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-353659631515.mit-edu.top",cType: 'managed',cRay: '910f7f3299fc80d1',cH: '.gcobHTLKVjvc5bxx0kQjIHMN779DGQ2t.eXDrKJroI-1739393907-1.2.1.1-s_4ugqa53OGkqAclC96aU83I7x8swSMhh7ctQyGcn3G4unqctpdSt4L0lKw3hwyy',cUPMDTk: "\/post\/5960324781?__cf_chl_tk=HvKtMsCVwb0zBlkxX9IPpv542lyg7zs5PkzyX_TmDO8-1739393907-1.0.1.1-Gt8NtcWN_LsSnK4008z2zDVGYHPvGkURg2x.RGVOXJI",cFPWv: 'b',cITimeS: '1739393907',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5960324781?__cf_chl_f_tk=HvKtMsCVwb0zBlkxX9IPpv542lyg7zs5PkzyX_TmDO8-1739393907-1.0.1.1-Gt8NtcWN_LsSnK4008z2zDVGYHPvGkURg2x.RGVOXJI",md: "8mxlo70ekAgXS1sKcAyqZB5RI7VFP795a7GXCMV422I-1739393907-1.2.1.1-k5O6Hf2qPnGhy74yasiXUVF5rmuhvUJC4SIDiGNhj.EzzTVtoX1i241PgtVlbPCoYAAX7xZmgse1_wj992AO5GnuK9iLanHZklQOM6Qvfd9gZ45eoRPBpyZZHyv_EfifKHtLXfhRggGg7L9OST1NxxJ14ViNeux8i8QnOn_qx7ge39O6geoAjjH3CdaKuRRwBl8u.tL0GJjCQSlkEieZbT0C5AvKH8JZXn.skG7VdLLKOQ7D01AQWov2w1KsbUKllJasq.lww4JcUiM0GpcuQh2Fa1D758OlR2IuP24BuVB51xGzDhL2aoyv9zvP58_MI2D1ZEfT15SGrU8UuASbj1.xSur6frvfcOR4ISWYX0L3RiynyNMfkGNTaLKiIdvXiHqgMrltY_HwBTv1jTEAt80O6kP5vajaw_X5x4vzvni.WHkLmreBHCNzLuSp7jWz23QUV1DjmcX0o6PlI80yDBvi_V8U35AjzkoWRgmIujOV7CWU7Yre5k3RI5wOIAS2A6RRkLld8ad16ttPD6zlbTXr0iCwBaDQNM7FORNdfkQhm6.Q7ctNXvQswwUWKUEdlzGutcN2JFoVy6krKpziv5fACfvxwz9XePQAfvUD50G6xxbmT7gpfJSTW9jDHdRARKSTi4PO4kthcVo7ToCv0kXvxpw7sgr6.rk60zhyIwd_JnqkmsB1G0pHFq1IMzNF03Ltr6QDU37r0tHUYxD4RYbwlEYdFsrJQIDyLy3j5dbPjxcvHaD0LtR1e5t1h.dt_1bPeL6FEB_xhdWzd3j93PsFLvqZUb0VUikSCIc4syuyExadxYPa4EUykSppJrOq_1V.FwsBNTgyzS6tir_4NKFICfO4v6npGP864CtUA0ftBGyRFQkZN_4EkuedlOABtm9uBYgLCRkqXFz3wl.25n4iXU0MAtO1WzBcfsrqNTXdfSbH6hbAYEQ_4cF5c0Gd26_UujkMj8xrD6kmfpQolxFztsy4eyO.dCVRhiocY9KLGroXER4Cz309dw1jAxQ47B_WBLeIzbz1_OghVGa7dTL0Pd4SeRWopJiQRv5uOncYONebLMTaViKzDF0c.UCqitG_xs1w7qonoYcIqXqeTvz96mrV9nftDKY88YGzu5baYlti5KjZ8b0p38n2wjILwEDfOrBfGmviH.a.52MPWy2tdJ0qrucJcCjIMlzTruK6IujRF5G0w3.8C5sR2K.VZQ47jNqxVU6uHL7IHwX0yySBfv3WFAc6.gHFgtkXH8hgLIKrU6L96Q7KUJre38otzA_9b9ZDUrVX9cCdEhIu48fiEZ99J4kt8nkYVZ.fQI7HcCmP9LoXNUuoUlDaEV5kwM2oMGSOeTSdZKgfSaZzCAXi9w.3tM7pC1TjAupF9xcyczkYnilY7V27LHy6_Y36TDfESBFftMJ4w2.rJ0i5FCYb3NsAK_s9lIF5oJTUwxAkL6WkuT7cbEiB8ZCXSxTyswqB187RTbEX0bRh6RgUEUaNJKa6e61FtuNiI.VNnHbXEQgORIVhq._GzdsWioYyYzTjbAwIzq3z1r1CcrdE6pYoA42.Ic335AGwqw8yGPbJfUa5yAjOP1N17am_iyn_PrqithVgY3O3BxmMIH09SyuFs5FFnMnTicL69d35aJjvpnHVn0PDXV0m4WUoy.IfBaYJRMFiT8wlgYejUy51gys4LkX0_u5._Jn6_yZgYkv4V7NoGXwB7Xo4VEscZCm1oQfX4_K24ouOM_vRvtXC0xk7YJQNP_TYOIyKo67wyw6a62R8c4Ydx1gGwFbIghkISLMjQHAIICAZJsqZkGi5TvpxKp_SWi_hRYWlGA4tmUXM68DeNeLcJm5oOgdF17qsnko25rD6gsCRRjClmQhovFitt_nEM9KRBCRVg75gcbkmzAveUOkdNAtrJWFvbAR06VzFstJQ_P6uwpsVIRsCOTG1lBlTdH8cRnLLd1tKMlnh.6QxY6lo8WWXD_a6GakbQMHPZDizAlP1MOFaIi7u91_34ebaSK2NLSKcM2XicRJqCu1y7XaC6_vGdyfin0IdDdImFVtS9heXSgLV7s3pBLMk3Gu3umrigIXMCQxldi00FOnOSaiB9dTKlYqv_o7b4s6nvkmtZLfA3GYtvXQx.mWOKvWx5YFe37MlVNi_RvGYawn6yA940E0b_ollC09a9OV2WOTwGCTIzmP8pnU4Lg81GD4qOVMyHOqVoOj1ud7fhN5Jaw5PV9C2F2HXuio8",mdrd: "kEAYTMVc3Bw8MmXG_i0DQAWHOVJ.Wo7AuM5AAZdOgCo-1739393907-1.2.1.1-myndQyOYCIHk.Lm1tC333S6C1vUbJQsJK93KOdPwykz2unrCzjujWuOrYfxqwdyGLVT_jUeuR3HkGBqETb2cikYf6.iNlniSlR4W_rTcZbXtyoH3EM696MkgEW9UIK_FdaTSpk5Wnz1gcPmutmmSnaBPm1Zp2mp2nmS1943DyFvpHI9KYYj_kihjpP6KYlJP_E3gyicKGH20LmxoMNFrh6AUSxLDyU8OLgeyKFW5Fs.RIgvwpjNMB5Hjxj0S7vV8Gfl7YggTURN8lBowy7WjAKcBmdVg1YE7KOR1cvg9QYEm.No8lPNPyckHKLno3w2iCHCqUHTcwCUF_VE7PFWq0z83rft4FYAX22R889FUBDWT8Umnmz3a_d_K2b3WCczHm5Uj02qqvJG1gXXQrZL4IaD8CRMaGC4WEakzM8R5cAAdU3d.G7gMf3.MjWN4bLlzhRksHJQfpAhpKeevh5Pt5VSjxd1_1NP5lzGdaYicdx38jfjOYJ2QZFCs3GFU2vHGf_TG9aMsEgNDL02C37jTRQItI82f1qAPjNhZZjwZFueHhhQWm.ynVssi5zLLTfOnDHUmtWiOvTMor260ADs0enNFhCgp28aIhew6jcGEHnorhWm9.lgxW9Kl1j0WlS51u7j.yS7eN3ESQ9SpGQhutW0YsNN_XQ_hkbYko1Nt0qft0.rv3ESOMkU0a7VVvoDNxEPjBr3HBEUKV1YARloh6iGxXqLJHrokKtGD8_7A4eiR5LMNsgMpNPukPDebypVfzbbVTMVbHkb0ieqbgjlYrMgLe5t7AOVlJfV5OqHeikVgDZWM74DfBBbzUlsW74_dt116xqqmxyIsLXoM6RBGEGF_Arve.8QeW9GmC9sC_oKDkp6kAgXa9MpmF3ymD7Zi16_QuCueluFQff80RTnV3bLIvrDLey.zjgpg3RMRgdU1VvYk5VH5NErwAROMKPR_Ua0_uVtOPoDXJjpr0FVdPrGpkZzxXUCS7IqO0gcVY3xnx457q31xz2NZI6B8JP9YGpnYp.ADDZaUr8cclYwyBA0Xiu5CT3bFIO2Mk2r8Wb6jtMn7pnrF047WC.5pAmea1TEWsMLhliklEbGl1VFhDMUpWiSdLUYUAyRAiKmRUhcEeU2UburnGRZFqTpSR_SFGWyQ5aVA1Zk_M5WsDutN9jAV_2H1xrlALh.K9jcNlLYlKwk.w6vcE1kWUw9a4wApI18VZK0niSmoHMsQOzpaFTArlWoA9P6bgMTASzp2sF.1AgjwOMFMnbRu1GBwJ0XCiOx3FRcMHP8GVUvr6q86LYZOwhvRbX3qRSbIugnUQzt4vOsgAkq15_PYG7AxbBBqS4g.Wm6zyMyYfAbl.pMeEaLFP9pNg5s5ifd2aJ37Za4_l2kejt0ux1HtIIsXcaanRShlIKyqP.h5XoZXtnZIu.adFPtuQr7LRxVYTsaXlLzeq7VjD.maU.sHqWwDbx1RdZeyLPSK7pG3D1XbZSREF8jWHZd6ZPhONhKAR6gHA4jjf2cqaQFXeE6PlLkNQE562y0KT3cD3Mzx7zec6VJAnkUvryAIRNJzBAdmD7ArMnmxpuel6TcjYIm_o132e5n7RP6VTJovymDPOEimlAi0hUtmSMV.uQjTE5ekztiumMiHSbZfcs.nW50KTD_tp3RadlNlJv0DKOhbCjr06JYUPBXOhASjPAg55.oK4x0T_U19hi2Y1Q670aaMOwxCfhz3Fa6rV51DQsX8d.r2WM1F..mtGl8zxB9m6S_4GS56kkntE_hDQqOjvrlPJnXHcqW2YaHit5FjoNYabSwjF3e99NhRxM2fLbofX6jvVzcczgk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f7f3299fc80d1';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\/5960324781?__cf_chl_rt_tk=HvKtMsCVwb0zBlkxX9IPpv542lyg7zs5PkzyX_TmDO8-1739393907-1.0.1.1-Gt8NtcWN_LsSnK4008z2zDVGYHPvGkURg2x.RGVOXJI" + 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