A website can declare itself the leading authority in its field. The claim becomes more interesting when other websites point to it. Even then, a difficult question remains: should every link carry the same weight? This is the question that makes PageRank historically significant. Larry Page and Sergey Brin helped turn relationships between documents into a means of evaluating web pages. Who linked to whom acquired a new significance for finding information and, eventually, for marketing.

The year 1998 marks the public description of a Google prototype and the foundation of a company whose subsequent scale was far from inevitable. It does not mark the invention of the search engine or the beginning of every activity later called search engine optimization. The more precise turning point was a combination: hyperlink analysis, textual relevance and an architecture intended to operate over large collections became parts of a working search system. Understanding that combination is more useful than reducing Google’s history to a single celebrated formula.

For marketing history, the development illuminates a particular change in the conditions of visibility. Organizations continued to publish their own information, but being found also depended on relationships outside their websites and on selection by an intermediary. SEO can therefore be understood through a relationship between an organization’s documents, their place in the wider web and the purpose of a person searching for information. The relationship extends beyond the language of a promotional message.

Why 1998 Was a Milestone Rather Than a Beginning Without Precedents

Google’s history is often narrated backwards from its later prominence. A familiar brand makes the early product seem destined for success, and the product makes its underlying research appear inevitable. A more revealing approach starts with the contemporary evidence. What existed in 1998? Which problems did its creators identify? What could a prototype demonstrate, and what remained to be built?

Brin and Page’s 1998 paper, The Anatomy of a Large-Scale Hypertextual Web Search Engine, described a prototype with a full-text and hyperlink database covering at least 24 million pages. That figure describes the research system rather than complete coverage of the internet or an established position of market leadership (Brin and Page, 1998).

A research publication, a business foundation and a patent are different historical events. A publication exposes an approach to examination and discussion. A company provides an organization through which people can finance, maintain and market a service. A patent records a particular invention within a legal process. Collapsing the three into a single moment obscures the work needed to carry a promising method into regular use.

Google’s corporate account places Page and Brin’s meeting in 1995, identifies Backrub as an early project name and dates the company’s foundation to 1998. The garage belongs to the subsequent business story. It does not explain the entire research origin (Google, n.d.). As a company source, this account is useful evidence of how Google narrates its beginnings. The account becomes more informative when read alongside the research publications and institutional records.

Stanford, Digital Libraries and the Infrastructure Behind the Idea

The National Science Foundation traces part of Google’s research background to the Digital Library Initiative launched in 1994. Stanford’s project involved Hector Garcia-Molina and Terry Winograd. Page received support through that research environment, while Brin held an NSF Graduate Research Fellowship. Equipment also depended on institutional and industrial funding (National Science Foundation, 2004).

This background changes the interpretation of the later marketing phenomenon. Before Google became an important route to prospective customers, it was an effort to improve access to a growing and uncontrolled collection of information. The digital-library perspective brings collection, description, connection, storage and retrieval into the same frame. Marketing significance developed from that work, but it should not replace its original informational purpose.

A founder-centered story can underestimate what a research institution contributes. Technical facilities matter, but so do discussion, criticism, shared methods and procedures for moving knowledge into practical use. Such resources are not simply scenery behind an individual insight. They help determine whether an observation can become a testable method and whether that method can become a usable prototype.

For marketing historians, the connection is between research institutions and market infrastructure. Technologies that alter markets do not always begin as marketing tools. Solving an information problem can create an intermediary service; that service can subsequently support new practices, specialist occupations and commercial opportunities. Google in 1998 offers a clear example of that sequence.

Before Google: Web Search and Descriptive Links

Oliver McBryan’s World Wide Web Worm at the University of Colorado provides a concrete precursor. His paper for the first international WWW conference at CERN in Geneva in 1994 described searching through document titles, reference hypertext and components of URLs. It also presented GENVL, a hierarchical virtual-library system (McBryan, 1994).

Several approaches to discovering web resources therefore existed years before the Google paper. Descriptive links are particularly relevant: their use did not begin without precedent at Google. The distinction is between an available information signal and its subsequent combination with other techniques in a different system.

