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-affulzv51.mit-edu.top/post/5930781426

  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-affulzv51.mit-edu.top",cType: 'managed',cRay: '910fe5b43ee8d6dc',cH: 'DRvLJKcPM9A259D0W7TEt5q.hCTylG3QXiRV8sQfjqM-1739398106-1.2.1.1-sdrdy8mHTFTiRXo3hUCyipOuERpgCSZsUSCaDmWawwFBsiTpXcLkGlUlBEXi18k3',cUPMDTk: "\/post\/5930781426?__cf_chl_tk=svfaJ2Le6m0tNdwzslmNjOXATXgxBn2NlbJWkXGLupM-1739398106-1.0.1.1-N2NQy0emeSbYwvJEKJpWiG4Nk0frfLu6h8PTrIZzcKA",cFPWv: 'b',cITimeS: '1739398106',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5930781426?__cf_chl_f_tk=svfaJ2Le6m0tNdwzslmNjOXATXgxBn2NlbJWkXGLupM-1739398106-1.0.1.1-N2NQy0emeSbYwvJEKJpWiG4Nk0frfLu6h8PTrIZzcKA",md: "gYVG0Jpl38dKTU7Xfji_vp7VNksy2lfPyycxw3z7gO4-1739398106-1.2.1.1-WhR.NrMWMwbAyOPGVV8I8Y7zMaQ9eO5pE11EgURSse7dnGAKKyPfr2rfgMArvZnYGe8QE3LvFwjVWkZUV55FHwGYXu659W4VCphHBwpWq7i8q4OlfwwQ4s14rsZMYxzvgqQg01vUvNCyC4GgPIrjDThX.KmSkFxw1_rTopWGeYSazDTTioLY4BK.K.kwS8OnbaI4pCGcqk1i1.C5NQfvvbIfPouNLBN6ss98PKljkBG3qwupygtuaoHBIqfOavM.E6C9kO6Ycj7x9zP3z1rZvBTruzBt4_CKkP2rJgV3rljl7d3QIzxuBz9fR9A.rMw0rlUtXt1UFF8UKhwG_F71eKFxFobKCAYPwXVnXj9ksDhQ56fwQV0Tskc_Kl_USattnTj2qZS_AiSGU_elWn12Oit8kJt6Btn9g5LaIEyV3om34Lx1kwna0KU.c4t7ykt3FagvPwS3UZJUrXQQ8XWU7LFwtAgn3gD4Ti8k9rNWoPpAXDClsj8URTvipYuoWgkEcQa8Sqi2rVu_iluKM8y1C5BwHXRr9ktLEb1ym8Ze4jT0GZgI1EdChswq32_0W1bdU7xfVcvxsQ.bQoPDoL4.AA7dGLUOiubysB0yqmEW1Wd__.I.mcg0hE6QGdP3dP_MmEqYZp_gh2Xo8BE3lFDqteA7.d6EepQTOGRiK3G39F81jXo1iUX0XpwlULbxuanCRYyKU7MDKFonP9QE61.djhDmvma3TD5Q2uMrUE3rAou8Klnltn1NrciHcSJuyR.k7fEhuzxuUizR1di15ncrbCwyj9cshdTodT1zCZmC7mXgtKqdy3Dzh1YDaiRs2fsj1.ZjHRKlZmSoA4a4yglCX36kOC86QnPYSixVYqm.AUPQWIGrKLejDxgcl76p24d9BG9tYBV_0rsdSs6J7eTfgVxsr.pcXTNvVPRDBNtRKc4.U32x8568s9jIuoKL2DPplypKHEo6yIyTfsTkrDnfCEkDupssuSLTmgjmBHoTxUAdA11v5RLIeXTG7j12kcl6hJaauhal2SqQJQ87nH4ejdA1priN6.K33okE7IbYs4H2mvwZ0wjJ.hmZOYG2Lv0TNBwoZ5a9Zb0p4PZyd7BZC.mP05p7o6aFwQznLFrCK3qskEl4BjF9fTvQu0kH3vOpPgine6y6sOuK3a7QSR_NR9Wob67RcXzS4h86EqRYfyokUbrlJK_1V7wuFJ02dX3uwiPcT1_9PLkn7Gv_k2VJ4mt3FJOe8De6zosD_xVxFuJV6JrZkU1KlY_IqfaOL_LeR6VSdOQ1OORixUddktUaE6d6qIFZpsx_TAOTEYeV57s2o..oOiY0IuOkBO3tWgC_KlOaFtrInuXO1kDP7lT9RsaccoO8yMPlN6F2ZqfVcZL8XCupJWl9HaiFCek5JQ28hJeLegKrJBPpf95aVQwGWhj.wevTwnObhjcugfJBrN7axDP3dmLzjb4KrQx7qLW_J90EHL_IKeYr1HHkyAQO2ViaybnhCuUTNgHnet42I0exRY1C71mpYtS93yWom12BEOPqnq3sWsfJC7f2_yidmNYFByrrhY52nA1Nt7Nic.0nJ3hNbOvUdDakUgJO7VMvIMirMvmDe6awfcxDRqW0WHRowcg.T6MX7M4iuRihO_UBRZpqBJ1sUKMA16y2erI25t0nw9_2OLDovEUl8BaScETPc4SxIYB9MOUnM5LuGj6np83uMh2LeObKP2HmIGD1rtgDo8DY4pSyuCk1moFtehGZBzrnyTQ29dgAqKBd5.bLOplYcG1d_M3.pjZvO17.Fsv2VrlgJI.FyOs44Rt3_wgC3itT_wGcBHt3ImzcukQC1RJMgyt1yyt0KrTWQE6oc70yXy0DVWntCi_3Sr7QQQBIN0YUfdOtAt7eBFJwAE69veSo2ZlFJCsDLk5lVRE8IaRUEI0s7uHumdN2QKYevFjtcC9Zujo929ayDKKyt7Il5Rg0RaEij0xtXE.exN_DBUznrJdRoWk4be9m5JBfuuMbZMocd0XTM9zXzpj8j8ZjxkegADa8s52uAmhmO.dS3DSmo1faNeqUj0LwKi3iFnol611sSw3ac8qUrCkSrYubEtgTrX7q.hHZdkgscxVyOJ.v31Dqgxn.Ve9RLj_AFY8flyeh5UmRyL7ylRV7VP92SBIqDyfvS4sX64ler6mpwJvFM9.ZiLVADdwByXJfm4k2kMZ.ivxjdput_Z_EHbrBOriVG1GHnshwwsjVutdY",mdrd: "sA2.AtREjDbggJ90umvTGReTa_q9UccrpOc9w8ZxDW4-1739398106-1.2.1.1-RwV9HGoqSkuU3S2Nf7XY8wtPjOd2fu3re7JfJQxM5Ib72sUAYCUNrp28bWVUj5mJoppISpTRAShUeekhe5EgaddG4OZ9EOKAL4l8XkdZObxpicB6yDdr519ojCWxWl2QiYULR32ubQvos2YAGAbsfDV.sYZgUv18cPFB7vNlTs3.wjqNxMa5S7jzPsF1rY4d9Q8YQo_GA9U32PDO3f8LL3LgpgRdGdzPHBwnyB6pJUf98_kg_vZVJCI_Vp0sBk8hPAyd5aYW_9qBe8UHQ6R47U6jfV5r7YRh3S1uirdAxwSVmc3PXs9NwoLGddrnWaBKz9BBACrn_yPYaqoNOPYW4d2.lipWxEyq3FwQc38NGegkb.itMJa5uRa5NbMMMitYySfLrq3gOvpGT3IbLPfrExHIU2N3Ixulx2JIcpDc3VACMRvFEF2EHbGlrcQJQVlO7ONGPsDxo38RxLCTCyToBumZ.xgMcxmhZUKS9HfdbH7zjdSxm8eIdKaoT3j1YuHbO78x9154deP8v73xnVHD_HMTyWfsy4mgOWoKE1fql.Qa7wbkM8cHIpvOTpRCDph_KAxntNE_E50VnX2QLBLcMON6hwsfk0eVAKWyPb885C_5b9Kw.HC9vQEI8FzlgN_Ei8YmVWuqkfTp4QiHWX3VtupFAE1.KBwtexgL8Nfk76wTqKr.3l90G4b6ZGXIQ3.qf7Y0ydbF62RcBm5LAzx0VgNfwFhTbNBm1sDZoIOnuUhQtBCEq5qFjSSO_pVJMK_RQGS63Z2teNrtvcQ_ZWfN75MYQ5UTGokEIYJWjMYJvuMtC5KX4cTRbzXrJMSpv77vdxVMyg0EV8VAw_5S_yNcNlBRsg2cDzz4VcHzDtZ5uansG.MOFAiWr1RnZb1DLSnxEbIRMlLyppUEZjtaOPLqOZe2cVE3w8AdOJisphBaQQ3PdGePgXsm6MI7UTtRKhbD91NpYycgKohKfdggPHcUKVZ17MlFZDU1YX14.JFtcZgphW6qxo_S9JH0uxDIhbyRaJRQfX.XR6cDMbSIE5uLm3vQN5YHRnupiOOJHuVlj028WvF6PI.FFdycbdk7K9xawgEi3Vmwty8VKaf1Xr6Kks6_NAenx1Ch8R4vxj4sE6EOX_0rmeLjAOxnQhMFhfStw5l0996LxEEEHExx5q6_QeXBFVns3d_.P1wsBhHlL0O592UHIdyT9gFkt2vXpJFur9SoBM62DCpR8mJ7tx_5hK.2fs.pxkMlgjCBnmYMv6Y8maK7UcZz0gbPV6VzM8vbLXYgaQYcMLrU5EOpM..nnS92QbALJJYEQjGqZAyWqJAYzKmK04KdLMT0268n8vae3v6KNt3Ngig0zCQ7AxyNfCESkRhQQPq8zltR4ucTyaUlylnMVRBHIacHv79tkbvUfYyS2YwI2E5zZs8UiDaqhbasPZXClr1rM8zLC2EE5qYYSYlv60Fep5I3EocammDnBUs4XY3eWkaUgnt.WeYdp2ylllKkQjizo0Br3RcPGO_alVv1pl0bqoEJIqf6TWN7rzz8Dtcoz7ZRM0oVMgW8SYKtYqkOTkCkCPSaQsWezeY4k3gfmhtyBkpBF0DAb8_DdU1b61b2rFtV05Nk_cP9nt24Q8MiC25NNjY1yWJRxRGHy7MCScWKGzHGCj03oP5A0XStlABJHVX9mRuwStTexUp4CBz53RH2PtwXbszwGjwVUOJqIzHej2homcJsoj.n8Z.D5Yd7UGgUyT1I2jiRlJ2vkpirS_YSrhN.giOAGJyb2ZZQhuL5YUsgkflTzV1uQcOB8GiyhBkLXmwplWFJA5Eu8R98wzPC4T.TeXeV_Pg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fe5b43ee8d6dc';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\/5930781426?__cf_chl_rt_tk=svfaJ2Le6m0tNdwzslmNjOXATXgxBn2NlbJWkXGLupM-1739398106-1.0.1.1-N2NQy0emeSbYwvJEKJpWiG4Nk0frfLu6h8PTrIZzcKA" + 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