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-013083504400.mit-edu.top/post/6278014953

  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-013083504400.mit-edu.top",cType: 'managed',cRay: '911051ade8ddd6fc',cH: 'PTWwvIUec7NfeVNszQYvFCodNCT8ZLrJKy9aJdeau5g-1739402528-1.2.1.1-sWHSItHHEk2z0lReDLOgqajt1Spm.QXReQnHV7.uA5qU3qIbpx64lnX_nvtS2UXL',cUPMDTk: "\/post\/6278014953?__cf_chl_tk=nI5XnDj60qu07tyPId6UbH2zNoB0tFo479xXWfiFyS0-1739402528-1.0.1.1-PxUON6eJ4hkv7def1co6HvLmYeh41pjo8HKF1D6nybs",cFPWv: 'b',cITimeS: '1739402528',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6278014953?__cf_chl_f_tk=nI5XnDj60qu07tyPId6UbH2zNoB0tFo479xXWfiFyS0-1739402528-1.0.1.1-PxUON6eJ4hkv7def1co6HvLmYeh41pjo8HKF1D6nybs",md: "iOUNerOJGgjpscQpfnsiJrnGFFm5BCvAocCuM_yFJWQ-1739402528-1.2.1.1-dtNaOG.LIF1iWK5kvlUgjVnm2w8Ka0ioZgILHkJxizgR4SurhZVugCacV75Ul64P3zrLFQhyzTtBXGGXZ6At_Z8zUW8mvGZqUq5GQKRtIawXFH7OMoO_xtU0GAVfJNAo2mJuW2ShftQUC0XcfQ0v1z1wXNCelVqni8dLzu2QOdqMwyMkn9308auonZmBzy2kuL__rCyh9pjLBdzPaeCFEAr.2J2fXIxFhvL0STKC0OZAHksSIH6TlulC9tN0.SqeprU1XvZz1dEX24VCyHBPwa.OERZ1d7x.6FCFZPxkP28zfGYqo5AzIFf4om0qiCrpuIfZqoj2QOZoW0aiNYHaJQsrn1GqTyGdySblnM0xqWd_rls_dl1izltNh5kzXl8BDNpmTk25r9pTfCRTILuXHDtNAc0p0s5o2DE4gEhklC1pwyv0w0JcYtAwAZ_qbnGVJWb.mtA5fOiUB13vPoBPWaClHjKb2Vt_EVuAYX0T3PYVKHAssNm83anaq9oHnXjLs8J6FUpiiyb_qn1EbWEH1UV.yfgiwohX1TAu38FSNI3tjiJ.pL3SdcIFF.ELWM1_bMMsMjoNEO4UQI0g5E.Y_xeUVkn1Db2gQcDjy3rbWhmBCPQQ4o7kgOpsZcm_mYnObBuEaGeWhv1Zn2dQ9OOG4vkThuy4BFGR0rrzXUwgan5.ovAfK8RNSqQIIEWTigCKXKotQhir8jAed7_KhnV.xhTVGzSgyuONzdaBrHj.lbCQaD3yljOuLOAOvDq5aKXffikKfi9b00IYlb5L_.7tP8pyLGlHopBRARW4jGG0KmK8Pfsu6Zj3RzKXTD9pbqlzJnqoAT5tIGhBZhItTKIhzidz6KGGLlhI_noK5IkvPD4_9yTROvyU1_N4GDRdvHSIt8JXBNcM3v75n81rWiT5TXE.GLEmSsn8L1G5gOd9gnMBLmfVFgy7XNQ3gPixfeXAOb8CX39GhHnydZtZ2OJC14cw0YtzdxqbNQewSDgkuPaIVRFHLNY210PTm9QAgpiyBLm_AQtf3F214nYJ2XSVi7Fc5rg0CzMqz.8xNAO.9Mtgv.X2k22mIwzUoqpjvhRViebvoFycV5h_6ss0DY_3Q6_F9YcXUtBy1CymQ.acNnlJgg7DJ1l4FFiMyGLn005dxjUlUbD2thxEAPxu83c2fFrYw.i93R5DLdbsknsZd47NAXueUuVeefl6BJ7A7lVtDGxdKqnsuLnhKGdWKDVQMNFfouTXUy.S.o_yMP4MDmC8neCdzGqcgZqb8iNn2biRYZfvO3pVMXvH735tYHxSGbq9xWx4xwse4jW6DvXvlNZ_Ogtx9TQMpl1ZIfQnWU2XjNQ7HdRWo5eJApn2ymJw3w272Wn_cL4yll_SjHMTjDxHs2AIuezl0aZk5UfuieJSQrhPwMY8BaotrPl_aGqMyty2QsYkdX64ipOhW_OnMvq.wHFveNrHZPMOnBo2Mw6Y.8NIZJEkgVnkhLcrrt7k4j9xhNwJ5b3Md6VgqTP6.sdzTKdWWgapx.yaKbrwWJ8VvdgFlEJNN0NkrBqg1ZywvqHppSK2TOovZD6BFVk8WngydXy5l7cO1jPXBaKGRmpgLC8vSnAKkke5dO9tUiGVbaYrpY6RAvzM1b57HSSxO_u2ZzPF502tc40qNDlYVL1A7eygy6ShFOJYfuLC9U97DmYrbhWem2YLUY1nj_50fyAhmp9B6vOsNqH0y1Sk_HwlIGjCuql12Mn4yquxporAVM5T2OI4BSP35S0PXH5GciVBix_wGzy.CoNbIF2z2DrMBvExu0V9dXE2SBF8SHo92rpEJ2BCT3fgVTegP7nyt6b9