The conference setting also illustrates the international research environment of the early web. Work from Colorado was discussed at a European research center. Google’s subsequent corporate importance is easier to understand when that earlier technical work remains visible, rather than being compressed into an indistinct period before the market leader.

Earlier Global Precedents: Citation Analysis Before Web Search

The idea of discovering documents through their relationships with other documents long predated the web. In 1955, Eugene Garfield proposed a citation index for scientific literature. References could expose connections between works that a purely topical arrangement might miss. His subject was scientific documentation, rather than the ranking of commercial websites (Garfield, 1955).

The distinction between a topic and a relationship is fundamental. Two documents can share a term while addressing different problems. Other documents can use different terminology while contributing to the same discussion. A reference adds another kind of evidence: someone has connected one work to another. The connection need not replace textual description to make that description more useful.

Gabriel Pinski and Francis Narin developed a related but distinct contribution in 1976. Their method assessed the influence of scientific journals through citation relationships, weighting references according to the influence of their sources. They formulated the problem through a citation matrix and an eigenvalue approach (Pinski and Narin, 1976).

This was an important precedent for recursively weighted influence. It does not mean that a network of scientific journals and the open web are equivalent, or that a commercial search service had already been invented. A mathematical relationship can recur across fields while the practical problems differ considerably. The web brought questions of access, changing documents, heterogeneous publishing practices and operation at a different scale.

Massimo Franceschet’s historical review situated PageRank among related methods in bibliometrics, sociometry and econometrics. That perspective places the technique within an international intellectual history, rather than an exclusively Californian origin story (Franceschet, 2011).

The correction does not diminish Page and Brin’s achievement. It makes the achievement more specific. Historical importance can lie in a successful combination and implementation, rather than in creating every underlying idea without precedent. For a museum of marketing, that distinction is valuable: many influential market practices emerge through the transfer and recombination of knowledge developed elsewhere.

Contemporary Alternatives: Kleinberg’s Authorities and Hubs

Research into the structure of the web also developed along parallel paths. Jon Kleinberg’s Authoritative Sources in a Hyperlinked Environment appeared in the Journal of the ACM in 1999, following a 1997 research report and a 1998 conference version. Its HITS approach distinguished between authorities and hubs: important sources and pages that point towards such sources (Kleinberg, 1999).

An excellent directory and an authoritative explanation need not perform the same function. A directory can be valuable because it leads readers towards useful material. An explanation can be valuable because good directories identify it as worth consulting. The relationship illustrates how the web can contain several forms of informational importance rather than one undifferentiated kind of popularity.

HITS was not another name for PageRank, and it should not be presented as a component of the early Google system. Its relevance here is comparative. Different researchers were exploring how hyperlinks could support judgments beyond navigation. A method aimed at a topic-related collection and a method that calculates a more general importance measure do not ask exactly the same question.

For organizations, this comparison reveals the limits of treating every website as though it played the same role. A site might be an original source, a guide, a commercial presentation or a collection of references. A useful information environment can require all of these functions. The historical research was more differentiated than the later shorthand of simply accumulating backlinks suggests.

How PageRank Works: Weighted Relationships Rather Than Link Totals

In the classical PageRank model, a page’s importance depends on incoming links, the importance of their sources and those sources’ outgoing links. A random surfer follows links and occasionally restarts elsewhere; long-run visits provide an intuitive interpretation of the scores (Franceschet, 2011).

The method is recursive because the value assigned to one document depends on other documents whose values are themselves determined within the network. It is therefore different from an ordinary count in which each incoming reference contributes an identical unit. The result reflects a structure of relationships rather than a collection of independent votes with equal weight.

A conceptual example makes the distinction clear. Suppose two company pages each receive one link. One link comes from a page isolated from the wider network; the other comes from a page with a strong network position. A simple count records a tie. A recursive method can distinguish between the two situations. This is an illustration of the model, not a reconstruction of actual Google results or a prediction of particular search positions.

The resulting score does not directly establish whether a product is suitable, a price is fair or a claim is true. Those judgments require other evidence. The technique’s strength is to turn relationships into a computable measure. Its limitation is that the measure captures a specific form of importance, rather than every possible meaning of quality.

That distinction helps explain PageRank’s relevance to marketing without exaggerating it. A technical score can structure opportunities for attention. It cannot stand in for a complete assessment of an organization or its offer. Customers may have good reasons to trust a less visible supplier or reject a highly visible one.

PageRank and Search Relevance Answer Different Questions

A strongly connected page can still answer a particular question poorly. A relatively obscure document can contain exactly the information required. This separates a page’s general position within a link network from its relevance to an individual query. A single importance score cannot, by itself, determine a useful ordering for every possible search.

The prototype also used textual signals, including anchor text, word positions and proximity. Link descriptions could be associated with the destination page, adding information supplied outside that page itself (Brin and Page, 1998).

This introduces a revealing distinction for corporate communication. An organization describes itself, but others can describe it differently. A specialist resource might receive a precise descriptive link, while a general corporate presentation is referenced only by company name. Neither case establishes a predictable ranking outcome. They illustrate why external description and self-description are separate sources of information.

The marketing implication is that a website is not a completely enclosed communication space. Its public meaning can emerge partly through the ways other participants locate and characterize it. Public relations, specialist recognition and publication can therefore be examined alongside organic visibility, without assuming that every such activity was originally performed as an SEO tactic.

The relationship is particularly useful for distinguishing communication from control. An organization controls much of its own published language. It has less direct control over the interpretations and connections created by others. Search brings these different contributions into a common information environment. That makes visibility a product of participation in a wider system, rather than simply a consequence of the firm’s intended message.

From an Algorithm to a Search Service

A ranking method is not yet a dependable search product. Information has to be gathered, processed, stored and made available in response to queries. Search quality and large-scale implementation must therefore be considered together when examining search as a service.

For users, the connection is straightforward. An excellent answer has limited value if it cannot be retrieved when required. A fast response is disappointing if it does not address the request. The service depends on several activities functioning together. Concentrating exclusively on PageRank can conceal the chain of work that precedes the visible results page.

This is also important for marketing history. It connects the promise of discoverability with the practical availability of information. A persuasive corporate story cannot substitute for an accessible description of an offer. An extensive technical explanation may be less useful if a reader cannot locate the relevant detail. These are analytical implications of search as a service, rather than claims about the precise weighting of present-day ranking factors.

Organizations face a related problem internally. Knowledge may exist within a company without existing in a form that outsiders can find or understand. Publishing requires decisions about what to explain, how to identify it and where to place it. Search adds an intermediary between that published material and its prospective reader. The entire path matters to the outcome.

The achievement associated with 1998 therefore concerned both a way of evaluating documents and the work of incorporating evaluation into a practical system. A mathematical insight and an operational information service belong to related but distinguishable histories. Their connection is precisely what makes the early Google prototype significant.

Patent, University and Company: Different Forms of Attribution

US Patent 6,285,999, Method for node ranking in a linked database, names Lawrence Page as inventor and Stanford as original assignee. It records priority on 10 January 1997, an application on 9 January 1998 and a grant on 4 September 2001. These are separate procedural dates (Page, 2001).

There is no contradiction between the joint scientific authorship of Brin and Page and the inventor named in this particular patent. The documents serve different purposes. Research authorship, patent inventorship and company foundation should each be described using evidence appropriate to that form of attribution.

A contemporary account from Stanford’s technology-transfer office adds another part of the story. Rich Scholes reported in 2000 that the technology had been disclosed to the Office of Technology Licensing in 1996 and discussed with internet companies before Page and Brin chose to establish their own business (Scholes, 2000).

This makes the startup visible as a route for developing the technology, rather than the predetermined conclusion of the research. An invention might be licensed, developed within an existing organization or used as the basis for a new firm. These arrangements affect who operates the resulting service and how responsibility for its development is organized.

