13 choses à faire impérativement avant de modifier un thème WordPress

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1. ArParvez

   hey, iam using supernews theme by acmethemes. its good but i cant find page option it only show older post to go next page. i have used wp pagenavi plugin but it same. it dont show pages number. pls give me a solution, or tell about a good newspaper theme

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2. Enka Wardana

   thanks for a good news!!!

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3. William

   I changed themes and there seems to be some code from my previous theme in some of my posts on the new theme. Is there a way to delete or suppress all of the previous theme editor codes across the board or do they have to be done manually?

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   • WPBeginner Support

     If by code you mean shortcodes, then yes you can hide them. See our guide on how to find and remove unused shortcodes from WordPress posts

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     Administrateur

4. Michael Echekoba

   Hi WPBeginner Support
   I have just updated my theme and failed all the rules you suggested.

   Everything seem to work but I can only view coming soon pages on other computer.

   What do I need to twick?

   Michael

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5. Michael Echekoba

   Hi
   I have just updated my theme and failed all the rules you suggested.

   Everything seem to work but I can only view coming soon pages on other computer.

   What do I need to twick?

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   • WPBeginner Support

     Seems like you fixed it yourself.

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     Administrateur

6. Laurie

   I was getting the 500 error message. Your advice on removing plugins and slowly adding them back was a great help. I have used those plugins for a long time but maybe they do not like my new theme. Thanks for the help.

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   • WPBeginner Support

     Glad you found it helpful

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     Administrateur

     • DAWOOD

       WPB Support,

       How to remove plugins as I have 500 error message and cannot customize WordPress.

       Thanks

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       • WPBeginner Support

         Hi Dawood,

         Please see our guide on how to deactivate all WordPress plugins via FTP.

7. Tzachi

   Hi there

   First of all, great post.

   I’m looking for a theme that can support 2 writers, do you know a theme that can give this use?

   Thanks
   Tzachi – His side her side

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   • WPBeginner Support

     All good WordPress themes support multiple authors.

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     Administrateur

8. Jaswinder

   I am using Spacious free theme for my Niche Blog-Ease Bedding. But now I am planning to change theme to pro.

   Is it going to effect my site or not?

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9. Ahmed LAHMAR

   Thank you for sharing those valuable tips with us. Migration from a wordpress theme to another is not as easy as one might think espcially when it comes to complicated themes that require certain skills.

   It took me one week to migrate to my current theme and those are the steps i followed:
   1- backing up database and files (wp-content folder).
   2- importing the database and the files to a localhost to explore the new theme.
   3- restoring backup after making necessary changes to the server.

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10. Duan Le

    Very helpful for me, I am preparing to change new theme. Thanks!

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11. Sarah

    Hi,

    I am considering temporarily changing theme as my theme (free theme Virtue) for whatever reason doesn’t give access to the header or footers and I need to add some code to have my site verified. I have tried everything – also uploading the file using filezilla and that was also rejected! I would rather not change theme if I can avoid it as I like a lot about Virtue – but can you tell me what the effects of changing theme temporarily and then changing it back – (of course, I would back everything up) but would it cause an issue for the site to change, put in the code – get verified and then change back – or would I find a lot of things changed when I get back!?!?

    Thanks,

    Sarah

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    • WPBeginner Support

      Instead of switching themes you can try using Insert Headers and Footers plugin. It allows you to add code to your site’s header without modifying your WordPress theme.

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      Administrateur

12. stephanev

    Hi, i cannot see the Theme that I activate. It shows another menu and layout. Is there a change to make, something to select or deselect on the Page section? widget? Menu?

    Thanks for the help

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13. rebekah

    i don’t get it can someone tell me some other way i am new to wordpress?

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14. Steve

    Great article. Thanks for list.
    I’m a total beginner in coding and Wordpress. My current Wordpress site (non-responsive and Genesis Prose theme) was done by a developer (no longer use him). I find that Genesis is too hard for me. Now I want to change the theme something that is easy for me to install and update without an experienced web developer, maybe like GeneratePress. If I change theme, will I lose all my Google search indexing that I’ve accumulated over the years?
    Thank you again.

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    • WPBeginner Support

      Switching to any standard compliant WordPress theme should not affect your search rankings. However make sure you follow the checklist above. You may also want to follow instructions in our tutorial on how to update a WordPress theme without losing customization.

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      Administrateur

15. Karen

    Hi Thanks for the article. I have a word press zerif-pro theme « shared on wix-theme. I have had alot of people tell me they can’t open my website on there iPhone and I am wondering if this is a server compatibility problem. I also have run into problems with not being able to carry out automated deliveries through my PayPal plugin on the site even though I have filled it all in correctly. I was told to take it out of the wix theme and buy it directly to possibly fix these issues. Have you heard anything like this before? Plus how would one take it out of wix theme and just pay for the premium site? I had some one from fiverr do it for me originally . Thanks for your time and your site!!

