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-687492558078.mit-edu.top/post/4169725803

  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-687492558078.mit-edu.top",cType: 'managed',cRay: '9110464a0d70d6c7',cH: 'L25XgCh0r6j1ifa4TUkfg8MZPVoOWtx28eQP.c24RZA-1739402062-1.2.1.1-SdVDMMeFiWER6B7qC_pHsQvaPxFd2RXVIK85ZmBXNeRE4NRNCR78tUId8UXXqXRB',cUPMDTk: "\/post\/4169725803?__cf_chl_tk=2ZzoIBvJg.SQevgumGraPyPnAM19JkL52pCRhBRT_iE-1739402062-1.0.1.1-YeiKDpJwnIed4PTN3G8rfIHfcWFihtzNdamzZXSkeL8",cFPWv: 'b',cITimeS: '1739402062',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4169725803?__cf_chl_f_tk=2ZzoIBvJg.SQevgumGraPyPnAM19JkL52pCRhBRT_iE-1739402062-1.0.1.1-YeiKDpJwnIed4PTN3G8rfIHfcWFihtzNdamzZXSkeL8",md: "l_eR7CtJW5YJcAPC1gYOtwIEwS90imT23XtQ7uzgv78-1739402062-1.2.1.1-5iPDewtzFnWq7D3l5ID2VsVOD4zUdJ0F8erc1YeswyzUauSDaoCzkwfGGdC6.W9Ka4_tsN9sFY6SQsktD9JoC5_GbTsC0JoRAET3lGRQx4JGNL.SXKZSW.NhCjwWMgqcC7n4Zr14X96cODl0bF6xbmJk_vYnvCbpg6XQI6jI6yoUTP07Bh91xlJxwe_T_mwQGRNUi936rpC5KzgW9tq88CFcDevH5QTfaChHxnDK.o6a3wG61rLyIPmpAHLgj1xyO2BBRaUHu4HLDoSAZAD_38_go6dc7nnklqn71qw3ov5QPVhxgnP7ARJq_hFVhcXMt_firMjWrVBLy8OKAQJ8xqxJpji9oi1bWzAcmNo2tZSKTBeH3F4AGXu5iwGpbiqLWNbrAOylEw_qtq8iPJDsIP71Q4wC0ApZFeCkzsamXS8vcDfPi5OCt7ExRp.wKY28EskR77G09Sm_Q3zjT56m9SZAC9LIZgYkAU4Og1XWi5xcTVNCzttxLQsqaJa4X6qXpdcvV0RsF3Tamr35ZXYNrWqmqQOmKOEL8M9pwbGrvuLGA5KM5Zsb.JQnNtE8OgD5rJaUsvOBguoTC7GkoEzEAZMTgtQby8r5Dr8Ixg8sJv0enhrOToC4RIqXlbM9vUHzdRrKm7OJvXOWjjdHJLZAsG4y5Czf6y9NsdPojeou93CsOBtwSQm0sYEWaVD5CuVGp2rCXefr9kbJORKGcagwJJ2uMekWAAO4pgd2.AfQdl5Rm1DmsP30cBJmMNxVcE7NE95USPnQd7dPGQeO0n19bqio7sjR865y8z0ZZ9TFlWTk4XZPBhj8o5rZoxOq9hodyVO.aVO0tu7KWLlVOwRWn.FIltRdzL4OkZnw8MvFIEhWrQGwqZaxLSW8MCwTKLMRgKXU9.IEZ.k0GCWdMSdYvxf1.KuVXtNRVDF8ZzTNuE9imv5vY7JI00YLuEFuwmv2mre8nVURtJGD0_mPADRkVV8_jikr_RjpwQo491peiUiee1sckaVn2k_ecnCXsu4wG_MfTtfGkz5Oe1aSNVkWQPfoPMr4pDTa9J5fJhBkW2T7_DoZGmW.g0Nq1k3K3gccU_8eGLNiZK_inYJZCnwqZDznf8xBJLxoMbMzu1ro3xUsossAwtD51CF67ah7yl8nOtsR.7Ic1g0D7lzfdB4LexIfGTvQ0G_FhkI0hIis_SOKpFGuyD8mMG7Jh_53c9DnSq4U1ZWJxcUOYrPTt04ic4b_QnbVpCzdBza03TrWuyGOxA4CPwpWLSuat6pdyWXemSb3IK0fLhJhCzxuOYz2zqoe0LzBUxicW9Ek01oOMkmXXzGfAgjUyxGSgOo.ZKzwjZMe9Tx2p8dpSiIm1OvWnpRRseX2I7Hz76BjFYoV59AU1.ZQQJV40gq9PmM4OIQURHP1FxSZb4k2nmgHiFELInr8d0XmHTbG3nDNCWSO5cjccd91AY1UR3VyS1JteJMIVo968w2MZ4kH6aLpHsMWVkRP4VvIFuV0Jn.mdDCC3nEa_iCXs9fWDvsXxSTX3m3bTkUx5mLIPZ8cit6Zmmx6GodNMoDAFvIhhibIrBaK2a6UxDPKCOuilH7FAntVCKugnMEVmJHKgJ4mDtHwgs0tFAQILqzoqjDT6zWxXKVpSMAtHmCaAHDSvVBrng4WHU3LjLjlkRxq6GmTcl8TFqSa_aq4XRo5Gx1Z.wzw767t.A4NfYjZ2AqMoxMkGj.v_e9zIZrrcL4mud9nWMvJH1CoNtKt6.ymrvfGgzjM2TdNRnFoEwRZpon.tutiDxVqmBw.zyK2X_fQ0r01jtz3z8lVOacVlLEHcQ53ZOAJ6SNyHFJ63k3m9T.nzuuQN8j3EbdbZB9M0IlBfuO6PIkPx1lkkUC5OGiv7Vn0Lr.IhoHG1Yh.3STZ9PE4FS9bfG1xN23W_eGpNJTknyT1uqui_Rn_jkwaHSFVbFeRaETaOv_Zb5e1xoNFHDPc2MizgLJKpxGwOHGmuBS_B_RA8NQGg2oc7rPVTQa8xBt8bgtXM4hU.TAHM6JFHfpiJEeUKF4nykLowsAhDEuZCLt370nbe8MkCvIBCv8S.7DDnPLTFk9LLKGGCkfs5Sq_pTl4R.33A1JlXf7I.SvNKQ8BHz8Hot4zTwB72XvyJPGRX4JXFk2DrzW65HQhv20MYjCkH61E8fZkKMnB0wD6RGrt8YZR_zMlmwZzTWsLmbk6Duxj9_39Oo57Zt4Z1cP6X73QyhHLthKJ",mdrd: "qeWXAVdwOwRqJVSwsKTkZMpiIeveCzq1ndl7Yzyo9.8-1739402062-1.2.1.1-B8uSX9r_yOFai8WgDMVWDAaFUuLTn6h.guRt1lloJhjnxqYNRJ8zxSzdfa45qw7MtVRLH3jYLj.z0S098dRbFFOFQmQ5agq4Mg4Nxt_rc0YEajVXzK2HpJBmtNDerw9aPPsdI3fq7v9Qa4Bx0bU8ZOdeMIpcFeKy6bLrD5lKYcevcmt3gcdWhPzBXWgjrtKkbVdK21gi9Cb4VNWGyOrDxB0_9bPnQ3daL6pe1Z7ZLNoj3wHwY5Nes_3pXD7prnwkK_BNCSCDVRp1ntCnQATOzZkigpr4up8WR26Zz_cPzA1w5tBq1981HgQFo6A5mxmOi3O89VRnEJz4loWuXMq_EE3H5VXaNv94raD9g7bMiFsHdqu9tq8FKySnUfBngtk1x0fim9NQDATq1uNVJP69rb0kIcjT4