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-561549074124.mit-edu.top",cType: 'managed',cRay: '910f1d6bd83b800f',cH: 'UFQ98P.nYplbjpq2y8UdAc6sMj2F.pW..wUzbx9XgYQ-1739389902-1.2.1.1-ndTsL4jVO9k934LpM_MignUiNvYk6kvcnSp8dCZo5.lGhW58yQmwtc8L00rb4OYb',cUPMDTk: "\/post\/8350712964?__cf_chl_tk=NkbwbjwAlJXxKu91rFlPWvARPYY.5IHNQ4IF.zQEXxI-1739389902-1.0.1.1-8AQlY.Vm.CfdbqlIjReLTB4Ap9HBNLEhHV4.xdOLV4U",cFPWv: 'b',cITimeS: '1739389902',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8350712964?__cf_chl_f_tk=NkbwbjwAlJXxKu91rFlPWvARPYY.5IHNQ4IF.zQEXxI-1739389902-1.0.1.1-8AQlY.Vm.CfdbqlIjReLTB4Ap9HBNLEhHV4.xdOLV4U",md: "lfGDbV4l12CxMJV0_A_qKt8EKcCV0ub7Uk.gsCnx3ZM-1739389902-1.2.1.1-EjVEZO0fLFmPL2AkvNNzlzoDm1di1ZUVjgLrLYLwoj.0v8dpno_7K42vDHnqaOYB0ODayKtAy5gm0Yk1xnm783yWOFHJ3JvGuFasC3Ldl58imjdMFzkvyUMAciWUAA3ZDmsaqopeISQXSy3Ja7rzLH1MMuwI_J0kf40as0zsGCWOEGUIsLaklzekHksqiKhFKLjn9gOPDMvG8HASQLwm19n7p5O5818cnJ4eMGGU.xHVJfRM1wByCrPjZ.OuGG9004q9DF7NUYIaAmgkQeK0f8QKHaJ8b6yeKzKl10GqMHFSwuQN2MQFotvVnONJpBA2h6oerswzizCU5Zmb1x4WwoclvHhGtyt5K3NNCPqsY.NGSOW5m_GpYCez_usZ9K20iEwjjj1XZykbCS_OspVU41ybCTwr2AzdhfFrp_yWeWtcCo5NVe0STRjULp3kaAX1uoJdDIbIniwWX5LC_0een.3zbBpyRAHdZeXPYBSQL5ady7j7siKbDrkEpuxYx5RXk6s5NYiej_f9_He9_uwHs_tf7bx_L320wK4pylldfOLofuazf30SXvR5nRGuf4VHoYjC3EVzCbbBYcBJYFmEI4mn71Wqv0LwA56vBiFz2ZUlwQpLzS4nHRKnxW7eanvh03QrIGh5wIYULEObzB1ANSg7udONJVOESDpamkKLBNfIB2xM_6Jg4XUXWJs.g92Ub9wRktHamzzTrA1LqLLTarOSRE5nbeEJd_DMupAgE9eO2xCm1h2PqYcYqh2SJm8jpAMVFs913bjtIxpMjLBVbo3xfcY3XYsNQphZnsTndtJDq21lxLndB1DLCRran69BT4N5Np.ObNC8Yvba0SQ28mdHXspvvdMJMcrn6GQ0UkB8xaIQqTWA9NJL2txOjXYdzFtqYhKALz3MnFqE_09A50BK053lrrkxgNZdgjHE0SpcrU_aw.vOgCYZb3xOVf_0Mi.cbIK.rYpU7ffdtmflSZJL9DynO3EJtpparR8r3og3ShxSBIQnxCsOVWl2YaVTXueELKFUo9033lb4nZ7raLYa1XYViOQim9eDoUSsOZ6V2tjou4qBstQpnko9E_wozQRNG0cLAdq.LC4F84rVLkl3kK8vTdFmhcNnLY0IcMN3lGggB8WrpRIPAg6aSj2lR2hwTQx95uAzHTSaSRkIGIR4qMNV6HZgYi82WaCjBOzU0f4YaqQdc9EUMrpv179dLyO_Xr44eOCHFE7TuL1EL04CzSjzjw1xi70aAO3WAVy1etiZap._Kkvhr7PWcNOUMrB9n.PN5nBKFu.Tf_H07e8UuC05wmNw2UNHIJvD1L.MLBIPXeBP6hNzWyUPsBBQJuNQo3C0HMJiOf3FRW47dfnxLd2Im01iUYXL.Zn91jVGES0YApj6pbJFlkt1GSH3wF7TjYSBfPuX90FSPU8L6BuiKEtz7214TRZpVCBw4jtR9F.zkO8bt8Hn3voGYRVr14kHeSjOAUdL_CMGxnilCr5A3W4JYNBOcQF.NnOzpFpCwSXAiZ7DTMa0_xPz7XnaUTYsffduJhTrFLwlj_vGwzRTrLVZJHpUTFBZIyBgnpW5SCMML.kCwm9qrkW8cbnPhdGZKlwPxUr4pOLi7FTeps7j4K6__18fFxvzcArnLSAMQmKxkYVR9FpQyPaZIEjPLmCnsyZx6Q1FxUgcQ8f_P5IbmVCmtKIIpJuT0RzXMwiVQkDTGAP7zcWjDsTMHkdyBuFGCPpKDa41NthCpP.DUHbFgTR2QWbPstPfcPdo7pbTfLmAGC67JtcfPRvxQa9MFOJu33TtjVmM7Rx1x.Krdto8trbHx5vhj6DRJB2C3_zvJzPri0HzmDrY18d6gs9.DFn8eOFSr6zYTCzysMbXJJhh771gEg_VyDz4gBJV1FX8_6UhFAAG3by0h9FdN6CAzOxg6ZYQVD8SABCU_Wp8Qt.Q6AoZqAV3V1ffSVXR01WZyGGxvkGH6soQVj8wDrdExOS9J0OVBLefG2ZUEswfBW0XX25TGAnTEAUTPvDMSV5SOzW3LCYwPNlyVkQnbbEWjusGzfbVIEwqon5KBA.nnC.iGAkZ5e060T5YBDYqPlg_G5g.JuMNJEc3IO6Ir2T3JwSBpOszVLgMmmYYefK0pJK.cdRvSGX82exxVYUf_lrpwe7I5uottx8wAoWeZ4A8Zrc.6ftCSb3Cp_W65K5EMCEROWhRQ7vuzaYmnW4DCQ8y_xI68zh.xezdMBCo2NV_",mdrd: "QeM34wGUscYbTjhJXYz9Qenu6albjLQTN9Iv5s_v.GY-1739389902-1.2.1.1-K5TOs3zQ3BtuTi6Pjxzd9.E4IyfNcLXpqdlnnXEHCOcrcWzKzgfdM2Hq3LPScngX2skU_K4RU14FFKLr0nCVUzeamx1YFcG6RsxmVfbXzPb1SBHJfc6xYEEAZaAkEaBN7o84zrGYvocbBy7rLkoaBUALt8KH355kIHU_hSJVvOG2a1Z1v_hX5bFL.tQQM_EBhAK4DvXM40dM8P06yXu.fKUbVXr8fhR6Izl9BvM18FGVuNKWKEobqnsTIe1awb0QLz6g9ytHtVVvq9YzqmysUnbbK5ufKbkZpy1.ZiH0LMUcqoKnHVSKnrYD1Rrom9D5Rf5OrRY0mtgZc9qZ9Kl2f10aRoCDTu99zEryufzEjla0P3mNmbvMfBlz8dHLzmNMj9ERK_eA0kF6.yroQ3J3OZHP974hSKousul605CTBfU.D_7swZ9d2RiYEts2cSCIQkS64ExMS8FsA5RkQQsMAwNtrK7hiknTAcU5q8IORbeT1p3pMbvLcvV1.IPWzkg83cT0a_.kFZSYGiOGAD_3d1QhE2krfqTEvi6_Ywf3DRiRuw2YVTIRC4b_lonEiAyVK1mAiMzi1MqGoYW5oubKxMO8zCfu13yGLKQ181XvTZChrG5Cw1pPRKwYBVHYDKld9M_p26QaxyPYyE9bHRTsXScneVqqk7Z3Uhmm87gD2iHrP6lCGSuOhXAHrnHySDxCLm8Ad351o_neFMkhkKslcyMNPtPAVkS01Fs457tWhOxpSCNQsNU_wC5HoEdx2vNu.bMcrLdRjeoowBCej1HUEgJqKu1bxJlAq0BjHgD3B9ssi.YAbMcq9eeTq9bK2Ai6Ra.AV_jQ33Ze43HYvIMpDaakrscsA5q0n6U9nnDQbHVr5fYQn.ZO4UG8d.pgt3ZipJ6AsiaLY0c6RLCCanwKXnodrwRL.FD7YGPuPJqaCWU3rUph7_Nhfsx2DW0D3GCNIJakK7cW26arpwyOrAUEjO.26aXmbckcE8qXuJFUqaGZ9UXQ2Y7Z_OFhVxbIvOt_pcNsiEv.4.ifoBXUVTxanmU.IX1tkoQIo.I0aHE4qtQRgGkLwaruu2v4lJC3t0ys9fqj3xFLf_UwqoKGYB6sjuUCdeCsS9ipcBRIVrGfgPbBK6.T6PJgFEIvk4GCxEUWRfL0fclmYCueI2pWuai5LOdACLamRm_pft_qjTBPfNfs0QTZ4AAJSA_yrVLfAw31P8qM5zBC6OzGQ79tARlwqByuySLBAF5rvDB3UsxjSn27mS6B3x6oTFN993tRn9C_4tzsLlaPkCvYvuxw8cJQJgqbbsReIp04O31ZwXXnLucnUBYwWWTrgWoA9iu8FP6hsy9ZOrMloFqDl6rBhzyjiWg60BSRDCR9BwnFrS_0igCpOdnd5_ecqR0X9.UaHSkkK8oU5V0M7_CAqZR5ofFIMsI.JNWTvnf.HNe4ZYPdfDY1PRO5R3FE1CShk8U_XeMGQezlYHFwbwNoiUXrEJ8jYE1fgZVosbDeLGhMROWqiFAeQ5qzdm4BFtPiqGIvdnesZoDLurnv9sTqkdJtMiwJTK3YxMV4rJlIyJOLyiZBlfJVOyEoT.O5BPRgUdENYEs5hzbCbYAOrSJAn3QJ0QSxi40jLtyTLcELTzDvC9kPXk0YzNp9zMXLP3LOAH9ZE_ozyeDzN0HVfG6JoRxy8.nVmO55_BOn_sgq6tNwJ7W4BH3XyXBD0QYgtB_HQaARKs6uXQqUv.7YJhy9i6h5jX2AJGLFBdM5E4GvrVQLpz4mHyRKGSCN0eqLusK4Z_NPNdNiOyVm_rYmtqcKmBKk_NesUO3wMnfwYdfpWTueTieBXm4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f1d6bd83b800f';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\/8350712964?__cf_chl_rt_tk=NkbwbjwAlJXxKu91rFlPWvARPYY.5IHNQ4IF.zQEXxI-1739389902-1.0.1.1-8AQlY.Vm.CfdbqlIjReLTB4Ap9HBNLEhHV4.xdOLV4U" + 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