If you have ever been told to sprinkle "LSI keywords" into your content, you have met a ghost of the Brandy update. Many SEOs still believe Google started using a technique called latent semantic indexing back in 2004, and that this is why synonyms and related words help a page rank. It is one of the oldest ideas in our industry.
The truth is more interesting. Brandy, which rolled out around 17 to 20 February 2004, was real and it was big. Google added roughly a billion pages to its index that week. SEOs noticed that anchor text and the topic of linking sites seemed to matter more, and that on-page tags mattered less. But the "LSI" label was a theory, and Google has since said plainly that LSI keywords are not a thing.
Let me explain what Brandy actually changed, which parts were documented and which were guesswork, and how the ideas behind it grew into the semantic search Google runs today. For the full sequence of early updates, see our Google algorithm updates timeline.
Brandy at a glance
| Item | Details |
|---|---|
| When | 17–20 February 2004 (dates reported by SitePoint and Wikipedia's timeline) |
| Type | Named ranking update plus a major index expansion |
| Confirmed by Google? | Partly. Google announced the bigger index, and the Google forum rep "GoogleGuy" said new quality signals were being added. The specific ranking changes were never detailed. |
| Index size | 4.28 billion web pages, up from 3.3 billion earlier that week (as reported 19 February 2004) |
| Reported changes | More weight on anchor text and topically related links ("link neighborhoods"), less on title, heading and bold tags, more authority sites in results |
| Popular theory | Latent semantic indexing (LSI): never confirmed, later dismissed by Google |
| Came after | Florida (November 2003) and Austin (January 2004) |
Why the February 2004 index expansion mattered
The clearest fact about Brandy is the size of the index. A Straits Times report republished by YaleGlobal on 19 February 2004 put the numbers like this:
“Google's search engine now spans 4.28 billion web pages, up from 3.3 billion pages earlier this week.”
— YaleGlobal Online (from the Straits Times), Google Adds 1 Billion Pages to Stay Ahead
The same report said Google had grown its image index to 880 million, up from slightly more than 400 million, and that it had made five significant changes to its ranking formula in the previous two weeks. That second detail is easy to miss, but it matters. Brandy was not one change. It was a cluster of changes landing alongside a much bigger index.
The timing was not random either. The report noted that Yahoo had been using Google's index since 2000 but planned to stop before April 2004, and Microsoft was building its own engine for MSN. Google was heading toward its IPO later that year. A bigger index was partly a competitive statement.
For site owners, a bigger index meant a few practical things:
- More competing pages for almost every query, especially long, specific searches.
- Deeper pages getting indexed, so inner pages on large sites had more chances to rank.
- Some older results coming back. SitePoint suggested the expansion may have returned some pages that had disappeared after Florida.
GoogleGuy, quoted by WebProNews, made it clear this was not a rollback, though. He said Google had "been working to incorporate new signals of quality and improve the way that we rank pages", and that the rollout could take several days.
The latent semantic indexing claims, and what Google said later
This is the part of Brandy that most people remember, so let me be careful with it.
What LSI actually is: latent semantic indexing is a math technique from the late 1980s. It looks at which words tend to appear together across many documents, so a system can tell that a page about "jaguar" with "engine", "dealer" and "sedan" is about cars, not animals. In simple words, it groups words by the company they keep.
What SEOs claimed in 2004: after Brandy, articles such as SitePoint's guide argued that Google was now using LSI to put pages into the correct "topical context". Bruce Clay's history of updates later summed Brandy up in one line:
“The Brandy Update emphasised Latent Semantic Indexing – the idea of using synonyms on your website.”
— Bruce Clay, Inc., Google Updates: A History of SEO from 2000-2010
What Google said: nothing about LSI in 2004. Fifteen years later, Google's John Mueller was direct. In a tweet on 30 July 2019, reported by Search Engine Roundtable, he wrote: "There's no such thing as LSI keywords -- anyone who's telling you otherwise is mistaken, sorry."
So where does that leave us? I think the fair reading is this. SEOs in 2004 noticed something real: Google was getting better at understanding topics, not just matching exact words. "LSI" was the best name they had for it. Google probably used its own methods, not the 1980s technique, and those methods have changed many times since. The lesson that survived is sound (cover a topic naturally and fully). The tactic that grew out of it (stuff in a list of "LSI keywords") is not.
Anchor text and link neighborhoods after Brandy
The second big shift people reported was in links. SitePoint's write-up made two points that were repeated across forums:
- Links to the right page matter more. It said it was "more important for Webmasters to attract links that point directly to the relevant pages", rather than pointing everything at the homepage.
- Anchor text should describe the target page. A link that says "blue widgets" pointing to your blue widgets page was seen as more useful than a generic "click here".
- The linking site's topic matters. SitePoint advised that links "must be from related topic sites". This idea became known as the link neighborhood: Google judging you partly by the topic and quality of the sites around you in the link graph.
Andy Beal, quoted by WebProNews, noticed that Google seemed to include "a lot more 'authority' sites that were previously not included". That fits the neighborhood idea: sites with strong links from within their own field gained, while sites propped up by random links slipped.
This is also where Brandy connects with the Austin update a month earlier, which reportedly hurt off-topic link swaps. Taken together, the two updates sent a clear message. A link from a relevant site was worth far more than ten links from unrelated ones.
One word of caution. "More weight on anchor text" was later abused heavily. By 2012, sites with too many exact-match anchors were being hit by Penguin, as I explain in our guide to the Penguin update of 2012. The idea of descriptive anchors is fine; manufacturing thousands of them is not.
