# Could you could assist me in determining why my website opens so slowly and why the Facebook sharing debugger returns an error?

**URL:** <https://forum.infinityfree.com/t/could-you-could-assist-me-in-determining-why-my-website-opens-so-slowly-and-why-the-facebook-sharing-debugger-returns-an-error/59309>\
**Category:** Hosting Support\
**Created:** [March 17, 2022, 8:06pm UTC](https://forum.infinityfree.com/t/could-you-could-assist-me-in-determining-why-my-website-opens-so-slowly-and-why-the-facebook-sharing-debugger-returns-an-error/59309 "2022-03-17T20:06:50Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![wackyblackie](https://forum.infinityfree.com/user_avatar/forum.infinityfree.com/wackyblackie/32/43350_2.png) [@wackyblackie](https://forum.infinityfree.com/u/wackyblackie)\
**Post date:** [March 17, 2022, 8:10pm UTC](https://forum.infinityfree.com/t/could-you-could-assist-me-in-determining-why-my-website-opens-so-slowly-and-why-the-facebook-sharing-debugger-returns-an-error/59309/2 "2022-03-17T20:10:47Z")

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> [@HelMort](#):
>
> Can’t validate SSL Certificate. Either it is self-signed (which will cause browser warnings) or it is invalid.

This is most likely because we do not support CA chains here.

> [@HelMort](#):
>
> it’s opening quite slowly

Are you using Wordpress? That would most likely be wp-cron.php.

> [@HelMort](#):
>
> Facebook isn’t showing me the thumbnails for my website

That is the security system.

> [@Ensuring only web browsers can access your website](https://forum.infinityfree.com/t/ensuring-only-web-browsers-can-access-your-website/49353):
>
> InfinityFree is a website hosting service. That means that the hosting accounts we provided are intended for hosting websites. Websites contain pages that are accessed through web browsers. InfinityFree is not intended to be used for file sharing, API hosting, database hosting or background tasks/tools. To help enforce this, free hosting enforces a security system that makes sure that anyone trying to access your website is using a normal web browser. This is done by checking whether the web br…

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