Recently, internal documentation for Google Search’s Content Warehouse API was accidentally leaked. This revelation includes internal microservices that reflect Google Cloud Platform offerings and details from the deprecated Document AI Warehouse. The documentation, initially published publicly in a code repository for the client library, has been captured by an external automated documentation service.
Despite Google fixing the repository mistake on May 7th, the automated documentation remains accessible. For liability reasons, I won’t link to it here. However, since the code was published under the Apache 2.0 license, anyone who found it can use, modify, and distribute it freely.
Reviewing the Google SEO Leak
The API reference docs, combined with previous Google leaks and DOJ antitrust testimony, reveal extensive information about data storage for content, links, and user interactions. This includes varying degrees of descriptions of features manipulated and stored, ranging from sparse to surprisingly detailed.
While it’s tempting to label these as “ranking factors,” many are indeed ranking factors, but some are not. Here, I’ll contextualize some of the most interesting ranking systems and features based on my research and past statements from Google.
Google’s Mixed Messages
Google’s public representatives have sometimes discredited discoveries made by experts in marketing, tech, and journalism. Future Googlers speaking on these topics should consider saying, “we can’t talk about that” to maintain credibility. Leaks like this make it difficult to trust future statements.
The Caveats
Limited Time and Context: The holiday weekend allowed me only about 12 hours of concentrated review. Some anonymous parties helped speed up my understanding. This analysis is an initial review and may be less structured than future posts.
No Scoring Functions: The documentation lacks details on feature weighting in scoring functions. We don’t know how features are used or deprecated. However, the documentation provides insights into the features considered.
Likely the First of Several Posts: This post is an initial analysis. I may publish subsequent posts as I dig deeper. The SEO community will likely spend months parsing through these docs.
Current Information: The leak appears to represent the current architecture of Google Search Content Storage as of March 2024.
Correlation is Not Causation: This principle doesn’t directly apply here, but it’s essential to consider in any analysis.
There Are 14K Ranking Features and More in the Docs
The API documentation includes 2,596 modules with 14,014 attributes (features). These modules relate to YouTube, Assistant, Books, video search, links, web documents, crawl infrastructure, an internal calendar system, and the People API. Google’s systems operate in a monolithic repository, meaning all code is stored in one place, and any machine can access it.
Google’s Lies and Misleading Statements
Google representatives have repeatedly denied using “domain authority” and “clicks for rankings.” However, the leaked documentation contradicts these statements, revealing the existence of “siteAuthority” and systems like NavBoost that use click-driven measures to influence rankings.
The Architecture of Google’s Ranking Systems
Google’s ranking systems are a series of microservices, each responsible for different aspects of content processing and ranking. Key systems include:
– Processing: LinkExtractor (extracts links from pages)
– Ranking: Mustang (primary scoring and ranking system), Ascorer (primary ranking algorithm), NavBoost (re-ranking system based on user clicks)
– Serving: Google Web Server (frontend server), SuperRoot (manages post-processing and result presentation)
Key Take Aways for SEO
How Panda Works: Panda modifies rankings based on distributed signals related to user behavior and external links. This suggests a focus on driving more successful clicks and earning diverse links.
Authors are an Explicit Feature: Google stores and measures authorship, reinforcing the importance of E-E-A-T (Expertise, Authoritativeness, and Trustworthiness).
Demotions: Various demotions are applied based on anchor mismatch, SERP dissatisfaction, poor navigation, exact match domains, product reviews, location relevance, and more.
Links Remain Important: Despite claims of decreasing importance, links are still crucial, with Google deeply analyzing the link graph.
Document Truncation: Google counts tokens and truncates documents, emphasizing the need to place important content early.
Short Content and Originality: Short content is scored for originality, and keyword stuffing is penalized.
Page Titles Matter: Titles are still measured against queries, and keyword placement is crucial.
Dates Are Important: Google associates multiple date types with pages to prioritize fresh content.
Domain Registration Info: Google tracks domain registration info, possibly impacting new and transferred domains.
Video Sites Treated Differently: Sites with over 50% video content are treated differently.
YMYL (Your Money or Your Life): Google scores YMYL content explicitly, affecting health and news sites.
