diff --git a/site/source/docs/introducing_emscripten/Talks-and-Publications.rst b/site/source/docs/introducing_emscripten/Talks-and-Publications.rst
index a01b995380373..c576fdac6b04f 100644
--- a/site/source/docs/introducing_emscripten/Talks-and-Publications.rst
+++ b/site/source/docs/introducing_emscripten/Talks-and-Publications.rst
@@ -19,7 +19,7 @@ Presentations
 
     - `Video of talk <https://www.youtube.com/watch?v=Dsgws5zJiwk&list=UUMlGfpWw-RUdWX_JbLCukXg>`__
 
-- Slides from GDC 2014: `Getting started with asm.js and Emscripten <http://people.mozilla.org/~lwagner/gdc-pres/gdc-2014.html#/>`_ (`kripken <https://github.com/kripken>`_, `lwagner <https://blog.mozilla.org/luke/>`_)
+- Slides from GDC 2014: `Getting started with asm.js and Emscripten <https://web.archive.org/web/20140325222509/http://people.mozilla.org/~lwagner/gdc-pres/gdc-2014.html#/>`_ (`kripken <https://github.com/kripken>`_, `lwagner <https://blog.mozilla.org/luke/>`_)
 - Slides from Strange Loop 2013: `Native speed on the web, JavaScript and asm.js <http://kripken.github.io/mloc_emscripten_talk/sloop.html#/>`_ (`kripken <https://github.com/kripken>`_)
 - Slides from GDC Europe 2013: `C++ on the Web <http://www.slideshare.net/andreweissflog3/gdce2013-cpp-ontheweb>`_ (`floh <https://github.com/floooh>`_)
 - Slides from QCon 2013: `Connecting languages together <http://kripken.github.io/mloc_emscripten_talk/qcon.html>`_ (`kripken <https://github.com/kripken>`_)
diff --git a/site/source/docs/porting/Debugging.rst b/site/source/docs/porting/Debugging.rst
index 363e2c5f38ba4..d86df6f6a8ce7 100644
--- a/site/source/docs/porting/Debugging.rst
+++ b/site/source/docs/porting/Debugging.rst
@@ -349,7 +349,7 @@ Useful Links
 ============
 
 - `Blogpost about reading compiler output <http://mozakai.blogspot.com/2014/06/looking-through-emscripten-output.html>`_.
-- `GDC 2014: Getting started with asm.js and Emscripten <http://people.mozilla.org/~lwagner/gdc-pres/gdc-2014.html#/20>`_ (Debugging slides).
+- `GDC 2014: Getting started with asm.js and Emscripten <https://web.archive.org/web/20140325222509/http://people.mozilla.org/~lwagner/gdc-pres/gdc-2014.html#/20>`_ (Debugging slides).
 
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