PWyuGk1veYkhDgedben3D7Qed7JJURR.OWwu9cGOgLe7T0SvSE8.tCZWOiDRsacIPfrGSuX3PBo_bYVDCtgw66TmzV0pcXaN.v1YDd.pI9fGwFGPixZesOY9pOLpnxOzjcnVAj_xwO4DdcbMXvVd.Cxz0FiEHzvSRM3EBl3neLIwvunYWVAJjlincGIOe5S8d_N4uO18pp4xTG.H3zeWIpmqEdWzxHbduhw9E1ZtESk5yxeilh2qDxC1EHV6pQ.zFvLRU6qM0csd_50RSfuQ06HeOJppfZ8Yl9mg5YtLpmXghkTA5N62_N6ZKlWI4OfxigBkElLFDUmV6deaWUQZBxN_j4zbeIykkcX5fxRJcYjyXkDrBqaPRWuOgPPwJ38_Vs1mRvOwgshpBxwv5EeOTV.Z0xwMG9P8K3VQNbkpxf9t47bx6IkdWNabNLWWnd.uJsy3Abeq6Qcg_e6GPSSzTMj4znq8TYTnEtitczKKVBNowQjTc689mUiEns2MKaiGUnFMu3EyKcf1LDykSYHcQsJQitoMG7bu1._KxrwE9EtuHBeymrO5rJTY2X0nbNz62OzClAMmNcySHsMPo2sf0O7Qa9t33wyyyr8ZyoIk5AXhSU780xNQ4EYa8ygIz2ljiSr0a6fXND7uYTNhHXnwMWiTk0njHQlaIZvKngjJApVQUnVUfQTZCOU3xH4vrs9WZXKecr9gZyfJTY0wpkfjAbXNmwv1wkTE2CgczZDZpf3I2U7s0OroWapWSjqfp_xv6JzYn2ErM7zVs156Ik.JEPeGs2NBHeYtLnh1flVPDSO_9jZh3T_Z3gbAMw5NvmVy8Kw3MyLWDQdxugPaQxxbdX0NP2UKsv8iJMCcxLXpOraUQzfnSzzIOf4H5lyAIip8yY7qPTKnjA51OwTIe13wV6G9DgM3y0r6MDKYlJwDb3TLFvWnhGlODhIA9EvLKNJSPgPGX0_d9XLY_c5.eL2rsJSyIhpxZTcA_ne1RE0XvLsdS87zwAywMGkDYOejUyWa7BOhusYDkZlZeTcVP33KPYbYjhQbk.9b.vfFKJ_Q4kl_5pQWCZY4vcAW5DdZOIW4rvH90Yhm423T9nj1rif8NWSZi0HkVis58mOtyBfM8qVtcm.KCQ4z39viKzsqk5FcIWBiiOt2Cddi13sTAjrMlCC.Fa2wZMwq5raFobUf7718VLl6H2MIAidL6lVJ1saFsI5vFVAMxuV2h38UV60XXhqzngWhBDZdieFxJMoCtnEz5bP73Y4DYuuLB4KkJgrHaSKECwH3kvogpGZXkgLpV7ufuh99SZSGUsZ_FnU67CCQa69X8x9kJKmghat2P6m4eqiw540yH4N1_2Bm9LZh_2A3SHNyyQGUTnTMg8efGx33J4hbhsq0Ks5jcGwcsjZZItppKLDYKbeDtpJwt53qAAvjy8BXAPKJTTt"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110464a0d70d6c7';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\/4169725803?__cf_chl_rt_tk=2ZzoIBvJg.SQevgumGraPyPnAM19JkL52pCRhBRT_iE-1739402062-1.0.1.1-YeiKDpJwnIed4PTN3G8rfIHfcWFihtzNdamzZXSkeL8" + 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