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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-082853543361.mit-edu.top",cType: 'managed',cRay: '90fb207e0933d6e4',cH: 'g4fXveT.dYd82M20NqnQ.6xsGpj0lluZFhHCTI0n4LA-1739180313-1.2.1.1-.nuO9lHbLOazVheume27.WBiupDuayDP9QSP0ecXdwaMi.GngYhV3NuctD2Nr8BF',cUPMDTk: "\/post\/5248760319?__cf_chl_tk=oaW9vmhUOYyY8HRGG9rUKRopqECWMwzpnMsX9tY0PVI-1739180313-1.0.1.1-koFY2xlJ7fYCOgO7DIFqx74rX4pEp8BByB2JHWua_pI",cFPWv: 'g',cITimeS: '1739180313',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5248760319?__cf_chl_f_tk=oaW9vmhUOYyY8HRGG9rUKRopqECWMwzpnMsX9tY0PVI-1739180313-1.0.1.1-koFY2xlJ7fYCOgO7DIFqx74rX4pEp8BByB2JHWua_pI",md: "FfzfLXjSRO2cAmtdaQy.kfUUwtcmql2OGH8Lw5KKX8c-1739180313-1.2.1.1-fF8_gASdDFaRltkvdF0Z2pxUv2QSxoMiVYXqFv3lFgNBKs42kHesZvcWJEKoMpVlhRSLsGq3YqkoyxXQZQG1PQwFrCmNXZIe_l9kvOXbifOCBmOFj8_pI6RTXXEhhPEiU7pHbddzBg7D2WpiqtiMvDCU0541toqITViOya9rVmcL6ogpf8TsmYGT0Naj3KP7yh93BiL8rnQvnu7o4is_MEFxInHYpMnkT27D48vtp90_Axy7pHHfd9W__Kz4fHlh8L7WqDTqvvVjlrtkhZoSqgLn98lUle5KXFhcQaXm2AHVY513IPcnQbuW.Kq_w4D1nee7YAfkXhlZoYVoF8ewpIoFO7WlMion1Nh3acXeBG_DAS1UuBz3jUPdtIxcu2ULIlL0cG5wSdTQT0y4HD5UnBme7TYqliom12reCFL6.V_8bNC.YUdKVsaXBzImPlEQG_PZfatd4zMVpI.L9bdU_sRnG6vUnqnYooLM57g8B7hziJw1uKxMXmhWt_jBDfMh2E1TCuq8F4vapmizqhF1VWkGoyvxukjC32DeQAka8PSZh3.uspA_1uLmmuYP1PgovyBWmmLn2BfTpOHyGS6v_vy1k019i5riqkklKc_qdCPqc23hcq.63VbGcws4tLcbfaPWqRr3x8XwJe2IjwcV61VjQypam8SPCBUIW49yk67nzYU7z6..EsM4ZKxk.arQjPcK2lJaeR2xdtj3z8M1.x57zLwQ42oCXgeL6bco6btHJwMMajgTYq0WpMS6rR.u.MHs.AS_Xs2b3eP5Q0CSnsPJK3y3CiJC2OV7pm3ol.2GsNQKVsN.qyunLopcbBpIyV9R4h9m7Qh5fc8uTiABHp1Bs_zEfksLbluzE0fMiwnd9.DDMVX8h8csp.An.jPh16mQD_BB1oJUjDnswMXi_.BAEzxTqb2JicE.qfyvvwh6EshnOxEkq17H43hUqw71WuaoMls1wjw8VbcZjW563M9IuRTK_9jg2VyB1HzFaYfsgopXw1UXBoXpUucDmg_Wv9P8gGNWvZKHjkiav.TpN5rB23Ho4fuYss6bSxejAT81I5YRiDN5umulyQyYjzL2BEyTjcBJaUYoBOqfbek7QvP12ylx7CEO9Q_oQCGsF8jlaYrCoAT_Vx21RVlHoBXSLzDlVTLkxveMbnCNeNAD.E1JYgOCkccxto4ftHdl5.m6kSj8gK_pwLqTPq0TH2FxjvnCTAFWEjsKV34uKEIsxZTicxczLa2X0QQE7EIgpIHvO2UcnF0CJmR0eEu4iUGroPEJYYQxMFjM4GxvcIy5j7Bdsj_08OgbxpyQ1KryDMrBEcbinP_BXvfPCk8Djd.nRNDeMLNEJRwEVRwpd7LV1GwCNSnpB7tLEppNpyKH_klN_w_xHP9nXt.P6p0V6OxZIdWmuxpdZlPYtolelmWfau8qAzSSg.CAu8rLBLo.eK9jbuUY5x4EalFtUk1pv8WCoZclwVOS0q5Vv5Ab_hvV_K3VjelqYK7uH5.6jsCjcHPQQQFLD2WvoRqORRTkyVNFFiG0wIFP8XmRnFq2tbefgHoRABRaQXsh9k0bK42ZqiCyBiJkalYhZuJAzKzXhXvXAdBMEYczDn9EBiXpq89eNFAL5tWme_GeQAhcEbtUDwjxDSAarYj6R1F0pwiVuX1zxDW2Sj6LBe1q6nFlgekTIPOywx.DCd5A4lDJag9G5yucgAPi2MoRZ89OManxMtAlq5irmICXb.6Ce8j_n0NDvZQ0aRUjbhHRgA8UlFgl2r8VmV4o0z7cL8UDIFwIAD70WdTef47.SAAF5t.Y4_d6pj.iZNaZZrogjUmu4H8Y7iBDLqtQfub5.eAaqRcComPKmPa2aa18TGTJNXvQNzmQqUC4Ja1kZl.2nE3crDRwSPY17vu9vfYqlhZmYZ7vmbcVAAZRsajG9W8yLYS8o9AqPsAQl9WwpzGgWGlvMvokyQWhTMJqX1p49zHkPkdR8kA8kIO1pa4Tnlb2beoA2zimC89nUz1TbNpsa5oBgcm_CKaiv3POvg0feWaKDVeTLrROHDO4Y3O12mM6lMTQqYJa7EA7lHD.0KrxSI8xIYR1s3gZEG0DBnJuRy4sJdDYgqPB8CO953kk5XKupD12pK21m1nNM9qk0SQ2zCrpxCrG5FYXjMYOHTTAZXnH_l1FdJVoC3KOdaNU.2OOZB_NJqavKE3MjDNRHqydQDevWvNVnGiuQWmhq.cQEV3VfAPPvwDz",mdrd: "8iofHGNOREjr2GaNEwrTKnSnUf_7mrkCr5iaAF1El1Q-1739180313-1.2.1.1-3VodzigT44QuVNBat0q00g7qYJxK8PbLqlpW42AdIuOGrsqkp1MWStS71_b3jC5gKDgS5BgiQbkmFDa9Mupck76CtCBfMURGeYLotRseb.JnGYJLk.A.21YA_Sk10o2UArD4SbCTW0zyHBkiiDdukRRnMurB2Ge14nywqmTrotcrdCEsqMlU5mMCO5eTJLmYNB8wUdqVzc_O8JsMAwn2hIgUDaTZxlpLFFxnRbsENOsaaEsrY70dw43x4624zJt61RvqB5J8cUXhuTR42m59d0cehmCmLKt.aen70XodRf6eyGOAlq1i17EOrSYv4mGRW67FkEni5cURtErUJgB4zmK0iwns5cGr1uCOhEswdTx_HHlWAHyCQYZgRZQ1JCSl5bL_NhzpYOpCSOme4.2K3Q7pjorR0wYycIoQJ5pqNpzs6s1HSpOArsxdj1ruRppFSe0OjKqJgKZvizUp3NQlIudZzTIwZc_ZIhN6mezP5f9NiCtBKo6bNdHJfbSZh.wJzC1v12ToV4IoE0XJa0PIhF.TemiIOZozhHhVD4Oz9pv4tTQS3Z6R6Jgivty0VxnyVToPw8j0BUnBareinM6.kOq_iw96Dh2VbBnxKkm6HyfJxSUvFgxOUC5Oyvf1HhQGJy4gqBu3aaiIXv7FHRaZ9HBZaa81I.LxQU0wMrzJ4s9qmMoMp.GtRT0HLGRP1HDDyfkZq26GSmC2xSKxpAppmwpdoO9UwdR11zphWOPfuej59AwVJ4u87U3T9.aHzamgWexbClJqtfj.QpdSNmO6zDM8.R4e8CtTOjVPffD_iubDhcEyFRfp35xDxW8lPQI1e5F56WFJlf3gs1P2mdzFcThZY2HPExdscjNO84F7gbTRIfm9eDJAGB2ABT2K0_xqsvd3vHC4hqn759APA3Xnw4C_ST3rkJvRvvxQhqcojeDyJwVMGjKbBLHF1lvSj9KLsV2F_JTrEwq0QFXpzaDet0l066uDhdbJxy0hAC.c9QoMnkeyOq6iPslrO829rdm6BzfDIIb7t2p8J0QFjRO6Mec.S8afjH4Y9NEFc0EzTXFwBX0Bq3r5lHQDZaNEMy0UfOePuQacJ9WUnUgfGl5QWBFFfBD_Nyy7YBq2HvetbZyMbECKN_9s9FQIkS44q9kmzyBOx1_LYnNEZHyPueYhRdI6KCPpmIDsekdaRbmzjMC56qwmLYh7J61uJSBEkcGxdwvL97VuCvv1Knu0HgFmdXv1_Nolfi0mRlbLrWmHIUIBYs2XdglS5SnnUPkszMtYq9_vijWgXTk7ol3A0NJ2I04rvAd43A1wMcsGeLgt9S6eV1MyBh9DvOef.u67SpmpS9FSCrm1vz.ewO4ocdrGCW9K73jLDP2rig3PPFpG85llceYKIyivu81xDSXtHSzqLMCuPF9GTMtnJ8QyorvBXxvm63SlgsCtjd5oIKntMqwJMEO6bOl32Wo2sxRT_Rc05nVTgvhSz.4fLRfbrqFCIwnIHpd7zWCitxQ1FpnyMzOuwKZ2FhLDCEbsxxyksIGb9YxG3DTUCiG4_miAQw33QEHui57Hel_EltrWxJfDDZTjtWG2xZRWnhHXupwlJGykKPJYvo1J6Y.3MFsmElhrm7b.GMGtUEJJjd6i1nS_CIZqvYBJiM2X4MhjHjtlHRb9d40cjUOeJPJAdmbli0f8ttJYv26OTOFHzZJ.4.2OnE_PLndeah92x4K968BXNUuF6.87YHViCuoz7Ed0_1A5yhsj0OxSfZS3J4ZlG5._pkSb3_AjIlcDwSrBb_UxqvVbwXsKmYPhILMFntubxd9cBA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb207e0933d6e4';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\/5248760319?__cf_chl_rt_tk=oaW9vmhUOYyY8HRGG9rUKRopqECWMwzpnMsX9tY0PVI-1739180313-1.0.1.1-koFY2xlJ7fYCOgO7DIFqx74rX4pEp8BByB2JHWua_pI" + 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
