Having 4000 posts, my site is so slow

Related Posts:

1. W3 total cache – cache refresh programmatically [closed]
2. Should I use Transient API to store HTML String, or Object?
3. Caching: APC vs APCu vs OPcache
4. Best way to show Dynamic Content on a Cached WordPress Site?
5. Is define(‘WP_CACHE’, true) needed for object caching?
6. Prevent WordPress from sending Cache-control http header
7. Optimize apache for WP use
8. Pros and Cons for high “expire time” on wp-super-cache or w3-total-cache? [closed]
9. Limit cache size from W3 Total Cache [closed]
10. Does a query executed through wpdb class get cached?
11. Configuring WordPress for Amazon CloudFront Caching?
12. Caching: Force fresh content for logged-in users (potentially by adding a query variable to the URL)
13. Multiple WordPress sites eat up alot of RAM
14. What exactly is an advanced object cache?
15. Using a wildcard with delete_transient()
16. Will I see a performance hit if I use native API calls like get_the_title() instead of $post->post_title?
17. WordPress Browser Cache with W3-Total-Cache doesn’t show new posts [closed]
18. Nginx + WordPress + HHVM: Why isn’t Batcache working? Would Varnish help even more?
19. Does a low traffic WordPress site need a caching plugin and a CDN
20. Automatically Refresh WordPress Stylesheet
21. wp_cache_set() or wp_cache_add()
22. How to use cache with simplepie
23. Fragment caching increasing database queries
24. Can I force get_option to go back to the DB instead of cache?
25. Which WordPress pages/URLs should never be cached?
26. How to archive a wordpress site (make it read only)
27. How to purge all transient caches?
28. Stale cache handling with a persistent object cache
29. Varnish + W3 Total Page Cache [closed]
30. Are there any server requirements for WordPress transients to work properly?
31. Writing a cache manifest file for a WordPress blog (app cache, offline web applications)
32. W3 Total Cache doesn’t detect memcached [closed]
33. Settings to get the most out of W3 Total Cache
34. How to force content refresh of a page that has been loaded previously by the user? [closed]
35. Help Pinpointing Source of Caching Issue
36. How to clear cache without a plugin [closed]
37. can’t see live version of style.css – is it web server caching?
38. Want to enforce the visitor to load the new version of your stylesheets and scripts [closed]
39. Can someone explain WordPress caching, and what’s the best in my scenario?
40. Transient / object cache maximum key length [duplicate]
41. Speed up WordPress
42. wp-super-cache exclude file from caching
43. APC object caching in combination Batcache/memcached page caching?
44. Should the page cache be refreshed often? [closed]
45. WordPress caching in development
46. Plugin a specific cache functionality?
47. What is difference between ‘Page Cache’ and ‘Object Cache’ in WordPress?
48. W3 total Cache – Site with query strings
49. Possible to configure nginx to ignore cache for logged in users in certain roles only?
50. Check if a user is connected and get is ID without fully loading wordpress
51. Should I enable FastCGI on WordPress?
52. Programmatically insert hierarchical terms & set terms for post causes glitch? [duplicate]
53. Will caching WordPress affect session variables, custom filed updates and displaying images from a non wordpress table?
54. Getting soft 404 errors (200 status) when caching plugins are enabled
55. How to totally disable cache in WordPress?
56. Automatically enabled caching in some hosting companies w/o visible plugin (Must use plugin)
57. Database Cache and Object Cache Difference?
58. Register script version not showing
59. How to purge all transient caches?
60. W3 Total Cache plugin integration
61. When use a cache system with WordPress
62. server load. $_SERVER[‘REMOTE_ADDR’] and $_SERVER[‘HTTP_HOST’] [closed]
63. Optimizing Jetpack for WordPress [closed]
64. Is it possible to save an entire piece of rendered HTML in a transient?
65. Execute a piece of code also when the cached version of a page is served
66. Method to make definitively static an abandoned WP blog
67. How do I fetch feed info from cache instead of directly from feed?
68. pass-protected pages and posts not protected after enter them 1 time
69. Can a WordPress blog be entirely hosted on a CDN if cached?
70. Static HTML page caching for large website [closed]
71. To have WordPress interact with memcached it must be installed as a PHP extension?
72. Transients are not expiring as expected in simple custom plugin
73. WordPress caching issue
74. Prevent installation of style.css cookies and file caching
75. How can I revert to showing cached pages when no database connection is available? [closed]
76. WP Super Cache Bug with Ubermenu
77. How to speed up my site [duplicate]
78. Problem with caching, W3TC [closed]
79. Headway body classes and W3TC page cache conflict [closed]
80. Reasonable Size Limit to options entry
81. Is the object cached?
82. How to find time last viewed?
83. How can I cache the LearnDash quizzes on my server?
84. WP Rocket Cache Lifespan – Never clear cache? [closed]
85. Disable feed cache for custom RSS feed?
86. How do I enable dynamic content in a theme cached with WP Super Cache?
87. How to cache a different page version based on HTTP header?
88. WP_Object_Cache for heavy WP_Query
89. How to store or cache custom shopping cart data for every user’s session
90. Live website is not showing the changes I’ve made [closed]
91. How to decode wordpress transient cache stored in database?
92. Hook an action when a transient is deleted ? Can’t get it to work!
93. WordPress PHP 5.5 and OPcache
94. Batcache messages no longer in page source
95. After having installed APC Object Cache Backend transients stopped working
96. Accelerate and clean up WordPress [closed]
97. How to make page/post password protected so you must reenter everytime you visit the page?
98. Fixed version number for cached stylesheets and javascript
99. WebHostingBuzz cache statement
100. Are get_bloginfo queries cached to start, or should they be cached?