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-780969481013.mit-edu.top/post/5872690341

  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-780969481013.mit-edu.top",cType: 'managed',cRay: '90f5f16a6e2fc9b5',cH: 'HhmSv30Pmfk0FbEa0lZq9yRm01aDPSNuk39zzSCVHNw-1739125956-1.2.1.1-Jd00rUQF4N9JXDbEmYJQDP5OhvGMbjp65jc.hBAwdIFAuFoG03LSuEEnWq2H6cex',cUPMDTk: "\/post\/5872690341?__cf_chl_tk=gklyAoX8zqX9p5dY0F5J5Nu6MG4F7geUGjhYYBRiAOs-1739125956-1.0.1.1-hnV5i34jz6TcPMIUtg67U9yhhQj_AakpiG70XyDe6Jg",cFPWv: 'g',cITimeS: '1739125956',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5872690341?__cf_chl_f_tk=gklyAoX8zqX9p5dY0F5J5Nu6MG4F7geUGjhYYBRiAOs-1739125956-1.0.1.1-hnV5i34jz6TcPMIUtg67U9yhhQj_AakpiG70XyDe6Jg",md: "KB4eRmkzv4mI.dJspibox_Yl.qyduL65ah5s_62oehc-1739125956-1.2.1.1-EAQD4SsV3j1eXAv00IylQP5Vs2w91uwtDYfqp7.B1EzRBcGaic5dFl80TWPVb7FDGUFULXgKlhJQIsEPeLM3IQxFPH2QLGzBxj9fXWAtLL2lghCd7tE5.WfT4fLhC3hlWOn9NeYyriKbg9COZFvVHfo4owXFgOhs2aEGAnnVtQ7J9XCS3PF9yXrfopQVXjFN6N3Ig6nFe5VJrPnWfUoCFCt0v8C3AfIWdbiqJIPRD6Mm2fa8tbdZAqWNFxYiuWQz4UvRK1E_9FHwwKC4E8nhlD7FyAdt6avYiAakQowuasYRxSdZINeQCYywIHISAZPcMUHEJISoZNIaKXlgLMJgTD3g7XEN1DC6C9Sk1kcpaUjUP_SdjlUJTrFAQc3.oasqLARAlBx8gGrHHivrEyLU4Ietmd6jpLPSnH9l8MACmvQV9hmDlwkcBG0nWhsRGjrLIhYJbntf_KLA7XU4ZPrTh0RIDILzUqmXjAi06J69I4JrZZXJzDAHyloLcwLaiqJrVb83wcFjTNqUAi7bansGC2mtyxD0f8SbsLml04qRtjPfJ.xFHn1DCGMfxaBKpBtEgQDoFCuNyGgdWcQwkOFSGXoYo80TVn6A7fip.lJlJ7eWdKyuLhWmkOgibEPrR_rCi4oUAEkGL1F6xSY82D1xGvTzK0vT22.CdNUQZI6U5.s8NqT1Qeqld.8HH10IkifYfzboZHEWn1gpVG14FcDAckvL5PH.v6JITLHpUJN9cKaBWX8ML3YVKhVmGw.tL1sdwmWrlST24FG8SNYqFjzWrGJNVv7tSlLZIKqqal7yjtPNqfXdSGTbw3t.GilbjwFZQRtjMOJi4uGC7XMFdMX01FryGp8zm.N84upmKv6Ebj_HO1lXQPgkatSCP8mkwxuG_dWVxLtADuGIE_8hd5i4WywJpYzmTDaj8tYFhNvfUyJD5rRTD1xsWzLPEtIkw.VWgOGxUdtVpEp3D.C7DdD3ae4oanfZpdX4c.YvJdntrZWSIUTZBttNuS0EGAk69ILumYKbGd8gNa64HhOoVPLNKObeXmBGDlXHXPaUcs6vYyuqDGxcaKjd_01Ozbr7CERYCgpILXEXSsuHQ9eoQd5HqOPy12z1BYui_j34_N250wNKWKNq5_qLGbylUkN4xu53t9ssnoeDba6hnXFuhYNXzqgfQTmwBclT_XLC_Ye6vGMIhd2QRnnTUDmkglTNv3uoGuq38rVbrAfGgQ.nmGrIo6F4SrDKX8mQcWUnLZq5iDppL7lIERP1Hnse8AqRPa8lQBGV4iwd.9d4gR3ypRrx.vfZkRlKRmMlMzOpZGfo7YsZgl_SUOtYxOJgcMWu.jiOe5GwWLPbS9pSisHa3AkvDIxo1ybk0oODSxYeMjfpivIcWxGjPJBSaG7LaseDRvfRwyU2wUWNq4ZJf0WolPik6Wuj0qnReQS4FbCvmZXdi3WkF0tzf4RKZC6WZPw2xxacEZ0DaZfeX2s2lpuAP0gx9eqSgmgKYOiHo6XeFZjBIMuR21G5QnAI03Fh6u0UIocmEJwoV1PiGx0bJYNhFVyyVWh8M6T.ZgCec3meRB7NCb34RIVzzOfSxljiODMeZ.Q0TOANVz0SogpEftX8go3toWx3vexHLsplxaE1qrXAzP1H69o6q3imftui_GpxkZTXvFRiHjLSEl2y.U4lwAXag6_4vbI59.zKIs.m6fIzJ5bzcdoypQb7r8X5dLPPEjYwYduefWrx1WHkuQn8.5nLdBqx6pDzM87lptAhwzzAMJ3Tuz4X_eqIsLBDSXNQs1A4HFuQ95wh5OxyGQfA5jcU6v4Rk58ElQhtQ3mYftdw6uUoMERJhrmQV8ZdRTvrAOiaS493XtLAWZIOttl38Xq4ewwoSADhemsE1vKWxQBBPsNACPxFoHSJwiwPz_iPxYptHyzBVX5rr7GpJADyKQT2t0T0svDN4UbCmLiuH__kvHeAbv142dY38J4JLNn9qfX4Lypt0DtWSpz1Hs5ER4JmxXAY0vIQ6FfEqK0_rXW8YN4bt7AOD.XQk8pdJLQULVXHkiZqk9ttxaePzePk.CoOoz9NWEth5XC0Bz8qP0enF9MmWMDarROjfQxIqAouO8EqNpAoQ.zlv5XgMJmtAV2JJ8NTjWi7H4P1J22JC4KwllCIx78hkZgnQRspGzBSrlOFdYZt_zDd_g3aLJ6b9L25TM2Lcg1Ag0iJ1Bcy8EVjn.w44wPKYbdiEhHEFPePY_cf",mdrd: "EsOjZPH3RJ8Kdeor2M5Um8lSeklogh3BqqOqxO.xNDI-1739125956-1.2.1.1-FytgNQbqLLJZGmTDISkQTYhfFjIxmxROryfMo6NecsIlazCZuGhb7vIZzCmvjcX24vwDepps1UTcpLL90alV8E9VY7LbCGqajZPMku.N_53Yq6L13_ahUWSBtXKnWWc6pYv3Ynl9zVkEZDdJqBmxGyiiuXUbjbCM_xIK3MmLobKXMD15g9eD78f7MGqYcnHNUphF0_OM70vvGCxVtPqyniAR4RaaVXHI2qLwRzN_T.3bQSUwwmvxYe8QWyYQowTijCTtN9t61di8YO5EkOehitSfKnBFmLFdwqMPqNS.M3Xo89Oh4OJbkHy_O7AIN.Yx6Jtdon2O0uIZWnrLwf9.Hm3tZGrw2b12K1vsF1Qw5dJj.liH2kTYyYmLlyKraHg4nOJKXTfNjfajCgbfe1d7Z0GEHZZxvpyIVPQ9c2ceLXbEXC9lrbbz3mUMY8vqOEhWejHUi18.FnAaPSR_TPyFJlAwoya2YOYDbie_YwcN7ndWzhAfv3KYgKdKHOT156fHGV5GI3dFHkKjfYqaA4.IYqWIHrCMv.N9w4LXTYKxesYEyn9lQUZNrai.R1mV8u7Hm.eDSyLvqUrmoezX.W1Q4rLFJ9p1ltz79BwLHBzQl_E6gFQ3JuWAEQ0CMPA0pzgpcAPXx1k0gLBZdzIx1Qufhe9zyWtX.W8Q0GgeGrQP2BXD4pMdv2slc3YgAUzos.lp7DfG37A_olUCtZY1KiZeT34LPO6zeion_IUaEwNs4FZTCJ6ybRfB7jOJL1e0.6vTpZMo.CIpUXv6Yxpk3mDjMj3C4u1r_VN9M3njlFSZLavDnetR32_pnwB0MHtKIzcYEHX.1GQ7xB.sLfVTd_sl6iX33NF_R4yCOTH7GswKDV3ub06SpvGEZxl7C4uowgDlaTpYI3UUp1hel9CpTVCGHN.6bQOimdS4IkBTNQKW.tSxWrm3dqN8Sr80eoKS01U0jREEL2EDSklh5OYgpeqtmrbKndAD_A3Y7ff6QjusnoTnlzI2sRfW_8RtmgQEXKQLpJivrDeQj.HdxUilbHJWBEfiWvwhbM86w_2_Pdu0k_M1uKE7RTLlBQIrtwCa5e60_oUG00kWHOlOrWJucXl42z0nH7GvKH7_uBy9L1gPbkLs5_7UcFUrbPiPTIz0aT3Iy4GMwChZtkcWqBzer89umjNjtoCUgT122qdYpftKytAGy.Xmb6kLLVSly66NXXcHvYqMlP8CNenX.grD7XXwY52bOPIEOR9Fdr25QbsDET508pjY4vMhbW7n7chAJtbcmzGeUcxK0cGizt9k7DZOU.14hZozibl3b43M06MGNcVNNxxHJ7hKPazUsWYxCVued1IXR_hsj546NiSRj5QjsCHS0X0.FZEeiXyxufLroUmcOf0UWpMnpR.cpvQw8saalQyv7F5nseMyq05ralFUePZjVtvBdThb19F0VilkwvmvwNhB6BzpCQ.qWxAYVmfoi2bdXGnV8JxcQILuJrsjmhTR99FYCPRQEroGm840Frrj.nvELfo0wp.kE..fRLSnRBkoW3Oa9m90Sb6mvfQllmRQZwdvnOm0oM_5qwNZ3aODgEr4GB2JbLQ542Y3hlCxpyFPp8s6T12LHGvuZ22CJC5UoAJJAbMYWF.Rgi58qQRM4UaetouZawAKCJNBKFlQOpk9EcCBWR4SGvL_iOpog.yUXi8pPJc8Fb6uX5WQh9uCZ.bcWwk.aWqjkKsNCcxEbf_acXOQpFxNwWpaOBikdSHkOMOfrs.9NvX3Q5AxKsvNvwy7MsTmzhS9tx4RRuKgJcRkenJJO3J0UwFUWJDTquWwbkR4gS3LBQRw_g.EFpM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f5f16a6e2fc9b5';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\/5872690341?__cf_chl_rt_tk=gklyAoX8zqX9p5dY0F5J5Nu6MG4F7geUGjhYYBRiAOs-1739125956-1.0.1.1-hnV5i34jz6TcPMIUtg67U9yhhQj_AakpiG70XyDe6Jg" + 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