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Dion Designs

Detect a problem with a plugin

Detect a problem with a plugin

Posted: December 20th 2017, 11:03am
by celine
Detect a problem with a plugin

Hello

You explain this:
If you find that a plugin has compatibility issues with UsageDD, please let us know by posting a topic in our dedicated support area

Can you tell me how do I detect that a plug-in has UsageDD compatibility issues?

A big thank-you

Best regards

Detect a problem with a plugin

Posted: December 20th 2017, 11:30am
by Dion
If you think there might be some sort of compatibility issue, please post some details about your site and its code. Otherwise I am unable to answer your question.

Detect a problem with a plugin

Posted: January 7th 2018, 9:35am
by celine
Hello,

Thank you for your reply,
I explained myself badly.

USAGEDD can see if there are too many plugins installed and it can check if the theme is too heavy, is that it?

How can I check it, how do we do it?

Thank you in advance.

Yours truly.

Detect a problem with a plugin

Posted: January 7th 2018, 10:37am
by Dion
UsageDD is a tool to help you determine if there is a problem on your site. It can provide helpful information when you are trying to locate the problem. It does not, however, do any sort of debugging -- that's your job. ;)

Certain types of themes and plugins will be heavy. Any type of "page builder" theme (such as Divi) or plugin (such as Visual Composer) will be heavy. Wordfence is extremely hard on a server in its default configuration, as are most image gallery plugins. WooCommerce requires a dedicated server or large VPS to run without causing page load problems.

I hope this answers your question.

Detect a problem with a plugin

Posted: January 11th 2018, 12:27pm
by celine
Thank you very much for your answer :)

UsageDD via my home page on Chrome and Firefox show different results: where can the gap come from? what is the most reliable result in your opinion?

Anyway TTBF loading results are bad. The rest is okay. So I have to deduce that my theme is too heavy or that it is a plugin theme or outside the theme that is too heavy.

Either USAGEDD tells me the number of queries, the amount of memory and the TTFB and I have to draw conclusions and find the problem. It does not give any additional track to find the plugin that would be too heavy or the functionality of the theme that would be too heavy for the page (possibly)?

Via this message I can not send you a screenshot?

Also I did some download speed tests:

Test with Pingdom:
110 queries via Firefox / 84 queries via Chrome
Usage DD indicates 66 queries

PageSpeed Insights: 74/100 via Firefox - 70/100 Chrome

Thank you very much for your attention and your explanations.

Yours truly

Detect a problem with a plugin

Posted: January 11th 2018, 2:48pm
by Dion
It does not surprise me that Firefox loaded your site faster than Chrome (and also did a better job with rendering fonts). What is surprising, however, is the magnitude of the difference. It makes me wonder if the background WordPress CRON task was doing something "heavy" in your Chrome screenshot. When you check with Chrome, are the two UsageDD load times always that high, or do they eventually drop down to something closer to the numbers in the Firefox display?

When looking at your UsageDD numbers, the number of queries is fine, and the memory usage is acceptable if you are not using an opcode cache such as Zend OPcache. However, if an opcode cache is enabled, your 43MB memory usage is extremely high, and you should try to find out what is causing it. It could be the cause of the high TTFB number.

I agree that your TTFB number is high. What theme are you using, and which plugins do you have activated?

Detect a problem with a plugin

Posted: January 25th 2018, 11:36am
by celine
Hello,

Thank you very much for your reply and I am REALLY sorry to answer only now.

I redid some tests and I notice that the difference of loading of the 2 times of UseDD are always important:

USAGEDD - Homepage

Firefox
16 Q0.992s | 1.321s45.21 MB

Chrome
78 Q2.153s | 2.703s45.56 MB


Regarding the cache I installed W3 Total Cache and it is a gas plant. It must be wrongly set.

To answer your question, below the list of activated plugins (WP File Manager is installed but I do not use it, moreover I do not even remember to have it installed):

1. UsageDD
2. Akismet Anti-Spam
3. Contact Form 7
4. Envato WordPress Toolkit
5. Google Analytics for WordPress by MonsterInsights
6. Imagify
7. Read More Without Refresh
8. Redirection
9. SendinBlue Subscribe Form And WP SMTP
10. UpdraftPlus - Backup/Restore
11. W3 Total Cache
12. WP File Manager
13. WPBakery Visual Composer (Modified Version)
14. Yoast SEO

I bought a premium theme on forest theme.
This is The Ken (Artbees editor). It includes Visual composer.


What do you think of the PINGDOM tests below the results:

Pingdom via Firefox
- Performance grade : 73
- Load time : 11.17s
- Page size 1.2 MB
- Requests 110
- Faster than 12 % of tested sites
- Tested from MELBOURNE

Pingdom via Chrome
- Performance grade : 73
- Load time : 4,60 s
- Page size 1,3 MO
- Requests 111
- Faster than 34% of tested sites
- Tested from MELBOURNE

Thanks a lot for your help!

Best regards.

Detect a problem with a plugin

Posted: January 26th 2018, 12:00am
by Dion
W3 Total Cache is an old plugin that seems to cause more problems that it solves. I neither use nor recommend it.

Looking at your list of plugins, the one that stands out is Visual Composer. Sites that use this plugin are going to have slow page load times -- it's what you give up in order to easily create posts/pages.

Updraft Plus can also slow down a site, particularly if it contains a large number of images/media. I don't know what "Envato WordPress Toolkit" contains, but most everything WordPress-related I've tried from CodeCanyon and Themeforest has been bloated, so that may be an issue. Finally, Akismet can slow a site to a crawl depending on its options.

I hope this information is of some help.

Detect a problem with a plugin

Posted: February 4th 2018, 8:49am
by celine
Hello,

Thank you very much for your answer, yes it is very useful to me.

I looked a little more precisely about "Envato WordPress Toolkit". Description : WordPress toolkit for Envato Marketplace hosted items. Currently supports the following theme functionality: install, upgrade, & backups during upgrade.

I suspected Visual Composer had to slow down my site. I can not really interpret what you mean when you write “it's what you give up in order to easily create posts/pages.”

I'm going to make a new site with DIVI that uses Visual Page Builder, do you know if it's lighter than Visual Composer?
I will host the site with WP Server which guarantees speed performance of the site.
https://www.wpserveur.net

A BIG THANK-YOU !

Detect a problem with a plugin

Posted: February 4th 2018, 10:13am
by Dion
celine said:
I can not really interpret what you mean when you write “it's what you give up in order to easily create posts/pages.”

What I mean is that you don't get something for nothing. Making it easier for you to create pages will always result in your pages loading more slowly. You must decide whether the benefit to you is worth the loss to those who will view your site.

Divi is the "heaviest" theme I have ever encountered. Unless your new hosting is better/faster than your old hosting, my guess is that your pages will load slower than they did previously.