It depends. If you have a caching plugin installed then a page that is not visited often might not be cached for a while, or the cache could expire between visits. In that case the next visit would require the cached page to be regenerated, which will be much slower than loaded the cached version. … Read more
This is a rule of thumb I learned long time ago, in a totally different field of software development – “Every new release will slow the features affected by it by 10%” Of course that was in the days when there were years between release and the figure of 10% was probably pulled straight from … Read more
I am thinking about leveraging the wp_cron and transients. You can create a helper function which will do the heavy lifting and do all the queries you need, but schedule it to be done like every 12 hours – twice daily (or more, depending on the frequency of new posts) using wp_cron API. Basically, this … Read more
The recommended method for embedding iframes is using the <iframe> tag. It makes for better syntax and also allows you to control the iframe much better. For example, you are able to remove an iframe’s border, control scrolling options, etc. <iframe src=”https://jsfiddle.net/o7usdL0a/embed/result/” style=”width: 100%; height: 300px” scrolling=”no” marginwidth=”0″ marginheight=”0″ frameborder=”0″> </iframe> The <script async> and … Read more
How to cache a different page version based on HTTP header?
This happens due to the nature of ajax calls – they are asynchronous. When you have a lengthy function (or heavy plugins and slow site loading), several ajax calls are running at the same time, and nobody can predict, which one will get access to db data faster. Usage of own tables is not a … Read more
I believe you can fetch that data using setup_postdata() which lets you access all the data relating to a post and use it with standard template tags (in your case, the_post_thumbnail). There is a great tutorial here: https://wpshout.com/setup_postdata-template-tags-need-custom-wp_post-arrays-crave/ Important to note that you first have to setup the global $post and you have to be … Read more
Slow page loads due to WordPress Core Query
Custom Post Type + ACF and performance [closed]
Pages and posts are identical in performance at first, as they are loaded from the same table: wp_posts. However if the theme is including in the render for the page widgets or meta or taxonomies, they could vary greatly on performance, but a priori can’t be affirmed one or other is more performant. It is … Read more