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-affdxcm6g.mit-edu.top",cType: 'managed',cRay: '90fad38f1a9b0809',cH: 'KYmFS3_zjKQQ9x4QWYNci_SHmOfI5sAI3JF8XCFJmkg-1739177162-1.2.1.1-3E86wgjsb_6TMsEyZKdf4vhFTbjSjOsr4itCUfRgo6U0rTMG80bEp8jOQPjjZAgJ',cUPMDTk: "\/post\/3107298465?__cf_chl_tk=Nb2azMqatX9QqpAES.UpIx2GNg4iDNnjrnfesoMIgG8-1739177162-1.0.1.1-CtzqYW0NC_Jgf_x647L25U0SPD_kyWgQfvLh_z2k2jQ",cFPWv: 'g',cITimeS: '1739177162',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3107298465?__cf_chl_f_tk=Nb2azMqatX9QqpAES.UpIx2GNg4iDNnjrnfesoMIgG8-1739177162-1.0.1.1-CtzqYW0NC_Jgf_x647L25U0SPD_kyWgQfvLh_z2k2jQ",md: "0bktsckRaCdyzM9fKZeSmQBd8bJNbuu5VWih7Wm_qXs-1739177162-1.2.1.1-LrdrbpVI94mX8OXPXxbdqfGlUQae1St9CBYmznVpA9fSJyfaC8YboX1bF0u.IXBUbXoCI8NienEVcoy4HF.9ffB4X6xD7AylVIzMYIxMPBtriySWKAoOlltdZSYI6feBxcUx3cZNdiXGaBecZZjl2JDbmIPRPmHez79bA0wIP33dZNjknfuXpe1PXVFBi3GstELgvWZmcRZnmeFArGcx3AjZVsbxY6I5LGtjAaAbpcRFJVyuPJeyjyDDv8RqCskoQC15bYuD6o7bzwHQEa77CAqzp0Bhdsm6v885S3y.0n4qOKgLZ7cfAxe1aAYGJ2WE.nBZseYJRLBiZ7lEfNzTdOwQgTvtanVd4DIrWFajloqwdlM.q5iATCezBH8A5c.f1BiuMcNcJ1o17iMub.GbDOuzduXE17lKz7M5o.5ViO8KEzcU6cLnF5jYPh38rD055_nNOtmSHFAEbEVa15xdrobUvE7tVJrb9USBak_WbRcIn7h3J7bkKPEaTkapo8urr67_jjw0vr3yTza7d8VuCTtDxJRxQP29nE0gnfXXOqAAYdOWs_qaFZRyh5pLwZCOzFetAxcp5qoMuBSoqwYMJjDOz6a0Za6k6foGYnEOUemwO6jRrqjC3z2pwZfkmVvgRMoDyjBrBdi2yQxGmll5TXZKy.ANDJvNrzuEwOvOHemcgTPjfdwW0uKW5irkYBM6BNntbAU_KAr52SIaOdxLvplRna0gjOYomlb4nBawMsenLRohrLFv0AIGkHgKYTXbeN1hSuMYe0aS4BFf.8RMS7v.8c6ikE65VhUDLEyZevIDT_m8z_LfvVa014vAHsKdPE..ckVsuDcMUFF6FRxzBsL9tYn98Zi49ERGZ4_bW087d2ilK_6zTl.33rzzsW.S4NbFkxZYYYiCm55iIr_Cp9941SWPGV4ZkfB3JauCjpu4pYG39x5gR7ZpyH.wkXG7m6pz0wF0b4PG1Q.LuM6tGWfm7NoRcIy986RgC0OyR6KmwTvv1oP1KAtjXG58m2bf97Ms_9W4xVjAZBHLbwiIuXMwgp8jeFG2CUsv.bgsiq08nSSsK7llI42m7glLni8r5gBxle.TnWTqRdQBPMs2j88HQfVE.YcRPh9.XBGadmlJUUXPbLHw6iGNB61FBM.pEpRoT0dKhJAfCDrZKNVXdHCCtGHa2vwpg9gHHr03PXDYAuz4WV9PyeD3IQOdyzNtCLTsm8nVRxokf6aiDPc.UxERhOLRhJwzU1D1GrPqTwNl1qTiVPgOWCnmtyEmac0qGTTUP1W2v3z8aeoBW1THHSjk9xCBJqElosTWls2vJRixJtZBAGpxVb2ErQ4g46ndA5vzvvc_LuSJ4mV5s6o26Z.Gc.vglxptXCXoCJy5muIE3NU1T5Xbv3ttWhshIgSZMIFJbQW6ayZrFHBJDJ2WRsjt06PvakvpkMHxxP86zgOiIx92gMUwZCPSZJq8s5ffPKJkb5hVxtMLHk8Kbj2YMYXu6YGEq0TVF8kh66iCnGj.f88KwqAdJ4jUHRZ3XIKsXAB8jXXVYoL1hAQnKh0MUQdX7asdUrH4BYSL0yEopXqdnnOxbZ52nHbjbxxNVnYLpQbqa9mYlmEpxDoWbtzxH1pQGNyOgZWCPmDrXgMW.pXFbYmsj_4c.AvqW1gOR_NVGY6fTHTXoqlhRS5MydG.wHbgtEJTBvrytzgq1XNyUhyro_xob9A7cyNeKr5GEVvdVnaOJq0YogkdWBdke3WEGYP6dNCM6GU7FbHshYJhEtf9uKqZV38K.gEL2NR9Z3V.2HDBR9UbKMAEz7S8H5VBZ3T94_pHMz4meEUfYLCzng8yz8qrQ8pJtoMapqv7ACxrA.4PC_VAIIiiipfzDzhWUcM1NMiD3dP7UXW_mKLUaPWv5nOW2pqmjP7D0FlK8j7Qr1AKBnuRM0ZAff3j.52zIFaHPDXs3MPlUMhg5xmq_2nUgAWeeRTIs1W6TJTnQ8y5b1THLXgedWhhE5snjvlj7035bpGvqC9xta9sGVlKEguSBXpTlmDASUB0Sssz8bdXJGVEQ.E7PoMnF3Uyhihk5062k9_CqteKWtp33PvgrXse_fUEWJlCWDs5IEdXtxH_dOg_s33VU3.rni2yUhuHE.4bw8lYaao60RIE1gnTHCoR4lSu8QCgB6tmlxkzCHBhM985tvccQzZLaKqS0NvSllbFFm9NOxX1j41YIGPhSkRGBUHqL1Y5upadvk.4wo_e",mdrd: "m5AnQV.XNl8_DkQiv_4iwlld3PZbIdZfXjmsVPk2Kak-1739177162-1.2.1.1-7RRNBNI2b51Q3GLZgp2Rf29jj.2ws2OMO7wQlrWPh40P1GI8eDOlCF8594l3bL7_qwrjKt__TuHHg0OayEcns2LN3PaPutUVuUpVhoPZGBun1V9SbDiIc.ZPPgjTV6QPGUDCMHTqXaEQXXKNzcYP2_L.f6qW0HSG9ppcbu6zsWSTLACqP8lIA11Mn9CGkjC9ZijIRx_em5uf6vY_17VOQ.V8pQlXEunyDj7r2mswd20022hmY9VrAfutSCFt5cMo9UA3ra4E4lKU6Z03lWYhC.W8BZ6eEX9jAH1g6AXbMA1ylUBc7kQ8lGdbOi4L9Rm3yNvzvpRo5t0m_3NlpHDR_P78wWpTmtHn5i0wdOrgQp537_9H2UFk3R.6IiE149ybMYKTD1kr3Hq4MrQINAevPc58pAEIpQ8w.8VVKCcpakozO6KmpgsrMnd_BFCnFCCd33Aq7tQ7CiIvK2Gqjg7OUM1RXnYoieMM2MmmZqMod.IK1QNWyTVf9n8CMJvpiOeV9pIyPwfUJBIIpEXS_E4CZ4y3Tz21MPZ91oO7xUm5jtmutlFnRpBg0p8bggJPPurobtJVnjqQs9KEKWaDAtWLOd2JkpqQdNGIXnyOznFLNwHTe33kbXFtgdYqa_VLFvKTQxB7wYbMlwNUMMp5UH_R6zY9R7DFUNhNGgv7F0CEv3SisXvxqhxRJrfjv4x1G0TjIi6oEp2Hr_UQyWGX_gLU4wRoIcs1X6Xokcvg8aV0UvJLMjBWKxijj3IKLe3aqWZ0FaaYtD4xJcZgfG7o2VFx7FMXYWcFozWRVo9KIYn3dh4kuyRgFXu_7d1ov8_CbLgtUXsOw2F8v9Z0G96_57SjvYHtIQJBxYd621_66ScJ9Hn4JJsianXB9XPHji6H00MdEThmdRxWFjqfpSpNh0xn.dT_XqT92K4is2Cf4YcLCSO6lqFLuHTHfPnrr6pVvLksAWszbIKaBp1mJncWxrbKjAXu1hhswRb6VOomfuA67iV4xwH9OKozPmuSjKz3vB9RUmQhBm53k6Qt1WSG1vo_xCcLbkYdgC7cHjlL.wQcR7gKkOsyc7CsfWDHLWwguIDNsKzn_E0iYg_mk2elesX8UjxPZrD048_GAVAoNQo64AqJt5ZSWh2Jt0BxsKoRL5eLOjyW_wr75FmxjzXiT3pXBg1.Bwd251jnv90egZDXSk5Q.6QHqvbRtNt_bJssE25cjNEHH.RsESAnR9JjnsemNf.mqYGACZWTo.aeSYqKXDMd9E_UFbgBe86o_V.d8ThdNWlSUtBJwAW7GJg_dkLzTeEoG_U.qsziQpPdhe3JEwRX26Q_B2AA.yNMAac1n.gclZKjhM8_ZgyrJXIXPdHdJMqTo_x8jgwTV9YKKkTxVxGtACHFrEef_Wi8b8A.R9gR9M.WBQjGLYL_Qxa0k3gSaqsrj_HQB2MYq_gjNX6eJRoFZ2BR_Q8vIgmYo722CrofcuHz3xATq3..YadHCASemYcfM2RD6votDFfzW5Jg7UZiEah3sRzxKEY3LunH9j16DEqNcfbY29bJehz9Egm3tjzlEhkyJl3ydTOrh01YARMMAFyj_FAbRAuhDbqWJjQ7tnIzQMUtxAUaGvJDV.UtkSvcT_jrOg4aAuFQiUxRc5_4cPL7XBGJi2kL7sDamWToFSWbgSNSo_nNoPPByPO1BUXnOZ5sFTXgCucMmqHiYWsVDexpnthJyOqAwZ5xvXeh0j7VxJlzp4P4JBJ1GEbSX19XAh3H3HwtQooNvD9799sDPhnE7RvssZmn81ttT6QqZxIUxyVd4PmHkZUvGv7ItA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fad38f1a9b0809';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\/3107298465?__cf_chl_rt_tk=Nb2azMqatX9QqpAES.UpIx2GNg4iDNnjrnfesoMIgG8-1739177162-1.0.1.1-CtzqYW0NC_Jgf_x647L25U0SPD_kyWgQfvLh_z2k2jQ" + 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