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-958828580870.mit-edu.top",cType: 'managed',cRay: '90f87c9199052d26',cH: 'z4FRHi9ACl_UZ2aS2DIvcbcikLC0oVTnR_e4lDTixYU-1739152627-1.2.1.1-5czmjDJDdFJTxjCg9rzbJrzs03JYnEL3HTcdW8ncx3.zPzwj_J1YOF6IrukSUNfs',cUPMDTk: "\/post\/8906435127?__cf_chl_tk=q3i.wDHrUKSFh4IoHFfPiS7EsqvHxWjQDgK.cCGkZHI-1739152627-1.0.1.1-FlovmYdVUfZQ3rp5fhNjBIueXZVvSOgveMMU34F3ge8",cFPWv: 'g',cITimeS: '1739152627',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8906435127?__cf_chl_f_tk=q3i.wDHrUKSFh4IoHFfPiS7EsqvHxWjQDgK.cCGkZHI-1739152627-1.0.1.1-FlovmYdVUfZQ3rp5fhNjBIueXZVvSOgveMMU34F3ge8",md: "BoR3SdyZ2AoUaUaP8SqpHrMzWQTlBke2a0UvxLXWesU-1739152627-1.2.1.1-CBCPBnpQ93liAlC57vvqjJjM5t9r8XLA38JgVlrCpbWTZn8d5DAlmAnuJ3gwFW35Oz.MNfRZZd9jDSdO.i8GRiI.6OBQ1FXYk3b3GtDmjZWZp58sYerZy.WhtukLA.wuKo1JljjbRgaLUPNSLMyw29omtUznKDYghrOm8ocz0xDpRW9auoc97.4e5f618Lu_g6Z6gMMXaDMS9zWZrbNR0MLsNwXlwdD8peYoPkleeloREW7z.w48eHN6.sJxFFJockb9g0c4ofX6CQKyQMTHJJ8MfJOfc9uAKUIpWxRMkqTd3kWQNT3tCj_72mGCeflRByKZX63pD7zQ8tkGng139G1fO1Pj227zipWJi2WyjHW38jHPhscEDpGAER7PH0OcVL_b2opSaPOzdrlr.VuOk7Xsqf4aN_x30ejhr408OgkqbrhIl7c_GufLHx6gXLGHFfh4.wAuhXWzwbwUJdWPcyivj4enJKnV2PPctwt_R0CDQd2wUJes5f4fktGt1s1bxiyRh1OW2.R2kJTgvzX10GDgtEnwtlVEd.ODtynCEkFGAIwVcvYVfR21YHNw2xoIHPhzSw.6VXvgqdpVk0mcG3hDMc7M77i1SMgOMjU0FUzZ9i2uU5TjILHYasUpoFkvQ55PTHjp4UTmOGlypXLXyXwOFMZEI1OnqP8HENwOwh4VKIVNLJErWDZIGotOUwXcb933LUflRkbv95VgRxwW_UVwMBViNxs19VdvDcKEU8dmK69IcBjYJzzQ7dU91QLkQ_wcVYI7EJ2ZQwIWYrMEQSzY1aVt1Wj47f55PEtmSCpsQIdH8CaGNY1tlKXdNYYV_4JB4izQzcKgOOM.B.yILp8xbejVnDxqLrDAV0cfBsQ_WQHIn.yKrbeogwLMZuCIqQ0mbGkxzn_BlL.0SIMcHTzE23PF.w9Bu2AQwQw79CBrVkYGBKiWSvRL9O0SxcQdKO4pMoho2u5XUoBkn.Ff6uJw5qUJ58wbQINhjEwNskU9dTCzdMCZLJGPj8J3Ra_JHa_6ar25aH2hjoN1iJ2JdyEZBgRC1804Tmz5Hky1IazSkO1fXcknCIM.Jk7zxemL09dbHr.5DxU5xDSBZG4nwy5YFrhav_zUc08lNyFYB3Lp0kQJ1McgG_zxX_1e2T1S0IoIRSrXQdr5Wa0O2blET0k3qixMUV8s_jH.HVXQfuraUAVpNqF8ct13o4bA6uB3kSAe9E20lX89LO.S2k2OzjV5AtYpdcsIfcQAYt4jhVLiNF6Tx6.eIBWPvUGqr0yAqPEyx3I5yvdqrRsIzrFNeZtiu9tu2mLa1YxikVq7ID_tNrA6lRX7r9hl3Ii9d_jW7lPJxsV6ujL7QTnAf4qA2fs7ChkperG9wghD2irRMdcx5yHbalVPGcKSvn2LxTjeK7hBkX6Hp3eIoHwAiAJZlB3QbfcWeqEpIudlvSXuXRl_59J.3_FKmJTl27CXHuYIE2jKJuD4YybRipsuKe.UL6gaITYUrrBCybaAMwNhp.fw0pPt2KwofdO..wGydCOE_WopL9dCP8lQsVbcp1cwW9JVUJOqrFkd1O85T9q7UDjfJknxAlsF1EKgiXtJYi4z7Q2y5La4PQHTgTqC_PXGAXdkGoPx4vqU.eqoSbIRm6Cp0phrOBuOxbVNWsRoF9tzZph8LNQDmbBwcWjHgRS.xWif5Q79AGfUEvHSFN1qo6mS3eYTI2787vmP8JgGBx_ZO_GVzGdKA9_B7uCpPeXWTcX.gIoUFB70aMcmJOfHxtUM1OnFmEseaBUWxMNgqciRo391mGP4Kx81UfcBEprHtk5HznPKIEUhGuEhpPTQ8de4Ok_s1r1BGhHCLCBTYM35rBv6DOSv3A1TJnOe6QskNRC2uhyeBohfApdWQ5KgcZ7T_.4PfX2mBI6oMFqNlISUqQyyYsT_.5Tm_D8GHBR6dq0RdwLky8Ydv4ivs6coGSYkGDVi2NMbpGwz5svHn4KbriIcCNcGBcyIIFMbWYfpyQxKXrgrtuURhuFEZNRcpDvNz45cjqBSCH7krTgNZio7Hgo6gl8NDM._Xtu1eB4lLTmRwEzVcjVXNmVNYpIpsO3Y.E73pCTRBusWMX0akwmVnc0mzKWCNf5dEAVfACNzvqgtjm0iIaEgkIIW3ZRR6vmUz_PTx_ZE_aR5_QJtqBHbPCvQxaTPvAlqarx93Ki9MiKgjvpvHdFAhB8_yZTtog9k63asYqlZT.hSC.lY4XcA",mdrd: "tb9Oh29FUmSSLgMd2oAc4ko6Wa4zLgBFr0CfnB9uYYk-1739152627-1.2.1.1-KMiCB7Pzs539L2lu4wWxzgdrEC8bOcGuGZ4wsTkrINN.iICHQAuwiehN4NWfmGOL_x_p_9L_qbFuHoO8HB1SIafYsKz7fhNXNlTkHP19.oowuohdwDv9iqX9eBWmtjku_tPQb1DOo90DmADqIa.c9d.xZd2F8RQ5ptKR4YQwgnCZ2VWUP4ZtlXpZluiU25aQh6BoN7mKIwp3qcyf3vyUQdegvFiA2.2vxjdDPCXQgZZUVddqrDUR35.RJPA2Mf0QhQy.G9rcGFVFVw3GXCXL0PHeS2YVLyoylqSDgDWDaqBEXajPvuskkSdF1k_.pfivWwH62rxuml4E49.SVfoRO21x7j_dcywVnu_CIE4a5NjlETu.vAUVaicjiL9_PRTSflHMGdMXkm72HSm6kw34KjHS2LL7Lu20stWGXpOtdMzY5k_UO2ylB1cnbXObQfpTm6paG0stssw7l4.2EFTJf5MIsHCgIIyhC.12l4xSo7GBUg2sqlcePd42TY2B02bwL7eAGX_PZdROcXnpL0.1C6kLRJqYD1DNe9b6ZHnVwTWymyNcPo6Uyv81JHTsjQ6MBQwB7tg2METynPVwKhN8fQ5wDxB8yXpBijjxCLcVUylI4b2YtFAedmcoFa86R0gHcKewGpoXHmUWqsH.0Jk2x.aRBgKlhQANpykspW4JW0yn8QY6.585fWMSnfSQDzu2dty_QEejjDxn31Kj_BUQp6_JB6ur5HJaNZn9JUzr9FrjfTdz99PMBxoAPjSlnjZKBVZtY2TyEq4IbimcysdrDarfHGspzLYUVwKavTt4tOD28GyJMqjExW6zkIqFx.ZBp9W9X7z0ubGYJu2jUUHvYVPBPNzYoaDRPgFuVJ_H2vlei_Vo0JoZh8u1H84DLk46T5KllorBGuQ9xeBitNVuBZPAPqygZV0LPW59.XId6BzEWwitOdAFpyrosb0aQ6XS8QSbbU1m5_LvLANFRkHRVWFMPSC4leem3hsjNNvr.7nv2W.suJ63UD9cL3s4ES327NtujdffnnYg9UVKsr6uNwGv_WRSUObTYo_DfUchD4d4mxXxc2PHo98xgQkLP_pPBCIJFJU1.5BzrpCMqW93x_dcFAxjuN96C4e04Xo4QpciZykBTNOYaMQi0g_9RrePkBZzvZLAN3mkP.LKrS38ErD_9neNA0pvnwT4nV_LE5SfXHP.WC4MTcnE1cSHxVVsnLsVqW4JGYHr9vtO.NBQtDY6RkR3lZkhsrevtaIZYcXX8.KBOGeKDJwb8uLXHGRiVkbYBrekdOcrG0GEFqeiwRAWz1w2eYqY7Rf_Ihhvw4MEJM78h.k8LuoPonsVHrxsXLdwxWpQ5iB8owLxvmeeJ6bNUt869_gPYJs_F7XkhYPohq73eCf03BKDseNWNmlVLrsbufzeaYccKzpgrWZ0raWJSrwbKE1.E8szbVOb6mR7TTszA8WvsQuDfQHcY4JxQoXi7JjLeCDU8G2KBLRD.tWgPi_njGHmp9WFtTB1YjnDnbL__rRyinCmbqN.uXR4mqd8UEs3O3rFs6xkcpgvUrbW.KfZhE0feQFPzWkvpudM1eFTHXEkE13GyMWRmhkuG5yDjofd9.tzmp7FvMXtTht3gHrNha2KfbOlmnJJUy3om11Rt22Fd3NKtoNxzBg3ZaDJ6xF8HYKS53g5ixZBcyWmd9KFwQiHZbsDMYhKgn.k4w4VfYzd3k9742WVEDWlu7MZ0VGpY07qUat8WTyaUbYlN3ujcd19TT0hABnt5hh43w1eQJ_fpnUhQvDSZrh7p4iYJ4qTJ.Y.brlY5a4jhg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f87c9199052d26';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\/8906435127?__cf_chl_rt_tk=q3i.wDHrUKSFh4IoHFfPiS7EsqvHxWjQDgK.cCGkZHI-1739152627-1.0.1.1-FlovmYdVUfZQ3rp5fhNjBIueXZVvSOgveMMU34F3ge8" + 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