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16. barun

    Sir I am facing a problem with my self hosted WordPress site that I kept my website in maintenance mode for few weeks to change my theme…. My site is fully approved by Google adsense… But now after deactivating maintenance mode, my adsense ads are not showing… I thought it may take some time so placed the ad on side bar…. But after 2 days, it still not showing any ads…. I am a newbie to blogging so please help me out…

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    • WPBeginner Support

      Please refer to the troubleshooting section in Adsense support website. You may want to test if the Google Adsense bot can crawl your website. You may also want to check your site in webmaster tools to make sure that Google crawlers can crawl and index your website.

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      Administrateur

17. ahmet lika

    Hello,i costumized my theme i af posts and i putted the ad code in my header,then i clicked get starting on godaddy settings,i pressed personal website and then i choosed a theme there,then it shows « your websitr is under construction » then all my posts were gone and i think my ad code is gone too,what ca i do?

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    • WPBeginner Support

      Please contact godaddy support.

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      Administrateur

18. vicky

    hey bro i just changed my theme from (SETRA) to (SCHEMA) why did i lost my visitors? there were 550 to 650 regular but now i jxt have 160 visitors?? plz help how do i go back and bring my visitors?

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19. Srimoyi Kundu

    I really love this website. It offers so much helpful guide for anyone working in wordpress. I never used anything such as maintenance mode, I am going to use it now onwards. Thanks

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    • Nadya

      I cannot agree more. The site is extremely useful.
      Thank you very much!

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    • Logan Cale

      You can do this using the htaccess file, and customize it with a simple webpage/background image.

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20. WPBeginner Staff

    First make sure to backup your complete WordPress site. Then switch your WordPress theme and see how it affects you. If your specific image size is lost then you can add it to your new theme.

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21. Maria

    Great article! I’m thinking to change my theme but I have a a question: What happens with my blog posts images if I change theme? Mine have a specific size at the moment. Should I change each of them?? Thanks!

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22. Husain Ahmmed

    Thanks It’s a great information

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23. Madhav

    Hi,
    My biggest concern is losing the Yoast SEO data after migrating to a new theme. Since the interface in the new theme is going to be so very different than my current theme, I think I’ll have to manually re-publish my pages in the new theme keeping in mind that the new pages retain their old « SEO Title » and « Meta Description ».
    Whats your take on it??

    Thanks a lot!!!

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24. Prem

    Hi I have changed the my website theme 2 days back.. My theme is not getting loded properly when i search from Internet.. But when i login to wordpress and see everything is looking fine.. how to resolve this isue

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25. Tor Ivan Boine

    nice checklist.
    But, what should I do so I dont loose the facebook and google+ likes and plusses? Is it enough to copy the code i wrote in the header?

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26. Julie Parker

    Hello,
    We are currently using Classifier on our community based site and after a trial run are considering switching to FacePress…any idea how time intensive this switch could be? And would it require a shut down of the current site for longer than your suggested 20-30 minutes to implement the change?

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    • WPBeginner Support

      We would recommend creating an staging environment on your localserver first. Once you know what needs changing you can export those settings (Depends if the theme has theme settings export/import feature) or make a list of changes to implement. The actual time may vary. Each site is different and you may come across an issue that would require more time in fixing.

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      Administrateur

27. Imran Faisal

    I am beginner and I have already install WORDPRESS using XAMPP/localhost. Now I have a question about wordpress Footer…. If i change the copyright section or powered by section of any WORDPRESS theme. Is that OK ?

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    • WPBeginner Support

      Yes, it is OK to remove them.

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      Administrateur

28. abdulazizansari18

    Really Fantastic Post,

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29. Maddy

    Hi,
    I have just registered with hostgator and have changed my theme to Hiero. However, I can see the changed theme only when logged in as admin. Otherwise, its just the old Twenty Twelve theme.
    Please advise
    Thanks!!

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    • WPBeginner Support

      You probably have a caching plugin like « WP Super Cache » or « W3 Total Cache » installed on your website. If this is the case, then you will need to disable the caching plugin and then visit your website. You can reactivate the plugin later.

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      Administrateur

30. Tali

    Hi,

    I am wanting to change from the Modernise template that has a child theme to the Advocate template. Is this as simple as just changing the template? Do I have to disable the child theme? Create new child theme? All I really want to retain is all the content, and a couple forms. Any help appreciated!!

    Many thanks!!

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    • WPBeginner Support

      Changing themes is not supposed to affect your site or plugin’s data. So you can switch among themes and see if you like another one better. If you don’t, then you can always revert back. However, whenever you are making the switch make sure you have backed up your WordPress site.