DjVqA0lwOTLU6h8RIQ3vAfwUmNbkRZ4gyt0X1OYUIHKvCx4I.5KwB2BoZwNxe6ErUqPNZJsAVLOAO_yYJDCW8cxuPx0HaehWXZZzN20WGPj2YC6IIrjjI0ctQoy_ETyPVmDnv9Nkln5y.4UvAtplPMzQ_IsBMfj.T19BGPIIIlghHOwAjYLJSLUksMfqt5XAo.Kqtstznx6V6kkyLc_2OJ0D8kh4tUHcmeX6nVKrLa_lWCmgv_8S5jUgBYi6QuEOxU4Ftuyna78tsHNblKIOQvf30P1_s5KYoZY1CBzMDn5KNbZt9Z.BoEBnQmPfMzuNlxGlY_vwlJZOmpeY1mHje6zMag8fsrfyDsuCh_GzOU8hhL7iSc_cybc6erAekhNDA0feMoTQ4WqWwJ5FiWbf",mdrd: "1AZ0n7HvDZ72DN3JPlty60p0AEp55hkJKGroa6yEOJQ-1739402528-1.2.1.1-wH12XYiqp0ecv5N2MIFkHs1phDZbC._YuMCqd89hoXowB41fJHu1T0lXm4x2rKd5Is3p_B_6U1cCyDTtCznviJGLZk1749YlI3epXtos9s3XVBaYr_xinSMQQgZHEdY9DvIJH2tYVplkcqCwnlgteMBLH2T9KCpwrpUj.s5.98GeFkStXg4hNXUai5Wv1GXJWQ9d2lyyEA0xlKVQjOD2ppj8bgOkSI4U94bsQlVAebR8_zu.zU9s61itYdDzulhkyKhNJUpxuaXslEMvaz3qbAcuGXD0LmM2C3BJ_c7iutIclh8bhhn2cPd6a0FA9iQcJ7qTkS1HOXCg3EYXwLjK8RsDG540wAF1koiLoHK1_4GkXkR2CLtVnZStSrOYXNPfWvrTIYaW6T6MjkEt22UQLdu2_vEzBC1RMo2CNAeetJbRoecMmWxnMpFqXLHf7mGQ5NOAjw5m.uiuyqBeuDCVmimf7d.nkn__ND1ddRTIAORqDN59G0Gs8LEnmz1MlNHEfWHGQSboXBx9KZrPVf8Pmosb2WPtXCmAUoVQQZNNe9NbVCkuZCbIVCfquQgNcc2MchgvWS5W6VaRX399HApb6360ctR5yozP9zemDHGlNT0k545JpSRo8UyyZVfsk2Yuw8UnICQ4L7smTmyboBTxjhikOmNNSHPOge7xs4SRjMt0nB78NB4qMq.ruqwTjf06opPht9lqm.7nj2sMpeOIRHoY6iRx9DSj1LoJJsgSTrR3GdQ76LnPqHaInYPvRVrqXG3XHZ0HNxBYfU86MMQjq.3DNe7PAHRZ3qO1Fzh.6QbRZOizdZqr8xL86wHk4mSwgrRWZHoYK0HiYWivgCsTxfl0k5HAWVZMcJEmO4FhMGpbj0POqkG3sgRXAHRIkom3MzA7HtH_j4HxVojD75iFyQxsoWZBGusFl_uiSmYVBd3_aPL9Q0ypks09_0cJSSmBl3.kGp2jUBRrTtJPKxhWvSAwm0hAiqkGwQd9Y0ETHIjDL1fFKU3JdXIqtTwipI74xGqDf5Ds792bVnFmD_8LU9qswiJKBzWT45C1h8PzHpeX8hTumQ3t2iRhR29Z4xcvwqkWfrKKYj_ynd9EM1KhG3jQrgzpYaCixuCsxjSbRhgdkTciXyD0AfelsF7UFDzEAe9AikwQnZBjnFS7Sj4_mEGLMnafJsKX75QiLQfxCowDMnDvTnsMLp64BhiOUldwGUb1Ha2VqYbD3MH99VBj7FZ9ab7UxWqtEOaIrSaMQkpG0Hs2A44v_l3eNpIleKuB_.bB8IaJbKGp2_tKEu051WSYT7OeGEtmPF6rsfBHfcvYZ8j.BHyr_4DBOsxEfyfUoHxRFrNx6ajMY.oliJHl1hhJ5dqEJDxyC02ADYoNBL2xiEo0BeStUTrOAP2cskVnLXReX2tHsJgvdHX5ppwTPqUswOqlxzrwwJKgxISbbRvR6Zv0phWm98dE6ydia7JXQ_.k7Id_rnNjQmuow2bcAnZxIHBCxTDY9WoPthx361yOohjH154AFSRjSI4k.9LmGkaC4mKSRthHsYvVjT.lvYjvMt.yPVOKJ.Bv53JkftS9USCd.JszJrZsKfRLYQhOlI8M2yJ0gRIuUxNfHaQgYev3anvedP6k.SFyNp1iwTGoG0XwepiCsThJSUrKms1l1azMrK4ga6VRbWH0Z0kyyCW1oZL9wdGD0o480mqdTxPtZ.99v2NAcrnnvBU3vNTnLXp3qMrwiIafuDL8R4J1324vwVq8QmB2MGDgmWXO8ybVEE_21bfn1XX6NmAPBJqyWozsDwjL22lRStUoCOS8Gu5QnOkNKDtWiooM9UDKE9I"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911051ade8ddd6fc';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\/6278014953?__cf_chl_rt_tk=nI5XnDj60qu07tyPId6UbH2zNoB0tFo479xXWfiFyS0-1739402528-1.0.1.1-PxUON6eJ4hkv7def1co6HvLmYeh41pjo8HKF1D6nybs" + 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