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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 5 entries in this glossary.
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Page Authority

Page Authority is a score developed by Moz that predicts how well a specific page will rank in search engine results. It ranges from 1 to 100, with higher scores indicating a greater ability to rank. PA is calculated using machine learning models and considers factors like link counts, linking root domains, and other data points. Unlike Domain Authority, which evaluates an entire website, Page Authority focuses on a single page's ranking strength.
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Synonyms - PA, PA:

Page Title (Title Tag)

The Page Title is the primary label that appears in search results and browser tabs. It is your first chance to tell both users and search engines what a page is about. Strong titles are specific, easy to read, and naturally include relevant keywords without stuffing.
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Synonyms - Page Title, HTML Title, Meta Title

PageRank

PageRank is a Google algorithm that evaluates the quality and quantity of links pointing to a webpage to determine its relative importance. Named after Google co-founder Larry Page, it assigns a numerical value from 0 to 10 (publicly visible in the old Google Toolbar). Although Google no longer publicly discloses PageRank scores, the underlying algorithm still plays a role in how pages are ranked in search results.
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Synonyms - PR, Page Rank, PageRank,

Plain Text Email

Plain Text Email exposure means email addresses are published directly in your page source where automated scrapers can easily harvest them. This can lead to a flood of spam. Safer approaches include contact forms, obfuscation techniques, or encoding that keeps addresses accessible but harder to scrape.
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Synonyms - Email Harvesting, Exposed Email

Progressbar Accessible Name

Progressbar Accessible Name means progress indicators need a label that tells assistive tools what process is being tracked. Without one, screen reader users just hear a percentage with no idea what it refers to. A clear name makes progress bars meaningful and informative for everyone.
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Synonyms - Progress Label, Loading Bar Name

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.