For business history, the lesson is methodological as well as substantive. The most famous name attached to a product is not always the correct answer to every question about ownership, authorship or invention. Precision does not require a cumbersome legal narrative. It requires keeping the roles distinct enough that one document is not asked to prove something it was never intended to establish.

What Organic Visibility Changed for Marketing

The enduring connection with SEO begins with a different task for organizations. It was no longer sufficient to consider only what the business wanted to say. A company also needed to consider which information a searcher required, how that information existed as documents and how those documents were situated within a larger information environment. Organic visibility brought publication, technical implementation and public recognition into a closer relationship.

An available offer is not the same thing as an answered question. A company may sell an appropriate product without explaining its suitability clearly. It may have a remarkable history while the visitor needs dimensions, application details or a dependable contact address. Looking at information through the intended reader’s purpose changes the priorities of corporate publication.

This should not be presented as a complete marketing doctrine already formulated in 1998. It is a historical interpretation of the development. As search becomes a more important intermediary, translating organizational knowledge into publicly intelligible information becomes more consequential. The work involves editorial judgment, subject knowledge, technical implementation and communication together.

The development did not make older forms of reputation irrelevant. Helpful explanations and specialist recognition were valuable before Google. What changed was their possible connection to an automated infrastructure of discovery. A document written for people could also leave relationships that a search system could process. Public usefulness and machine interpretation could interact without becoming identical.

For managers, this complicates the boundaries of marketing responsibility. A marketing department may shape a message, but information quality can depend on engineers, customer-service staff, product specialists and editors. Organic visibility exposes the interdependence of these contributions. It is less easily understood as the isolated output of an advertising campaign.

Search Intent: A Later Concept That Clarifies the History

Andrei Broder’s 2002 taxonomy distinguished informational, navigational and transactional web searches. These concerned acquiring information, reaching a particular site or undertaking an activity; transactional did not mean purchasing alone. The taxonomy appeared after the Google paper and should not be retroactively attributed to the 1998 prototype (Broder, 2002).

The distinction nevertheless helps interpret the marketing change. Someone entering a company name may want to reach a known destination. Someone asking a technical question may need an explanation. Someone intending to use a service needs a suitable path towards action. The same corporate page can serve these purposes unequally, even when its general prominence remains unchanged.

Search intent and PageRank are therefore not interchangeable concepts. One concerns the purpose of a request; the other concerns relationships between documents. Keeping them separate clarifies the difference between being discovered and providing a satisfactory response. The fact that a user reaches a page does not settle whether the page helps them accomplish their task.

Intent also remains an interpretation rather than a direct view into a person’s mind. A short query can be ambiguous, and the same phrase can support different purposes. Marketing history should preserve that uncertainty. Describing search as purposeful does not require pretending that the purpose can always be read perfectly from the words entered.

The Limits of the Index: The Web Exceeded Every Results List

In 1999, Steve Lawrence and C. Lee Giles reported unequal website coverage, delays in indexing new pages and limited coverage by individual search engines. In their contemporary investigation, no single engine indexed more than approximately 16 percent of the web under study. The figure belongs to that investigation, not to present-day coverage (Lawrence and Giles, 1999).

The finding makes an important distinction visible. A document may be absent from a collection, inadequately represented or placed low in the results for a particular query. From a company’s perspective, the immediate experience can be similar: the page is not found. Analytically, these are different situations requiring different explanations.

A search engine is consequently not a simple mirror of everything that has been published. It operates over an acquired collection and applies a particular ordering. Explaining the commercial prospects of a website solely through its position overlooks the prior question of inclusion. For newer or less connected publishers, publication and effective discoverability are especially important to distinguish.

The issue also gives the history an international dimension. A globally accessible network does not establish equal visibility for every information provider. Google’s development should not be turned into a story of immediate, uniform access to all the world’s web content. Its contribution has to be situated within the limits of the information environment in which it operated.

