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-873768847156.mit-edu.top",cType: 'managed',cRay: '90f1bab0d89220d5',cH: 'eornLeK8ZdiRfOE5F7A487cYPuB5fhJMnKh6.5fHNvc-1739081771-1.2.1.1-1LoybdXySGr2gEgucejCsnK.1bOpAgQcev593TEwXaxD0RqaLOF3eqo9BSlyzeiW',cUPMDTk: "\/post\/5732140869?__cf_chl_tk=AfWeehdN2amW7LjO0xdsBCdeVK4RppgJPz7LlBL3oH4-1739081771-1.0.1.1-UHeNDr8eMemq_5b8dW4dYG6UFODlBtmvYSnyGWNEkpM",cFPWv: 'g',cITimeS: '1739081771',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5732140869?__cf_chl_f_tk=AfWeehdN2amW7LjO0xdsBCdeVK4RppgJPz7LlBL3oH4-1739081771-1.0.1.1-UHeNDr8eMemq_5b8dW4dYG6UFODlBtmvYSnyGWNEkpM",md: "puh_aRtUnqtRRP26eR28T4iFjFe72CNfrWB4nNygbxg-1739081771-1.2.1.1-NpT5Ko3SmtF79QFQeJSMVlmAZxSiJJqbgR.8NLBuOp_qlf_PhEWu5bWBCnqETdSueK1uZDLCM5YlI49R6bCZtFjSWyCqF7yhzixVxqSMROiVTQBk5Nfgx2alpv7DAb.GhB4eG.urEca_Go2bU_poIT2ZWjnX6CJmxbMW5RgXkQyjSZZt1Ikrt0Ab.zbEXi1DNW8MNadRmnUYaAdRrE0N_G0djITN2SdYlXDo6qKWB5BzkGYIIlCa0Sp6wox_wcngdBzulotj1lL.MvWGMeeBOUYQctENHSKDnht0BaGHghNbQlahF1GI.1N.Mz6uHZ1mIhTFmsAyT0apriwB0YP7NzGCGOTSxkGd6dQFyEU9a6Ua0SaMAAn.AWYSiYEhLW12qwgF3asSuZ.OsyTsW6mP8EPqu4JgXvk0e2lSgjtnhDfuJ4xp1BZ5hpHweoj.J6TJeljD7Krvv59qiY9Gw9P9SzmzTb7qmFOKYVhfJT2Ga9jfLD313tL7eNtbpB13GOuxnKeNSbQK3uAAVPEB.lSx.3XtLQzH3xrWG7wBzJgKxLZ7jPmIv92LaQOYlFe1VPwAUV8T6bKtc1._Cw3_brEGxgu5qYsvzvtwLLxs992nHn0ih2870qYJ5zWf_DoNYu3KppDKnxYDXpqyhPiSmSgq8k5B3bswVqzfUfyxjHab2eshoHUTVFJPhDQ95rPzww6H7aUO6sbXlxqITEWsTdIlx_EcrbkeKFaBQlKt043fb_FUFCOpeUthKkC009qm9lZZaJsrLYI_HuxUt8UvHK.oUAyZdKMLp4lEjvcsDWtGy18qo1aQs8.vb7W0ElypKXwuCAMsF524nK8.bG_iyoGlOyRSwKqC_5dp47ATvhbY83_t_0CaCqVe7EZt6ybbQbvDzoElpaMo2_Yl.K7TGDuytBcFlTyh2VncwxchznaJqUfCAqC1xa4gxgu1eh0e5NnkmgecWKxWg2LacO3Vn4HlfAPLDyyk80wwNdXMPK.fxaOSENJMQ3P.tInYrW1qrXb_sXX9tIJKQppuRL6yAYpis1RAfqIcv.bfiykaf49iSCI0680.0hfsEjftFIO8ZSubQr4drsEbmcPdMVzGkKID2kCMgLYc3OupTIDRh2CJr1WBcUcFpd4cKALivnIrmtt5.1ugYimIjvBINe2_uA65lEMyTp8B.wksIoT2gSJGI6OFP6dhbH3fQLM03G9QYbl4llnliLA4Fn9KudAJUwrlhhm.aAhZgb8RWdEcFfLRhPgEw.G4OMlGQmMxpdPspWrWd7ChrQkj40w2fmXyQSjgPwYnQy3JenPw.k8vupskLvSRm5Y36npO4WQ1d77lyQMgV3mp0Otf2FJuaNVanfeWHGGFmeMp4TasPwCGoh_mJARBhAb3K6N2QYuVNGYnQhN3q6UMDg2be48t.P2ulSgetGLkR2IhvjXyRqGPbc2M1czbSMZOV8zt_XGqu8tCaYJi4ykU.35YTTe87hT0VWV0QkChIvdlz2.K.riaEfYL6CDGNptNf5kws5SGknFlLY3_fQUDRpuadssxf7GKvM.0jWHm1PTxiLXYbXhZaec5Wa1sxXy0wHSbvx3daSLZG1IDzqJFo2pfHGQZ6byC44X1xO_dNyqeMbE6wjGfCeUhJFljc4JE29X0EgLfv2hoWKebeHPu9U8n86VpC4JGAwGdp5lryQZTq9vKpN83OeU.ASTANRanmdWYMly1MrSECZwivt_ZwCS0roeykqm3LU8Zt.XRDZua6Us4ddE5IZYcRbPqzm8R6MVJ.eUw9m.yK2niv2F5y2pnXTsW2xeYu01k0Qj.1q.fFBvPMtgCtLZtI4TgJq2sE95Ko051yFKIP5hl3a2fvvF89WGU18h2aBOmi4BfDuUN3ER1_KiXiXIYxTCRxBsBD8fQIuwYVrAQoBNPZSA47.1UBpu4QPQ7FL1Q1J5oLWEz_ILlNfRWi3YTcaL7IHUPZyrALk5qmyOjEAZAhh3s5lrefY3iD4GYEzYdsbut0d5A4BeOtxOFX3sxZHRwkqiM1Wad4sz8c5P95rTN4zWJt669sy80S2ToO6e8MWJgAOmUtKbiwl6HkvaPDRIiji.UHZdvprWgvuUomVRpqnHGMkRV9Qxwc_KL.uS2qCKngjxWtDaVGo7PaJkbK7QHVgXVILqnrE9.F7jTpF6OuOSHxd5Y3jaUw.d85AQWxByRClyY4TaxkArBCwbn4jMbrPMbn3ataJtAJy4lqlMK",mdrd: "7nQ.qK1W3uZ7lKud52hA5dgK65ORd3Lpx7J1OJlJruE-1739081771-1.2.1.1-9QEZVXb7H_2EPdvhawpvVWp8UBGun_csCN3FrJbDeBpTH.TFy5CN5Y_6HWdMBZXX3LnUK1PMq3vUYqAHx9wnLUjj7px3MF2.e5mCSONFjwoY93b06AkzSh4Glg1OJXd760ceqsap05gnfGIgQffqF7r9yswekLdjtS1uc6Py6oJmcsSDzr1gPjjK5V2hKh5GhLzg9mOwX5X0E0q8LqUX8MQOjxw9VkTjbsN2Kc6EZY5miDuSLmfNd4sILLMcYytGEo5QCgY_C9cfN79SFK0.cpDC5AlxsviYAhDX0C9q13_PvgL4oSWIq3AdLU4MmlKUDEYN0sx1dR1D_cIZAK.vO.LW18bAPdDFDFx1s9UDrCM5fRtu.CuftExlWHfiEfRpJlAoOUqLsLvaHf4FJ3MoNp3V2S4PrzmtRYDYE2G_BxkMV5Oe0SNLEMVcOsw2gZpvPfq47GfQYfjiGqskwsT9lAVJgRQyxCL2hTZVYIC7tykverSsMjv1JO7gCVkAj0SzMB3W.UODH_tFo7Ky3Y97mohiuoqv2cpjARKXIK1Y0am69MPh2LdUUnM0nPhj8MEoXe.XtL_2meLFs1UdemfsvLgU4yGXpTl5uJL.vScnv_7DLVSz_MMoVJxg8Hoh6aAXy3DksN5QPeyV0eF83f8mXoU__2lnhj9OUaPnQCMMo6s7vbE75N9Vn2ZS2_TOQVFqeBL8H.ea17E6tcct2PCqpfihG.61cYWnDDX8tDTfuqApH_T5pemmTbrdS2l4gev02cCiAG.p8IG0vqOuEgo14Xuq8smZsxFsdM6kYIePrbApz4HwLBStvYVFvzYfsMOO2JL5buOCozQ4pfogR72y39tDuGS8mBnp0k4Dy7WK0pqLUUwYQBbkiDSLPMCUfBQBtqCBXoA_YbIk_5p2api63pn9H01g.w2s.mekQ956CrIBh5zxaV1cB_JUyRh7lZLwnagaxv.kCXXBnIuBVUIM3v2mJeHUoT0kTWSLf_twVzQNgYm8P3X8EffKX9_OdOAJf.wErkNw3W_Ewe8DX3Aa0lo_DXWtbPQvhfjSJD5VMo7T2wdBY8Wel7r0FXtrE5fWgWmmJzZaKub4CD8kdGsHZmr.73A65uC1P0EbWUiXcSWx4pbDXc6eiYYBGsuaUhVcp9_WnyGb5Cg3AUkStY3nxasCewbnjK4vrPozNSI37PKZY6lwqd9DQp5Ttdz_ZQYEzcVKp0hdVIE4gCrB.iv4zmZMwgy6SS.fyXAZB0ZEQKtqOX4LVjeVigZ._hi_D5iUTELphodLj2ySkFy12vZMbMb9WH9qjLsi.T73u5Tqr68O.1PwC_szd2shC1gRGFsRieqL1BR544P0.rnbWqLNOz2d_77SoIjjsbJXxpH0zuEIlO0esNIuYyKYtdHPqhHFbF3q3HgOWMQ9Z2dKaECYkXcYQZR76QszRLcUzFr95q1URdTvn7rDqCLoWlBvIAynXUa6yFQyM97YzF6elSUrtS4a25EsW5t2TZ0xT44bhDUgRGwOepfp4zGFDGeN80HxueddN3Jss8a.aHuQ1Zvfy5lsD7uKiPcS6VNcs_dyX3Ei2h9_peIPnHHCvqF4EqBZ8g_y0ELh7iLDSdh.YW4U7FqrdZT_EL0EV2Sjzsz_ORe3vE5seelpTcHIl3osvEk5czVeg8EXiplu6nwBIEr1mvgtL17mKjCuvZEaIOVTygpt9_ueU2MAOSIiHSUYuvc8QOR4n61AjP7Nx3eIkxKC7CceouP0di1C8JhDI9jc8P8pQ4ZwnIsnJBPNSYpdf.w68Z2bClSNr7yz5phWPeTt5kTTrruCDUKg25iHEdFHrsLEL5cQsUisPz3xhzp5LXyq"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f1bab0d89220d5';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\/5732140869?__cf_chl_rt_tk=AfWeehdN2amW7LjO0xdsBCdeVK4RppgJPz7LlBL3oH4-1739081771-1.0.1.1-UHeNDr8eMemq_5b8dW4dYG6UFODlBtmvYSnyGWNEkpM" + 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