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-686358609429.mit-edu.top/post/4039826751

  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-686358609429.mit-edu.top",cType: 'managed',cRay: '90f8155badc2c942',cH: 'UbiH2vUNowuxEViHZjJiPuV5ibnc8VId9zTukFbxK2M-1739148399-1.2.1.1-L_.y00zH_HTS89nSSf9ZY8tFkOt_bB1pTa9tHva.aSEYyyogYOKCfpWUfZo0N7r3',cUPMDTk: "\/post\/4039826751?__cf_chl_tk=lEt_ltozQlw72c2iQYQYV8GXmVFpx0A6h8prs18uy48-1739148399-1.0.1.1-TFMwUMqt1xEQAuYzuccWwODx.kBf44CNYqNi_MInZEk",cFPWv: 'g',cITimeS: '1739148399',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4039826751?__cf_chl_f_tk=lEt_ltozQlw72c2iQYQYV8GXmVFpx0A6h8prs18uy48-1739148399-1.0.1.1-TFMwUMqt1xEQAuYzuccWwODx.kBf44CNYqNi_MInZEk",md: "VuHg23gOtSnaW3ooD6hCpfNJjIqbLybHR0rzKGcUuvA-1739148399-1.2.1.1-gvPcPRAY65IeXNmW6XKyGJjq3cmKMEVI3UdbEGOLkcy9MirK8eFeerFL9EBjD4FJr.zEds7MuA76o4luAvoJv82KLrdNZyJHdxW4mx8KvydYwMHillvMkoYrY2MVfI6F2Eql5RfQ876WGdChN56Yyj4O7ZGuQjQJ42rn_FGwWOPXcluqIXrbWABY.Ey7wbXKeHnEHXPkYNrlCloxiOEFnz9f1ZmK7OpaByuFKwhllx8YbKGzeiQpPMSt1RGXJFjXJj39FCnXwfn3FWtgx7q7o8G0Gpnd27mQ77imW2A_ZNVd6hU.f7c917hIKfATccEQkW1B6nMphRD66Tt6p0u5YXqW_75berWZlTkTuwav_1tCGQcKdWtcss7vHo5RsAyrK8Wl4fX8zLQwt9.duQyIWDKa10yzfPy55E1NlDD53XqgJNgk5ICARL_tseUmMZ_UdaFkaAcBhG0du4fr7L42YUec3vFJRoegj.FCzQtu7I8dEjleeBqnIO1UEMsmDIUur.ikQei6Wp6hAGmX_CoWpHsk8S1mNlA_1vy2EJAZCAxK4tTJKnCK3gNFmad_0Bs_9qqZ5Xo837VLDIfRw2zUTg5Aa1XqJvgTEWiy7cPypHGDjz6T6ClcrhAWPOYXeXuf24w8hAsy.plowwDiFkE546tpbOHAP5LWw_ldm.FNozDLqhEXjMwozy2B_fMjxE20gO63KbnuP2LLcpdqRE9oMP0TPGyfQxOFy_eBRjkhHHFhglnAhVfFsXkBVRgW.rzA.HDh3E6L4ATvjCHNa7FEcfbajFr9uBvGh.6SobptJdlJJWRbkLnOZiaEE8Mk1HQQax5cQxuqQuWvGilG5CsRbSbPut61ru9sbGo95QTpcxt3fwdwsfSESWxkWvGSefnJiPMyr10aQ1vuUGOtauk43VdTQuYED3A4RNGPuCMxKNKvYpnAZVEgxFZy_vL4otXbsxEMc9mONlJNluJtL8aGQ5jM6qgIfvMHpUjn.XQBiNfnb_P32ySRAh1hJ01bhMleGDQFAtz4aB8FXTJmAeG69d8VywOtAQ_Sal5DvfZGc7f0UK16DfzplZOW3iTbFoGbzxsXc9mj1OmGAo7m1ndvaHHq8PLrYF0g0k12S53dkhJHnoWTEpTxOxAyDZIob1hIWEDOzNwYvz2rk7XSXgBSsJ9y0rf174iFYBwdwYEu08uyh3BGwOblWZf1pGhWQHVIV8DZ2IFrmT4WPgEIyM.L1ZtnhJbTev0m97vk0RQywINkFyQL9r1625EBOEmW8fYY01FT0COOByXICvbHhHS9zDSg9jhKdALjjEXm_4eLvfAk5TPN9lz.ftEqB7eNgNbBXBkd_qLatIbyOFU75SdOI7oWUc3QjXs9g36LMabWHoE3NMIMZ7oYV2P7zD.BxG6YAUAhWx_Q0mr0hJMuadeWdX7.Ylz4F4Dz8sznVXgVLV3WUnvUaVPy7.UAGIf7o203gqq7my3laUFQqVSOsqLX.awPa2vdKz3CZ.Tmh6BNY61z6zt.XpPN4_BHId0GaTVlGpXBJR8MT2Yz7N9WIjTkgcs46my4pbZphiui0B36wW1WZir1Sb2EdkKG7VrRIJtGYQDKntuG01zdm.ljk1Juoj0GnnwSx1kpGNQv8GU6_8Nlm4Qxr9VsidbL88vHCDmkq.zIuSgyV7RkU_uGW7kEKYqejlZER6SrpJvhxjKr1Xl7XAC.MDoTXV4oFsc0XKc_DyQkcb.wtjAY1X1twSQVUJKCdvBwOl9Uabz8YA8i7v56wbB9TwWpskk2a_DivZMW2MVBP0frgvfQKHhSk2WMMkgJmkgYrM92