Resources
Practical marketing guides, with sources.
Pricing guides, how-tos and free tools for small teams. Every article lists its sources and the date it was last checked.

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Effeect team · updated Oct 2026

Blog
5 min read
When working with web development or programming in general, there are often times when you need to generate random colors. For dynamic user interfaces or simple experiments with graphics, it helps to know how to generate random colors in JavaScript…

Blog
4 min read
When working on a design project, it is important to ensure that your colors look consistent across different mediums. Understanding how to convert hex colors to Pantone is key to achieving this. Hex codes are primarily used in digital formats,…

Blog
6 min read
Have you ever asked yourself, "What is a Google Preview Tool, and how can it help me preview Google ads?" If so, you're in the right place. The Google Preview Tool, also known as the Google Ad Preview and Diagnosis…

Blog
7 min read
When managing a website, monitoring your HTTP status codes is important. These codes help you understand how your web pages are performing and if your visitors are encountering issues. HTTP status codes are responses from a server to a client's…

Blog
6 min read
Converting from RGB to CMYK without losing color is vital for anyone looking to replicate their digital designs in print form accurately. While RGB is perfect for digital displays with its broad color spectrum, CMYK’s narrower range can cause discrepancies…

Blog
7 min read
Knowing how to adjust the browser size helps you multitask, test a website’s responsiveness, or fit more on your screen. This comprehensive guide will walk you through various methods on how to change browser size across different devices and browsers.…

Blog
7 min read
Opening multiple URLs one by one from an Excel file can be time-consuming, especially if you are dealing with a long list. Luckily, there are several ways to simplify this process, saving you time and effort. In this guide, we…

Blog
8 min read
Today, knowing the history of a website is essential. Knowing how to check when a website was created is useful for entrepreneurs assessing investments, marketers gauging competition, and anyone curious about a website’s origins. This guide will walk you through…

SEO
11 min read
Link building is one of the most important parts of search engine optimization (SEO). It helps you establish your website’s credibility, improves search engine rankings, and drives traffic. But, how do you do link building for a website effectively? This…
Free marketing tools
57 tools for budgets, UTM links, SERP previews, colour contrast and more.
Marketing glossary
96 plain-English definitions, from ad rank to zero-click searches.
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