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-859246605115.mit-edu.top",cType: 'managed',cRay: '90f3751d5ad92d22',cH: 'gRVJ1H2gZaDF.iWlPaC.MULT8mFisAJbM4PFYFj730M-1739099893-1.2.1.1-wygDtq7PbOx.CI.u94m9xRJrS4sBS228UU.RJVxqekMlAPtOiDsb6GXDeOinhYrZ',cUPMDTk: "\/post\/7923681450?__cf_chl_tk=eP5YJJf7NHKTK6CdcO9ApIInArBv.NDxHyF4eUefz2c-1739099893-1.0.1.1-VsizgJodBQVdEhPMcdic4r3BgtOSlTh6nj5fSYycV48",cFPWv: 'g',cITimeS: '1739099893',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7923681450?__cf_chl_f_tk=eP5YJJf7NHKTK6CdcO9ApIInArBv.NDxHyF4eUefz2c-1739099893-1.0.1.1-VsizgJodBQVdEhPMcdic4r3BgtOSlTh6nj5fSYycV48",md: "QtwuFAf_SW1VtgGqssQ.8mNvj16nBxat3BXlpYuWR6k-1739099893-1.2.1.1-n_PM1HFHDFtBIDiBtxSBUCNKqy8QDmQBcZ3jyKcftt027HqwOM2qBOcvb3.EGFmIkCDQZA6tD5FsczeAuoiP.HliZZbnvTafIRuYTnFcgK7obdVmYDZZ6yxwnU27hB6YYz_VlnoxvfjCpxu8zPtys.7Uzd0J.L9NmQbrZQnKW3I_ubPtU18gI09IkOMid70ohTNmqu94Z82JXeRzvY3M8tcAdz38blYY.jClxqJbz9ydLe2Bn4EqbOWN1cYZx1It6S5Z0Up1H230WDW0rfhb1YjBfpOEPyLfnce0P5mKrESl.ydduRzR4LS6D0Nmwyu0xnrpLW_3xmxEhB2WLmeGNdf4yfvyZcUGanGRhbXELrNtMf926sgfZs0fq814gDXeJaOTTYsAFq2LLpu5BJVyAJuwY5nXG9yhfruER0lwzmtxfSW6ZJuAEKGKmR.4dMuT6BC1pQt522dqryniuCp3AcWAPVZ7tXqbvmPNVJ_FvnBgFBzsb_jnl3l57WpbzqVxBHKRzB3hJrKC5ziYmtoCZ3mqGGEtiE07acAWSCnS0ohXwSOcKJNNoBbx.kb56UWw8glG4n9XargWKYGrANkl0Y_4sj1myXjhaJXW8CkZtmTIrh0mnPZnX2OSuVpMKu46XEu_ReyZ1c2wO8z2Wo_SvhZF.lVNBRtk2t7hV8Lnte48cwkDaiEJWuXGl75wEPkAsOlm4Ze7PSj1a7o_8gQ_Z0IIgIlcAXJ6KvK5iWPk7EimR2g8or37gGgUcOR35wSktdcpNH0cxoIyFwTDvb97tqzRWncdfE2mNWv1wBKG.9wc3C_focs_kT0lVapnS9HZBY7dKKNk_0j4tW4ea5j82r0nvXzGdimCfQYKeWqaub1wQtVw4s41I63dWzp5gtJN5v8dVSl1OCTgg2WMWgJM73f4u90TW.X3E___FpSQboG41cfm395Q4yvNjefBjyw.lNaw9tksDddobTj3IGfianteO.6lgywIWHkkbQ9I8Xs39.p0h7P8FoLCLWwLuMpm6KzRv5obTAgcZKtmUwRluRajSTDBtS1I5mt3MKOGOPmlDBa1UGHxI8HU5Tud1DwawyYUy1EtpcSsppftn_rJojbEZ6kxebP3R0NRrAchODoAKmfmjOW0iKXD5L2vZZxR8V9BGRiucDw1MHWGL_nHhL1LA2h5jbgStGTwWWdP56OSEBHdELw2jTM5pvjUflI7Cy9qUtHhtOTgbxISa0pbq_yNnWYnyeCA6AIvQczEl2Zvk9CmCccXCy6H2d5ICQHletogfovE5QRe7MYWTDRe8uBHQQ3d3DqbODlUdMPr.u9C47jwKSI2ONvWX5sYwt2APBWTNxN6sSUWs4Ig2UECly8h1j3i1DCO8STzXIuR79vN1GHUGAoZCBww3Zh5mqDGJcTOP4MPXMkhv12BtRivrKfn80sQrG9_zaA32JtBfdDF2tdvkojqmk.HAWwoHySyVxnUvPg1rStyoOfSBId4WAFxzt993lXnGAAWhA9lLKIlyoiW.cr5SofH9EI3M4MUVTyZlgPsQrWW8IJ1mOJoqRBt_d6j0pNMdk2hp__SK8TLhCXAf7ab.TVk8mBMzKLaRIlhxATVrbr915znFKyWaUDwnlA.vQHQnBesZX.U0xWkfIdpVOidU8wpnQu9l9Q9M_WMcbBOBK_AeluBsKlcOd5x6LH_YlfEeiJWecog7vjxfCjDH8h2sU3QrUY4OBTQCksijrkUCAIdTOnTd4YxXtEYTT3eGL.TqtFKlV8F.Dd6QyWNlBSumK4PQYudKHj0LrAktsA83JF_lywxUmDhd5IYcG3N3tq1OoA_60I77jYxJPimuzFBMUnB3hUxatei29yeX3xoLshLlDvYvelmcdGbBqn.oKVuFTmu_V7buaTS_DAaX.pnehdsZdyiXJrrTV2Z9FO32wAlkIKBkqaPNHc3.vDA5KgbG_TVXac5KF_YF0NIWFTgpFfI2QSWY8ze9Iw8hCvqDtGSfSX6xGm._GDtcbmFfcjuZLd0lRMyzb42W5RDAeD7fqtCwtF1_FtaFmRaZFvIEgHd0knmneG9ukHLd0HdTJObcKocXPCSSKKBWMsgPkvrQh7dCleBbqOdQNsSMbzY7ZAc8byg59_nCjDtOXes5keOjDLrTXW54r0iJNj53VDu_xzQgNe9Zk43k1m5TBzp8o94fUePaZTIC4huPpJzr2.7BcKwSj9mJpNHeDU486zIO5oXPcM_mxY0",mdrd: "InpPL2MfU0C15cmKZnBv60sb46s3c9W.HXRqCxCc..w-1739099893-1.2.1.1-lc_VvgpTBHUBz1eFUbbSU.vckl4y3GlZ8KUbTSEYPnOrnm9WTt7oGHJVXpDZx5vTnWYiVoD2GeEeKmcN1jQuTWSK99IoolQlbdANLYLVh4KJQSq7H1b2kUtfFIoI1Zbh6p4n81B1sGPsRx2D9dDDHvT.sJJjf4eDN5D3MMNeob1dwJJ9SHc9Pd1Byt3osG7_sL1mVft5SzCELAOgoSkJqUDAJ4pker7Ho7pDDRxhLhqGjGr2h7QhuQaHKJGJFWe1jCDBDmxibBi.nDSFe1mnoGI4lHHIR2rvGREWBSGmBNarPhoEYAyBpUmscGXjgTKopeTcQjgiGNY6fueCQcCGbSgJHwT8gUeje8K2H8GIMP_iQI2VvV3_fUxvsYpat7258vlfF0sydaHZRohysTIzb3UkVEgR5LXAqg1vFv4WDStYbqFxFFBsBZ1UjMIEmGOKaa3eLNqdxuWeFT4gl_Fcm0t50CxDTg4nR6D0uXNuS0OPo.L3YJRjI2Jmrtq8sJgJ5uezu8X0CQQPYrcUOUK0v6_wWQdMSKdYsQFD5rR16i8a9wzo8oOxDs2kMKimOWD3f4LjSv51OmrfoEvYMRDz_Vis90obLKFC_JpcVgIbjfRHaVCDfJdocshN4fDKMB8jnh6D_lp8lBL6BuWikBw_Ec11a0rAvjC1mDb7R0RU3cS9s7n3Hcg6pcdU918QIZwupw9BnK7j_F2wqKkg_8PmC3ra02MOfyrIzt3f9pQwe0_16n2wPsbAPwp.8pX0Sn6okepxY1MmGElIJ.1V4tTUKGYlhMbcYYxjp48KBIxxrDtVAQPYTv1gNZZ4IMxieGRTACDxtr4EoBqHbSUOY6XDKuBVcSj0CUipJ3ym5dcMNc1.KpqRg6gUFrT5y6uRAN6fe9Ks9VOCi8y96UgeSU9qZ2QoPEo_f6iOfaVbXQiN2OibvQSFa0cr3N2ts6uwgWEHqAw56QJoq1MLJKP5DSSNOJcL80Cp91z7ERkkxoNXNMW3Y5IsspgeUAZqy.hzBkuYaiYg7yAWb2FP9hnf_Zsi1x7Nf4fIPkjDkPrHsKE7JX6eKicnlcEDD8P8NM76Ys_x58vNwOGx0WYJXcd1P60KuzGsUHHy3_8bKI018JYL0nVuYpxASWEu1DyXV4mLYrXKRca0ey94oSpKbjsyPWn4R5I7Con6OmKrjRJnDlIE0qtedK25T1OTy8htHggmbT6iesckaDZkO6mCBUtUdXity.k6hQioYAgw.7OAg9dMTPCAxCkSBUnwwR_J9d9254l4EbdiTs6T3crVUb_fOg1o8HiMp4RE_vsNW5kumT9zD2CH37qb7AmXqFVdLlQ2j63o_51fuDLp9BeGR52XnPYV0rtLXwMEr07SIi_crPAAPLB441y8sCG3Um6lpQ2_BA_OQmxgR28lVauozxdT.zepJ9hg2KgI1EbrTCxnIlOh4.zHKWOjGuHEJLYInrvVOYMe6jyI5jNAIGC9PVlk3hYi2zsahcsqh2CVzTkv_9PdzTNBF3vWbfBffpb.RP2xDEr00oo8oMuioPEgJ4Ia0lIwzSxhhQyCOxKgbu7J4bgAua0syk56U5al5.ehbs2X9UnqGybzHQF9odsnlyFdBz0gIDEM9pW2rihUrzP2o_tIpdFp7yIvC4TNRT5Csg8O2jUkZy1WeqXKLmIiLYC8NZnlzj5lEvT6zbUbvDp.G.mSDfHa2NLyj6jLE9I79rcUYC6OdEYChWTsV0bFYGpctuvuyMjXg7VyYeSqrWDgFyZJoCrc4JJXhpEr66McGK_PpfUcjk_LKs0UOH1RDJ886RWUnqhmDSOaAnUgvhvkH_rwYCQ4tIJ9vJvrKk_A0LCYK9VL"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3751d5ad92d22';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\/7923681450?__cf_chl_rt_tk=eP5YJJf7NHKTK6CdcO9ApIInArBv.NDxHyF4eUefz2c-1739099893-1.0.1.1-VsizgJodBQVdEhPMcdic4r3BgtOSlTh6nj5fSYycV48" + 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
