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Glossary of Terms

We have compiled this list of terms and definitions to help you better understand the terminology used within the web development community.

SEO Glossary

There are 4 entries in this glossary.
Search for glossary terms (regular expression allowed)

Redirects

Redirects forward visitors and search bots from one URL to another, commonly used during site migrations or content restructuring. Too many redirect hops add loading delay and waste crawl budget. Keep redirect chains short and intentional for the best performance and SEO results.
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Synonyms - URL Redirect, 301/302 Redirect, Forwarding

Render-Blocking Resources

Render-Blocking Resources are files, usually CSS and JavaScript, that prevent the browser from displaying anything until they finish downloading. The more render-blocking files you have, the longer visitors stare at a blank screen. Deferring or inlining critical resources helps content appear sooner.
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Synonyms - Blocking CSS/JS, Critical Path Resources

Resource Summary

Resource Summary is an overview of everything a page loads, including scripts, stylesheets, images, fonts, and other assets, along with their sizes and impact. It helps you spot bloat and prioritize what to optimize first. Tracking these totals over time catches performance regressions early.
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Synonyms - Asset Inventory, Page Resources

robots.txt

A robots.txt file lives in the root of your website and tells search engine crawlers which parts of the site they can access and which they should skip. It is one of the most basic SEO tools for managing how bots interact with your content. Getting it wrong can accidentally block important pages.
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Synonyms - Robots File, Crawl Directives

What Does "Liquid Purple" mean?

noun | / LIK-wid PUR-pul /

  1. (biochemistry) Also known as visual purple or rhodopsin — a light-sensitive receptor protein found in the rods of the retina. It enables vision in dim light by transforming invisible darkness into visible form. Derived from the Greek rhódon (rose) and ópsis (sight), its name reflects its delicate pink hue and vital role in perception.

  2. (modern usage) Liquid Purple — a digital marketing agency specializing in uncovering unseen opportunities and illuminating brands hidden in the digital dark. Much like its biological namesake, Liquid Purple transforms faint signals into clear visibility — revealing what others overlook and bringing businesses into the light.

Origin: From the scientific term rhodopsin, discovered by Franz Christian Boll in 1876; adopted metaphorically by a marketing firm dedicated to visual clarity in the age of algorithms.

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Rooted in Southern California, Serving the World.
For over 20 years, Liquid Purple has been headquartered in the heart of Southern California, serving clients across Irvine, Newport Beach, Anaheim, and the greater Los Angeles area. While we are proud of our local roots, our digital reach extends far beyond our local area. We support businesses in major hubs like Denver, Dallas, New York, and Miami, as well as international clients. Our ability to operate across time zones means you can often wake up to completed tasks and progress updates—keeping your business moving while you sleep.