Gold Standard Documents: These documents receive additional weight, potentially from quality ratings.
Sandy Rowley
SEO Company in Reno
775-870-0488
Final Thoughts
This leak provides a clearer picture of Google’s ranking systems and features. The information reinforces the importance of high-quality content, strong user engagement, technical excellence, and strategic link building. Small business owners should leverage these insights to enhance their SEO strategies, focusing on creating valuable content and improving user experience.
Optimizing your Google My Business (GMB) listing is crucial for local SEO and increasing your online visibility. Here are ten tips to improve your GMB presence:
Accurate Business Information: Ensure that your business name, address, phone number (NAP), and website URL are accurate, consistent, and match your official website.
Choose the Right Categories: Select relevant categories that best describe your business. Google uses categories to understand what your business offers.
Complete Business Description: Write a detailed and informative business description that includes relevant keywords and highlights your products, services, and unique selling points.
Local Phone Number: Use a local phone number instead of a toll-free number to establish a strong local presence.
Business Hours: Provide accurate opening hours for your business. Update them if there are any changes, especially during holidays or special occasions.
Add Photos and Videos: Upload high-quality images and videos showcasing your products, services, team, and premises. This enhances your listing’s appeal and authenticity.
Collect and Respond to Reviews: Encourage satisfied customers to leave positive reviews on your GMB listing. Engage with reviews, both positive and negative, in a professional and helpful manner.
Enable Messaging: Allow customers to message you directly through your GMB listing. Respond to messages promptly to provide excellent customer service.
Add Posts: Use the “Posts” feature to share updates, offers, events, and news related to your business. Posts can attract more attention and engagement.
Use Attributes: Take advantage of the attribute feature to highlight specific offerings, such as “wheelchair accessible,” “free Wi-Fi,” or “outdoor seating.”
Remember that GMB is constantly evolving, and new features may be introduced over time. Regularly update your listing and monitor its performance to ensure you’re making the most of this valuable local SEO tool.
Google Analytics is the premiere tool for understanding how people get to your site and what pages they visit. It tracks traffic, page popularity, and so much more. The question you might be asking yourself is, “How does Google Analytics Work?”
You’ll hear experts talk about Google bots and crawling spiders, but there’s nothing arachnid or science fiction-esque about this valuable program. It may be overwhelming at first glance, but once you’ve learned to navigate the Google Analytics basics, you’ll never live without it.
There’s no other free tool available that gives you this level of information about your site.
How Does Google Analytics Work?
First, you set up a Google Analytics account. It starts by creating a tracking code in the program that you place on every page of your site. Google uses the code to track information.
Without it, the program won’t gather the information. If you only put it on some pages, then it won’t gather information correctly. That’s why it must be programmed into every page on your site.
These following are just some of the data points Google Analytics and track for you. When you first create your account, there won’t be any data. Let it process and work on your site for a few weeks to soak up a good amount of information.
Traffic
GA tracks how many people visit your site and what source they came from, which is invaluable for SEO data and information. This includes Google Organic, Google CPC, Yahoo Organic, Bing Organic and CPC, Social Media such as Facebook, and referral traffic from other websites.
Standard Metrics
GA traffic info includes many different stats including bounce rate. The “bounce rate” indicates how many people visited one page on your site and left i.e. they bounced. It also shows how long users were on your site. If you have advanced e-commerce features, it can show how many transactions were made and how much revenue you earned.
Page Information
This info helps you find out the most visited pages on your site. There’s a way to find what pages people went to first and the pages they exited off of. There’s no better way to determine the customer journey than through GA tracking.
Application Integration
Using Google Analytics is a must for anyone interested in their website information, but it also integrates with other applications. Google Ads is a popular Pay Per Click advertising platform. You can connect it to GA and combine the data power.
The same goes for Google Search Console and many other apps not owned by Google. This allows you to increase the coverage of Google Analytics and learn more information.
Be Wary of Referral Traffic
You’ll be tempted to look at the overall statistics on Google Analytics, but it might not 100 percent correct. There are spam referrals and ghost traffic that has nothing to do with customers. The spam inflates your overall traffic but isn’t real.
