Page Displays Incorrectly -Possible Caching /Template issue - Joomla! Forum - community, help and support

we using joomla shine template. site has worked 6 months. recent updates seeing display problems across site. refresh works, not want live with.

in global config - system/cache set on conservative caching. server/gzip page compression set on.

my .htaccess below. help?

i attached image of same page - 1 display problem - , 1 after refresh.

the website www.indexengines.com

bad display:

bad screen.jpg

after refresh:

good screen.jpg

##
# @package joomla
# @copyright copyright (c) 2005 - 2014 open source matters. rights reserved.
# @license gnu general public license version 2 or later; see license.txt
##

##
# read if choose use file!
#
# line below section: 'options +followsymlinks' may cause problems
# server configurations. required use of mod_rewrite, may already
# set server administrator in way dissallows changing in
# .htaccess file. if using causes server error out, comment out (add # to
# beginning of line), reload site in browser , test sef url's. if work,
# has been set server administrator , not need set here.
##

## can commented out if causes errors, see notes above.
# options +followsymlinks

## mod_rewrite in use.

rewriteengine on

## begin - rewrite rules block out common exploits.
# if experience problems on site block out operations listed below
# attempts block common type of exploit `attempts` joomla!
#
# block out script trying base64_encode data within url.
rewritecond %{query_string} base64_encode[^(]*\([^)]*\) [or]
# block out script includes <script> tag in url.
rewritecond %{query_string} (<|%3c)([^s]*s)+cript.*(>|%3e) [nc,or]
# block out script trying set php globals variable via url.
rewritecond %{query_string} globals(=|\[|\%[0-9a-z]{0,2}) [or]
# block out script trying modify _request variable via url.
rewritecond %{query_string} _request(=|\[|\%[0-9a-z]{0,2})
# return 403 forbidden header , show content of root homepage
rewriterule .* index.php [f]
#
## end - rewrite rules block out common exploits.

## begin - custom redirects
#
# if need redirect pages, or set canonical non-www to
# www redirect (or vice versa), place code here. ensure those
# redirects use correct rewriterule syntax , [r=301,l] flags.
#
## end - custom redirects

##
# uncomment following line if webserver's url
# not directly related physical file paths.
# update joomla! directory (just / root).
##

rewritebase /

## begin - joomla! core sef section.
#
rewriterule .* - [e=http_authorization:%{http:authorization}]
#
# if requested path , file not /index.php , request
# has not been internally rewritten index.php script
rewritecond %{request_uri} !^/index\.php
# , requested path , file doesn't directly match physical file
rewritecond %{request_filename} !-f
# , requested path , file doesn't directly match physical folder
rewritecond %{request_filename} !-d
# internally rewrite request index.php script
rewriterule .* index.php [l]
#
## end - joomla! core sef section.

########## begin - etag optimization
## rule create etag files based on modification
## timestamp , size. works wonders if using rsync'ed
## servers, inode number of identical files differs.
## note: may cause problems on server , may need remove it
fileetag mtime size
########## end - etag optimization
########## begin - automatic compression of resources
# compress text, html, javascript, css, xml, kudos komra.de
# may kill access site old versions of internet explorer
# server needs compiled mod_deflate otherwise send http 500 error.
# mod_deflate not available on apache 1.x series. can used apache 2.x server.
# addoutputfilterbytype deprecated apache. use mod_filter in future.
addoutputfilterbytype deflate text/plain text/html text/xml text/css application/xml application/xhtml+xml application/rss+xml application/javascript application/x-javascript
########## begin - optimal default expiration time
## note: might cause problems , might have comment out by
## placing hash in front of section's lines

# enable expiration control
expiresactive on

# default expiration: 1 hour after request
expiresdefault "now plus 1 hour"

# css , js expiration: 1 week after request
expiresbytype text/css "now plus 1 week"
expiresbytype application/javascript "now plus 1 week"
expiresbytype application/x-javascript "now plus 1 week"

# image files expiration: 1 month after request
expiresbytype image/bmp "now plus 1 month"
expiresbytype image/gif "now plus 1 month"
expiresbytype image/jpeg "now plus 1 month"
expiresbytype image/jp2 "now plus 1 month"
expiresbytype image/pipeg "now plus 1 month"
expiresbytype image/png "now plus 1 month"
expiresbytype image/svg+xml "now plus 1 month"
expiresbytype image/tiff "now plus 1 month"
expiresbytype image/vnd.microsoft.icon "now plus 1 month"
expiresbytype image/x-icon "now plus 1 month"
expiresbytype image/ico "now plus 1 month"
expiresbytype image/icon "now plus 1 month"
expiresbytype text/ico "now plus 1 month"
expiresbytype application/ico "now plus 1 month"
expiresbytype image/vnd.wap.wbmp "now plus 1 month"
expiresbytype application/vnd.wap.wbxml "now plus 1 month"
expiresbytype application/smil "now plus 1 month"

# audio files expiration: 1 month after request
expiresbytype audio/basic "now plus 1 month"
expiresbytype audio/mid "now plus 1 month"
expiresbytype audio/midi "now plus 1 month"
expiresbytype audio/mpeg "now plus 1 month"
expiresbytype audio/x-aiff "now plus 1 month"
expiresbytype audio/x-mpegurl "now plus 1 month"
expiresbytype audio/x-pn-realaudio "now plus 1 month"
expiresbytype audio/x-wav "now plus 1 month"

# movie files expiration: 1 month after request
expiresbytype application/x-shockwave-flash "now plus 1 month"
expiresbytype x-world/x-vrml "now plus 1 month"
expiresbytype video/x-msvideo "now plus 1 month"
expiresbytype video/mpeg "now plus 1 month"
expiresbytype video/mp4 "now plus 1 month"
expiresbytype video/quicktime "now plus 1 month"
expiresbytype video/x-la-asf "now plus 1 month"
expiresbytype video/x-ms-asf "now plus 1 month"

########## end - optimal expiration time

if has time or desire - click on few pages on site see if display problems happening? people dont see them. thanks!!

www.indexengines.com