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="360"></head><body><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-308437428140.mit-edu.top",cType: 'managed',cRay: '94b8db98def1064d',cH: 'KdhTlFSUvgkJcNNN32hpVvW6Y9nGb5UvC6grNIIDLoY-1749222849-1.2.1.1-xHYxty0FL0fqr4AgcJYrAtiAYGHTfoCw2VApRxuEn59tTXDhrFWAnJ_SpMxNsoz1',cUPMDTk: "\/post\/3018592674?__cf_chl_tk=jO2BQkJSuBLc_3IbcjjTugvhBKqMPYh93MBYK1ZRdPA-1749222849-1.0.1.1-0qQL9fSNzdHT3yAiB3.k6TctQWINfwANj5iQpc5VJ7A",cFPWv: 'g',cITimeS: '1749222849',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/3018592674?__cf_chl_f_tk=jO2BQkJSuBLc_3IbcjjTugvhBKqMPYh93MBYK1ZRdPA-1749222849-1.0.1.1-0qQL9fSNzdHT3yAiB3.k6TctQWINfwANj5iQpc5VJ7A",md: "H7hnyce1CD4XLC3dIrxg5dOIid3zQlOzMdtphXjYWYY-1749222849-1.2.1.1-AJ6yLoChcngOugL7dU5nzD1Yl5tSMA2HdMrTsleyeVrRSULRu018gD6AcdeUoXn3o4kf5JyfGpBIrrGwmVpPZdDg54LEq72w79XD_bVxd9NwpH72yhqZb9UBuMSrtlNCiA07xFw_h1vFe_wpYNEfsYcLkvyUCqfAqSST5XUrCTOhDB5cgty37774yxusURmmdJM6KIzAI8GBDihOjdsAOxG2oowd1FUyBij0rslnpqMi6_GqtILpcRp4o45CuL0NcaUrxfc7T75Raohlm.OOkHNXkJoY575iD40MG16EUGIwzYKxxGEpw2j5vTLpDEEGmgl_IMU8Ooq4CAiguiGJgNK4gkvEEynaBZ4va93TrCztwIzC.UoU.ON7Hr80e34d7BhUkz1hW3d5L7NSbp5Vxo_mY6xojdmJWNPNIqMO5cgveITNseYt41OmoLJ.KAwhLi2Kt9UdVxs0Feek5Zj7Th2irQ4TsVrgyLDoF7ZivK7ZbGRattiJFGBze3CugJ0HKlqFqt2y07YZO35tq1Jd98JFo76zx_f7Y3MvR7ioqNuKp1YtiD7VKUKvprpO6yAVEOAIxNrJzqS9gqNE1uMYGciQ9CNb.VPFEqkoXPHETqbxopwFFn0wokZpPLmpmDfSAs2JRo8nRXFI9TJg9NVHHbOuwxM7k93sDwhV3qXbbVMSH_C9x4nOUAk9c0ww0d_sslhQkhjvam35fN9s3arPO36XYPwc83BXuUKYAqnDQQscBnh3LAIEH.vZlg6yW0FG5oRUw2hooIi6RvPJQiAPYQk6_ECWuJzqBaqfLivSul8Bh9Aw2TISQguFmNsslmsDNsDfObc6S9.OGv.HFQTl2w",mdrd: "Wz47XvHrjOuLdbQn2ERJmOJuHCJLCYuy_0eIsH2tVhA-1749222849-1.2.1.1-QScIRREhLsU5bsSN_NbQzpxwytkTWTdHEjfCWONQXDO5Jm0ZjB2nu8MpXxrOrSLMsWJQta7Ig_rr44CPIukKhDPbtMWeohAFcS8fiNgZBlUBSWGdCXhXAZDCj.S_ngPqzQu5r87tTX7xk9uvpdcllm5GUYtCoIf8bPmUeTCoGlOp4zqAjs4GDhIJANiDd1qmUlTcuaaDksOiCs7XzXySQwmJXJA13CLM1XsAeM5P8X5R82_2RHNRFkjC3kcEIt6uDSCJD.X8Svj.Rs._