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-017003544697.mit-edu.top/post/0143986725

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-017003544697.mit-edu.top",cType: 'managed',cRay: '910fedc16ed69c31',cH: 'saRwnPYDY8_tJvA4_36SHzMFfbnLmwcJkV52.qH1ecU-1739398436-1.2.1.1-9vQhaFb3T_NMjxzBB7aubCgLcKHqa0hBh.RSfPeqSBEYk4xROw3yUsRe4yVZRwUE',cUPMDTk: "\/post\/0143986725?__cf_chl_tk=6SfR5Phum0aRm8wEGZjZyaU3CBY3DAoMu9M0gMdZR08-1739398436-1.0.1.1-sj.E3G065cDbjFFVW8_bkIAWWvj8sBwyyPAjTIa_yXo",cFPWv: 'b',cITimeS: '1739398436',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0143986725?__cf_chl_f_tk=6SfR5Phum0aRm8wEGZjZyaU3CBY3DAoMu9M0gMdZR08-1739398436-1.0.1.1-sj.E3G065cDbjFFVW8_bkIAWWvj8sBwyyPAjTIa_yXo",md: "sqd4HegkooAJhnVbl34L6rOer55hI9A03521S0pJ6UY-1739398436-1.2.1.1-ro1z0RvsXab_nEK9f88KAzFlxC0dcSB3G73VrlWUqe2zeYz1n007ltCqgv.psuDZw1sDTu3kaC.Rmwakdcl9JZwhvM8RwA64SaEXbuWO.QmDy_7W24ANVyI0_vFur6iy4wZ8v7tUcjhV_YbqAYeO1YbUggQ5JIvhOeHxX5KHNz5rc49lERqMMFZJbM7x45HopkG0qZkWnMMvLXcPfsh2pL95SXSVfP0u3naJ.Eu7DKpEXEPf69JCoPEPzS4a3kryy0MSyMwSgVyWJeKJ.Vz6g.fgiDCl8RQF4BU7os4wLhPDfa43I5XSS5RrRWxx_KNnpot_9oxvdNKIL1hS4_yk8dBnfjMUIVf_STQ5mq9XXnv9WEElaCH502BfYulXKTN1z.XIvfOocJEGSI65tdDWKdXCMaQvlgxMyFyCxlA2C_IOGTYdyojOGeggXTjYjPUvojUXJb3ZjN3D42LdfuMsXjv6piqruWn4o8YreR5AQE_Fs9SMCHeqix5GN33FVlkJDEnxrLUOvdlKQyVAM8RZVVQzjURiH1KZmR.o6DSCJ4zyxwyrNcprZ3hCXgsiD19WuDODH_4Vc8lSN9Goq0fVM6aa6SJ7l6wip5OEfi.kxzAhNx9nXTqysJOVIZ6DH1HCw4ab6aAFmaNmlYTzrFKZaGIknbwDJMe4UaaOEPoTJUNJaAMYlwzJCgbiTBLrkshy0XFd2vTl7r0gTixabgB9qcdU6AsNvniAYGKZqSMP4dQPyMBdcRi0eSKbMSncmMQYMM4KTtDhHN1ekN466yog6bD4AAxGd1YEut2pijnlTjHecgsbYQO1bK.wEfWyQj77HD.ZiLQ.UCX4qMpQR8ltfDMC9X2K8rN.7_K8epD5t2xa8X1gRyinKSzhiE1cuDdv062HmLbrm7HcqIbmvfdh3vxkYm1vtsyNtb5rKyBFY79vTPMkNvTdwUK_4tusaES9RhOz8DUVTZZVdNS8Mnxjq.FaG953UbJHPtDmpFYI_x5H8ZvxH__KSR95nQAavy6Yg6L2_HPpLc.3otOKR370qljFDD082aAEiLDkIhIgdCAA0B1slr6I61L0Z5fgbaX7YC154km2MkWEhVyz1nd4TAE4MkdPcWOWaTHlNROSvgxSAbReckJZGZ54awPsRq30Sjxd5VBpFZXolqtKOzK.5.HIESqPlO_4dfJr.oUGogmF7XF2mPy3i5Aac638Vg1ZcT6Us2lrzmpjAJsQyfhSDY1JpTz6upDScxgyr_3vrQWKJmeyLsJl7wmgIj5m1nF3Uj7pmRma.b1rQ5enlZ3j5qsagun19x1JHTlS4X93F9cot72lcjk03bIHWdUdIonfm7RO.W7edeobv25fZgv1YmRRrOqsCBaNWYtjH2CQ9j0qdklkRLlMHJU6DNzmWEH_MS4kSIQRHAdRNNSauaJH_5iny_DcAusa09fy.pr.cwpCejQgmzAQe4v8REM1uJ6Aa28b5Izr5HBXXtuwljYf19dvZgvx6zUM4w7MBzEdnvOZDEyhNGYaSgiRFf9aivvR4FtygKIsnHmuxnaMLDBsNuXKw_jjxHb3HmklKUj1LVHDHGIgWCUihrJSLEJlP3G3O5SgnEROYFR4n5DBjSj3vaAog7jQ_oJJl78xwcY9RWZ28ERQEYVPW7Dt1IzyDTV9EHaTz2uODAkbl7uI8eqXTACLQIayYzac4qB2NqPjIJyOV3QmKCFHQMIKKoOebmltiG5hLfEOVXw8CPODTtARltIATP4nllYvCvAg4h6HuFvZSDI8uAp4vC6VF3BXOkRxBOke16_vY5Z7UW0mt5DUArmJXm6Bgltpj_Ymz09efASBGowj9tkBAPd9dA6DmfJV5nMGLN4He96iuwtAYSg9xAmeAXxr_pl0wSklm9yH.Rsa2FK033DqlAPFmQ6d6pWN9ocaIUYmqRaNuvhPMf_u9r5McbeuNsrOhqUn0GPKUR1SJqwxknH2Zl94foNSX4YepM1ZcDL2xUZAYnTyKs3Q1IIaN0uy4HqhJhxkA7Q7Mxl6k0QqDO6keKoMvUpWwbSAaX71iPbgKGefa47g_GQRaDcmjcMo_ATr21K4ER5yfvYS9C.uqNtwORNyX9IlwCjwBSjDXe3zPIWKD11NwC9cZ0n.CLDK9IY0BUyAeU_R6PN5Zom7mXvFb6x58CqOoCzkHlmUmVQfYntuexn94AqYa8QrVQOPNo5U.Aej5iqfYXAAKiayxCdRb9.bkMv72ctN",mdrd: "NBPZKctiSQK34y2pGYxuGgvbsYCzf4BebXQrYaNAs8Q-1739398436-1.2.1.1-ZGYIuxtdKQ32.X4oLkzxjtuNNBq4ihqG1CF2mmyVe9_lrFU3WPpIll_QEhj.Ytk_0XoZujAc5PHoytw_24_.xph5zy9LftE7o7DHkImVI_YO8scruuK_D7PVQA_.yu0OV_azQhA1DyZTGn0D7DrdOsj4Nq3ieLNfCl_JHAmM45Ed9m4BXBN0WbxF965YqYBCzLZCV.KziNi2ou90vjpgBQdEsj6BR4oY5dzwToRzPgrIbgQeaYoaQjsBaUMl8RZP8WeCVG1l1J24uKcZpZAIUguT4Z6V_9V0wCox00Wud6aHkdvFRUmzCY3sVcHibslNw5EoeMY5_1yjiOo7XebEmXTZ9ZHQD6ZNIloVn8bQFjTq4DhGLwxdYcuybXsViWXpg3mQk17Ys6F40BVBtt3UzSG3JhcdK1SOEHiB1GOMgutleVC6vACdEdUtugYwx3HSz.AFtDeyL68Y81Y77PEQcEKkAsctD2iDqfrydOTHIatnbpvkOniAsyHbXMPLi_IHqQHFw5HrHOHKIwrJykNYlKC3gkZHbDFBKryrYaH6cSOzVqBKgO1_KIFf39OqveBubgikpRltD8WorZmqR81kkcAfqQY4iJdKxV4L0Q9e5_LQMS0uEhHKuVYjKqvgFmFe1l4rurN04toTWPP7vKpD9Z4Yh6Je.ukoNNTbEOphDagnGa1l0hA9Ems7fjMOFmzhJZ64bfVjbKPWyDTv25GSPT.ZMsblvJOiCc..AMiS4hRAvsps9Zvk9enwqHEqvGL97YeyHTDIg9U.oGecw5Zsz9qsdylEz7IOgAl3AarbTJDekybEJ8iGxEtbMNTI8D4nJtAPk3RArL8VP5uMafrFjr9q4R8sr464T7i0AJi84LX4kyNWc53A6Y3_TY4YA9nsKAJMkpPig7hRRYJbObNOqKOwXeklTTyeLfLaKtPCaEl4PAO7zB7dvhxUoLkD4yMrkFSaQcpYhQ0hq1vlLcEOVXUiz6DmzAQpMRiEKHvP67i61HxZOdizJCarrDpTWNVxifzXEdzLbMDp.P0n76wi4hzI3KIjsXCCcXQN7V1Ge4KSiFQrlQHgDRxo9u8IrQYXdFwTGCgiSpc.U9qBQUDIR0bpNj0o_AHZ5h_Wt7PpEC0qt6ETxNt3o39uLy26ZZB4pjhcxe533sXi0ciXccqPvaXTHHBnvcL_DsBE5jIxwgusJvoWN2vL7zxJGc1x3Rnt8oAOvSQwr4_tUbJLOw.dfAjFFKRzp1eAWx0LzmELy7j_389mDo_pfEGdmga9WbJgcquDgWSBr9DIuJgWlGl_Q0RJqytumwKaS_Xyui02qhi.PHa9Ek6q2VnAqxruTq1a0XJ8R374AcS2qzyHVBVEKL57dywRLUl3ZyWrrvixQKWJ_k5VHhiGV7LnOVzGxiao4XJAxuf.yIJBMC6o4j3xYx4fi83rJMDLqFd6UUlcJxhyOOJcTXbc69wv5MQkBDNae3tuYqapOA30les_4j85XBoyBEvtKgIenn78RWmaW.IYMpqiwRcPoDPE8CVvTy.y58uUeM2HaXNbLxv7KbqYMd8Du_DL02X6iyQV2fEqY4w3eEit9RekB.nOEoQGYoislO8MVe.mJVyYlAGQh6w2KFiWsiur46HmcZhubVj1k5gwL35zB9J.w3wOLL.uq.EcSh1em5abuJW53SDSFyfex0oy.wjNSzq.LOPqIWrgdHMK.5h7jbXcO16poqWEKPZYRikjpZNOJjk5usApptMR1KMWWfrTq77s40koJqTY00HH7km34ldRcqCyuuloaJWX59qC7z3wm_Hm3_htfnuN7svRGVn3geqqPv1IaN_ku9E"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fedc16ed69c31';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\/0143986725?__cf_chl_rt_tk=6SfR5Phum0aRm8wEGZjZyaU3CBY3DAoMu9M0gMdZR08-1739398436-1.0.1.1-sj.E3G065cDbjFFVW8_bkIAWWvj8sBwyyPAjTIa_yXo" + 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