It’s best to examine the traffic sources individually such as Google Organic, etc. That way you know the information is pure. Not all referral traffic is spam, but spam can inflate your overall numbers by thousands.
If there is a specific site that keeps coming up as spam, you can go into your settings and exclude that site from GA. Google will no longer count traffic from it.
A Valuable Tool When Used Correctly
How does Google Analytics work? You install it, read up on guides like this, and learn through trial by fire. Once you’ve mastered it, you’ll have more knowledge than you’ll ever need.
If you’re interested in learning more about Google Analytics or web design, then explore our site.
Join Sandy Rowley, leading digital marketing expert located in Reno Nv, for a workshop on How to use Google Analytics to grow your business. Hosted at The Innovation Center on 450 Sinclair Street. Sponsored by StartupNv.org
Did you miss the Google Analytics SEO Workship? Download all marketing resources and watch the recording on Youtube. Search Google Analytics Sandy Rowley.
Looking to claim your free Google My Business listing? What category is right for your business? Choose the most relevant category to reach the most views and clicks within Google Maps. View Google Category information. (Link opens in a new window)
Or use this free Google My Business Category updater tool.
Verify that your competitors are using similar categories. See which are gaining the most views and clicks with a free keyword research tool. Then select the category with the highest volume of searches each month.
Want to learn more marketing tips? Join me at one of my free marketing workshops in Reno (link opens a new window in your browser) or schedule a one hour session by calling 775-870-0488 and ask for Sandy Rowley, SEO Coach. My web design company is consistently #1 in Google search for buyer intent keywords like: Reno Web design, Reno SEO and thousands of others. As a leading SEO Expert, I practice what I preach.
Reno SEO, Marketing & Web Design
Website designer
Design agency Graphic designer Marketing agency Web hosting company Marketing consultant Internet marketing service
Web Design company that specializes in SEO. WordPress and Shopify E commerce websites. Leading Internet Marketing Company. Affordable press release firm. Located in Reno Nv. Join us once a month for our free Internet Marketing Workshops held online. Increase sales with social media, email and online marketing strategies.
Google Business Profile Category List Changes (Formerly Google My Business) Updated through February 2026
We actively track and document all Google Business Profile (GBP) category updates for the United States. Each month, this list is reviewed and updated to reflect newly added categories, renamed categories, and removed categories.
Maintaining accurate categories is a core component of effective local SEO. Selecting the most relevant primary and secondary categories improves search visibility, strengthens relevance signals, and increases discovery in local search results.
While many category updates expand globally, availability can vary by country. Businesses should verify that selected categories align with their services and market location to ensure proper representation and optimal performance.
2026 Updates
February 2026
New
E-bike charging station Updated
None Removed
None
January 2026
New
Consolidated rental car center
Eastern Catholic Church Updated
None Removed
None
2025 Updates
December 2025
Removed
Swimming Basin
November 2025
New
Nursing practice
October 2025
New
Public water well
September 2025
New
Bilingual preschool
Donburi restaurant
Insurance agent
August 2025
New
Probate attorney
RV repair and maintenance service
July 2025
New
Vauxhall dealer
June 2025
Updated
BMX track → BMX venue
Car racing → Car racing venue
Go-kart track → Go-karting venue
Hockey rink → Ice hockey rink
Off-road race track → Off-road racing venue
Skateboard park → Skatepark
May 2025
New
Bartending service
Esthetics service
April 2025
Removed (Selected Highlights)
Accounting software company
Biochemical supplier
Chartered surveyor
Drama theater
Home hairdresser
Mobile hairdresser
Printing equipment and supplies
Traditional restaurant
Video game rental service (multiple additional removals in April 2025)
March 2025
New
Queer bar
Removed (Selected Highlights – Government Entities)
Adventure Sports
Animal park
BBQ area
Citizens advice bureau
City administration
Department of education
Department of finance
Municipal corporation
Office of vital records
