HTML5 not working on iPad, multitude of issues, looking for solutions

Hello,
I'm trying to test the possibility of publishing trainings to HTML5 for use on iPad or iPhone. In our first test, we put the HTML5 publish up on an LMS and accessed it through an iPad and iPhone. Via the iPad we used Safari. This is what happened:
First three slides did not appear (first has a single image, second has an f4v video, third has an f4v video).
We had narration throughout which did not play at all. Audio files are in WAV format.
Overall very slow
Crashed on one slide
Slow navigation on the Table of Contents.
Any suggestions about why we may be having these problems? Should we be using a different browser? Conver the F4V videos to something like MPEG or AVI? Anything helps, thanks.

What config are you using for the H.264 Conversion? Here's some info that an Adobe Engineer posted a few months ago for me on another forum...even if it doesn't help for this scenario, it is definitely great reference material:
Best iPad Video settings
Follow the optimal settings to get excellent playback quality.
Video:
Codec: H.264
Size: 640*480 or 1280*720
Bitrate: 2500kbps
Frame rate: 30fps
Audio:
Codec: aac
Sample rate: 48khz
Bitrate: 160kbps
Channels: Stereo
iPad 3 Supported Video Formats
The new iPad 3 supported video formats is the same as the old iPad 2, but supported the higher resolution video. From the following lists you'll know iPad 3 video format.
AirPlay Mirroring to Apple TV support at 720p
Video mirroring and video out support: Up to 1080p with Apple Digital AV Adapter or Apple VGA Adapter (adapters sold separately)
Video out support at 576p and 480p with Apple Component AV Cable; 576i and 480i with Apple Composite AV Cable (cables sold separately)
Video formats supported: H.264 video up to 1080p, 30 frames per second, High Profile level 4.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
iPad 3 Supported Audio Formats
Frequency response: 20Hz to 20,000Hz
Audio formats supported: HE-AAC (V1 and V2), AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, and 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV
User-configurable maximum volume limit
Dolby Digital 5.1 surround sound pass-through with Apple Digital AV Adapter (sold separately)

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