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      Administrateur

31. femi iyaomolere

    I really love this forum. I am new to wordpress and I need mentors to look up to. I am working on a theme called corpo from wordpress.org. I have almost finish the project then I started having issues like. When I paste content and save or update it won’t appear in the font end. Then recently some when I click on some of the pages it will bring up. 404 msg that the page cannot be found.
    Is it a hosting problem or theme problem

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    • WPBeginner Support

      To find out if its a theme problem, try switching to a default theme like twenty thirteen or twenty twelve and see if you can reproduce the problem.

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      Administrateur

32. Kara

    Hi,
    I just found your article which came at a great time because I’m thinking about switching from WP Twenty Twelve to a Genesis Theme. But I’d like to know whether my posts that I already have on my blog will be automatically updated when I make the switch. Or, do I have to manually update and publish each post when the new Genesis theme is installed?
    Thanks,
    Kara

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    • WPBeginner Support

      Switching a theme does not affect your posts in any way. When you will switch theme WordPress will automatically display your posts with the new theme. In case if you don’t like your new theme, you can always deactivate it and reactivate your old theme.

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      Administrateur

33. Nargis

    I am NARGIS,
    I’m trying to learn something about WORDPRESS –
    After WordPress installation I have successfully INSTALLED THEME ZIP file that (NOT IN FREE SITE) in an own hosted site,
    but some of the contents, such as original MENU / original IMAGES / original IMAGE SLIDER are not showing in any browsers!
    Where is my fault/mistake …! Or do I need to do some work …!
    I wanted to show WordPress theme originally that it’s look a like.
    If you do have suggestions or tutorial from that I will be helpful !

    Regards;
    NARGIS

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    • WPBeginner Support

      Sometimes premium themes display images and sliders in their demo which are actually not included in your theme. You have installed your theme correctly. Please contact the theme developer for support.

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      Administrateur

34. Bel

    Hello there,

    I am so glad that I found your blog. I am new to wordpress.org and I’ve never used their software before. Although I am a bit familiar with blogspot.com but since joining wordpress it’s a big transition.

    I have just hosted my sites with hostgator and I really like their customer support and the cPanel.

    Anyway, my main questions are the following:

    1) I am about to start building my blog on wordpress but because this will be a long term investment and I wasn’t sure whether to select one of the free wordpress themes that allows me to customize once installing them or buying a wordpress paid theme. However, if I decide to change my theme in future (e.g: if my site becomes successful and if I’ll be able to monetize) I might want to change to a paid theme. Is this going to be a hassle changing from a free wordpress theme to a paid theme? If this can be done in future, do I have to backup all the time? My hostgator package will back up my sites everyday. Is it necessary for me to back up still on BackupBudy before installing to a new wordpress paid theme? Obviously, I don’t want to lose any of my contents.

    2) I am also worried about using the wordpress free theme because I’ve read everywhere that whenever wordpress updates its software the current free theme that people are using may not be compatible with the new wordpress update. However, I went to wordpress.org/freethemes there are quite a few reliable free themes that provides support and developers are also up to date with their themes to keep up with the compatibility with wordpress and therefore wordpress users are satisfied too.

    To conclude, would you suggest that I would use wordpress free theme for now (as I am still a beginner and still trying to build my site on wordpress) and change to a paid theme later once it becomes successful? Hostgator backs up my contents all the time, do I still need to backup before changing to a new theme? That’s all for now, thank you very much for providing these information. It’s very useful for newbies. I hope you can reply to my questions above as soon as you can.

    I am your new reader from now on and will be bookmarking your site.

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    • WPBeginner Support

      Bel, welcome to the WordPress community.

      1. Backup. Yes you should still backup your site. If you do not want to invest into BackupBuddy right now, then you can create a complete WordPress backup for free with BackWPup. However, BackupBuddy comes with premium support and we highly recommend it.

      2. Free themes can be very reliable too, themes in WordPress theme directory go through extensive testing before getting approved. Create a child theme to customize your WordPress theme so that when there is a new version for your theme available, you can update it without loosing your changes.

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      Administrateur

35. Blackie Swart

    Thank you for an excellent resource. I took the plunge and started building my site myself at the beginning of this month. You were an awesome help as I am not all that PC literate. I am now seriously considering changing my theme as my initial goal with the site has changed since getting a feel for word press. I suppose that ones goal should determine the choice of theme? Therefore asking for advice on cool themes may be a waste of my time? Should I rather concentrate on functionality than looks?

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    • Editorial Staff

      Functionality always trumps looks in our eyes. Yes asking for cool theme suggestions is a waste because beauty is in the eyes of beholder. Also you are the only person who knows exactly what you want in terms of functionality.

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      Administrateur

36. Oğuzhan İsa Temiz

    Thanks nice article :).

