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-780007627020.mit-edu.top",cType: 'managed',cRay: '90f7ac1ded6dc9a4',cH: '6Gzvx8yvqtq1q01e_tWfGsjCsXbE50_BEfVBNmz.IYs-1739144089-1.2.1.1-7vc1XeASQAYCiecPOteOLiMQGX7TpMHImFkAiVeQjM_ns0YHhniq2BPT6.GywTWw',cUPMDTk: "\/post\/4159086723?__cf_chl_tk=94_kD9Ouee1CF1_FAJnNrGE.16ipyELSels78n8Nl84-1739144089-1.0.1.1-VPneYV_S9aeWwGX24K3RUhSd3xbEjMnaAg8ZuERp5kU",cFPWv: 'g',cITimeS: '1739144089',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4159086723?__cf_chl_f_tk=94_kD9Ouee1CF1_FAJnNrGE.16ipyELSels78n8Nl84-1739144089-1.0.1.1-VPneYV_S9aeWwGX24K3RUhSd3xbEjMnaAg8ZuERp5kU",md: "6uNYSZL_mTdPSJFOUs1iv0mHlcL00kgSiIcEEzTg5es-1739144089-1.2.1.1-Q9fKiPP7Xu2CW24cZiWz7o3jJrp_1iGw6OsvE8donaqYFqqzXRVODw523x2S6VSL2a.vAkIF85.1mSj7QOX848x.HSQTrFHDIuq.22p2cRmtzqp3lxpCzDAsUuyeNmzUlNkgh6VwK6P9.byBWVEGqhHqLCfwUi0zzVAUyrWN57TNmSXO3cfkfP6er6WG_6HWJKDlrZNi7MIwKrGXhdwm11UTRSiSjCb157K6s02qfwIJLhURYodDL_aSsmk2grDQlGVVqRw_JPX0PsoCZCQXmbQ5jEt80Lr6LkVsb4Alolkf..LWOp0BilR34rjxeU0rNjWVcXRCeqo9XWF_uS8pFvFLumxOIUrGbKiT15IovOlrf40Vl6P33rmICEPjzoLYR5lWC2LLqshpKiOqKsaWtD2cO6Ub67NN1eSCo6ON_tf6YnmvFrLSo_TEFL0LVToho8ffcvIwd4yPfYYyzKkv0Sn4mqxrj4AGHuO_XoK5CTG7joHQpXPIa9pbMB.VBVLCDCQrBDE1JeRFnSzRNSIu438w6d5FJeo3_IRk95b06B9yoyTKGpwXEyGarHf1xDhH39_HxIlKtRKvW7I6mKga.dqREBXuROPbkyZjlyZ9yWPaSViT2XPXlCGJMiychRn_Xf0UOW6HhWD8gRMLR5rrR_2c4c6QV2ZASbcBxYoJIoBoI8a.eVuCJQqvW7ZX516Dyj2g5KKFO7da9ya0IttCRjdPy2QYTGrhQ08lAYvWsjyWF6uyNx_XQFzC9TnWB8gOpw7NTpp66pGLP9TzpOc9i5hKfnZnyevM5oyTt.6jeMHRKksfEuoILXU_fM7Y3VaYHGasGQCl539CVXRmbhPlTjt84r1mhLPIaO_qykqheGDI_PXlS52lszxo.kykebQjFa_BLRRymxb3HCZrDGerZd3R.MOIArto2Gzput7LnU0ThInq12pXBvPT9jQRAPjeYmoY4wfyRLOaM.osvUHeg7YmTu8s9daeyL_aNqeSycMPfiTNZdPOC64Ne34gO1WQVDgbQoQJ2vqKbTErrd3xVx8SwT9IzvYNTTlRKHAcv5ZVmA.fGOiTxnHYV1JEV3PaOyoWZEpXd4HkfR3_RxIW9G8iSAyDgiETunUyLVxQ0RkGvYKTRxrfsr.g0UDRQYyPkbGCTIdNlz2ElpcURngBx1GPtWC0cRK3OBqsmYrPalQUb2qUHgtG8o.0W3hWfOB15X5TYUVjz.dEOq3J8sYNT9WRUNM.HWeAa_7qyDuuNP8a_mgb_3gtOL3y4aKn_N0bFQ9UP38hzHwD0lPtCmYJbnY9ZmfzIfwcIr9sm0qHVoTEAYrueDgsYJ5bgntMR1QJLad_snEK9RYKnegG1Rd8pSsVfqBQ34_Jim.0z_Crp65K0gGSCHNxF0xXSTGlHWhD8Z8y.AdPvs5ee3pSu2JarlJG9Duu3PTCbbpTysZJEuIrt7DKb90fM4uBWbzDO0APO4NUQVKZhsCFjCgqFGqIF6fLSbl5N8R.Hik4pXJYNEjhhUo5vCALbv2MvdgpN.QkfDBvZY7_7qZyxDmwtPqKGOrRyyXWAA2A6C7H7QS24RCYLFhQ7ba1mdWJvsnQZPL4M.tOLaANzgvwsOK6TToK_zrhQnKIObnlwiVBZp_rgZ9IV7NDw9FHe4R7RHNZdtVcrM0Pc.VO1HyDwDiBotyrzxiai7u8EB6mXqe1_eSE7PKXD_Bd_bZFe8W.7BHuEE6r_k.cuuywcfTA8hiYG_L7VDwyu5G8rJhbFuea23LoXU20XgFB6TKWRtOP0ZRtltQmpacUO1I7B7ep6OnRgYEsB7Sa_lGbDSXtu1UM3y1I4KHcsEb_gaz.6tX_siEg.aJA8fPPsV4yRvO9x3NJt4v0Yz1kFqK0GP8I.MXyalmWj0M.irwVIN2mSywVV5INBNTakzuODYkYbnA2_P_dPro2KNi5EpVL0gGyCUR5K8FBvvsYBUDjsUK5iNuOOTPn34AcozwuQHUkx0Y869vBgSbL0FFTBJpjlN3Iw__Fi297GMxkpyB9VAIsnNQaZHCpNjoRerPQxu4GEG6Rj2NWTja52gB0LhDXviQlAHkXQPKBpA6LNB_aK09Gs9ygka1iNXtGelxuvGN8_Pwswh5bN8TfIX__1Y0fcgurkMJ2XzdZ2R3j_ODx4IQL7jfSDFfveLzF.cMdvHq12D9V03cIaEYXpWIBT9uNc1T7rugjAWc_hQUgdtzT9_Mbr01EvJWNebKS",mdrd: "vC6kKEYdcXopStGEqKt3N4IeK3ekkxEX.77pzCOjCsE-1739144089-1.2.1.1-mGPJSeDk3VaCwPG1bTZiyMNusFeHEzIcEBBQJ9EY64QaBCICnzEX6CpcT5CGPR3m.TWh45RhlcfCD0d2.CiH_pvmlVa5pZkxA9fK7eIVcD0dYLxuc2rDYMDKb1qkBHGCZQJyS15utW7m4WV7fIvBuPnlo1Wm288jnK4Ey7meUkBAH1WM5189FK4SHb98P2t7_72Aax45tTnDttzltb86D4knPHGsp.HV2eb7bMDsaKLvQLtUnPbUskGq9.g3s7JTyvQLjTQa_vcVFkux_M1EoZaMfKnqndHQdDLMySInKfgJSTGVJrHWR6zmw6rS2R3WKtlAv90R0KAvsiWIwPYSsL0ERtD02s0fB5aPkrnKS_QKy1qlIpWRwml7RNwcf2nIL9INmcL407a54h0uMWtuX.WhQqE3dmnkNCIe3doWTW3V5LxvkPE4Ezy2AEWwJoLQB56Fx6ceB8EQAw8j9LN9F97kHl5XrQGYLCygImmEEadxxmbbXDc5qSVcU2319I2UWJxeAUvYGq_x.khcNfpi63pY5pJR_UWpDHD2tDRpKTk2ZTPAs3pafxlGGQnuEROwKT6mGcc3qQkvidV0_7fPCZ8IcVulXlecKnLqys5MOmS9NQ6QghICrtnmi7cnY1HmTSeuFdt_KewhnFKnkMX2OuyujX_pJxZZskzQR30728FhDmkUURcJ.81V.3grEXkzvmRIQYybsZ2O.OW4xkYBnvw4rPYpWlfYbsSxvwYHYrN1IZLQuLEQuUtsag2YH_..qT1kZxq76sNFIHjQ4mJ9OX2hSXQmlXyoIhGwVLoVfk65hOyI57zyaRELrhH.eAS0w5pl8wIHD2lJxAVeSMAS0lVwDNMnSc7n9FkCOB1fEINmg8h6rsw6sS5n.NH2RzTp90ht9jlNLGnL1UL_3PRzdAlCIFvyeb2iokOQwli77fcQvoLixOsMG1c4CLU_RgVhukpWW6khfKz0S91tsR8IIq4rVzEq48ji8Cnc02.kn6DEehHGdmCmUH0NHGMtlDZq2.DNYGlTvGnDEXr.YjAuax9ZGjpn6Op2C2AU0qRNCL8XbfNJKQN7sVSwWLbjAEOpfMyTHrf8SXDHk0eZQe4mtQ08Z2tT5YyiPFmXpfjAG9wqyLRCWXy5XXsPTcVVF99cPQzC77qhov7szk._GjBiww.5jpU4GZdlN3NJmuZwbRGfMRR91nTdeuq54HHqUGFmw8L.83nzeYt_Jd46OZkikmjs8alEB6IgcMFQdwE4yuVUB_WnphfNdXol156icH6f3SdgVuL_MVR4QzXfrXeVCP6l8AOmejtwQX8tC_miJyQ2UyIv3IFZ7YrqwDIzBO28Gp9._mc5D2PNSHkdkYMChf3_JQJj3o1wjw.uKyRqhAyjteAeF6k9iPgmke7gR2sHAwZqcNZfd8uuSUa3R7oNc3OLuL0DlopGAOgJppnXFKA1vw3D6q5XPirrf8yrieP2ZNABXgQ5vPD657B0L9m.qyMXy2s7mbsizn8rAQno3q0Vr1G35lHVrbpWORY3IaGomgfaxeDg98t4j_8yBadrQ5j6NGMQtxJ9AwqZMYolU.fsYXC5v8jw9nKZ1QNU17gTM2Z6fpAQjFAC5.NfUacf_HE1.6aJVSl1k5JrscDFXMb5mGCwfPM.C1BPOc4BsZ6k.9_88bhTnQF_ZacUGMc6hRj4kBInZ.r.FzO_APdOh81D0kjZhd2QFTlG6LnlLfBZEwfVzd3ZejSoaBlc6fcLcZ5eknr2xIuP4emyHooYmAqHa.Vvxneo9uxo0VNLFvrCbEELV8IPm3AFAHfimtAxcQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7ac1ded6dc9a4';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\/4159086723?__cf_chl_rt_tk=94_kD9Ouee1CF1_FAJnNrGE.16ipyELSels78n8Nl84-1739144089-1.0.1.1-VPneYV_S9aeWwGX24K3RUhSd3xbEjMnaAg8ZuERp5kU" + 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