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-affe5yk4t.mit-edu.top",cType: 'managed',cRay: '90f3f9cb0e325a76',cH: 'Z2IM927txeGwNQxncluz6epWU0j5Fpj4u3O7elAlt1w-1739105327-1.2.1.1-_EUVBp876g6BJzLr9ftr1tXTdIlbt.raGfKSZ7vR1DUuslBTorBwLNpoCeTzlcV1',cUPMDTk: "\/post\/7123408956?__cf_chl_tk=A8EoRVYq8wT66XNzTdBBOaPpPYo8ZTLmwNbAWPfAAfc-1739105327-1.0.1.1-czF3bdif_BDWUVDeRIY6LD0M4fbZCgf_UE3ON1oBOxw",cFPWv: 'g',cITimeS: '1739105327',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7123408956?__cf_chl_f_tk=A8EoRVYq8wT66XNzTdBBOaPpPYo8ZTLmwNbAWPfAAfc-1739105327-1.0.1.1-czF3bdif_BDWUVDeRIY6LD0M4fbZCgf_UE3ON1oBOxw",md: "OxvvJ4t7BBf9zRHxYRXuJVMVj8Ggw0TxsSE3Rjsg80Y-1739105327-1.2.1.1-P957tX8EUzls58X4K.6pXLLaQx.baIozQ8IXhSuHm1oUQpmFBjdBFGFlqQQZY0uhcek4LHpatSz2guCIGvGaOkC2n28tfdyTwXHJOjuAYESvB61XAiHitJYuqh7LifjmekaoW0wjTvxvzzUMjzXdYLjnFbXyV6kkghLkOQBSmUlOgIR6eJz9tLlwi4VBIOWdcWR4NRohxqhg1jgNqnY.4KHdvvX0sGGMuenHrw9S5fvoGEDW8xW_0vkTM8NaMI1f9p9GTsoNEA0leL9SPAFaswsMi34eUwnK2451ClkX3iTaTDTePfrjQA1nGi8HNjsqzjWRqLIC3Ch3.EmAIPeXfSdcYX6m335cG7hkY7KR5wk6_RGc7U2j1cMs4N1U263qTXee.M2xeqIxRVNpR_sHiWoWU44YdSKlMrAGIATDHmmVAhgEEWnwjs.bfuvs1DgKa_PT9tg8bw1oh3ViMv0e_GIYpUz1H6Dy4Xj0Q.Hm.p8dapKEKmv.JLXLqrJ3tRWOoGROWqH_oYCTKzZcfGSpoogaARmjGoMZcIebO1MN2y8Xef0DPgUDPiRpzTzh2jfcxWcz5XAjUAlH0L9f1DHQMTyEngYpKBcAV9mjaHCbQG3Ydp7Jhph2ULQihPsf5pZ67REfguq7bIqdomm8DaectwK0.OlX1JOk54GO.9VxAd9ELmPu0YF_cS1GMwxpUayuNhzheIzzehQbOu09ge2wGOhqEGsTEQ9hDgyG5bnzKFO2gnjSZ2aSqbTaE4.3g_tlqsbKf6jEcYOLSGHRPdxwmQf6DaXuBus7pMF.KWeDCT1NdvLjQCKD3Ep2bYJPNLhaF8NxPLFxzEppaLzby.skSOeW_b_lV6x_gXu70epkcp1.OWRWwewNWW5VRC6F0sLb1Q.9EuI4.nzVUIOUJSl4ZrxLVaoARj_dRJVzMGK4KiQgM_VHRkwzrbOMl637XIEuekKElEJMlTaGUqPxPyb6arW8CHMHRNoIHwySKnoU7vITFTMhfBXu0ex_somVfQF.JiRsUx6eF__ikzy1r9EWARUgrWfLMBRXoQJm_sMA.S8zp5rGfLdXU7ZRi3RST1_.lzupJQx44.zoh.wSPTo3QkcK_EyC80Vt49FQdPXApTCUEInlIl7_Xb37WpV5vSvLD7d0A8KiMRO4NIIicsjv1fZP5pUE_F415iIFqIUWLiSYD5ekVtDXFmQk7SD.vNNPMjU1rhC_30FBIkG6JNxohyKZ_UuE4uHdedvpWWKLJNm0.sZrnWTRRXCGswSZx0i1JJtncHAjtCAB2Lg6y.5QMIDxd_1euyznIqj05KYy0yfJF69q2cVnrdZCKIv5u9ZBA3diWFFIc2BwJLoDNmCbL_O.oLauYqq2d9d1gYfHfUrOy6vgvJ57K.G3lBuR7I1UlKyQFUdQEAnuqlv3NRmySUIO6EoZUpJYwFg7AgxwodIX2YOG.2t3AgD105DnHKj.TIbsYQoMzKYPsNm6G1n3yYFrDgEo9pRqBpj3j5SNXRC0n2R5cu5ScI.355MwFW.St1elguvcyTcA9OZ7y9azsJMCtGO2R7ptuGljXGfSxodzUKkstZwFCxxO7_EYfYfVMVCWWgu6iCq_H6IHBVq24mOpKob4E2BBqegbmZzmrTz1WwDYHikBtUBIqC1KCFWiRnPw6m.aUodrY5BPz8emB_LA16DNHlPjd4K9aZWBZPgCW67KydtMG6Mpy7I3dtAWeDaCyyiT0Xryy9tmzcw8mwx_jeuO47SNqqCtBPEyafnDD4pXOaWqPWRsT0S.Ew285e9900G0x5OR9n5WeQSumdvQmlBMbgAbcf7cX2FHeu713vLSAHfu2_Da2dbljjhUoKSJJjgXXqYMZG5nN.ofmKWc7SAp20CcMW1mdCTwGo2.1vxQMQDCEjBUG9kszXsllkl9vDVGVyevJ.0yEupXcQaIHTcHXXkoxKGjS7oqaoeUwk0_GeR49E1intbBv8H6NRI3YNzQ4LhkEBseTVS4J_fRh_wWQ7D.oa_BHCbEc_LEVdk9fAahdoPunsWZiZEFfxs5JbwDlbBLGn.XGZhjlNoE9NIRQTyEWCh53XD05Dvp19oB8yFzBplroUbuxK4y3Wz7Ibhy.Z2vRN7cmeg6unlACu0WbjrKugwFiIr.AMGdyk808.iBTofe.lgIRoLVn6Gy46gnK_ov7XVn39RgS0SxgBqSpxFAzGd.isB7YKg_OdwibUFsHbVHU8p4aVSG",mdrd: "1M.4GjgF0tq.jrK_qEmELk__LoLQob5EXgfuguaZnM4-1739105327-1.2.1.1-LbFGEU9gWudN796hNYKA6ELMmQV4WfVXqiwgVCad4Io4Ld9IvyAQ1pTTXkgRqU5Fih7jrpcTSBledMNmnQHVMQjYWSG.3AgN5y7.Dwb5nLXXNE4Fxo.3AZXvIzVtu.lNGAJr.ic.XHIHvmBq.8lXjQX5KavBYxoZRFaiLjp2g63rLY2gYUbXMoKjKmB5CfJaW6sHD4n5sa710ZtPNxOR50i.XclmbNLe4JZWT3j7SEdPVQSlpbBQiqnxyy1ggiBocctVKkwrVb2ETuWtL_rAd2mUL25EztDFNwspQhZ7rGxOPcEumKtAXwKW35GlRuoYDI5yS8NrcCpE92u.CZz8LH2zJGSjOfty59iBhXQanJZCQcvFAIJ0PuQLWDJqT806oNJwSaT8xa9kKXeosqjCbwqmiMt8x8cE2sNhF79lFtqjsIC3EfbpprlMkBtszbuhxBJBzYGNFj8P6Ht1pfQKoQxds.jOUYOKaFmQRLAEDCgrd.tm08VxykFhkzsO5fOPdc_fCGYD1C01S55aGLS6l9TrSYKMgPaV.sRjxclzbO6tikQbkiQPRDuk.XmGGSGwP2_ozDYfVROegE1LcQjqpJEy4gWwZONAgcMjDw9nI.9rJ0u0GVupRpk4tUsNyfipvrUBIUyQqimh7rjk7egmxCqtdGI5AM_S6ks7z83WOJ.BEuu6XQITI1Dy2W8VNoipOuFwPh2oIH8aulmyC0leACy3ESzWYYt_kW6wHgvmltY.r3pTso7AX5ju4eemiX0G9IrEQn74xROSKrUH9LaJvzL6cZxsLD7s1.ZPM_Y5yvgywgRrgIZ1nKPq6l42K0sh2NSAqqeSwX8Xb6EvhrgEpEGiVDtul0gjS30WihdYn8YTvOySUrOwjEIkoYYBQzwMn4qKx0yKbeXFGo7rQIXQWL.qdZiT7flSkJu6RXzFLsuwENc2BU5GX39hS4vmaRiBkNDcHvwWqxdVFytsHOQRQ24UhUlcETOOAlyaq4qWYF9_9PdGpfxs1KQQupVPqqvIQ1a8PEdLk9PI8zsKv1I2ZP_EXFg.9F6Jw9dMC_ca2ZRELoaSrEi8csSE7B5HJ2G_Ozz_XAnN0BGkoBqkqe.81wQk2q0pw2swHTGCyBmLkgq5u5rSG5cL0Og8qShrLvwQDM0QYWm0f0rq_LU7P6qYfwHaF7Zd50DUgT0qM_pxSVGWSE9t9HVovE9uO7oThGJLEU0gC8T_zmwt9iFHYS53dS0qYXGj82eDQUIoggIdaiyOuV.rriLbupZgWwPOVho4F6OD4SbOlWI0Ul4aYndfFPeW5W5GQRtoaSxqjtzrpLYwIjNtinOkKVm1nBgVEYxSQ5h5qtXQIRhAcC0urujxg39g38UgOtI3LWyAwtrLogh4MjE9vbK0EpBoW9oKEshtyrKsBKnfK7uf45NkqovNiWfcno6Bfxj4nc0D_fZeVFAnVRZpSn47DUv6aJMwWGP3uQm_f_kXd5ABzKyJDJyDnqAbkCEyY3Fpe49VIeICioA5jXV.5TyzH7othjszrVFbcBiShQJzWi5pqfYUMmbj3s6kZ2y0tn.aX1zYsXqZopwQ2cH0UStZsSdwfq3e2U3I9xjuVWoQlVxsN4Qrq1ehGzV_3OZZvDcDr1LVWqmnNhdtkEEP1d3EOknZ_22w0iOhSS5na1RVG1VevJqZX3Whq2peJSGFjeSa9iXfFZYyVbtXRquBpVFo2A7BkMs4.BjCUvhJY8jV7.gElp_.SUUOYUmdvx5.0BikDfOaUDj0UCCDWCwBJPfMlrZ_JLyZ18YAd5KWpb1qdB8FIZg3m27HGC21Yf2iahHa47pF31kBleQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3f9cb0e325a76';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\/7123408956?__cf_chl_rt_tk=A8EoRVYq8wT66XNzTdBBOaPpPYo8ZTLmwNbAWPfAAfc-1739105327-1.0.1.1-czF3bdif_BDWUVDeRIY6LD0M4fbZCgf_UE3ON1oBOxw" + 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