmAM_stLfMC8GwyVrJMGOwyXj.j7noVvfy8ruq1P1LeKHt_RGtqtbaDHt4WXutd4dynrOAJvttYAGvn.NlwVILn3IrGT3.p2gnBz2uZxLgf5heiWo8.fGTcjTp67QbEo.zabcPPNqSRDVtqdwV5HfffrzouNa4T.V_cVcsYxylt2R1AlgMhVdy_.nzhjdaq3SHxi5FV6POLvReUYZjjyCfzZDQmOMviEsI2tjVFdEmUFz0_YznKZMacPtNk16nUvWAZpmUk8tfNntpZUBDPl0P9EeKO6Y9U0LVR34X4Js3u233JbNYyiEyR0qXaCps.jW..dPlbaSQaJplylVPyxXF.Srtb24e8PW6501Stc8vqVw_Qi.E2W0UoLGZrzFgybKyM4PD.Sn7TfA8GGqEFJTXNnyMGY5RyFNRFWqvsMalibuDUVKLEauYhN.1bxICLg9_5Kb1F74.lssvdJt5MlFC66N0AFEFR0YDK0Ad3uO2Eijh2PYLlaLf54K8crPgunCMy6IXzv82mFcNg1vv8JVKPD2vTlSUk7XytAZdWkreGkrLqxvWpyfdA3jgUrQz16ZSTeX8BlpD5exQqtG8I7ZbX93KXX_GBIB.YdHDCX8YKlib_xqCju80b1k8vBTvbHnKwiXqGIuWeAnGrrJOyhBlc7LvXDK5hVsrhHR2OAzYGuKLpNGbm1NkTf0wxXQvPaVZr1N95LF_aERqCsIQVN9rN1jKQu3TlV4rVp3zT_pkFHvRW3XIvjiyB1JK7RU2rBlOEu4843cqsS06dHw5s955dyqaSpSwM1jffW1RVYsxJyOBN5gEZHNh6qXkTg_VMc9lCtZzAiJy3xYVal6DmRgJQTLfOEpJT9BIX8qRfsX4Zk4jqhw6exYOyhLqaklEYMT9Csk2o2.MA.X_wyeHL.ynp3hLdCw1SAuwmleMcXCr4Bio5qC1sJLqFvmde0SSVb4ZuuwW4rkd4URV0bHdV0X6wiHGIHQWKKUo04RQmzWvbiINFiSrL5PHKiiHBLe154XbwLOrC34ZaWGWnTgMBcoUmJmDpdpuHSoXjOeNiyTOdNBQMx7JgxvfbeUW.2eBVO0ZhQHoOXRIQMwnjNA0KsPFtdxnmCkEqbtcoIkfBCIbyi_l1EYPPvPIpHf7.km4SLY2etoLG.gDJ.p7CevDXO4NOFqN5pnE_TAX8PKK5tDk6dX7jPTeG3_yx8LA2jX4mLyxuURRztz1A33vzL36j.3k4xcXf0zZ_8Ajd0RMfl2PXPGavR7X49hq1eJ3Qn_83DtQT6skCUxfPreOY5GHmwhveIBs8U0hkUYRbFHK4ZqXGsoNqFpH0vYSLYP5cM6SPzDrd2pkfQs8_g653QlbQ8E8.ePGL2BKGEI4CLdY6F.EOOAyqQSob.fcs4eTH21uH7T2VknY1ySr5x1BP2gnxJqqC6RLdPQwsgDb27WD5wMZR2GXgOj5oKGvNnHcDmhSmTKfKaHN9SZ6MiBPrI7KLW5tMvTDK3HMkNrpXWn9nAsiFkxGLTt5h2vYH_jt_HaNQM0kmAIsJfK0oWg1zN6dVHIyET4RZ_Dyj.9k1jszkxw9umPX9F4LPVy6Df_3xqppP5qSzJiadng8JlQk73eNVxtLAYpvsAVFoi",mdrd: "9uxOY5aoWpPvt_eDQQpuJlSg1zWF7LUufQr_4RjiBrA-1739394453-1.2.1.1-.KrNYPHVyZ2knarOO8qxURkrbA0vF8gXyZshSDtJjMVyPgUp_CeK93VyLCLYofFMqQe.skXw6zrEonB650LUhCH7iiUphEFihQkk8w_o8EOqmJbp63ayMwn4SzIW1IIP_fJwnii5UiH5oHAQ2xJWltpKD2lAFc.y98jXeX0L38m0gkklpRSpP3ygFegeLaX2KBBx5Dz5ygxUh7bJi2qmbprk6s6tkNtQhawKFb1gOQRl2xdcnE1d6xR3YV9JaA9ONwCfy84xzMSpS3WEMLsbVRdclwvr6ITIbHbUcp2qGu2MwnhWpiNLwRvq8I9anGDKSTzztE2xR0AabACNNct8boGFO.ML2uW2bQTDx3GvF98G0_oplBz6hJaY.oWSjRMKS1mbguhumAp_JapMYJbnxY6hbStY4IkTYSF4MgRFDzIMhsYNavddY.75Y8NpHp5rEpbUmAI7kYr05xBdOTbY1G7GNdmnGf_ZE3j0_blQPcmsghIiBuStOOk6vhtoRwsJDYe0C44WTwBfcSwjIuW1I.ihpkIBhsrgEmAr2hWtKhqnn_0XrqrnHNsBbRm_etqFVdUncdCfIezc5OF_1Uq3qYDHCxZ5174phfAwxAzzRGKCdjQE68XdbuKatp5sdIowgDLc2lh3Pd9QhKtR8IMPCsTGq0L2vJz48LljlaVUn0QTxBetG_Jo.UegItQaF_N5A8FQKuyk3l6QpiipW0NwLQMpEhCBiIJyN.lD8TGqWecdy.cKN0qDoELiKlHA9RqpY6Hf.t9U_U5sEHHEPxhp8NNvFr1DWWxfqwcjB2Q2JJKlBcWJwBomDSu22UamQTXXujysFNwMAajfcLgIIn9xKaiqC_FxlmQl8CVeDzuhs3W9onwuXjcwMei7wMIlEBcBzZl2vmyV9xqmjF646MiCLwXyrNLuJSG50Migjt0FXSCrX15Rtj2RGkTcI18c0e6mt9cIjBqaBstz.b4T7pjQDGOehNSGITTlfnafQKOh4FXBzxWpeicRZDm_sBuZ4JzX3w6oDwQWmixOJ3.gk1AXmTRu8b3zqoZWcM.YEgHmMHBojbUaUTh.ImDiujVPhf0d5DR.qLByIXnfugutZN71cNUXTdQwcSZ46a.1vXNjccChzqy4T1YaNx8ZemwnoLZdBnJwpdG2nTWTSStcHVDrm_nYmU_FBmYwLfp7TuF7L4mohbii1IfVa0OHGX1UXK8qp01g5SxAcX7ddQmzvEp_moILICW0dPZAU6rrBsMJlWA_JCqMpidIpD5MOTt.bzuCzauoKdfl7.A946SEklCBPZNOrmGYWTio_bdzWBBi.45o8SKwNpFJeg3ACpGQ4sjU0wnlRx3u0msDr4Ptcm66tiUscMfYP44hRfSY.NbluSpdBqvxqpyn0EJlh_TYsAr3TzwCoIW4fJwQ.vb204VoFQ_MqPXazXtBLNVW5f66SqyaFUY6DLE7X_OJFDxhdRQRdno5iZIjJW8Ygxsnd0xK4tVHQvmBDWgc1jM77mx9Dnm8GFTGiY7gG7IPPcfiNynkFi2Z3nDjGAOMOkn1c3qFliVRlOPCugfJnZqjHaMJTVuAUkXzpNKpd6ePKGYmXnAbHxXnN.vknGcj9yDjBsh9DOyXXKD_X7UfKhZN0u.jogufhzQEF0euFDo9MZcr9MyqmOcgwsX53HRpUCwGDJxWhMzf98AS2FoQ5UxtAqaHBxFszxANvfmzhXaBNxcRwTbYs8Hp_qscZsO_C._Qx6R45EUnO.AeDUp6_tqUZLEMTCljjOcR5SI55OE0ZiURS9Kw0tnKNIjf9DG5YzTMfuvDdKGYdx4WPaWfPUbQ05WLSdg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f8c847ba0dda7';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\/5294361870?__cf_chl_rt_tk=wYeLJm.yfDgvvpB0sHiKEQ33f_Z0bc_hMXrqI8KwaDo-1739394453-1.0.1.1-3IKgmkFAt35N35vYR0tQ0.wld3CKfAIQR3ktxZtgdfg" + 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