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.

Source: https://blog-548181400631.mit-edu.top/post/5674820913

  1. <!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-548181400631.mit-edu.top",cType: 'managed',cRay: '90fb12289c6bd69b',cH: 'Sk6WNFNoklNuKq6mk_MifMuSKb2mAmhyjvSgUIdx.9o-1739179726-1.2.1.1-nh4Euiv1Jq74DFPDFp7TUTyriK3KPpAySyT4Q36brHaCLFS_8Q5yqiZL392yfee0',cUPMDTk: "\/post\/5674820913?__cf_chl_tk=COH0SfTMZkSrUuZ_tSpCm23tpXKPln5vouM9FYTOfR0-1739179726-1.0.1.1-otVMtFMpZaDOBm5Wof4HGZp6UDVEp8Tn0yzdwXjcgbM",cFPWv: 'g',cITimeS: '1739179726',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5674820913?__cf_chl_f_tk=COH0SfTMZkSrUuZ_tSpCm23tpXKPln5vouM9FYTOfR0-1739179726-1.0.1.1-otVMtFMpZaDOBm5Wof4HGZp6UDVEp8Tn0yzdwXjcgbM",md: "T6it6dHtkIg7y4h0E6JCte1LbbV1YEPVwTfakcCyMjQ-1739179726-1.2.1.1-BjMn10QRey2ZpfQ3qx3hk1qHqHNQmI8CXq5mD7LcCYk4kDelSfwKjUZfMUNXsZK_i3bAP6k0W8udMBxVQu58wy.bi7aZAZkeCLkJJkLC36aeiL4TpdY5AIrVhL5oHrRh0IcqGSOoXcKtxwWrPEHGf9O5GF1ryFhtuppHySCVxAMEi2cylYRRY8JE.naoZO09BPZMJRU_Zvrm212qZMNh3548JHPCionoF_5QFRCrYtfs6joguaJTRtKFVqz3Hx5ypRg82De4yOl1OkS9rdobpNf23cm2bY6LxHaZQHBFIis0JjYI4B58A7q__mcwEF9QWMxVFNn6jJKr9sdkZE2rOpiY.GwUT4A3rcSRAu.nD9jL4wxByH0.JFMyrsbYM7BGYrdfHlX5Xs7_noQNHoi9wU8Xn9sRskPYe87CY8_hCqMTVSLUzYUBISpCb2U_mzWQvm9NmTk1OcmHSpmwjdYYktFEjj1wIkbZaXiS4ZIhifwvLAUKMa_phLG5xAD.qI6cCqC0R4g8Wxn7ex8DF96rKu5SRU75RKtipiADDw5v6ckandF3hEI10AT_JpTgAW1Wq9WnxGXBP_mQKlUyQaupqYN7FamgwM5WqOWS3DfClX88uescDIhOw7Sg0gfeU9xVg3ktEk6Fl1mgjTtR3rLfiKh.gtEj9GqOZMEUWCifMT2tk3zqIiLcyyHekeQMTPPT80x_an5N5edfXzZzuM3e83gMb3hmnI9LfAaF_8N5el.Q5_rJ5eBktUioD3S4LZcNHJmzejE45CzXyLUt5IqwCVA9K2cBRA.bVrsYPOqSG9nd8yU4MAKLfuLeYmSeZL_3oJZfLxd2waCeGhfEWLcZpyiwZ7ymbkk90yTfH8d8aBxJ.qwkIF5w5AHt6RnVjwJPHELMCdpTnK6cS4NMcDkLayebg1gZwavNdut4AvEkTmxsowrHK0lEHHi6kRPrsLcaIuT74nKxTzcEeHjq1SsE53lYf0knC408pQ9HM.h.GwZBmwmj7ms3nacM4q2w7XcXLSARJm4dWm.HKMKxJq0hz250i5TKidqDAZ6.TPWgPPiFW9083sskFP93eZPXGlzpNz_8_MFlezSi6P8aen8osQbj1INqHndEiPBsIvnb6Yo7NS37JG.at.giuGiBEepPycqga5CiEakq3vkTwehZOr1Y1rTc2cHSfZ7eWYHASLJu24SSfiAFy2PMtQoR8iB2WIss9BUMW7Z.j2CDgr7UykrKh8VmBnQf5fDAtqnPFPvmnkelJkq14_T8Ww1AqFQahRxxWJ5.ZrblGj7ESgRkcXv97aEF5UWOWvU4wf45HtFcHAr89_ueNm0x3DN1ap1Qw6BwZns8sgMeKnQYLhS.Iy3L4QhFYXpEP1r8bemGs8x4HDHmiQfKabbFUxE6aqv2MDXUz1fAJgPsDuts6CpSFkjAXlUHXFeUVxFkGMrlIyZn3mmKOWMeL3v6x2G.qQcipgCQqS1_a3c28ecT1NowkXuIHsZ6HfLnj3gpLqzW.JxMHcCwgEl3QtgugYwD2huYsF4hq3vOenwGWwyG21PBw_._DIQ3pfgscbe_YfEBAoJVDDNiRuMVs45gbrPyXJlsv.OaKw42bTSSdVdI5Y19KEs3.t5s92Yc0nKDN_S3Nc2okQkDXStLjuNKtZhqd_Hf02vDFzUpuLTkI2Igfytg3SB0TE9rJ.G4ZseMS.5eH4pxPGSjpf47qIPmM1c7Yr9qvRWAZGs2fMuoGmzDKtdoRgIzhZWb4zcX29F7ytgVaE_OO6XCwB4AQ7t6CUH8pZPng_ZdqKGCklUEsiBTqStc7yeGXnpvNZyT4DHrSkdFRBbebbzW1T8EICmvcXcLCMdYJ27qRCfx7lnzNoc_C5L9uzxtx5BGwbqSE8mH9FfNuA28HCa_lMeA.U4srWzf01Ge7jvC55ZoKYB3znkwFjMe5bcaGdyy1EjNa4n7sQ910OIRa7ZmO8bXcwmASnxCs1l0d1Ey0rmqZUSfa4nFo.KxBzh.5ECImCVtPWFZvLsYT.5iAox1iv4FxDnLNvtLvzQo9anROsgx0LgfLVBtpQGLMQssNs2Ph9bARtYAzxu1hnxJlLAW5y3y3yhNMlD1071EfS5tlJ2tLdqG03i_DVrT8FlhR1eYZuh1DzO9KF2dVCWRMie5icIQ9X5R96dqEfLLu1ICT2wRsTC9paB_.yVHjdadWmqhhkYTzcE_c2HLiW_73K6CUhI6ybOHu7k6pJw_",mdrd: "IP3KCNFJYyjTduE.5djD2_3Y5GxTfn50KQTd6x_2HdU-1739179726-1.2.1.1-zf52qU.m6.BBoWjbISF8XsMvRrF3z9jRX5wkFewy8qyM.65FQpB3TqMsccviPGtWuUnj9aINAy8R9bv9xq8HBx7VvNnnEbxqm95cxurZx9k3vdvLDbkYtKfw5jJwdEMdIBkj0z9vjlvBxYHAvmdzetpgUIb.i.eH901rLBYyAo3Gk6RHCFiippFTYjllwBnGh8njqmPTTc4rcPkshrn5Qhp2Km.nUQOSw39jpcraMHBWAIsUTUJVIuxjPlGaX1aypLBnk3RP0wnyVtNCmi8um1Cs615p1GEZwPpI6Ex1aDVGUn4gVyPmgKXZ9xBjADS5wWIS0NQ8_A0RWwd.VH7tt7_fGTPZIid9f.xI7oq6O7x7xLZEUFI4T7wTadscPYMiT5nO8bypnL__gKGPzbsbhNEWRlW5O4.u5y8XBqDLpD8DbJI.1T7Q.6fQVuE4Iz_RLHJeKAd1UOJlxBRwXw_UgifxRzyVxxLkxnYkVgAF6kcu1HsE9o1QqBtxrd3M9.Os3BNXvaJ7KCjltyIXUMnZhfZkJP1qo8XUjfzZ8phB0cdrDulzD4R.4XNbQH3IpJwUfoRUxwHxhBxkJeI2boo0eiPTLsUBoFW2PyV4aTooaLoFrttDWPdpbTwd9X3v.SY3sOyKqExsHlfq0OGSqvicECvgBp2bDWtOyJIooaSyDCodadjmobVxJGCIo1eWQ2nlkDxKp9Dspo.CmAuoVZIbeVVVqNSGzKdhm1p3rqXEhrSpzPoR_0qbWV0vP.diybzUI3PCzTQx2QKVdACo1SxnOCUJuPkC2LTqqtCvAx.VksR1N1llYwNJ.HWSISjx1YCYtsX7.TfLZF9MsQhM_HvaBscKNHyKkE36fZ5hvoV5xiKlx.O7iaLYl0JfzwInAic_PhoRxSFZwEezLHWwn8ynkizf_lE6EUYK_Z0mt60vUlsMIrqWkzLAtUUCkte_Ev8u6cUr5uhfAd9loKmZNGVdCF5slWmwbN0SzPbhZx4EB7_40nChyGyYs6AV9Ty1Br5idJV.ZVn.DPNOSGxYTXoqdcv1eLVe.Go0d_Mw4ccV_xYrZM171keAHPPA9o3orgyTW7EZNKMkw3idrLe3gxGCKczQlII1d2R3qIIU0HPg.YYjWIWjYwlokGG2Er6szei0Gn2n1TvV61_bjPsARMvOnvzL9xb2f354iaCLMceF4zikNt2FusmZERkcAFbbItKW6ys7WB4fFXVQaXdUrHVTqAdk8r86iaDXb1N39Q6teYQWwH5aZJCsNU.vXWqXJ1YHJGdjc1nQb.Mgky2qkFwkad._2rvfSlu9_fG9yISilxEzreRibHX2kogOr1sCXNNCsbzV2xHaZo0XL9DCFjiOrzt_uWpeAa.uHgvnUB23GndwJz9YvRwIvwx1ezPLnoC9L7BD1jDsFWgeaYTTfwI7eUP9_I8vFmnYxz9ww1aSUCxLj25RyY499AWRY.KSllyARnyefMNE5UjJ9LpLa_sxP_WuE7bDr.pNa4tqp6sSw7mm1Gls_rCaPnJvTgAbQ4TEEfIm3Yxymj7HAowj886TbWsz1hKK1Nxcqgs8dt_TjeNEfzXMkb1MyEcEjYpp21J___fGjKsZAm0Qbs68GWAnKmnb1TuPL8DfeNj5w1hJfgcQxrDqg11pfUFxqyKwBvvH0yuNQYAutRqfSykrxUOtscn.48aRQ6Wjmvm7I5Rhk3nhJTp7957Yg0PPmcL6MbhJomPQ.ngQnn9JpnzKYS6aHjd9thtzq_vorWuVsdZL1EvqbA2M_h.VZfw0Zxaa2CN3YvKSIwecG7CdKnEdU3nJgQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb12289c6bd69b';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\/5674820913?__cf_chl_rt_tk=COH0SfTMZkSrUuZ_tSpCm23tpXKPln5vouM9FYTOfR0-1739179726-1.0.1.1-otVMtFMpZaDOBm5Wof4HGZp6UDVEp8Tn0yzdwXjcgbM" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda