for Atom and RSS and KML
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.
<!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-936851144718.mit-edu.top",cType: 'managed',cRay: '9107aed7eef0059f',cH: '8RZ2HS3lnO1RG9KuEL3x0pcnunn6zTW7njx5PMVfwD4-1739311973-1.2.1.1-tttsdz92VqYQ0BIR8eeRMXhxDAiOZIlw5dlTkzWe7qIVMK9u1DrdW_A3nzKzctAM',cUPMDTk: "\/post\/9830517426?__cf_chl_tk=33E2_gExXb2P9lBkHeV8CKb64i.r8BsdBy._7MEJ89U-1739311973-1.0.1.1-jm5NNcBaHK0WsfxYOzvAC8JEDvU9Ul7AV_DVDCV6e5c",cFPWv: 'g',cITimeS: '1739311973',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9830517426?__cf_chl_f_tk=33E2_gExXb2P9lBkHeV8CKb64i.r8BsdBy._7MEJ89U-1739311973-1.0.1.1-jm5NNcBaHK0WsfxYOzvAC8JEDvU9Ul7AV_DVDCV6e5c",md: "rIrP_fxfQTxmuO6sSKTo0mwecMB1fCVCfKja.GK1_gs-1739311973-1.2.1.1-g0TvpV8FL9dnqIIp2hPm8uKkb_JsXQ0a.ab9XsyQ.T7FvL5bzV3hbIW5V0.hWeeSjzV0VsGYJaQypSMnjkIHiOPYEkUOqidxGTx2hByHso6roWnaaS46PYI9oHm7hLJVvKIxqzD0n5xlRpT8uy8Z_cOznjXMElcMkUssBaqfMeMlQ3Ds5Z25iH04rY182swn.Hh7sL4rIWQ5f1w1kGhYPFp8g1LT1rWv5UZRB4Ib459FqAHZzCZmNYrlQl5UitD6QiWmB5wVc9t9OBCKRvXKqSY3BqzYdNzszYgC9MXGc0J_lkAXMCH25Zi3Gu575IMunsxh8gTvm5ZKs0p70TGkkHqraNlyzJgfqFyLosyrRwiLoYpp1L70wvU4QkYgwLx9YsNypYIeo71T8v_oLkL9O2vxMTjajB5.OR9MZcb67yFnS8R0bq2Wof1mokd86US9T7DAnm2SmqMtXbEnoA8dYXsMEjNFf57qncC9tX1UJ9RiTsl6PIkjz4vJvWRAVpR4ugxO4RZ1stpQ0veikFtvnhKuCFahUP4iXR7Q1_kOXbY_yQ8yjxFNrtxKMJxfKpTqG3CJbOTC4U2Rg5Z1Rtmd0FzfGLfgpbWcVDP.oXiD5.3TEP9DUT_jt9bg1svivaLM9niecfCNN79IWvCY3c3YVjSPD7wvWxGvI61oD2CVhC1N2NrOjs.XuwamDFfK3BVF.KiZjP2YLX6v1MKUh4nkPw0U3sGlm2CBIPIbGcWsu7ScKivQglp6bAFAkd_.sAA5tr1GSYyfUrGR1kG09nFz1Fe1WLPFg2Mfn_CkEuCa9ziVKk5OWiqZ1Y_WOqAWLOJQpHBcIGUDfO2yE0q8Un7SMPWwZNi_d699CPUg46I98WNPnFr_vBYd_tMy.ZyuAeofO1zoqq4Zymhscweaeb37BngJd2uYdZhYmGz_Hz.vAw8KGIeJH1ky_CoK7Dq_Id7qo7qEg2YMVtz.reTalkd8oEqRmPG7aiBeBY_Dlo0I5Nih7PzQExUXqzOdo2bYwCiNgIsoVZTeR7YX6PJg2fHXA60ECCdNzthThwpG2TCN9CfocySw81GamDmevUpbc4SQ7mdFY2bSyrc4EG7HNG5.xJV..Iugngk9_Q5patvf3DesGLZ3X6lpav22CCn1by1NOBGq0H5ymXxXAcoZuBQ05HNB_aRCAsM5x1N_yI_i9puZG9ZH3nLF8LXdzcIyv8RrsE9t8IZgqQrF.GCMC7SHtvt2J.86t37ULAnOtvPXgrrzrGc5ZxQsg2lnG7kQp4DvqjvQ9elE_ceSvjyx.9zhivlTxtysBpUrkT8rH3BTths8Kx9.FOQTLZ_DW1ErqFGSN99k_zxfHgnK8t3H18pg0G.Mk56BIOu11jYAUXGAVg.KaaeaDLsZo_7Ru0WmquZ_g1FSL_rJpe.WQxd2SgNY07UN1zreFW6yNxeNjsQvulXpUAfwgbpACdzTnFcS_jC2F9vBPwQGXwTewR4Ll1uiOq6hxLxRH.7R0ndA6WUXqYZl8xUHz8ximoTIWK3M9hRGxZDhX2RuNYEsNR.i4PCILz.kllfFtEoyjigvA3s9Pyt9ZVqp9AGLTbgRjNlb3xfuALPIdq2jNzky_gzUgU7dN.nXs._kPcihNrDq_JMIEd0fkNzWj0RUsXMomQA987ye0jtwbe2KcaK30kYImDWBJa7gRJkeNvVSu6z3_EeAdlCaeSOWOUVvDSWvl6ADUlvSUOlrvZF2Jc_07sUQkbCpG6GuHWTA0TM6NXzc3rAwEfyoLRabmujBKqQMoUVXLM5tyLOdrgr8vEEnSJDeWfsyN1GN4FotOQv9eVTFwpqkeuIPNCLxb7a4ZVkhWpJbHmWcarTAlCNtNOtC4nMZ9iJnDMiC1fz7HnenY7BE3IPVSHTXnAq_3o4OvQtN_kFAqykBXiqaQDAQNE5RvVbAi6qRN9e7wTSApa2VUwF4pDl6V.eCp3jfntbhKDW1sWNgz7qu0m36CohENgpT12BBCEWqB93PzatYg3ntG0g8i08_K0tyHjoE4XV85jSxPMccgeZ3PTUQXsLU6H.0Ten0ZLHK3qlyhVZ_2t40YSepbMqvJUUkpmjIMRBuibqWj566UOSxV9EMXvou1QEhzodkju3FHDSfofD.YaeTflfwPLfsjRKlPG2tG5mQ2e2cyafc7jKRG0TCCF1Sgo7Uhd0SAaizQoklNnxT.gjD6njTOcDgY8LJI.7QTym1pbOcxtWeGXiY",mdrd: "MeO8zzr3nN613LfOlP1sCb0w6Jmo4nSMjyzDCfqCQeA-1739311973-1.2.1.1-xd2SaQQCjlZiSve5awNr.6KRzBv85eHiHcygBWED8byOEGSbS5XvG630SwBzjUk89sjCSd4.BYLcwEiajAsWYvMoSEZiJbRj5BzTuHPDxI3Rv7OBD7GbppFBUFZ8nOdT_wMNpcK22_wEm5mDvWMz1ZeNOE.moQjuNT2ZJZ1b.hA2xjGhNFXWM0mX2sBnHj6dX0jLAlYvLpr87bcMinEVZKrWcs00XNAt0LPCOG0NvSNTK1ZAc.ZbctnVmDlLzq4s9nClK6z02hc1_jf36OUQxivPP1vsEWMhF5PL3.BG2fsqSwgiNnIVhNoCn7su_ou6JGTyeeqmF.f6LYTuGv55io5M8f9hQj_yqfoFpNyYkD3VJIIvy2BLcE9NZb7JnYrvN3XdBc6T_lJgqPG8bNj7cqjUtcUxRmzz_HHpIEQFp