WordPress MythsSome of the common misconceptions about WordPress
Speed
Speed• Too many plugins slow your site
Speed• Too many plugins slow your site• Inactive plugins slow your site
Speed• Too many plugins slow your site• Inactive plugins slow your site• Inactive themes slow your site
Speed• Too many plugins slow your site• Inactive plugins slow your site• Inactive themes slow your site• Revisions slow yo...
Too many plugins
Too many plugins• Some plugins are slow
Too many plugins• Some plugins are slow• Some plugins are fast
Too many plugins• Some plugins are slow• Some plugins are fast• Some plugins have no effect
Too many plugins• Some plugins are slow• Some plugins are fast• Some plugins have no effect• Some plugins speed up your site
Too Many Plugins?
Too Many Plugins?      It depends.
Inactive Plugins
Inactive Plugins• Myth: Inactive plugins have no effect on  your site speed
Inactive Plugins• Myth: Inactive plugins have no effect on  your site speed• You still need to keep them up to date for  s...
Inactive Themes
Inactive Themes• Myth: Inactive themes have no effect on  your site speed
Inactive Themes• Myth: Inactive themes have no effect on  your site speed• You still need to keep them up to date for  sec...
Too Many Revisions
Too Many Revisions• WordPress is clever enough to ignore  revisions on the front end
Too Many Revisions• WordPress is clever enough to ignore  revisions on the front end• MySQL is clever enough that a lot of...
Too Many Revisions• WordPress is clever enough to ignore  revisions on the front end• MySQL is clever enough that a lot of...
Emptying The Trash
Emptying The Trash• Too much trash slows down your site
Emptying The Trash• Too much trash slows down your site• Myth:As per revisions
Emptying The Trash• Too much trash slows down your site• Myth:As per revisions• Setting define(EMPTY_TRASH_DAYS, 10 );  wi...
Emptying The Trash• Too much trash slows down your site• Myth:As per revisions• Setting define(EMPTY_TRASH_DAYS, 10 );  wi...
WordPress Doesn’t Scale
WordPress Doesn’t Scale• WordPress.com - 35,000,000 sites!  http://wordpress.com/stats/  2.5 Billion page views per month
WordPress Doesn’t Scale• WordPress.com - 35,000,000 sites!  http://wordpress.com/stats/  2.5 Billion page views per month•...
WordPress Doesn’t Scale• WordPress.com - 35,000,000 sites!  http://wordpress.com/stats/  2.5 Billion page views per month•...
Only for Blogs
Only for Blogs•   Also: It’s only for amateurs and hobbyists
Only for Blogs•   Also: It’s only for amateurs and hobbyists•   Wall St Journal
Only for Blogs•   Also: It’s only for amateurs and hobbyists•   Wall St Journal•   CNN
Only for Blogs•   Also: It’s only for amateurs and hobbyists•   Wall St Journal•   CNN•   Number 10 Downing Street
Only for Blogs•   Also: It’s only for amateurs and hobbyists•   Wall St Journal•   CNN•   Number 10 Downing Street•   Dept...
Only for Blogs•   Also: It’s only for amateurs and hobbyists•   Wall St Journal•   CNN•   Number 10 Downing Street•   Dept...
Only for Blogs•   Also: It’s only for amateurs and hobbyists•   Wall St Journal•   CNN•   Number 10 Downing Street•   Dept...
WordPress is Insecure
WordPress is Insecure•   Myth: WordPress hasn’t has a major security    problems for at least a couple of years
WordPress is Insecure•   Myth: WordPress hasn’t has a major security    problems for at least a couple of years•   Automat...
WordPress is Insecure•   Myth: WordPress hasn’t has a major security    problems for at least a couple of years•   Automat...
WordPress is Insecure•   Myth: WordPress hasn’t has a major security    problems for at least a couple of years•   Automat...
WordPress is Insecure•   Myth: WordPress hasn’t has a major security    problems for at least a couple of years•   Automat...
Function Calls
Function Calls• Removing functions calls like  blog_info(‘blah’) saves a database call
Function Calls• Removing functions calls like  blog_info(‘blah’) saves a database call• Myth: Those options are cached.
Function Calls• Removing functions calls like  blog_info(‘blah’) saves a database call• Myth: Those options are cached.• R...
Questions Other myths?
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MWUG wp-myths

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Keynote presentation given to Manchester WordPress User Group

