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-674260088245.mit-edu.top",cType: 'managed',cRay: '910ab08e584f0629',cH: '6nZAf5cl6GnkRxvJNO_lB22sZmnn.Y4PJ8oy7iHKO0s-1739343500-1.2.1.1-6UD4bYH1JWDfYitlrbOKQEDo988uSJfoQ35L0cuRnRMi4yEcZq4GBpRtD5RJZyqo',cUPMDTk: "\/post\/0281963457?__cf_chl_tk=Kj33DGeVB75w3VmLpUnx8bF136zrYBIzumnZvw9Iu5s-1739343500-1.0.1.1-zMRE0apKuIqunKkDbbWO0kCnyNmymZXmTx8OydDPtuI",cFPWv: 'g',cITimeS: '1739343500',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0281963457?__cf_chl_f_tk=Kj33DGeVB75w3VmLpUnx8bF136zrYBIzumnZvw9Iu5s-1739343500-1.0.1.1-zMRE0apKuIqunKkDbbWO0kCnyNmymZXmTx8OydDPtuI",md: "QADrkV7GjVKMNKh7XrPXY4JTP7h9uV1Itmv_B7W698E-1739343500-1.2.1.1-.oi2OueekkpXtR2ExWqPEfwA3JzQclnPEEZNr3U3EQUEgPMQwGLDi4w.WvQOjgQSM8yuQj.FSKJRIhfEwYzmrB8WjqULSnzoTXDnaj9_iklVrJTTOjEqfzflBQgwjuATFfVRrNsxyYCR5GjgisorIKiuFe16uOuVLwsCuX9PyxXVuzF8D4gNAuEd3_1O.lncEdvLMZmJxyUjz0m1eyIW_0lwgfrcvirhdkRubkOY6cXmcwvyUim5L3rfmB_g1usFFKMk2Z.s8VDbrsR8FpynkUwuMJav6lUMHky1TsrOysIwjPUmTWdmKYXnnDLpOUHoDEd29CuK5oG9mB0EQJlDxjmF6DU07iTp2ALVgotFHIZJemfQNjH3NE8tt34AowlJS5T6qB8OXbQDLEQvt9iRrlpxnB8OwxDZJJzBDwTryLBenS3N8HTIMF8aDLI7e0rC5XPNVqSHMU3K.Vx1qOwSXTEMCFZ7CinJxrrIDKQAW7OlK3WMLYyUIbOlZP73KhIJsrhFolVJhsXp06A9evy.7qj31ht.YGdrJQF5SuiMqwPmMqXDum10OLo5XyWTvgVfsHChuwhYkwDITPaPcb4MOiEGnIy97imQGmG._Z7H_7noC3nMDhp99Ho_Lb.n1Tqgfzz3ObDorO176IvcMDaO8PFZw0V14JMrzJD_PQzvkNjO8rRuKsDSf2fPrueKOKRPYEIEx4wLRaQovTD7Jo3fd0D0TQdXzukQi5rNGCh1aMwjgvWyZNxSi6h2ZUI3fwMNHgRxhuI31I9HMrewbfWJJufucyJnsN0h8ZHDelTryRHR3RHqrCXyIMnCC8Sp0eCtLgMMfO6lCtS_M3YebiEdDP0Ejs3F8v5oimnm2CJOiBT0VnjAvEbwW8Bo.GNInn7Qt.EGhSsAfAg1s_ysW_1sTiVy9EF8GFbtC.zN4lOXuOUmabkVBdXa3hrSY_z_5ANVO.vivzAG84Dzrtcg2DKOSntIix6GAkbHxdz8gJua_Xu25VUhSqG9MIF2pqffyCftMJHMxaJ_cjc07I4Gh_WMPyl_90LvGRe7GHL3W9Z56Yg2kLkwP9KX3aHt71OLknrjFbCNJ0IkN382kRdFwNWRIxNZ2EI5DXdxZPMphAcgRYPBluZUhUNAzfb5w2laIBDauQ2jur_M40LSflUmHjSYygRSW128GiZ8yWZWm3KIz6YONNEyJDDn8DjakUsnoClFBCMdDSaC1HN9YxJhd1uPjp34QwmdrKDz5cjow6xsO3vj7ycnJlZ_yLGy3_hHEuYfpo4NHWCejnBDKgLXY1ZknsUI6cOFB_EzoI4LM2kdjs_cLaPqOszS9HeybH5Q32jy_sGzVlB30yq_MWMrhAFPOcuuiBFVcH4RyBk4V02NTiBqPbPYjT_Zy4RxszFUK62aZ.tcoZPD0lMaVXFD_71LTPLJBjVLB1I5CnTZcWg5vhh7vK93MKSL1lKr0qdHthTc3lichtlo1Ku0bcX0R9su4P1oULCtSGZjKvPGd9XQleQR9ZenvrYPoMoOnOImA3bqydjG6moku61wn2JyTU7FGEuAMrtHmJQ46Vdof6l2hYcH57v06Cq3b08zFVxR4bt5SptkVDPvpRMuH0fwxAZoYp83XZPJVu3Ml0NQzKsPXXUnzCso4fQ_gkhiinjCjz8IiZWv4RvGFlRpR9lMqMzkb3aFJraznRin12zjZSUYKvN8ojAdtOoI8h.atdcBDSkjJA0KU2wbay2dMMcTdMYuDsUwJxPMpbIkTa76te3N9ZbNdgxuNnKXyYHO_8evnP0ywSgfExEzUdarCHeV_OTyTVAsOUqjB97GNSFIr3WgS3ElVVGRdHYNgfzy7rfYJ1NDsUrEebOXHC2IKIuEoYrf2LkUep1PpvfKDW4aOTzM49szpLg0ZlTX2_vm2F89G1HiOzHXeDGo9wlx_Qq4aKSZ0M4SK4hRxmaFzf3NdSswWvW0MYvPgb29TbT51z7VvHVRA_iPbfM0pxkVVG74ko_tKVMg8cRLwLsboDr6Q7lF7o0CY9fhi51EmWbE_iHtAF4u17QKS9JO8WQrOaP_byiwxsonmpS6xU6_H9eh8zuFdbkt9ZddeiF6ptSynjFrxEmN_6VQkITcKRGa33w3VjKxBkn4QFLc5UDJla.BpKY4huGH159HlUIynOc48eqPi_dAc1Ip1MO8U.Ul2hC8p.RE1m8EtM6rZcJokMxdxOotp.DRB01XSaIrXjCgOBEpS7XO",mdrd: "F0.zFKBM2Dj7._NHX28rpeBpwStg6Fc7woBgcWSazNs-1739343500-1.2.1.1-nyq8itn5ts75.s6YNYEdONdTtyKSssUkKG25jaLhOXngh2QUXRTZBgBXF0yhPFmA1pxOvJiwqQStc5JpnF.X_jdcZPosrnbjDA_hFxRhBwnR8i65AJN0NwJmtNsvLrrPIAtEXy_3mb8XqmKZrmJ8MGud6DxeZqCHmA4qiEuRZWYgc1oeLtDJA3DmjdWxhjF5gTs1UvF1foDKWOfI1dbq2QdflFdbuocChXARiZqmFlC0U.ZUFxikD7VQmwOYNVdMEMaFihq69Fp0_X_h_bmLsbzXqsWLqJQAUhFFNcoeH.xx6evnDyPMNg1mgyzXjnpH6K_nI_6M8m.s37QUwQXG8vbiaOdwjtErc3PuU7b_X9.ElFClWf.8lSwvqg6uN_XgcstF94OtAFeISgbPZk8qyR9crNkacTHTn_W9dMAPy1De99vYBrXsZTlN8CNqji6lx5hx13YhfA1HAeUWojU9EVomryH8EjPEWyHXeKw1v44AEmkehjPRPXaWcYWkQhfxVYLOjeTg6qJj3XJTZVmbqcVbhPRwVBTqxAOeM4HYFHxqclf9ufyM1OKwNy9nKR_yVID_esxzlpdcz.gogdQsUUATui2GdpXTE6dnsMhEVqF.EvXuNoY8K3BFA27v8PH90NtTgiNdKyJAoryFKwDFqJ_h5WJe5G06So9iERSF6onKkfYwiZnuRLywgU426egxQ8gZ0i.s6C61jFFONR_XEF4nSlsrTMT_P9LC6dodJxaJvUw0g8HDtEB1D5DUIHCIyRUf8.7M14bNlN0VihJbCfhrer8P5mEabXWQ8qmsWByIJ0EYmYoK72pyTU0CS6fmJEdLLz8SzPDHCE1UDclToAbRzxsniIza96u6aBnFyUMAN1HYTjBgUtukcE1VkgUzUcEqzA9zhUwBYDIensx4vKX8LFiodVb8xh.sa4_JfTv_442GKc880dxM8WEBfthiQPzQ1Op_6C9NMlguX45xKDhMQrX_lR_A3LieLYTf7Yjtb4dWGyUANM.4mfQxT0po76oC0A88e3iiDNNP7A.uuRLY6rJURd4TqIX_3r9YW5mhjtjwsb25B0syp1xTNueXMh7kc4IdKYZp_KmfEiw1ZzOTHXDljBPtFMG_jjn4NHCLMN5.GUcN3Sl6Mwi23.SGiAJ.RVSSfDgYYBdM2hxfXanPhP.rpkjC.YPVJiJfKOOWtakaMJJdnbzvfNQIt1RIL0XOpeB64jHw2lWV0EGRWmo8nEJQoB4E.sQT21BIJxeAzwh6Y2dcilaJqKlNagdOO8bXv0wux0wn25C6YY3CqOgrGGFajiUQzb7BKHtAdQIdb6De92kj2c7lYhICa2iLAW5b4.qsYYHil0F9hvG2oUDgiUys07YkcNzmYgE2Tokg3PhCVfdyjgH6Zsnj8EG3h9TJGWID3ovNXxPAUK5BN56cfy55UpElOmJMX1HeopQl1j4hEnGHlcUqwnJzFAMAK6AKXpEv6VaPK1SFv9c8A.3v5_XZRWdA3JaHLujN.vil3u0jv30MN2quy4ae0Zd6p.1FCuYVzw2aexaK2O33fiwfF8P0tG0F1UR.UiYD6TmUZu_oe7HIomu95N8_KM0dDRHU2JxrwQ2vDFWKyZLZAoL2jTzmFhHxVKP.qbMZA4cUrwlZMy1FTra4a8S_zXhYSeYqnDbE6HZ4SdY6l8lzda79nlBc77Dyt96OZSq0Ai5TahCoSL05T4cqCsSqglox6s05.T3jLD6KJFRPFAZ7qy0ib9c82GJQDLWZnz2dF_QzXHvpwCGa4NkiaHzZYJVk4J3v1Jqof9n4w8gYMBRkhtWKMTIF7sbG5WZmYc95fts"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910ab08e584f0629';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\/0281963457?__cf_chl_rt_tk=Kj33DGeVB75w3VmLpUnx8bF136zrYBIzumnZvw9Iu5s-1739343500-1.0.1.1-zMRE0apKuIqunKkDbbWO0kCnyNmymZXmTx8OydDPtuI" + 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