State department of tourism (extensive list of government-related categories removed)
February 2025
New
K-12 school Updated
Toll booth → Toll station
January 2025
New
Drinking Water Supplier
2024 Highlights
December 2024
New
Energy Advisory Service
Montessori Preschool
Rideshare Pickup Location
Tractor Parts Store Updated
Summer Camp → Summer Camp Organizer
October 2024
New
Data center
IV therapy service
Physical rehabilitation center
Psychosocial therapist
Rental car return location
Removed (Selected)
Biotechnology engineer
Bookmaker
Commercial refrigeration
Corporate entertainment service
T-shirt company
July 2024
New
Auto care products store
Catering equipment rental service
Church council office
Head and neck surgeon
POS terminal supplier
Tattoo supply store
Tire service
May 2024
New
Algerian restaurant
Animal cafe
Applied behavior analysis therapist
Drone service
European grocery store
Hiking club
Junk removal service
Palestinian restaurant
RV inspection
Updated
Arborist and tree surgeon → Arborist service
Confectionery → Confectionery Store
Translator → Translation service
2023 Highlights
January 2023
New
Pediatric clinic Updated
Camp → Children’s Camp
Handyman → Handyman, Handywoman, Handyperson
March 2023
New
Crypto ATM
Electric Motor Scooter Dealer
Filipino Grocery Store
Personal Chef Service
July 2023
New
Branding agency
Cannabis club
Neuropsychologist
Smoke Shop
September 2023
New
Boat cleaning service
Cat cafe
Copywriting service
Lesbian bar
2022 Highlights
October 2022
New
Auto window tinting service
Indian motorcycle dealer
Serviced apartment
August 2022
New
Pickleball court
Support Group
Wallpaper installer
April 2022
New
Central European restaurant
Arab restaurant
2021 Highlights
March 2021
Significant expansion of medical specialist categories, including:
Bariatric surgeon
Cosmetic surgeon
Geriatrician
Pediatric dermatologist
Pediatric neurologist
Transplant surgeon
December 2021
Large addition of Indian regional restaurant categories:
Gujarati restaurant
Hyderabadi restaurant
Kerala restaurant
Mughlai restaurant
South Indian restaurant
Why Category Selection Matters
One Primary Category carries the strongest ranking influence.
Updates may create new optimization opportunities.
Regular audits ensure your profile remains aligned with Google’s current taxonomy.
Accountant
Accounting firm
Advertising agency
Architect
Attorney
Auto repair shop
Auto parts store
Car dealer
Car wash
Electric vehicle charging station
Gas station
Towing service
Moving company
Storage facility
Logistics service
Courier service
Trucking company
Taxi service
Transportation service
Travel agency
Hotel
Motel
Resort hotel
Bed & breakfast
Vacation home rental agency
Real estate agency
Property management company
Mortgage lender
Insurance agency
Bank
Credit union
ATM
Business management consultant
Marketing consultant
Website designer
Software company
Computer repair service
IT consultant
Printing service
Sign shop
Photography studio
Event planner
Wedding planner
Caterer
Restaurant
Cafe
Bakery
Bar
Coffee shop
Grocery store
Convenience store
Liquor store
Pharmacy
Medical clinic
Dentist
Chiropractor
Physical therapist
Mental health clinic
Massage therapist
Beauty salon
Barber shop
Nail salon
Spa
Gym
Fitness center
Yoga studio
Personal trainer
Pet store
Veterinary clinic
Animal hospital
Dog groomer
Plumber
Electrician
HVAC contractor
Roofing contractor
General contractor
Painter
Landscaping service
Tree service
Pest control service
Cleaning service
Laundromat
Dry cleaner
Furniture store
Home goods store
Hardware store
Garden center
Flower shop
School
Preschool
Day care center
Church
Non-profit organization
Top SEO Expert, Sandy Rowley, specializes in growing small business with the latest in digital marketing technologies. Her team creates AI systems for business looking to compete in Artificial intelligence . Imagine unlocking the full potential of your brand, reaching new audiences, and driving growth like never before.
You're not just running a business; you're growing a dream, and with the right marketing strategies, that dream can scale. It's time to move beyond the challenges of limited resources and expertise. By partnering with marketing professionals, you open the door to innovative ideas, expert guidance, and effective strategies tailored to your unique business needs.
Don't let your business's potential go untapped. Work with Top SEO Expert and elevate your brand and watch as your vision transforms into success. Call for marketing help today, and take the first step towards a thriving future for your business.