Manipulation and the Changing Economics of Links

Once visibility has commercial value, participants’ incentives can change. A link may be created to help a reader, but it may also be produced to influence an automated assessment. Evaluating a relationship can therefore alter the conditions under which future relationships are made. The information system and the behavior it measures become connected.

Monika Henzinger, Rajeev Motwani and Craig Silverstein discussed text spam, link spam and other quality problems in their 2003 paper Challenges in Web Search Engines. Their account shows that manipulation became an explicit research problem early. It does not establish that every subsequent response to manipulation was already present in 1998 (Henzinger, Motwani and Silverstein, 2003).

For marketing, the distinction is between creating something useful and creating a signal mainly because the signal is evaluated. The activities can resemble each other externally. A reference may help a reader pursue a subject; another reference may exist principally to affect a machine’s interpretation. Their outward similarity does not make their informational contribution identical.

The underlying problem extends beyond search. When a measured characteristic becomes an economic target, behavior can adapt around it. The measure may then contain a different mix of information than it did before. PageRank’s history offers a concrete setting in which to examine this interaction between evaluation and market conduct.

This is also why a purely mechanical account of SEO is historically incomplete. The meaning of a technical signal depends partly on the practices through which the signal is generated. Understanding the system requires attention to those practices, including the motives of publishers and the expectations of users. The network is both a technical structure and an outcome of human activity.

Importance, Truth and the Responsibility of Intermediaries

Citation indexing also reminds us that references can lead readers towards criticism and correction, rather than endorsement alone (Garfield, 1955). The same conceptual caution applies to web links. A page can be linked because it is disputed, documented or used as a counterexample. The presence of a connection does not fully reveal its communicative purpose.

Lucas Introna and Helen Nissenbaum argued in 2000 that search engines raise political and social questions as well as technical ones. Selection and ranking can give prominence to some websites and kinds of websites while excluding or marginalizing others. Their subject was the consequences of search mediation for the public information environment (Introna and Nissenbaum, 2000).

This perspective complements the company-centered account. Visibility is an opportunity for an individual supplier; across an information environment, it is also a distribution of opportunities. Material appearing prominently is more likely to enter a user’s field of attention. Other material can remain publicly available while becoming difficult for many people to encounter in practice.

That does not establish deliberate disadvantage in every instance of unequal visibility. It establishes the importance of examining mediation itself. A history of marketing should explain not only how firms seek attention, but also how the institutions carrying information organize routes towards that attention.

The distinction between importance and truth is particularly useful here. A system can provide a valuable way to order documents without certifying every claim within them. Users, publishers and researchers still have reasons to examine sources and context. Historical explanation becomes stronger when it neither dismisses the technical achievement nor assigns it powers beyond the problem it addresses.

From Research Performance to the Google Brand

Scholes’s 2000 account identified word of mouth as important to Google’s early growth and described the provision of search services to other companies. Google could therefore operate both as a destination and as a supplier of a search capability (Scholes, 2000).

The combination matters for brand history. A name can become familiar through a company’s own interface while the underlying service develops through use in other organizational settings. Perceived usefulness can arise from repeated successful encounters, rather than from promotional claims alone. The service experience becomes part of the explanation of recognition.

Financing nevertheless remains a separate question. The 1998 paper’s appendix discussed potential conflicts between advertising-funded search and users’ interests (Brin and Page, 1998). That discussion records an early concern about incentives; it cannot explain the later advertising business on its own.

Organic ranking, the sale of a search service and the sale of search advertising are connected but historically distinguishable subjects. Keeping them separate makes the 1998 contribution easier to assess. The prototype’s informational and technical achievement should remain visible before the account turns towards the later commercial arrangements surrounding search.

Page and Brin’s Contribution to Marketing History

PageRank made hyperlinks useful as more than routes from one document to another. Combined with other information, they could support an automated ordering of pages. Page and Brin’s distinctive contribution involved connecting that evaluation with a practically described search system. Earlier citation methods and contemporary alternatives belong within the explanation because they clarify both the available ideas and the new demands of the web.

