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-742667059826.mit-edu.top/post/8137069452

  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-742667059826.mit-edu.top",cType: 'managed',cRay: '90f71485b9bdc985',cH: 'H83QJjsFrll5ipR0H8.d_ys_EirOy3_Y_fyky.QVLeQ-1739137879-1.2.1.1-T2UqW3uqjqXOfZ7gJRbZLT2qhO73VzzUBkUb2NhTnK1myh9OZeXzd_wlsnUB9J9o',cUPMDTk: "\/post\/8137069452?__cf_chl_tk=Xuf0R9a22yUNrcviDWyH8UzF95Kdfa5QY_WQGArU6GE-1739137879-1.0.1.1-eFRkLAsO1U4H95u2Wm9ZzcVGf5UoWllcRpygFDYXeGA",cFPWv: 'g',cITimeS: '1739137879',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8137069452?__cf_chl_f_tk=Xuf0R9a22yUNrcviDWyH8UzF95Kdfa5QY_WQGArU6GE-1739137879-1.0.1.1-eFRkLAsO1U4H95u2Wm9ZzcVGf5UoWllcRpygFDYXeGA",md: "zDOe3q00QDW2YeobKsqjXGxclcUUryGI_yyLHjr6dkU-1739137879-1.2.1.1-VuxSinlFUaDVsGtfI_5uMD7YeyXS6fapGYEA7svjyKR_SdOD7VcTWHFPChypTTQ8VtIqsS_a_WDuF35nn1CDCE7tBFnM32lanhyl8FF9Kq8spMJAC6a9I14lUm73bU0IcnvPgzMkf2j6ajXlrfzjlJpMBZgGfMkYcyBqoHN_kyeSG_YIkE8dj_K8mJjbU_bXUiOQl7adE9b8x11DMumOpdOdofWsozi3uDK.IykBbWtVnRaGKiedhJK00eQVLts1BoPk1Ixmst11f5ZZ5pbkAivh8JQg_CFDg_4rNSFfcQGCCFpCwG6PcPEDGw9vC87x.xLsVr0iiV_AMFFTJElPkaHQa4nybrC.YpJrGh8baymEkv0ee_unU_5cOgVDM32TH6ckkS6TVxRRrDbeBaeZar..Drq.8UcXkMhV9kXZMa.8a6IklF5Sl5Gd3ngf6JO4nUU06MeHpIarmwJEF4kmHjs3m1s36uiLUcEnWKnNHnibZmswRqCN.eUnv7H0AD2npOqneAZWpKF1CLbEktSaCgFE2UrxQ3Uc6Cxu0E_4.Fr_OxeM.lUD6Q4KJtgDkCY7SwLiJpV8Si9UaM0aZOnr_Hmlm7yVi0fwCc8Y3syRP_glIYZhf0oQN1_6qo9NaGgAu.KJUfBwLWUsk9AJpY6sTDwyoI8AymFj2rwzuw2fx.bJfQvdAAnkWF9ntFBuyBDguPa_LkumSrFllxweNwIs6LjjLtWXvVTb14hoNBHIVtBcZDrwJQGK_sgfRmuJtpDQanKDOG1Jd.WY7OkN5Vml4HJhVyz4AvmHXCfnJu0vnGpp7lXn5c8G8YZlTDv7G_JkgeXg0eHMHx1aejfji4gX7W03ASvSlDUuzrMX47VP0SoJoc1zQHa1FQmDElG.1OiPWiRhPiA1Shi7kv_G0oeHooo6TwZr00eriVuW2blVfiW6v9ooaav5EhLC69xnRcmePIzf.vt_ccsoASNpgNUwVDlzWP12nCUWVa3yQGZaZl2zX8CBHZFlYoLS0Ljyf5AqlrOubYdbs1LIu8Dv3CdTNOlJKSq9vCrwbGsYD5SebFqfWV.NK7S90Aij1PWVKKq4TWDSA2gu89srGK544gWuS.JF_fPkfu8OwhxK2dw4Wj3graPUqMp4HUEWz0gNUSUBfvgTcUdU0zod17pKyG5IApnbPbQX4K4lY4r92jSJxv2NnWDat9Wob0A04iKQ2DHSVQ4bzlQiPRnFzVDe8_07sl0A7foBIjv9Evsi6xUMXFyCpoyrxWfeJgdC.uchjTGTzw5um_L3c3Oyb8LjtdEubCR__PGtWdVyUnUKVLipRtt9VbNLHlQZpyiOH5OuEOyzQO.sWN1II5nDWnjf3JQHLMuQXU7TRxzlu.Ti2LLXI.0cdjG3GhYrEuPEbdzXRcjklWs7uxP1U24E5PWFJZk3k10b_tYD31ha7XHFJ2iCXLDLUIzpn31jat3.qCk6DbTehzfA3XN5FkuT6A2mWW9d62gd8JRc4tvDWdWAWyvSiRzwv2cKp.FACnp001KsS37sYDyRsmH.q7GEoBxXuCt37OgMYZE9IeP0EkFJiw2jBwlEkd255QV9O3PwNiej2uPz_cUmNBIz3.f4vLS5QXkU3PYy.7d5wd9QDCp.BkvliRIlN2hmKDjVvsNW88JEUE88WehD8t0NU4InMT2mlBacgPQIMK..sSAdaRlXYNhuvjguXoGLT_sP1OnKGiR4GOlpIylDosP018qbSjDse_8S9UakKwMJUJzdQoYSZnrXiHhuPh8X6Meewdo7_1fspQosL9rRf.LxCxy.ebAXuEcz6ZcIXBCaSyWyWG2FcVI419Rf_eKQ13QoZEF910keKcl.7XKB5AD6TlKuvOXzmWf4sHzRwvPDIVL_1UMGhZBBGsHWooHSG5nY1LGgqbpcDPNP_22TUHph8IOI1VzTl6XP0XcWrVxaDwjwNak02DjM1EudzieUGnm9UxvgWwAdTlCpXSUupAImgbMZpyyoo_IDn20qhRAtDuCNSTUqQeu4DAQvV_fsKY2sTuzdf.oY1deCGt2M5xbYl5udCNDgSliJUnL6UFaGxC91CLxmQ2LXUY4683FqoUxobsVqmdNJBW8zceoD33734A6iUUNCXq_Gf8g7H1jdHgR9OrvT3ZautaN3JwTX8.FwozN8GRr8ooXuzEuWjJ12EzrTeRJ89W51tjge.5OnCIRUUm4xlClmBpYrhoD1AKs7JxbDWxzxkWmC",mdrd: "P.tvNcD0H9WTQbYvZz.meHHJIfRkriGmyvyHHnYKdFc-1739137879-1.2.1.1-Ha4e.OGGyOb0LEgfsRKbdddvUat8z0MTIqW5lWaOZCjVpYFWvBAPhOVC0NhvicK49BdNvGwoC1yWVwA8URDBwbJTa98PseySm.KbnqAPosCbaIXntCfUl8y4u7hxjfylm1jP4E._DR.zGKslWKIGwL5vT.KWK6C58UVuS8zTHITRno.6AuE2nUiWPQsKBaGg2PvACfyAyrTlgbU8ZfdbUEM9PqIRAy4iTvagTltI3t1JB8kAZ6PomQhOrPHxin3YTLzIvfj33L3ghQnDwaBT7dMXZE8kTQ0wEewKWf9vXqzo3H.JmIkYU3J.RCsblSN3tp6VRc6ACzU7x9hcCGu6U.92rt7Fml8tII_rCnEUNk4Pp__FVUtlw4Xl7LgCtMgZA.j94SElqQubPmbxZ7HJrf.7a0Yh4h7wcndWCVJ4nM0.BZ5Xg40pBMvLU8pMeGwQZetNkd1n3O7f__vmpsEqig8pvH1mYyX4Q39OAUx_707iOn5znnyo4DfCx2BNACTdrDCqh_d_Duu2Bj3P3aYH5J502Wj..j08AO1ej_M1p7pMKxiDz3_gLizPmtAKsHPFXImJ4pKpjUX61B_9tkBIIECtZWLzrglnHXjjY8Lmt6sL1G_ImEQ.8e0IHR6oBqRUOlumJybYQCKELs2P5rJJ02UAvfAFd8oLhTjkZi.5DfKODE5pdWrMhEXNT4r2gAqy3pwtbGUHfihnx24Usqa82y4_PUnWB2egSOWjC4gbPIuvJIjR5W_2JeHdfBhXE5IOuk0_0Wqg_F_3HLJp_b0LCXxbZYhhMrR2_oPYooVIIBFbgPxaurhmMN2C5mrLVv.SJgZNULufFoUU1DdpOGqb3aWyLvuy3_qi.VMUfnHfPGyBghMESdwBuBsGpao3QoGQCtMzMEo8e4LUWc7dKPycqZLn0Pcp_yhPEI7h6kx_BspUAkzyU2Co4P5_931lh9DizSIAcYjGtYKXCXFqT4VNx9Hnu6YLzDodGg5_Xh9CTuGpBGmhyOFxBKC0Iz4XIxTwIlvMKNqswtkDLPX3AqYeyQCPQNBnADoxHz4iXUzp.ckrFTbHRza2P6b80ilM.qRFCEXSUraOlhXNstxT..s12lP7viMyK0XnFWt0b_Bu0eJUE0479e.pvi4wwLF91azBEmZllBsiRM1Q1bkyrxl9e2LrL_cP4DBYP9BpX227Kv_.0I6Rv53NDslKhO2HBPCUpv1fh1SqYis1wTEI9ybramERbkWLPd5Rahz2GTS41k3M4Z64UN5o95M8URFTbPSKHLSbJVVzNDP8fCATuFAzyPmI8RxGsJKAvErxpeIpnqr4S7p0tcU_PcsvbQZlmeUiHdwE7A7yxTOzgXvqms22fPmWMLOR4krc1gewzEF8lKepWwpYfJAcKkd5QdCzI4lE3RK5X9.97axrG8wh8O0b2M6zcvexhTkEhIiv3gnXPHS73iaiju9QkDra7.ZwI5aMZhsRtGVdWkWncAhs0Aqk1kYBfYHIYoQbwnB9xkZWOm_erpwmYVYEEVMWt3ruiVBKQ.ZzEFbKcvDUILnlcQIh39qK3EAKx3oSMGnBkmWsSMSdzyg5.oaoMvADJkYi3V17k8cQfbP57h_y_Cf_BiWTa41gKC31SGvyepA1k_BNvdtd1c_phVRie6i1PsL4Yt9N7b8klJXaZKJW5ZedYATAdWwayX6wasltvyB2lu.eJWdk9dorEf9CZOpyhIfWyhk7t5N39k0m9VNOp3FOdM9UVrb.aGSep57QqIOFW1OnNYTomE3YLBgepvFaBsfoM0kTzh_obMuTb2HFlIBUyJwUDBH74mPKuy6k8CzISiQ8ouM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f71485b9bdc985';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\/8137069452?__cf_chl_rt_tk=Xuf0R9a22yUNrcviDWyH8UzF95Kdfa5QY_WQGArU6GE-1739137879-1.0.1.1-eFRkLAsO1U4H95u2Wm9ZzcVGf5UoWllcRpygFDYXeGA" + 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