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-615517367408.mit-edu.top",cType: 'managed',cRay: '90f365e0398e20d8',cH: 'Gu509kSWV_0_UedH8wohFNuLK4PizBP4iY03wuth9iw-1739099269-1.2.1.1-w6WUXq2mMlgVgbXPmh0m_8BIzK.X03TW3MHcWFlyD7X.2WQHz2_inzT5GIMQz4.b',cUPMDTk: "\/post\/2567019843?__cf_chl_tk=nUk90e05j0YASu4unKC9xDKop2XgiDUEAjZsZYeVsPw-1739099269-1.0.1.1-ea0YnKcKhJacu3jWbtL8ciFYoQliceX22frvGpq4.jY",cFPWv: 'g',cITimeS: '1739099269',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2567019843?__cf_chl_f_tk=nUk90e05j0YASu4unKC9xDKop2XgiDUEAjZsZYeVsPw-1739099269-1.0.1.1-ea0YnKcKhJacu3jWbtL8ciFYoQliceX22frvGpq4.jY",md: "7rrTJofLS7bPAwvxq5qzhGBehikH5jZQ7Ead_XU2s4Q-1739099269-1.2.1.1-srMDwRUMQPA8Qs_eEEKiGmRdh_sbcwR_mpzY9I8mULZRt3jpH3FJS.AEm2_Z5Pc_UODOFVgQ68SwhCuzoj3XWYHUpBsIsrn4DzZXVrb8K2Pf4TImRt7YUGP44Xshp.VkvHHkUFKS6DfSNlf4BAZrjXoKJmusavr07Jvu8P6HeqsDjiGOCR83s.CyEtEWVPweEw99B_oBwGPLCGn0ydo1ipb1CLvOQPWPqHCwy0dWJAluhzNK87rNXD5U1BnJ1sraC752z4A3QBQfbOnR8TA4kH1xEoc6YF9Zuu8uunxrungrWyQ77bYeQ1UqkGg08lt5_38IOHJ7fyVcID0CoomuCrmy3cvn5ulsw0p8.KbakmPUJ__cAOAkzW5AGpSBLvjIYWIKTi3XwgEXkwz20xyePyNVGQOOMeTdrPOwZBz0f_.._r7GvSd7sSziPZNDh7CtwFFhh1Xw21b.egjwypu_EkCTue4NS_cifJCcp8kBCrGTfkuuK1cQl6xHr4Z7SDSoKwPoHn0ulWSnZ6kOu0qaZF21yI3fXnP24il.fb_d12TRxwGCGo5n1EU50fi1q4CYDYf1ob77uKQNn7zSZvjIixnv_c1NJYkrIqSKAxWAahK93Nueb4CMQX6Hca2lsmIFtfpzzuwa2cMh4AoQK0jgNqAPY.o0nmWCxhEMzR1NtNT3S69Gq8c_ve4ey1VRACcae4ull2SBj9Lq9.Wk_iTHCg0V.gaMiHTsEmZwte4l_aEbUUcfmNdVfW5S9BOSEEl50A3gUfzTf0W_hvUm..OBHQADzm2i3jKNa.B.YB8.YrVb8kipCEbyOhOZhyFzb0h.HKxqdpBiSnl_q6PIxCLiCa54xrV1q4av2KzWKwOU3D.MISmXiVhVciJLSG41KF6Su9Vbt7FFz_bUlq4lxyArWqCmGzWsMkc09zfRsELSz_Nh3r0spGf7NHMymGWuYczG9JzUcPDh3v.F_HFN9qQz6Aqf_w0jlyZ.jCpaMZTAMSTPQ2qyeNAtb7JcA224nl0TRz0FyPusFE6rOUKFHwH3i9PRCc5Q1dp1LK2V8ukq94I9cjfw8pFZtKsfOtlOifwx12misrEgovwMuNt18HpwlR_UlGHR02SseX8uAKCr8PElcuycXHZH1RBoa6ZvmQOCaGhlY6u_ieJ47.z72IV4pJC2Pw3hldiHo7jLUY.udeUOPqZzpDFMiKrAPUzGsBFNfuoTypxoxtt0TLzF5INKyRVYyKl5F1fGwOrnxo.blA6ypvE2O7R74g_ObuACXDw.81Uvg.YgMuqEIY03Zh5gVDJE_kQq8nNZq38H0hh6uM9Z4t_o8txcCAs7EUXTHLbz8XX1Au9HdJuQqRUDRwX3Fy93Y9gmufdDC3DVPIo68y.30SQa1vj7uK9VtpIoJ9YFBWqgvIjZuu2UIkMwvkbEBIaFMYKe32dwSkWG_K3WVa6GbhMLAXY8WeGy9a41AK2G7se8XO1D6QU3q1DBfFSjeiPQiZSvqAUjnJzr4PHTSWTRH2D_hMVuOi3ThE6DD8qqkuL4_zb731.FMwPdAkH5a5vsP0I.AaDdERdKxQOp.jqrdsNYPV1DgtYN259X9yl.iVpabPG43UKf5irZjGcMGKSeqVFbRZMvx7CogbQaMygMjwWMOL25YaT9534eSkQPrFjdlD76UB370jLevua3N6Bn_KjpMktOIioMFUCJx9IAixKFDF_0O3JGEe3oMulzisS3PGsffR3.Db1FfdslaRrVOGSYiiy7.6fDa1r4nTqXeymCVI8JrN1ZNeMX_APRI32CGHZg4.ibXjgFhoE0JX7D.9xzbfvASSe0HVkZ60C8JbqfCDkyLMhixLt21u6uAgG9rEMpV4OJw2rF95wHW7My1cT1NhUCrl5nk0ESlZY3QzoySZ.rlAHn.cT4SXqVoCLq4Rz0c_oyXcMqydh3kAxZwO2yJI8toIFRZ70V12j5yNxUWIuhU4UGfJlfhFTsYSr8McVetmRPRi62y5sdjt83xpa0REq1CUjJoTvdNij45dEmGnGhYAW0UwndYy6xPrp3VbRXoSmqgEuyzLNjs2uvpOFNYqMiLDorz04cWRl87t2JXe4OSvkzXgnXEYKYCmzBph4TBI6Lj7UZYOuKlP6Apr067uN4HjcZ3Yp2KvlYuGq_XScSSBpqxQVBrkPtOLcNg7Ib_tQi9S8Xadm9Uoyjcwd7nXd.SDCL9u0pkAzBngeZQNc2OlV3JUyrnVLA",mdrd: "VkoYAVzYE5mOCCv9R8ChHgOOty4d5RID9zFsSCuvjoU-1739099269-1.2.1.1-9eFqe2W1wvC8wBbjn1kjQ6gDXVLCHQruaLqOYY8IvTu8dMECsDAsTv_s_0idk53r4lxZFOXvqIujSKJNjV.fsncKL7LV4.UtM_wm4WIy1xgzqbgpW179wiWSOQrJuNoj9f0C1nlmuBEhNVO21NH9eDAqIYTK1iBh4AnXNlhSrqlW_vDR0O54H0kXl_CMK5ZWtOOkBzDgRt2muwOl_nYzKCaHmsxB3m.xlQafxQk47kapiQXl6GzkH4Dhtom_VVWC7jW49IM8lLN0lRjyRKeCnQ_zTrugs2RzkEkCwU4jp8cga_tsnD17j.0ALTfYuXxBCt7itoJYJzLFa1qEvvyBfvSTVvXq8oo2anfJ_hQAdaF5x1oBESsiEkt9uavCDXIy_n9SUh72dQveAV9ZbhL16dGh.KRfzoVAxBjoHkYPCA8WUeNmUnJPWcf6GT.vOtWuB.NpAKRgKaGyp.ljHQKWKBBOm0u4DhQUgf3JaosUrQZz_DBRr.OtBcUD_1.YnLbZpCSVfa1XUp_Ko6A7p5hxMXASoVP72AU6ir5m6Z3JKNmmHdhIBT.8Iod_TQIGjPZfa2K.ZQCpd27_UYwMEfZ6bwbWCM1x_eLUKeYj6Qdc.FaP54Cg5gw2KqaEHC20bHQhPxR3fu9v2DrdvqgzVSx8co3RJRZ2o8.rPG_LnUTOa9vikkaaTQr7gxxXU9pK1T9iOpT1CGEv.uI7PkXHMZB__cr1C.0qXBQVWeR8KKgxjMlywA2Fch21UD_DzfaUkl0EBEyl6DnUoWqxrlhpMAZMC.EylesWH6TDAbhScfgYmeWQ3BCKYsjgB4B5crBwj5th6c.lPph7Pq6eDg8rsI27lXSFCWV38Z51TjhWrv5sPJyH_9_W4QOXTZmgdKxbTIIJy9IrcA5cUHR9pa9bmwkArzMqZQpQO49O6yFej6P08k4VNlvbZuNnw0DeNJoS9Oh7_J5JBttFMbwj8Lz51v_dj3NJ8cKU1eIh6ZBjdMn2UDW1wOIw8T0aikEVvyJVNZXj7QObJ47OK_PcGQmqm99ti8keDPcnbJf6rvYg9zKFY7NWno8cQu9JQ03wWJc7sAOa2nWjKI17NE1Wi7Jr1sNYataLGBjdbuRN_rPJd_ss_bupnAIPGIkKFcILm4NxCI2ctxW8hBQUDk3WpQFUNSgQeDfju59D6O3yRJDzjVOiWaFXpQ.JsxGenGfr.iSicexZVByhf2TTDQXnXi.a4BBe.jdkSrwILMJr68YxblkNoex8rs1xI8qsbUVGYuguuNdBHgqOWyOsZ83U2seCPk28YlxSrKNEnx3HEJEdn7WGreiC3K_5n7ubb7kazYTbGCylGZazU6QIxgU.RRY5fqUvEJI2nCJ4P_eaGpjU1aiLej6Kt6zlCY66wGqgDjDUigBdg_OulF.6Tks4js4LtOmwTwR_riLWtcqC60fw1.z2412eJoRbPbynZrZe3lDiD9S82JjY6Lp2.HvbmRI8uMsvAY8JWUSJp.UKaMspK3IS7sQF7sVqymUFFCiun7KOOwFHaysREPEXkv1YnUFJqw6wUQQiayDHyuKV_XDgTRa.FbBb3rOnA3ji6qUt.hQXN1HoA6Hr3_stWxZ2DNp.w0qljAq8jC1wwDnOy.ngpaCIFfgNKJ.k_2Pzb6uPrPDjP59GhCD0577BLDCdT.ESpOLGyXDAxCfgBNuYIXNp8qbWt8X9wYlk5SXoz8uD1aJq9QNlYiMls1xlA2d2Buo9zT7sSaq8fQmFwRJJytF7HysrGdaGLsAIDvqEyyMzPVxIDlsyYrYaLQ6is4IS_7tGTX4Q3ldkdw1p3fOD4Wd3iBWwEqI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f365e0398e20d8';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\/2567019843?__cf_chl_rt_tk=nUk90e05j0YASu4unKC9xDKop2XgiDUEAjZsZYeVsPw-1739099269-1.0.1.1-ea0YnKcKhJacu3jWbtL8ciFYoQliceX22frvGpq4.jY" + 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