For marketing, the relationship between publication and attention acquired an additional layer. The company’s own content continued to matter, but discoverability also depended on an ordering produced beyond the company’s website. Visibility had to be considered through documents, relationships, search purposes and technical mediation together. That is why the history reaches beyond the wording of advertisements.

The significance of 1998 is therefore precise. It did not settle every question of relevance or make business success mathematically predictable. It made publicly visible an influential way of using the web’s structure to improve search. For organizations, that development created another condition of being found: the importance of published information depended partly on how it was connected to information elsewhere.

References

Brin, S. and Page, L. (1998) ‘The anatomy of a large-scale hypertextual Web search engine’, Computer Networks and ISDN Systems, 30(1-7), pp. 107-117. https://doi.org/10.1016/S0169-7552(98)00110-X. Full text: https://research.google.com/pubs/archive/334.pdf.

Broder, A. (2002) ‘A taxonomy of web search’, ACM SIGIR Forum, 36(2), pp. 3-10. https://doi.org/10.1145/792550.792552. Full text: https://sigir.hosting.acm.org/files/forum/F2002/broder.pdf.

Franceschet, M. (2011) ‘PageRank: Standing on the shoulders of giants’, Communications of the ACM, 54(6), pp. 92-101. https://doi.org/10.1145/1953122.1953146. Accessible 2010 preprint: https://arxiv.org/abs/1002.2858.

Garfield, E. (1955) ‘Citation indexes for science: A new dimension in documentation through association of ideas’, Science, 122(3159), pp. 108-111. https://doi.org/10.1126/science.122.3159.108. Author’s archive: https://garfield.library.upenn.edu/papers/science_v122v3159p108y1955.html.

Google (n.d.) Our story: From the garage to the Googleplex. https://about.google/company-info/our-story/ (Accessed: 23 October 2026).

Henzinger, M.R., Motwani, R. and Silverstein, C. (2003) ‘Challenges in web search engines’, Proceedings of the Eighteenth International Joint Conference on Artificial Intelligence, pp. 1573-1579. https://www.ijcai.org/Proceedings/03/Papers/278.pdf.

Introna, L.D. and Nissenbaum, H. (2000) ‘Shaping the Web: Why the politics of search engines matters’, The Information Society, 16(3), pp. 169-185. https://doi.org/10.1080/01972240050133634.

Kleinberg, J.M. (1999) ‘Authoritative sources in a hyperlinked environment’, Journal of the ACM, 46(5), pp. 604-632. https://doi.org/10.1145/324133.324140. Full text: https://www.cs.cmu.edu/afs/cs/project/pscico-guyb/realworld/www/papers/kleinberg.pdf.

Lawrence, S. and Giles, C.L. (1999) ‘Accessibility of information on the web’, Nature, 400, pp. 107-109. https://doi.org/10.1038/21987.

McBryan, O.A. (1994) ‘GENVL and WWWW: Tools for taming the Web’, in Nierstrasz, O. (ed.) Proceedings of the First International World Wide Web Conference. CERN, Geneva, May. https://citeseerx.ist.psu.edu/document?doi=24a0993b3ac32a4a3bd15fd9aef408bcff6f31f1&repid=rep1&type=pdf.

National Science Foundation (2004) Google. 17 August. https://www.nsf.gov/impacts/google (Accessed: 23 October 2026).

Page, L. (2001) Method for node ranking in a linked database. US Patent 6,285,999 B1, granted 4 September. Original assignee: The Board of Trustees of the Leland Stanford Junior University. https://patents.google.com/patent/US6285999B1/en.

Pinski, G. and Narin, F. (1976) ‘Citation influence for journal aggregates of scientific publications: Theory, with application to the literature of physics’, Information Processing & Management, 12(5), pp. 297-312. https://doi.org/10.1016/0306-4573(76)90048-0.

Scholes, R. (2000) ‘Uniquely Google’, Stanford Technology Brainstorm, Spring. Stanford University, Office of Technology Licensing. https://web.stanford.edu/group/OTL/documents/0902_sp00.pdf.