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-affmwg41s.mit-edu.top/post/4789305612

  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-affmwg41s.mit-edu.top",cType: 'managed',cRay: '90fd0cbe9cfed6cf',cH: 'v2HX7SVVo.glVqjbx05ONc4r5YeBmd0x5Y0JCPMBVEg-1739200475-1.2.1.1-6Skr1g1_LugohzXwquJ36lZF5anRiSmTUWw1O7qV_V0kuaphkC9Zz1XbEFzpVi6q',cUPMDTk: "\/post\/4789305612?__cf_chl_tk=ECQagxVPKDCql3AeQM2pyLS0gbZHwqGxVlOMrn5l.kM-1739200475-1.0.1.1-eyx8AVC.sxQrm0MK2gzqYxRtxCSUr0QlFRPOUCxypmw",cFPWv: 'g',cITimeS: '1739200475',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4789305612?__cf_chl_f_tk=ECQagxVPKDCql3AeQM2pyLS0gbZHwqGxVlOMrn5l.kM-1739200475-1.0.1.1-eyx8AVC.sxQrm0MK2gzqYxRtxCSUr0QlFRPOUCxypmw",md: "OAaU.0ho_2JeVo7ntWIl3gemWNLJmY7D3isN7zK1bLc-1739200475-1.2.1.1-E1ySfMlM13pvDnJgfZ9XxOPyFmUVkazTpmd.XYy88uNnqTVVFdVH0ept.O4BXtAeDrJl.Fxr93D_hrBkCpZKhvzmF_ZHbquYcX0c4lctpCUkQhbQkI2mY4eaRvOqjdhQ25zCahXyuPG4x1vvLyWNbqMtC5eDW4Nn1Fv73EtkZ_uui7d6dw4aj6PVlPO_rzIYv2Fqc7qEG_Zl9E7spqzNDnrJB6eXEcaMd4KUa3TjPj7fdaS.2.Rkj2MnK31UGeOzLB9fRPbY7h0qWUs5.pwjuY9wBwQQ2zg32BKLIwsqgSIjXi5N3gx9L_Mdw1IWshVbN3wteb0HV.dRx8cDFEEJJGeHoWocI.1EbHFOj9.ezjSfTiRahQ_aDeVbmaAwc7NUDvAcXXHkaqmvPc18zXGBPzsyYSN.GlqxJTPTp8sy.dv.osCoW40sOFCe4seYfZLeRunTBSyJYi8buNPv63u83YyZ56B4A8mvhrOymAGPb.6bcGyxRAbH8LhGhJx1gCJDhX9PY1Dd6rJ6f0hMSuS7vbn8KJ44QlY5WP3msastsdAcGAJhtf5zbYYabScMfCWEYFTIsX9IWL4dEGrmIcW77jJnSe2cCgteasU_ayy7awb.RIJrGmoVwX98W6LfLoYgpg475hjFHgwTBM9IqBGVXMAInG8mgIb2ea7Fv6RvXwovFoiJ6UtQuKSMc2Kybt0p01HPCHaXEz8uaxhHfH04hZrVNlzKUPWe5afxozCFJlggNk1KpLhUVZ3HrNvryFiBo8lOECkuuVQ_TXrmtyFI24ei9cyef3I3X.bbcHS1HBR_MbwxsoALRjUh7F4zYTv3nBiL7xr9WgP0WHYlmbriwKZdcnZmoNhbcTuVX8ZC2dMDF.8gTZE1QW8tInnoQXOp.WfyK3vo3DBnbXpuDH1ZFLql8lfpJ1xNXKbiwPRzYbTMLlXHClYfQsPi907hpagHSWMHXp6s7yAV1LAp39_sSZOaLqhPH6BvzkDMRpLXDx7xr7p5.aiMc..dlu2AJsOSTF72E_3rSmZ0BTCU7OY1lSuXbVI9seWD2QfCSUD6O3q3grBYVRRJGT9QRhqBJbumroCu3.1JZ9AS3uUlEOQF02bVzOtCgS_ovs4_AvPtTjfwR8_WgNccFiS7UPsMq2ixauM.agSYOODdBZM515ZI5M4T5s37k7YXcDx_ljaPEnekysOTKCpskQez1NzjYqe.UyonRsPYYe2GoS8AkMmDcpsCO9ab4GWsRjayztPVLYX429wRtKZlXdAvWWdqD2DTexJoR8htKjnPrJ59u.m5oJnPR8m4VmpvzudfBSHZELEuXHax1szlv76MomVY3s8ENgdxrSF.OVxE8_LePj.gQEGu8yNdE_TPQj4cKsr2.s.IjEjbcR_a38nMV97sWVBfKjezFBjjQ9Fz7Ek5eJe0VTTm8HZ0YVUnfnu.VAlG6lyAOfVB48p2UUtDibSzfWpE4cF1Qlkm01L_mkNnMoSnhzOMi6.vIh34zHIJotIMux_X_TM232AAlMoJVrmJkDp61dBGk9qB4ZT9U6LIXxox4iQMq8S69OIMYEOlyr6swFw0D0tB0xQ8r_uU_P109Icy42NBQflv1NjimH_5lQTKkSZwxQXPOAM9EXleoitcs.03Ig0z74BKbpM5nN3o1tyIFGlCLrWZN3O84rnnngTgaSl0Wu8QAaAHzWbVq2sa4u1atabN7eN75gWK6GYIu4zRx4v_8VkAT0QfK5eAc8jqpl.2dpBqy2lVbnL4o3Aj8vraxZ26iPkrHbq7kURzygGsWSSa1kGe9guKpICRE1rZYXMTD2uRoO.uSTRpaMaJMfYKNLcaIfO1u8t2kowjpLExHtJl0Up.4PhZkgkdZcLaMF8N4TBNtXbD69arUoYTjaeT2hiPFexhfRR_mI_UZgYbuoeowGVYnxBK3Wbh0PLucr7enI600uZaotHmOqArUlzA_nYNVX7QmRmZd9QARYQBr0uC_ddUwFNcYFjXwvITF66zq977ZRdQJBWNcfDsNC4ONXu7O.RCsFPLsYWXx59sFeZ2CfJZ2Qf8n785aPdcZ1u1MtJHA.VDu1wMdXO9__qOtcaH6d8lXy7E4fNlyltoDCDqBqLZ29WKDv34iYjE69mwzq60zv2LXC_DIdICjghyPzOafIZse3kTSqdw_tTZ1l73lnssNtdfIozonSphS5cjRpUNLIrS3UowYa6kRljt6NWeEmRSqioHZZyBLyTv",mdrd: "94vLNzOKwZ5dXTaLC1wpa5Y4NwZZDzQXdChDc4ADpCw-1739200475-1.2.1.1-AGY8nMqLlpmvH1liCBBWJgzP_gTqNfyF5YaXlFlO2aLCxazQ5rZvJ9pmonF5qKwijGovGlN8xFIoMwBkMyfnWLjqqaMyQDWGSTl3Z7omkH3GKHrucM2YTD5R7pi7vhTtn5yjxRFwpWvnh.qcAGVQJ0n5akuHW4r4t45KpXIt640ZzASTBFx4bi0ZtVjPoMsFhbqztNs_N8h4.x_X..IRUl48drDvmtputCvW4J95WJ0CPveBCw12PUXzTweu8vQXEUh.KbnAHg9EFEeJJ2YsrV7LicD.SKpUVGehrbN_LrTUfRQmzMndzROc.J.gHRsQ.sN_bItNfZqGbrJyXJjen_3D0EpS9NS6R.Kc1hWcCb_ovn47WeS3R9EJc3TN0E9F3zAk_bLJQwORTtvG1Nm1ofnmwK2CrxbCt2lgxxY2Q1Raa3ZTZRp_J9eJhsOTwUxTEsQd1vVO1Aw5TtCT62yfPYOG8QiW2hUoZ2V1m7CTGeAHhWBH0Iuz9mSR6qPuqx3TgYjbtubFhfj459htWdFhPyX0HRTilVh8wFfiLjRXNplPTSq4Wl7syGd92DK9FbXWoj1IVcxcaGx9McUfxyFeoszV9wAXdwJBH56Xtr8LEBOpijCDl6y9ZKUMB.5YIjPLbIuhT.W4RyKVyjMorI_SZVRg3u.A9W5t8yPEzE4n_wFw1miX0KhNYBFPGJmBnHM9aQ1Q0j_kzMo.6pk..DY82AKBFyRvcvDkGAfXaMmr6rw8oBNicysFXyLJeccsoAQWFHzKZ.5C.PmzV.qzQqtaRhl6i0JQ6lNuVCMg_EnrtyOn3xE.R2XV1g_5tPf0Z96Vw_46LYUwyLGqWqJKvIcxvOYTD.90_ilW0_SVb8u.MZIzwm.iwDqrZEr8FhyvzX35ymK6Xnr5y04XEA1351.rEwmEbxY6Y6oONkGLG.i_s5CMCQiRD6VVNF0vqnAx8XZjlLYvi28XOcyWxnCL9uttjxrnVDLCqUlpZNN.AhBwaT6pak5oBY_8QDOOcWtpqAFcUmHbxYPH7lpeBEcZ2ynGeqBuD5xMV6iYeveiiU10lhu8IaZzcWe1hyxl1aPyYSDye1NL0oq6LnZzoATHeW91nS4OoqITzta.YC_tIqHo7LQfSIsKGhqnVM2DKG6kP_H.psHSDf2OKOXNK1ZbIOcRdb_MHBCyubNpDvcKkfiffJ1P0O2t8iweT9ftWn16zu6a1Pu5bfxtd8lmBU5Qv4AKncGeUzv7BHSULFPWlvsL06wLT1Hx_LjpatdKEC50EwuYz86WcafNl40Q7BWvR9.1POnUNCw8H5vdZB0QvT30_Wqr1UiVRjESzuyXGx2ATaUgkTJO6zRp0jSlWw2fIw0pWSwuwQ7rcHtWQEJAC77MCS2ev5IOyencqBPdE2uM55wm0Pd55Q8dIZkZFn1IvD50P64RiKf1N5vUIFplooVtVPpuU_CiJtpiKpt_sSHQSZoPu91W3OmXFy5bLjEjosLNVj44u2_Ql1S5YvLO2uIUO5OZCIHDvb5S.SllsQa94MMbbefjzuu5JWp0avMqdfpAU5DD7A59DqCidhV_sGdNM5gfghgz_d.exXpBVM904.VY6vd7G_1JgYT1NlRUT1vvZ5C6jW.3e_ls22Mi5Hpr11lt6DC2ysIRyMh8.W_bSNwkPjZ63fA_w0tEirnnZEXjJ7BZaro93WdKpTynsmToMnw3JfbDmN6iw_NIaJNr9NN1gFI7.imA4NqpO4htbmFtshWSqUc8VrK8ftxaepX.PReMm.MbKBOHUBbqLAQNorefDE7QNAey8AFHbwmQXvxOlQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fd0cbe9cfed6cf';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\/4789305612?__cf_chl_rt_tk=ECQagxVPKDCql3AeQM2pyLS0gbZHwqGxVlOMrn5l.kM-1739200475-1.0.1.1-eyx8AVC.sxQrm0MK2gzqYxRtxCSUr0QlFRPOUCxypmw" + 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