Author Archives: OS Experts

Back to Basics – A purpose of a website

What is a webpage for? (What’s the goal of having a webpage?) With this article, I would like to start a cycle called Back to Basics. Its purpose it to make us think about things we take for granted in web design for business, but that sometimes are just plain myths, and in other cases those things are not so obvious as we might think. In this cycle we will basically cover the following topic: what makes a website a successful website. What are the Continue reading →

Opencart 1.5 File too big error – fix

Max file size you can upload in OpenCart 1.5 admin is 300Kb. But sometimes you need to upload bigger images. What then? If you get this message while trying to upload images / files then it’s time to make some changes. “Warning: File too big please keep below 300Kb and no more than 1000px height or width” The fix for that is really easy and doesn’t require a lot of changes to be made. To edit manually, follow the instructions below (in TUTORIAL chapter) If Continue reading →

A follow up on Google mobile friendly ranking change

Here is a follow-up on Google new mobile-friendly algorithm that will roll out on April 21. Few days a go (on Wednesday, March 24) Google hosted a hangout on their official Google webmasters page. Google shed some light or better said clarified some points about new algorithm’s implementation planned on April 21. First of all, they confirmed that the update will affect all languages, but the changes won’t be global immediately. To update all languages it will take a few days to a week. Google Continue reading →

Get ready for April 21, 2015
Google mobile “doomsday” is coming

A couple of weeks ago Google announced that on 21st of April it will upgrade its algorithm to consider mobile-readiness when ranking website position in search results. In other words, starting from April 21, 2015, websites that are not adapted to mobile devices will drop in search results. What is this Google algorithm anyway? Google search engine algorithm is a program that decides how high a web page should be shown in the search results for a given keyword. Establishing accurately if the web page Continue reading →

Opencart – fixing “Notice: Error: RCPT TO not accepted from server!” (VQMOD)

This is a patch to fix problems with sending contact form in Opencart 1.5 and 2.0. If you get the following (or similar) message: Notice: Error: RCPT TO not accepted from server! in system/library/mail.php on line 308 in your Opencart installation, be it v 1.5.x or 2.0.x, then probably your email provider has SPF policy (Sender Policy Framework) verifying the so-called FROM address. This is a good thing, it means that your email provider has a properly configured server that protects from spam messages and Continue reading →

Mobile design and Google search results

Being mobile ready can affect positively your SEO The mobile web market is growing amazingly fast and website owners try to go ahead and adapt their sites for mobile users. But in the near future being mobile reday won’t mean being ahead, it will be simply essential for your web presence. Well, in fact it is already happening, you don’t have to wait for the future. Mostly because you need to be able to serve new customers, but there is also another aspect of being Continue reading →

Opencart – How to hide or style Totals

How to hide or style Totals in cart popup and checkout cart view – a tutorial for OpenCart 2.0 At some point you might want to change how the totals are displayed across different sites in Opencart. For example, it is a good practice to make popup cart as simple as possible. For that, we would like to hide all the subtotal and tax fields. What you need there is just total of your cart. You cannot switch totals in the admin because they are Continue reading →

Opencart – fixing “Notice: Error: RCPT TO not accepted from server!” (tutorial)

This is a patch to fix problems with sending contact form in Opencart 1.5 and 2.0. If you get the following message: Notice: Error: RCPT TO not accepted from server! in system/library/mail.php on line 308 in your Opencart installation, be it v 1.5.x or 2.0.x, then probably your email provider has SPF policy (Sender Policy Framework) verifying the so-called FROM address. This is a good thing, it means that your email provider has a properly configured server that protects from spam messages and other improper Continue reading →

Responsive design optimization

Is my site really mobile ready? Amidst all this technological turmoil, many people tend to think, “well, I have my responsive web page finished, so I guess I am mobile ready?” Well, probably not yet. The thing is, most designers forget about one “small” detail – performance. Usually, the biggest flaw of responsive design is its speed. Here goes an attempt to explain this aspect without entering too much into tech details. In responsive design, you scale elements (including images) on browser screen to match Continue reading →

Mobile ready webdesign

Do I really need a mobile ready web page? And what does it really mean? Lately there has been a lot of fuss about mobile friendly/mobile ready web pages, mobile internet usage and similar stuff. Why is that the case and should we even care? To put it simply, mobile and tablet users are growing in numbers rapidly, very rapidly. And this growth implies changes, as mobile users see and browse pages differently than desktop users do (and tablet users do it in a different Continue reading →