Less weight on title, heading and bold tags
The third change reported after Brandy was a drop in the power of on-page tags. SitePoint put it bluntly: "Clever use of the title, h1, h2, bold, and italics tags, and CSS, is no longer as important."
That does not mean these tags stopped mattering. Titles in particular still help Google and users understand a page. But in 2003 you could push a page up by wrapping your keyword in <h1> and <b> tags many times. After Florida, Austin and Brandy, that kind of formatting trick stopped moving rankings in any reliable way.
Here is how the balance of signals seemed to shift, based on what SEOs reported at the time. This is a summary of reports, not data from Google.
| Signal | Before Florida (mid-2003) | After Brandy (Feb 2004), as reported | Today |
|---|---|---|---|
| Keyword in title tag | Very strong | Still useful, less decisive | Useful for relevance and clicks |
| Keywords in h1/bold tags | Strong | Weak | Helps structure; minor for ranking |
| Exact keyword repetition | Strong | Weaker; related terms seemed to help | Topic coverage and meaning matter more |
| Anchor text of inbound links | Strong | Stronger, especially to inner pages | Still used; manipulation is link spam |
| Topic of linking sites | Barely noticed | Clearly important ("neighborhoods") | Part of link analysis systems |
A worked example: one page written for 2003, 2004 and 2026
Here is a hypothetical example to show how the advice changed. Imagine a page selling hiking boots.
- 2003 version: "Hiking boots" appears 18 times in 300 words, in the title, an h1, two h2s and several bold tags. Fifty links point to the homepage with the anchor "cheap hiking boots", most from unrelated directories.
- Post-Brandy version (2004 advice): the page mentions related words like "waterproof", "ankle support", "trail" and "Gore-Tex". Links point straight to the boots page, from a few outdoor gear blogs and a hiking club site.
- 2026 version: the page answers what a buyer actually needs: how to choose fit, waterproof vs breathable, break-in time, returns. It has real photos and reviews. A handful of links come from hiking sites because the page is genuinely useful.
Notice that the 2004 advice moved in the right direction but was still focused on words and links as levers. The modern version focuses on the reader. That is the real arc from Brandy to today.
How Brandy shaped later semantic search
Brandy was not a semantic search system. But the direction it pointed in kept going. Here is a simple chain of later steps, each covered on our site:
- 2013, Hummingbird: Google rebuilt its core to understand the meaning of whole queries, especially conversational ones. See our guide to the Hummingbird update.
- 2018, neural matching: Google describes this as "an AI system that Google uses to understand representations of concepts in queries and pages". Our post on neural matching explains it simply.
- 2019, BERT: an AI system that helps Google understand how combinations of words express different meanings. More in our BERT update guide.
Each of these did, in a much more advanced way, what SEOs in 2004 hoped "LSI" was doing: understanding what a page is about beyond its exact words. If you want to write for this kind of system, our guide to semantic SEO is the practical next step, and beginners can start with the free lesson on search intent.
Questions people ask about the Brandy update
Did Google confirm the Brandy update?
Partly. Google publicly announced its bigger index in February 2004, and GoogleGuy said Google was adding new signals of quality. Google never published details of the ranking changes or used the name Brandy.
Did Brandy introduce latent semantic indexing?
That was a popular theory at the time, but Google never confirmed it. In 2019 John Mueller said there is no such thing as LSI keywords. Google was getting better at understanding topics, but probably not with the LSI technique itself.
How big was Google's index after Brandy?
Reports from 19 February 2004 said Google's index covered 4.28 billion web pages, up from 3.3 billion earlier that week, and its image index grew to 880 million.
What is a link neighborhood?
It is the idea that Google judges a site partly by the topic and quality of the sites linking to it and that it links to. After Brandy, SEOs believed links from related sites carried far more weight than links from unrelated ones.
Should I still use LSI keyword tools?
Use them, if at all, only as a prompt for subtopics a reader might want covered. Do not force lists of related words into a page. Covering the topic well for the reader is what matters.
Using Brandy's lessons on your content this month
Brandy was a big index expansion paired with a set of ranking changes that rewarded topical relevance, descriptive anchor text and links from related sites, while reducing the pull of formatting tricks. The LSI label stuck, but Google has said there is no such thing as LSI keywords.
The practical takeaway is simple. Write pages that cover a topic properly in natural language, and earn links from sites in your own field that point to the page that best answers the need. Next in the series, the Allegra update of February 2005 brought the "sandbox" debate to the front of the forums.
If your content was built around keyword lists rather than readers, our content writing team can help rework it, and our SEO services cover the link and technical side. When you are ready, get a quote and we will take a look.
Google updates around the same time
Before this update:
- The Austin Update (January 2004): Florida's Sequel Against On-Page Tricks (Jan 2004)
- The Florida Update (2003): The Shake-Up That Ended Old-School SEO (Nov 2003)
After this update:
- The Allegra Update (February 2005): The Sandbox, LSI and Suspicious Links (Feb 2005)
- The Bourbon Update (May 2005): Duplicate Content and Reciprocal Links (May 2005)
Or browse every Google update on one timeline, newest first.
Sources for this Brandy update history
- YaleGlobal Online: Google Adds 1 Billion Pages to Stay Ahead (19 February 2004)
- SitePoint: How To Beat Google's 'Brandy' Update
- WebProNews: Google's Brandy Update Exposed
- Bruce Clay, Inc.: Google Updates: A History of SEO from 2000-2010
- Search Engine Roundtable: Google: There Is No Such Thing As LSI Keywords (2019)
- Google Search Central: A guide to Google Search ranking systems
- Wikipedia: Timeline of Google Search
- Search Engine Roundtable: Google Update History Documented (2011)