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37. Scott Webster

    I recently changed my theme and didn’t take note on my google analytics code. So now every time I look into my analytics it comes up with a flat line on zero. What can I do to retrieve my old code?

    Thanks
    Scott

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    • Editorial Staff

      Login to your Google Analytics and get the code from there.

      https://www.wpbeginner.com/beginners-guide/how-to-install-google-analytics-in-wordpress/

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      Administrateur

38. Dice

    I am hoping to change my theme to ‘Made’ theme this Weekend.

    This article is really good. I hadn’t considered many of the issues you have raised.

    Thank you for coming up with such a useful guide.

    Many thanks.

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    • Editorial Staff

      You are very welcome

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      Administrateur

39. David Price

    Currently going through a Wordpress one-on-one bootcamp with a seasoned WP developer. I’ve hit three of his WP-Black-Holes and « Changing Themes is Easy » is the third one. Changing themes is easy if you have a simple theme with minimal customization BY THE DEVELOPER. If a theme has 8 custom admin areas for sliders, additional menus, special content areas within the post area or sidebar, etc, and you switch themes to something you think « looks nice » you are in for a nightmare. DEFINITELY not « just a few clicks. » « Changing Themes is Easy » is a total myth. Just read this article and ask yourself, « Does it sound like just a few clicks? » Really?

    Wordpress would be better if there were more honesty from the development community about the realities of using it as a CMS. Still a great checklist for what to watch for when changing themes.

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    • Editorial Staff

      Any developer that tells you that changing themes is easy is probably NEW or do not understand the reality themselves. Blaming the entire community based on your experience with a few is not fair. We created this article for this vary reason.

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      Administrateur

40. Divyansh

    Great read!
    One more thing to keep in mind is to check the behaviour of theme by testing it locally using something like wamp server, to be sure that the end product is user friendly

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41. Carmen

    I just downloaded a new theme, but can’t install unless it is a zip file. How do I do this. I tried by selecting all and compressing, but nada. thanks.

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    • Editorial Staff

      Use FTP to upload it.

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      Administrateur

      • Carmen

        thank you – just saw this response.

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42. Anurag Rathod

    A nightmare has happened to me when I changed my popular theme to a new theme.
    Most of my nice sidebar widgets are gone forever and I have to again create them.

    Still I am missing lot of them.

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    • Editorial Staff

      Yes if you are using a theme that registers its own custom widgets, then you will lose them upon switching. There is no way around that.

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      Administrateur

43. jamielee841

    Can you elaborate more on the RSS portion of this? I redirected everything..so I thought..but I went from 1500 subscribers to 500ish. Initially it went down to 47 but then I used a feedsmith plugin and it went up to 500. I’m at a loss for what to do and could use some help!

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    • wpbeginner

       @jamielee841 You have to make sure /feed/ of your domain name is pointing to the feedburner feed. Other than that, not sure why u r losing subscribers.

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44. Harry

    Really helpful suggestions! Some of them I really overlooked. I use Lubith in order to design and change my wordpress themes so most of the compatibility problems I haven’t yet encountered. It’s a very flexible and intuitive editor, you work directly in the browser which means you can test immediately the compatibility between the editor and your WP site or between your theme and your browser and you can quickly make the required modifications.

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45. designbuddy

    Thanks for the checklist…will prove helpful tomorrow when I change my theme. I am a bit concerned that old files from my older themes will linger when simply changing themes. Does anyone know if this happens or does switching themes wipe everything clean? I just want to make sure I’m starting with a clean plate.

    Also, you mentioned « Wordpress SEO » by Yoast. Is that better in your opinion than « All in One » or « Platinum SEO »? Thanks for any response.

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    • wpbeginner

      @designbuddy Yes we believe WordPress SEO to be a more complete solution.

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      • designbuddy

        @wpbeginner Ah, thanks, good to know.

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46. ChristopherAnderton

    Just one word of advice on using some of the Maintenance plug-ins. Some of them (be sure to check out WordPress forum feedback) tend to bog down servers, resulting in unreachable WP Admin, and in the worst case scenario have your host shut down the account or charge you extra.

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47. BGR

    i read somewhere that theme change kills google rank. If installed correctly like from twenty eleven to thesis, and GA code intact, should there be any penalty for changing a theme?

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48. codesignllc

    @GraphPaperPress that IS a good #wordpress checklist.

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49. Liz Bismore

    Wow is THIS helpful! I’m getting ready to change themes on my new blog already! It took actually using WP for a few weeks before I knew what I was looking for in a theme and now I see that I need to plan wisely before switching. Thanks!

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50. Jal

    Can you keep those images a little smaller.. or at best not use them at all. Doesn’t really serve much purpose.

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    • wpbeginner

      @Jal Images are eye candy… when you read sites that doesn’t have them in longer articles, it looks dead. Just trying to keep the article lively.

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