8bS6RyNm3vCKUcfnRoyp8uJQouG7TP7U8WZlcV9a7EiSqcuYrvdeOEzqDybvKAP9wAMvqCMzLsC9wnXW7TQaW8RhkOpmmZhiDpcMz_2eTQtpIdx0HzbxfyZjUs_EZBfurhpzoKvJMYThihnW7LdeNqjDl_LR_zBz78vJz7grsR3nQgH8niXI3W6wAzmlkQnauUmkE_HeygcE53ZXQEVsY9MM.SBQUt8Q5etvKaK9rGF2kQN8HMMbT_fY29l3mTIjf3855PNrOyQEprdjWvG_Kn0fkqsYV0wYnzYmEAd3O96TXuXN8qc4ecjKLTC1UfQ811wSbVip6.EXsn8H7yyoQgn3DdYFI7FAFutsKz1ECykKtfyr7A_rvNYEOTFTR3bCyUaFaUzzfFscCRQ2FJS056tFSl6hAs.lJuTo9m2NyNcKhEz5TrfmmXIJoMuebdN_lhovEYrbCXHX7nNHIZzygzp9LgyVa5_GEtHzYiHXjzU7z3qRTvhDUw18SLsrunkpWP5hyM1bujjW7l9Oo3NEs.alI40jEcJFrohWW_aM_TrT6pjflMcfp3thdzNE3xcAft9IP2SF7fE0AO5Jp5XCKILRWYL8GH8Jb5fmEtZTgPgVd5yG3qgU1dwjxiAuiN6c8QGoip.BkoITeKjBzs96OJ.BKo9DYZx1kDadFLcLOtYz9QwF46ll1jDyPl6SvdVNvi8n8O1a0GwTqnQbiyGDE3lMxYH3.Ynm8Ct7B13P4SQJtjelwcu.G_KbnfQ7tkLw3mmHsWI29FDxcN_PDiYxdAg9brxpVvWJUl8jxUVLT3ELhHW6F5gK635pEELuDWSTMxvpgUgxz93Fu2K3SbhVdpaGOnYgTA_K_BiNmYC4f1Ka91X_f85MiD2vddy7Fh4SrUyAPvCS.wZQaEIjmODAxCKpK9YEh4oZ_hu0ofKAsYISdeyY2E59SNdI2GCkYi1Q8lKJaLP4OE3cZWzHpDwE_9IMJQRlqIKNB0GLh9eLqVMA9tgDwGBVlik15RrCBjw6G_NQZNE2giVjlW2hMMX8ceF8ClZFUQhImvkvbBo3LpeauGpoBK6c6JvNhLxllVHGBgW6PMoFLm.rkgcxih0TKXQQSpyrNd7elFhY8KrLr_TtuFzoK._6L_1x8aXYbuiUZXUdCO7.pNZglu2BawE0IGcfY0uXUZUuB42QgnRvK1euhNUIA.z1JOWVeQUq58LPkZnqqm.chBdDgz9rfTwEHzyP7Zf6v_vHQRyg0Ny8.RJQWSxQg3Qu.fSwboF9gc1gcH11_dILy_Z4X_Gx8rgHvkLPS29VvaG0XCvFQLe1E52GSIlvxxnqtMxi95iRHUZzzQU5YcMWF4nUjexQSxbtluzUJ4HdALTQ0zhvt_6TcAGMKbjmbHEdKdMVurFGKVRLvQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107aed7eef0059f';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\/9830517426?__cf_chl_rt_tk=33E2_gExXb2P9lBkHeV8CKb64i.r8BsdBy._7MEJ89U-1739311973-1.0.1.1-jm5NNcBaHK0WsfxYOzvAC8JEDvU9Ul7AV_DVDCV6e5c" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Home · About · News · Docs · Terms