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  • MWUG wp-myths

    1. 1. WordPress MythsSome of the common misconceptions about WordPress
    2. 2. Speed
    3. 3. Speed• Too many plugins slow your site
    4. 4. Speed• Too many plugins slow your site• Inactive plugins slow your site
    5. 5. Speed• Too many plugins slow your site• Inactive plugins slow your site• Inactive themes slow your site
    6. 6. Speed• Too many plugins slow your site• Inactive plugins slow your site• Inactive themes slow your site• Revisions slow your site
    7. 7. Too many plugins
    8. 8. Too many plugins• Some plugins are slow
    9. 9. Too many plugins• Some plugins are slow• Some plugins are fast
    10. 10. Too many plugins• Some plugins are slow• Some plugins are fast• Some plugins have no effect
    11. 11. Too many plugins• Some plugins are slow• Some plugins are fast• Some plugins have no effect• Some plugins speed up your site
    12. 12. Too Many Plugins?
    13. 13. Too Many Plugins? It depends.
    14. 14. Inactive Plugins
    15. 15. Inactive Plugins• Myth: Inactive plugins have no effect on your site speed
    16. 16. Inactive Plugins• Myth: Inactive plugins have no effect on your site speed• You still need to keep them up to date for security
    17. 17. Inactive Themes
    18. 18. Inactive Themes• Myth: Inactive themes have no effect on your site speed
    19. 19. Inactive Themes• Myth: Inactive themes have no effect on your site speed• You still need to keep them up to date for security
    20. 20. Too Many Revisions
    21. 21. Too Many Revisions• WordPress is clever enough to ignore revisions on the front end
    22. 22. Too Many Revisions• WordPress is clever enough to ignore revisions on the front end• MySQL is clever enough that a lot of revisions make no difference to query speed
    23. 23. Too Many Revisions• WordPress is clever enough to ignore revisions on the front end• MySQL is clever enough that a lot of revisions make no difference to query speed• Myth: Revisions have no effect on your site speed
    24. 24. Emptying The Trash
    25. 25. Emptying The Trash• Too much trash slows down your site
    26. 26. Emptying The Trash• Too much trash slows down your site• Myth:As per revisions
    27. 27. Emptying The Trash• Too much trash slows down your site• Myth:As per revisions• Setting define(EMPTY_TRASH_DAYS, 10 ); will delete all your trash posts after 10 days.
    28. 28. Emptying The Trash• Too much trash slows down your site• Myth:As per revisions• Setting define(EMPTY_TRASH_DAYS, 10 ); will delete all your trash posts after 10 days.• Myth: It will delete 10 day old trash every day.
    29. 29. WordPress Doesn’t Scale
    30. 30. WordPress Doesn’t Scale• WordPress.com - 35,000,000 sites! http://wordpress.com/stats/ 2.5 Billion page views per month
    31. 31. WordPress Doesn’t Scale• WordPress.com - 35,000,000 sites! http://wordpress.com/stats/ 2.5 Billion page views per month• Edublogs.com - 500,000 blogs 8,000,000 page views per month http://z1.tl/10c
    32. 32. WordPress Doesn’t Scale• WordPress.com - 35,000,000 sites! http://wordpress.com/stats/ 2.5 Billion page views per month• Edublogs.com - 500,000 blogs 8,000,000 page views per month http://z1.tl/10c• Myth: WordPress scales massively
    33. 33. Only for Blogs
    34. 34. Only for Blogs• Also: It’s only for amateurs and hobbyists
    35. 35. Only for Blogs• Also: It’s only for amateurs and hobbyists• Wall St Journal
    36. 36. Only for Blogs• Also: It’s only for amateurs and hobbyists• Wall St Journal• CNN
    37. 37. Only for Blogs• Also: It’s only for amateurs and hobbyists• Wall St Journal• CNN• Number 10 Downing Street
    38. 38. Only for Blogs• Also: It’s only for amateurs and hobbyists• Wall St Journal• CNN• Number 10 Downing Street• Dept of Health
    39. 39. Only for Blogs• Also: It’s only for amateurs and hobbyists• Wall St Journal• CNN• Number 10 Downing Street• Dept of Health• Ford Motor Company
    40. 40. Only for Blogs• Also: It’s only for amateurs and hobbyists• Wall St Journal• CNN• Number 10 Downing Street• Dept of Health• Ford Motor Company• Myth: It’s not just blogs, and it’s not just for amateurs
    41. 41. WordPress is Insecure
    42. 42. WordPress is Insecure• Myth: WordPress hasn’t has a major security problems for at least a couple of years
    43. 43. WordPress is Insecure• Myth: WordPress hasn’t has a major security problems for at least a couple of years• Automattic employ more than one security specialist.
    44. 44. WordPress is Insecure• Myth: WordPress hasn’t has a major security problems for at least a couple of years• Automattic employ more than one security specialist.• But you do need to take the proper precautions
    45. 45. WordPress is Insecure• Myth: WordPress hasn’t has a major security problems for at least a couple of years• Automattic employ more than one security specialist.• But you do need to take the proper precautions• Plugins and themes can be insecure
    46. 46. WordPress is Insecure• Myth: WordPress hasn’t has a major security problems for at least a couple of years• Automattic employ more than one security specialist.• But you do need to take the proper precautions• Plugins and themes can be insecure• Sometimes the hosting company is the problem
    47. 47. Function Calls
    48. 48. Function Calls• Removing functions calls like blog_info(‘blah’) saves a database call
    49. 49. Function Calls• Removing functions calls like blog_info(‘blah’) saves a database call• Myth: Those options are cached.
    50. 50. Function Calls• Removing functions calls like blog_info(‘blah’) saves a database call• Myth: Those options are cached.• Removing them prevents plugins doing clever things.
    51. 51. Questions Other myths?

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