tRZXGcNWILvSKj2YEqNxq5wM6tT5ZpvyySd5qvZivxvvTPqu9CRfhoxrp1AjlPa71R9bdpMAfSkT8kDwUjTjGrV_a0GH.0BVDT0a0HYxrr060yGdiTNcNUR9YdC0RhzRTod5cBnBcH43kNT0gonPye3J1bTxhxKM430nMEydc1RapnoZ6CBOk38KWZpKS5S.A7k_.wlzX8r.kQDCM.ay0TfyMF11SsaTd2blOLz2z4TIV8_DWETqaiWhGk10TzUBcLSB64pi01JoVgK4DyImkHstoCpqi2IH31cCXfqiU3rfRWjz3pjurJ1fQv0FoH7vewaDbrtBumBaObjkE87t5RvwvwU4e5SjdKmEl1yeBMD6e2MbDmw0EYJr9oxe3uIOugEQjD8.033J26cUDq_DCuiDJqHdQ6kn",mdrd: "TRICVPg5iuX2z9R77vWyJn.v9P7GkMuuUnPU7F.iDsI-1739148399-1.2.1.1-BhsQsH4Ph3WEZ9Gx0RWT0QEHUaQvRozwuCaNQWUMBX9KxTXiHmm6jPldwseUTDxiZ8_VfiRMNsNjN4LjQvw31JOwUZB.zRA8tHHyewl6O0my.X7G1yjM2VlnaxiTdKOt0tIMvI_5P4Ow68sDFTTQh1FS3y2Txu.CLRvBMaAzzlsGMUtl.ArA8HmO33wkWTnF9q2hLD7VATqeDlURDrUcABUZj5bOKi08PeQpPZredYg.OiiG4Fk72AuXvLYWePKFVx_b6UWtQ4ZtJV_rxpH8fhPVFLOp4PqIqaJnxJ6f7o4_B8I7GgX2j_taR_140jU4DAbIA2SgmOMhNwBJOt6hYwZUg6svWnhdpVyFyBTmfasXNFOxe0TCTRgHI6CSAGCTeZ5TMG2O3t0H2YaL2K51w7CZjUpprHE41Mn0YURSkZuVxeFRaVFRX2ADsaasI9FxdUHHMbF_QpkIzZ07n2ci.ajblDY2vk5XmCHqc..DyEZL_fnE05Mh7NqZmOD.vHh8FzZSx7SiiVl5gMgmd_g5l4AFECB5Ik_x2Jo2ImsIoWgMNBp4nrhbGRWxfZ6epLcmr6IQ0vgG0N40t3x2Gd4xeDDmMVdRzDpNN7yxUU.Xx_MOffnthfx_16a54ZnPQ9UNDM66xCpSpWw6yGIbwKoPBxCeyC2k4VGu0OMl4xZyIj3_YYT5nN81XYpHqon6GnbxWGsN5krAC2n3_S2doQfDtQnbOnz_r0KO4CnEkfsSzj4a8jSOJjwD2iIveLiQZ7gVq8czuY__OwWqMIEMEbwTbitMOJl9QZx_fscvtd_K5CAap2E.GXgnYABxxicnps5BSJohOrkD8pQuIvx3vJkfEfjLY1f79dTIv.B3PgRmDLTLjOb10hkH_HJtDloaZtlZENorkY0Zu1h1wq81snB_cfxPUgsssQPwxALElN5bh6FkukpWXk5mzNE4xSAOLufkdwiMBBdvDuw0NToylHFA7p3fnSbDcBN.dN7_NbD1kxxOzqRzukntEr2W9faMnts692BkhnIzpRbIRqSImhTK.121zB__Yb2wD5n8BrbLvxsShCVNn5ToZ1Shu_ytyGGhx9tAUnuWpjEyGwGOngZ5DJxKEim8rUpQvOfWngTJApzJHAOUV27NL3znYGDgUgRCIhUxahvParswMU2_RUMUccuSaadz3Gw1OeKLbo69_9LfwLPjbcD3mByg2cMn2W2zdiSu5Ejk36mDRa482ZOhd4zRGSmkD.vmjp177R67p8yL5ly93bE5jJRqr24jfxuD.kt3oYaDaO591tdXEQQPmA2Mn.5eQGu8xTOKVBBS_hrcgTpaOzfRQ4Xg1OAGo243B31Rrs0WrGetYsGGtDhdqsBmDZSOcRcr9XWPucSYM9rrchEaouBljxR9LeftPTCel2JZy12ua6VbqyFLqdrkrxFKpMk5opcdvuTfRIoNWIA_o7f1ZlFgF3uwC4d1p93Ed6gsAOXvgewyUfcHjUmpb0Wio0FwT_zxWvLznxS6EjmlgzrTndOkjnF3iH5pQyFtAMG48BIq8O6ue_PaZfsGOtZFdIuqr36X2v9IXB6.AWtAIWXXvDGOL.kFuZwlQxaJPSMibAANinqCSvFty.b5VkSgD1BNi9e91D48gxMK0OyRv6jjHEKGZkbBY0wpvJ2sFOE4EYWqmBegJGicHIIELymRJm_aJPFsAlUduemxT_STxuwm.SQtP2uaV9dhovOdx34F3o141DDGj44hFMmFAhFNO.K2ZefUJEj6AYWTLOe3mQwZwrEg5e4iRvx8Iqqt.aRAYzOkKgktLtlPNedR0g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f8155badc2c942';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\/4039826751?__cf_chl_rt_tk=lEt_ltozQlw72c2iQYQYV8GXmVFpx0A6h8prs18uy48-1739148399-1.0.1.1-TFMwUMqt1xEQAuYzuccWwODx.kBf44CNYqNi_MInZEk" + 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