The problem: I write a document with LaTeX equations in it, e.g.

    The quick $\alpha$ jumps over the lazy $\beta$

and use org-html-export-to-html to export to html. The equations are
rendered in MathJax. In Google Chrome (version 39 for me), the rending
time for the resulting html file is extremely slow (about 15 seconds).

I noticed that, if I replace the line in the html file

    <script type="text/javascript" src="
http://orgmode.org/mathjax/MathJax.js"></script>

with

    <script type="text/javascript" src="
http://cdn.mathjax.org/mathjax/latest/MathJax.js"></script>

the rendering time becomes normal. I think it is related to a bug in
MathJax (report:
https://groups.google.com/forum/#!msg/mathjax-users/S5x-RQDPJrI/Tn31F4NjcTcJ
),
and emacs is using an old verison. It would be great if the MathJax on
emacs server be upgraded or patched.

------------------------------------------------------------------------

Emacs  : GNU Emacs 24.4.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.14.3)
 of 2014-10-21 on bitzer.hoetzel.info
Package: Org-mode version 8.2.7c (8.2.7c-64-g01f736-elpa @
/home/wangyi/.emacs.d/elpa/org-20140915/)

current state:
==============
(setq
 org-src-lang-modes '(("mathematica" . "mma") ("ocaml" . tuareg)
      ("elisp" . emacs-lisp) ("ditaa" . artist)
      ("asymptote" . asy) ("dot" . fundamental)
      ("sqlite" . sql) ("calc" . fundamental) ("C" . c)
      ("cpp" . c++) ("C++" . c++) ("screen" . shell-script))
 org-tab-first-hook '(yas/org-very-safe-expand org-hide-block-toggle-maybe
      org-src-native-tab-command-maybe
      org-babel-hide-result-toggle-maybe
      org-babel-header-arg-expand)
 org-speed-command-hook '(org-speed-command-default-hook
  org-babel-speed-command-hook)
 org-occur-hook '(org-first-headline-recenter)
 org-metaup-hook '(org-babel-load-in-session-maybe)
 org-html-format-drawer-function '(lambda (name contents) contents)
 org-latex-format-inlinetask-function 'ignore
 org-confirm-shell-link-function 'yes-or-no-p
 org-ascii-format-inlinetask-function 'org-ascii-format-inlinetask-default
 org-file-apps '(("\\.nb\\'" . "Mathematica %s")
 ("\\.xls\\'" . "libreoffice %s") (directory . "dolphin %s")
 ("\\.djvu\\'" . "okular %s") ("\\.pdf\\'" . "okular %s")
 (auto-mode . emacs) ("\\.mm\\'" . default)
 ("\\.x?html?\\'" . default))
 org-support-shift-select t
 org-latex-format-headline-function
'org-latex-format-headline-default-function
 org-todo-keyword-faces '(("[TODO]" :foreground "red" :weight bold)
  ("[PROG]" :foreground "magenta" :weight bold)
  ("[DONE]" :foreground "forest green" :weight bold)
  ("[WAIT]" :foreground "chocolate" :weight bold)
  ("[PEND]" :foreground "dim grey" :weight bold)
  ("[CANC]" :foreground "dim grey" :weight bold))
 org-after-todo-state-change-hook '(org-clock-out-if-current)
 org-latex-format-drawer-function '(lambda (name contents) contents)
 org-from-is-user-regexp "\\<Yi Wang\\>"
 org-src-mode-hook '(org-src-babel-configure-edit-buffer
     org-src-mode-configure-edit-buffer)
 org-agenda-before-write-hook '(org-agenda-add-entry-text)
 org-babel-pre-tangle-hook '(save-buffer)
 org-mode-hook '(#[nil
   "\302\300!\210\303 \304\305\306\"\210\307 \310\311#\207"
   [yas/trigger-key yas/keymap make-variable-buffer-local
    [tab] add-to-list org-tab-first-hook
    yas/org-very-safe-expand define-key [tab] yas/next-field]
   4]
 wy-soft-wrap-lines
 #[nil "\300\301\302\303\304$\207"
   [org-add-hook change-major-mode-hook org-show-block-all
    append local]
   5]
 #[nil "\300\301\302\303\304$\207"
   [org-add-hook change-major-mode-hook
    org-babel-show-result-all append local]
   5]
 org-babel-result-hide-spec org-babel-hide-all-hashes
 #[nil
   "\300\301\302\"\210\300\303\304\"\210\300\305\306\"\207"
   [local-set-key [134217840] wy-screenshot [f5]
    wy-org-to-texpdf [f6] wy-org-beamer-concurrent]
   3]
 flyspell-mode)
 org-ascii-format-drawer-function '(lambda (name contents width) contents)
 org-replace-disputed-keys t
 org-ctrl-c-ctrl-c-hook '(org-babel-hash-at-point
  org-babel-execute-safely-maybe)
 org-cycle-hook '(org-cycle-hide-archived-subtrees org-cycle-hide-drawers
  org-cycle-hide-inline-tasks org-cycle-show-empty-lines
  org-optimize-window-after-visibility-change)
 org-todo-keywords '((sequence "[TODO]" "[PROG]" "[WAIT]" "|" "[PEND]"
      "[CANC]" "[DONE]")
     )
 org-babel-tangle-lang-exts '(("mathematica" . "m") ("python" . "py")
      ("C++" . "cpp") ("emacs-lisp" . "el"))
 org-confirm-elisp-link-function 'yes-or-no-p
 org-metadown-hook '(org-babel-pop-to-session-maybe)
 org-latex-listings 'minted
 org-html-format-headline-function 'ignore
 org-babel-load-languages '((emacs-lisp) (C . t) (python . t) (sh . t))
 org-html-format-inlinetask-function 'ignore
 org-clock-out-hook '(org-clock-remove-empty-clock-drawer)
 org-confirm-babel-evaluate nil
 org-src-fontify-natively t
 )