VIk06SMdKdub0y0jdqrV5kYV7QAO5gEKTXWNPIDKbStyD0zxUeq4jOU8QamoiZ5cA8Aau8FYHCAb7abYg5I6DeX9Ys5ocBxHR_X1PtcWEwtuNYx47RJJPQx9UzziXuBplzh2PuWzfR8gfJCOWqVu2LI_naQYgpxy56LmyGI8MeW8V6L.jmuREFtfQze0GLdrhS2eRhc2O8dHRFDCI3TgBmsXE_U8jNpz6DjVcJhx8dk19O8A2Q8WsiJ34WGV0GfCm_xB0jdDBwrpnHVPDMTsTCLN3vs4z40NsszVmBB4r1Ba1gDALqUOUrLuCOvFY5nu5xOWIwYxnn1SsJzPS2OTb0RlJ6fjmVsWHaqwmpet.75iRwTivDMXxf_nOB331_.qvPYBsuPOWLNmYprHCmiOeIu.UAW0YzEOoABTE3ul92wqJv58WeyipnznifUsSnyL6G_BuFTvv6CioNmEGZ3ynNQhispLB4.6y8ep6x30gNGL3mdNnXgwOU5pR9dkIZokKZNcrimxH.o5QlrEbT6_ygL7amhQsPcNvu3o6Po4N3G4iDzbQMRnJ9_.L5RjEMSPyUqCn4Mu.s8vRi1m9hJCUlM42yEYQyZIoThQowJMOs.7fyu323rv.UPRBFNQ00a.dp0iOVbJ2c9X.WHLC13jhlcxTCYUetwots8D1LkCCL8XxWweCY7JqguaAM44AgnVR7.mZyxXmwlOHo_TtXjPo14xpdK.l54Jm0O9w.pw_A3t5B9uLxQU3fnl6Um9oTssB.MwQCn.CpXw31RaxSOPNyYO6VIgZIHvtsCvod8EHs90UnHUdWfOonnzEU_R_ai0LZLlw61tgKaSz76oeNpeGcRuLN0ndrKhGHtnPJ8BXaGOAbtLoySTv2JCFeefcqBH76mMZzAJ9C6xCGY4B9DQRo6imcFMt32GR0St_uiLrLiQzy_U_Jz4GEVpjGR2GQaPOpCt69nq6o6yyiMOHV6.p5HViPtdu4Ddw4Wrwmn9h6SSKExLrZvf5NXhfIngbzAv17_vNdR1KeE5YcTM8o1HmJ4l.97HNKgAe.8mRmbwtsCFQy4DeCmUe.DmkyUORoxoD5JvAK5T41N40XZmIHVLTlCFOXceDcN.bOGsH8Vl5Zaz4f8uVozl6kko..QPERx_LFh80I1y.5UEIIGnMNEW5jCwdjYGEuzpyiPiilSUVb5Zv7Rb1U8KlzElau.fS0EUvILZpjRYUO6pd1GmbNLlZCNuQGkhHLo0a1xe4a3O5YDuQHv4zchqq6X6HtMkUfgpyUmkMdtDVh4bZgbQLBDyOeKahSfiad_o2r.vMOcJusGRoSK1Goa2htMx0wu52tHwJVxH0qdDbecIDWCgFA_OJ87b4Zi02BuTPajUIKvNk0En9vPrg0c_zdgU9cBGMdwBujoxAu0H5ZGd4YnNGS4CFV8Coo3RnaT7rW3p2S81teRQPQCFIrYFgTTagjXljx1WRMKJJGhHRYWxA2pzMWAgphV9zwbcYrqrtu76wgh8pdE8M.P_ndxKgLT0fQZBUyZvQ9TQclFN.57OTwTcH1eC.lR2xuNeR6.t.Axcs5VEFuL59UsAPX5.UPMc22ChQm20YaBe9qGoLbzuDJ4j1qIpd0sy4SgeQaLs03aKyRpA_al2jK10"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=94b8db98def1064d';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\/3018592674?__cf_chl_rt_tk=jO2BQkJSuBLc_3IbcjjTugvhBKqMPYh93MBYK1ZRdPA-1749222849-1.0.1.1-0qQL9fSNzdHT3yAiB3.k6TctQWINfwANj5iQpc5VJ7A" + 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