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-997440626456.mit-edu.top/post/0257869341

  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-997440626456.mit-edu.top",cType: 'managed',cRay: '90f8787f6cbb2418',cH: 'YOfZb32.bujr2UrBfe3wUptD09OHqi_DvjtFXoFJkg8-1739152460-1.2.1.1-0Y.DJmwyWguHbk.TC0EHbuBQfvdMUXuo_MeY37.Af3ksz63R9k_irtGjL1TuNFAN',cUPMDTk: "\/post\/0257869341?__cf_chl_tk=WfvVkkuVEEGOW752e3U9FvrKnHtMf6_VyZkOXJTVYso-1739152460-1.0.1.1-_cW9oqfqQnCZVd1CFFB5nF191HSyr62aGCEKJ6gyh9Y",cFPWv: 'g',cITimeS: '1739152460',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0257869341?__cf_chl_f_tk=WfvVkkuVEEGOW752e3U9FvrKnHtMf6_VyZkOXJTVYso-1739152460-1.0.1.1-_cW9oqfqQnCZVd1CFFB5nF191HSyr62aGCEKJ6gyh9Y",md: "qMuDZ9ZLVpGdu206kcNsd4z1CpZCfp3uTeD_TT6w4hA-1739152460-1.2.1.1-ra0BKGHpyA9Kzpwlzya29EMYcmR81lbZNITQbP7WReVVUlBiQQ1kZjSH24aRRvTUpYJ0SbEWIF8e37KXHnKPrHwqkDUHUaFwdYI3S8SeBSpjjhFn6HAHT8KkSscWgExVsF_WriLPFDk9cA8BdbieLiOlr0qvRauwNTGD45ckoPrMbQxq4r2AHtpbmuS_09JR6gq9xSKFB0ZN6CV4CGfmFmiFZ3.QuPTDuI0ehIMMH9B2xOZF8pmSCQVhmMWi5GP880uAPyeDzqkHUHzLumypDVJKz2UABCysMGkw0ZyWAsPSKwRL0oTHedvAIL99LkSKmXANK9ge5cm4YNoSFVVvvYCl.N9AfyBVwP5dmpbiB9AbgoZs_HjT02LxJnPgXHwJ3LhbjSB979p5PIjQi3D6iFJpYQY2OuH7KndJa5JO9TFlngOobdG8_UmGVF5bEBKx5MAeW.2sSnrAyh2DkJqPcEgQKSYKzBFmRrzQS1GshbFgprf8LjSxY9lk9k6yMezrklKn8X7hDkYYC9nFwWo4kqLotNJOYDTsiQczZDPTF8oNYA0QrFuQ2W0JpTutIc2J2rlKMBpuveZAQPgd83VU7Hlzzz8OCVsSWIFWY9Mg_Wbvl6vvZCjvOg2UcbdfqXV.2oWL1ymsOclwWPLN4EoUDbb9AuC.vVIolEK2lOmsOqXnRfhhw8atS3bUXGlB_dL1ltSYOa5py7U3ADDuULgnHDBqryXX.yN66gd6TVhVaqEtAK3lLp0y8l_m0I10uEBZILBoSqnkqfEwh6QoAruQ2pa_C_yTl8TXPspL9nCNGsHO4b.V_k9EEbu4hWHR7clp9tS19kujAVkh9P6q8f1DBw6xt9Pcr4hdPL0ldIUaPhbheaoWG11Y7QmyNSdj6bEHhVUIUFC4HZ4zqwibX1lOWXjuVC9ZZ2Qq8V5NgnJJJF4BsnrLHP38kG7g68Pg3HP9BoayT.gjyYt4WLNuRjNPaOKDu9FmuaQl.0k6aONxDUF6l2zrjLkS8yjFgj4YGw9PQNwVph.IoBbEk51GwjcP40SqAIAAPu78cyGR2daJPtIb7g6dr8gNgzxxyHA744NYbNKrGW0e2K08Zx6iKK.ZYhWO5wuWtITv2A9NI1MAt0lMVcrI1KwAaVp7W1fNc0dX1MNacIQZrlIqpkCQDPbDUxY992tuN.NeapQk800JAnf4a0Gh9z77leVbc3dogaqInPThaQTkCQLbNma9B.8lJIruuSiiuwgMX1fb5r2XPUgSGSCBlKI2MROQQC.vzsdB5kLilNvZF6eX48rT97WeHDzXRqJFCWOatWeQpTSN00yrxo4BIoAtddlfZUKHxuwHMTRxiwU0nISJxu4noGBc6aVdteBQ9GxFaZ0FLhZmnPyeVsBbeTZQNlnkta4xF_1XX8Hlsd2fiTM4xjYKf2.Zvq4tHf6yy.ZYILR7cnjxUVT.d53g45RwzEhsjM5bCWZW16u5lx_SspCI6zcjVtSPXu4OJH7lira6YUYFL3T3t65G3CbFssdbtb85WRL3zeZIk2ikUO4_ip7OMpwWaKWf0HghEZEm56wm05RmKpSBQdp9sPefy9cgpO0ypRsPCXxXB9SxZjveGF3tlKSvtaJdJkNPNkBpXGFkWClSgsmOduVl5snU7KzyxhV2nXHbb2hf3YG6zWbj_fy8WazR0NxBJXBnhA._8WXGy4lTWmc7ZpnYXbKbt4Lt9n95lzCxu.nFb05kdJvNyaoagv28YODjEcLA2PJcc2T1Ln57OvR3VgzNpeZDcTcXuSRpaFlEue.E2CqEFcvQvkrFIoM_BjaySduT3_IuTbDGXf0j948xRsryhr5cwVG2eP