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-aff8gjzqi.mit-edu.top/post/0726391845

  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-aff8gjzqi.mit-edu.top",cType: 'managed',cRay: '90f4234f7d83f28b',cH: 'BA68R2q.48emv9iSAOMRtUMS0W9SObGbH2y0CDPGdWE-1739107028-1.2.1.1-z5j4VRIjpgks_r0gc.xO5_r7Ln82UiEKcMKZcn6oSiV4ckix2Om0SP1Iq82lRCe8',cUPMDTk: "\/post\/0726391845?__cf_chl_tk=Wjpl.wu3oxHBaAotVZ1apfpAzAonNE0A3Jaey4MCtG4-1739107028-1.0.1.1-B0Ykc60n74mNUTeFErNCfBl4470SMa_GvQUhqLZ_zR8",cFPWv: 'g',cITimeS: '1739107028',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0726391845?__cf_chl_f_tk=Wjpl.wu3oxHBaAotVZ1apfpAzAonNE0A3Jaey4MCtG4-1739107028-1.0.1.1-B0Ykc60n74mNUTeFErNCfBl4470SMa_GvQUhqLZ_zR8",md: "heSv2R11wFbd63hRY3NUA0Q0xT9ZVnII9hY8h10nLSs-1739107028-1.2.1.1-SaKKREih3ZSLpZmu5pQOT6ycdXYssQQljfaQJrG1WLaC438QQXlDU9ebah1fwQ87FlhFLoAjGSiWOssQQKwc1wbqjXfiH.uL4qYIZm9CpUSY0qML5hD3FPT_18GzhqoBJcgMnxREE2aHrNSu.GGdhGDzZ9nPsMWjbUEiNrITikrxrLBUHjz99FcNGVytHcUgUTj3McqUCGHCQuMls681YBdXkqFeT4cQcvvwqK7iCuAHxCNCHaam3VgY_Fp30gdkNUkVlrnp__0h341h2L5EBJdCITIRr3O9fSaFN8fleVIOYM93fI_rqbgnShm9wzugKT81ihwfxW32xBwPH.f40irW6gbvMI9Y9s9sQpDFc.D6O34t3b5Iz7nxnXMLg4Uc183CSw75fCKwwh1YMWNxeAdT0.v2eJNXKPM4JjupPD.9XSy87N8MCHfPrqNlmmr4P0epNA1w8jhh1TwrSkIEkdf46S5XGRk2klY03TWEW3kYIBDsbEuixcplONaQD3MOoF1QNnFIprz5W45qYNa3YcITFYGEG8v3k6mBcz9S1thygO_krjgsuNeA.jUh1efl2i6LninMSf53wlMt7_cX2xaCJkyoqxKbXa1s6I_U4SlyywFwr4dvtyqzQfccJDQg0o88NsEnh1aGLNPzMzFwxUR8kWb0NnnefgNGbNmbxcv4OfCm2s3Ncan58H4KCICaBk8KbFw6fPwzwyfaY3hLd35ojpshUt2OFCQJ7iEtp7y2mysAN9cm38FgpAKHownh9maVMqzK_U2dIVtMpa1BPa9mqtWUS8QPE6EQa2pAlZIIsxs1KA5t4YfubgPxmfNcKGYKFkrqZypPeHrT7aZMpHub2JafDSKQQ.NDwcGsXWxhsbmwmjEuRf9QcDDl8xdECwuVC.AitVybEQDZAWEg7H2eDYSfI_qw1ndP6VLhKgn9l7fllHZuMluyUOAf6OcKU8GJ3d0mrKYdwR.XHnFrDP3EbCQ6KH1OqrGf5NSDhJt9PFsf.oCEy5I5rJX80O45hk9ehudw_5uLeIst.O31gkN_IrR1rKcY18y3MOLRZhH7zYJM3844MHlzfJODKuwg1bXMXp_bo6ERFWljL_cNQBfnpXhFUBwm0vjQRMaBfbuA00MSQxQsPgB3Ewvm5ZcAh0F31_Rf2ysjDaUmGxWxOUrczrfQN79ecND4Z8FTR9wUL_eWRvExbg_wdn5pZjPIXEBFRqZOyPiJtzz2GJmjnV9AzbqIg5KaP2a9e8AFA3RJn76RKUry07XK6_vpEEe5ePRAWggC3SxDTvFGwW9X9XCeeGf6bB_pvbCI8olYJkB9EHrZMX_itj1oXC3u9empFtJp9tlUJxd.LsaJCs.vFpO1pko6WIUVJGtAzs51d3EKzgMIV1I2ctmakGt2Yyqhp57sGUP3TjisJYzHy.T3xwsC0PkOyE4g2xHcOaNHkxt5.whKxJ8y4oXkaYc4mmG9dIr.DKAA4Xs2heJ5T9vZwLs.IRifvqSPt8r2NUjdFZP7dOUQd9iyviwN_FPzeYTxcxc62J7a_XUSkrbF9RZSz5toIeGTazCLXZVS6rkO2d.MOLl67heD2F7r91SOTON9s2IvZYP1PUPrbhwjKMoqewe7wt2O9s1ig1s8XtFSeTq5.fB.aIjW1B6GS2SZxyJdlbZ7nxJoLRqCaUAIGA9Y6tTeygRjWiTKq0IeeLlePXTv1fGb4482GW8qokNx98IdiqeniRoRqM63PYfU3P_yzVPohkZiG8k6LpiGkJ1EyhR8HIHAbUhwQIeX0HgjZXEBpKAvZydEu4oeTyAyDXH0.lYfkTqgxd2c.TdrwdQYKCUlV52UHsMTN3dWaUhFpzyZqo3g_YL1kN6IRp2Xk8GS9Mc_UXhaldCFFzt8QcUHTFRLKfpqboYGA75cb3vMB2NUQdwvB1wPWF3_uE4AgMYgi8alqClgJ3JSwbwDqTmUCs4giwHu3ga92g5J3eQmMYURaxCrX1gRILU0lSazYHPiHBZxjq8RG4MP5y5ht2ivAQ6iqhdhLzGrYxBPA9yOKnOkHxfqcn2V3bc7JO6VCQ4JPQ7JsI38rfuRrjVtffYlJMGuS2TEmGIJYyCi4UdCEIzBhsVjftUhtfDxxHn46Ahrl4loZWJYP23V_VZXMQIoILM8P2bLeTmg5thDCMvrHI8iPD0Ts0vJCw71.w7RhQojJw84hmF6o8MEypoNcLaIrnYIKXXtvV_PwfipuL1yDQ_K",mdrd: "1y1Z.Y8UAtc9vjplU0KIBkt1a3Ab6w3uLAcE2W1tlT0-1739107028-1.2.1.1-sTb5gfcxNPSi8GstTWbbFgpWh5MljrVSgguZRjQslcAqB9FDM6BR4riRq4IGhgzL9ic1vMb3pBSzFtKypq4mLGAss9eHc7l.uWzj2XZFy2GU9pi2_4RNBFJCc0A19PUKC8eFh9BsjTLY9mo4dBk_RQsJG32SCDPCt5bdZWzGfefXyju3a79JIC8HDa.5rzIrscUW6rME12Yhyg7cMaQupo58JCF_hgV2a0MyK9yq6q7iZA3xtxld4SWLt5b90ucYXJd1SIq2oRTakkoh3XIvIwlyozOQ7qOq_tBsSga323x9B00o1jtC8kOHOzMn1iiAmNh1Nunq6eeCsVIO.n3OiUhmeF.YLumVf3hAMfbvNI2oz9oHIPEtd_BSgKw3dQy31fDq7XVpdC9bDCuWwtrOVoOxbdheJx_fHpknxBWZk8rSc.ng8eD_1UAa0Kudhd1vJwnaeRtCxiA9nTMyn8_n_.2Jsb7CbLmtnTAi0NYbimN0P5f8JWfl0FantWGlcC5KYg5TS.D.DoTMscHpNE2Y7NYX.IGBuPosmhXCISVW3HEjci.7cWOEPVfcMo2JvRkpevqv1zMG44SPFh3fAk76iH3r9XhIYi7sipzAmQwVMdQIl3WwsPRar.Zl2GNgR.QRXhM9yBwoCfwXiQ1JPS9OndJSgA.KihLAANQqvJB_4jurDgTvuxPC9jUU1vA11DBNIizhET1Bt.vj3J25d2rIhlp4dmLrnOfLnuz1QEeLm.AYc2fPS5invjs2cMXzMMVAvGB.JyxZXE1CBs22TLktdCAbjbxWTq9SwTCR4vi9CvAT_.YWU7a_qUp12M7Qe7LiaNPvbXfHFxb3_rYgXasD8CMnd4qR8bzKtwkh3woyllS58kL9e3kUlW62OnwG5I9Xh0mlAWzQ4IuTjSqU7WVklsUFgDa3LrQbC44D3TmjpuQxBqc1WL6D42tgWiqKWz2LA9jCDYGldpCIjQ1XlfSROpW93FZv66UJOHRwRqIwyXVJgWLGLqAl9falmXCDuqCpvgbX3RnOVYvUR3lGLcx_SSyYhV54IH3RLUY3.ERYC9k_YrhBfySMdv9qS.UBpIcgku3bUPMCiud4eaGJEU9hJa6bn3xwFm5NvQNWRbn.f9g0z_ZOpd12vKOTN2Vy8TWlZoT5MdDR5C0Zf5uv_NvsAaTjRIrpzdLLFJSME7emmFbSYoNbRuPlswdRFNfaXoe0lriZgDXFbXr3ApXxMwh6srZAqgnArO.SksAZeK1_WocG1fNrzU_aRIi4ytkiF5t7ku.G0Da.3I0uf6ocd._PWOxz_QiRNoO0R11n0e1K2lcpQypvpJ_UWqy0TBOe1X4MbJ1vav1w07vH0jme9I0JPOCl4Oc50frptRLBopBxjYIYVmQXpE3PX9iZLmUYpeajP2KsoCml3.xn7B7Ap52TQhPjmkIz5rdEBBhs.2n.uJ8bkanOLPU.8_Lq9.ISDZRlf45J3kDTX8eGRn0YBJWjrdpi6P8OMgmFFXrDtszW87QgmRVuF_NbI.w21TAIOGo8BHW2bAg3B4VJZ2chB0Mw2tJ0ybaxAz.D9TO57Eg6fPrcGiTbXORdWsSrpj8kYTHswM5.82wqAmpdwvMnUwhuw_XRlafC4IBabd3sDHNJ9YL0cNpy.zpqdL0liUCp5r9J_B1Z14GJth13KWTKuYyBjlZolBSXVsd7S6VOJlSdi.ZmE5H5Ml0oCnIdmQIQy2QnRnSmS78Y355mWjneWw7sfHcfSr_aXkpm7wE.sp.Y0aIZmecQVrcF0gmGehrJqPgdlUmnRz0AofZpjUIuULkfRg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f4234f7d83f28b';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\/0726391845?__cf_chl_rt_tk=Wjpl.wu3oxHBaAotVZ1apfpAzAonNE0A3Jaey4MCtG4-1739107028-1.0.1.1-B0Ykc60n74mNUTeFErNCfBl4470SMa_GvQUhqLZ_zR8" + 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