4hX8_Wwy7HOAQNcCs95H5CRqvcHh_peXGkPTMT.j1gzgOuljO0rwBAE1jsgQOj6hwsRTn33UXN8nTfsYqH0bGlPkwTiY1dv_rv40ZP6ESjp.D6lTpeXWz8hrO4Q7G0Zh2Aud5.JLBhAvAw.iBOMvfMh7crYWIma0.s9NDZdTLIk.IitjgteWRHApQm8YqdniWHscWtBsvIgzTIpKRtsb2d5IvV8aA6yP_32FBY1Oy5qaRPPsdis0TGK35voU4G6ESbkoK5QzEYWO7MN1dsmE4iRLaqttq7Vk6WZ5CXPBLnMkU3lxzi_0dGR0FSwSY5pyaPyTO7aKXXGY2MJb16ob.UA54ZDyfsAfairzbogRP4hLpLfNm6AF_YQwcDCiq7W95_zJKPgTCc",mdrd: "4iilMto_DVjXTXPBE3gGAlVN_TFHUmY7IbE9wj4AWIk-1739152460-1.2.1.1-HeAy35Vd5Esr9m8HoC7D9Z5SLyjSAEGO7H3W3u6MDsp5WdIxlmDo_WHbLUUjw5ugw9qEzFpNgk3ifUE4DN4uhD6OQXm8PicajVh8QWP5TIWIwY24_n8zM_RHiZcBF2cq4B120CdGo2trlJUoqL4QtaP08W41gLbZkGy0ursoTXCb_oPgZ0Z4t0AzI7SMFUrPp2.t4kDbHinfkyBbsH2jQmxovGm4Rf1ERqwBLeAPTJ5KfFpARfCkA4PoWJ1Ca.aZfG6edZW_4vvYr_DFanR1mz4EXn1JFnD45KAFyuQtj5iO.TrRYTwHk3zyzYSRcN9IRGplojFvmcDJBhc2LKV7FCG52Oo7wECS149KA0ZwbJW_LLBgQJrCdDMzg1X546dbNl8UrswyUOjNXddVVA7ck6c8ImBZ5MBf7ROLO.R1yYPEc_6rTbM995bKLE9AFDGVxqx0xituYAHU6ulR9f_zxxXh9ZqflIQE_XQBvrEaUOER6wWO.H2zgI7T3s6oPr62qYXwa9JG9WICJk0jAM.h5RI1XolTbTKBVSpxezRZwX9w9N1cMoLKmSc1aPZoKhD.03VYyznSwybsV7YR4ChkNwrLZWhMpbG6dv5qppKHnXo33P7VSTS4mtE5roUYQ7s2sslHB2Gui4QY_2DGQQEEWbubTqLerD5jr8jjpu4J44TtW.GFnKMn.bjN8ZGDAXZTG_x48RTC8dGYEbOIw9Y76akMkRoEpkX2dUwpcDWHJDnyeGZvy3u4Np6M.XpDA9yztOkKZXmNV_2tizTk5OZKR.V9Zq_lP1kwAZnkg37EPaglFMES63cvGDv53fJ7gyrtLnwOFXPA0GcUSEguPf887AlMhoGws2twTEU5VxZr7O3aHbF9xzcAvsvsOSUh1F_PcIivnsMFLNtgHW9.fW4ErgiG.LmWQazFEbSQ59Gf1LfRHmr1rbXp7Duw0BxXasUWe1HPvQrows3oxKTJws6X01Lou5Z0UDXDdMLv.DrLh3kYCXjoEPzv8hEkbDqdX.wGytaBYHY35BCenEixiY13PFCDOG3ZQy0kfoLlweQ_1ebsdWO8uwBAv2P9tC7vf.K_6PDxxjaMAmw.KSdjtXYE7sgEwWeSH63F_hk8G9nSgDD978zwRJh9lIPA073ErAmHq5xpAwK2t1VWEQGlFznd1.nUuuoPaHpiwATQJVml84URzcPetSWHwNKMt2Bwawx2.vDkIZZwxbRBGb5aivib.RaMBzHUM.ZdEU9TGZ8zkXvWRH9jtyi6CZ4nTVT_e1RIPfu.EpejpNOiPl693SsiWoGfMrVJigFcSqtAaDkcGI.VIAiKkL5XiowPsSclvUH9Ilnju88AYq7c9zf_HaT501kbfyxOwCy49HpEcuOpXoqzD4e8TUn.ISd_AAvxQZSW1d8ISS49ryvnmlZIl5bp3EefveYmlijnN9mDJdFP.H2fOWmeUxirIQMEhxkvmGoz348HLW1jma31UU.vBwXA91IQfYCYARBOVF5vNbJAxUeBB9ggQSZMk.Ihk_OMa9EGiGKo_lnnM0w9KT.sHTAEngFfv77p1dCRdHh0Id73iyBoM2NXsAabl6MzwOX0C2a3k5IDX0oPKULTLNMf_QHDPDcO0PAqk7mId9xrrHWQwxTZMO7HbdOYm_LjMlaEn2jz8r3HewaIWe7csXEBvkpsT3eFSLhtemHFmAtuvx58MwJGbonRT2SaxmXQo5.be6Uhh3ij7B9hHraj5_koju8A17pKKsdHFUDB.fr5xYJ5OFg0ct93wovow8seZT31ySA0o4JhsZGegv8d8iXeBmNx7A2X0bxo5lGBw1WOB2IATZnQspYlQsx6r1KNTdX.jRQ_"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f8787f6cbb2418';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\/0257869341?__cf_chl_rt_tk=WfvVkkuVEEGOW752e3U9FvrKnHtMf6_VyZkOXJTVYso-1739152460-1.0.1.1-_cW9oqfqQnCZVd1CFFB5nF191HSyr62aGCEKJ6gyh9Y" + 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