SEO.co
200+
Ranking factors audited per page
01
15 yrs
Of search-algorithm operational history
02
5K+
Keywords moved into top-10 positions
03
F500
Clients alongside startups & agencies
04
// engineering methodology

How we engineer rankings.

A five-phase loop, repeated continuously. No black boxes — every step traceable to a measurable signal.

seo.co — process.ts
01
$ seo.audit()
Diagnose

200-point technical, content, and backlink audit. Core Web Vitals, crawl budget, schema, EAT signals — every lever measured before we touch a thing.

02
$ seo.strategy()
Cluster

Keyword universes mapped to topical authority pillars. Intent matched to content. Internal-link graph designed before a single page ships.

03
$ seo.execute()
Build

On-page implementation, schema rollout, content production, and white-hat link acquisition — coordinated across technical, editorial, and PR teams.

04
$ seo.measure()
Track

Position tracking, attribution modeling, conversion-funnel diagnostics. Weekly reports tied to revenue, not vanity metrics.

05
$ seo.optimize()
Iterate

Algorithm-update response within 48 hours. Competitive deltas surfaced in real time. Continuous remediation on the pages losing ground.

Mobile SEO

The Ultimate Guide for Improving Your Site for Mobile Search

Check your website's backlinks now!

(Results populate in <1 min)

robots.txt// crawl directives
1# Engineered for budget, not just access
2User-agent: *
3Allow: /
4Disallow: /admin/
5Disallow: /*?session=
6
7User-agent: GPTBot
8Allow: /
9
10Sitemap: /sitemap_index.xml

Table of Contents

lighthouse-report.json// page audit
96
Performance
100
Accessibility
95
Best Practices
100
SEO

Intro to Mobile SEO

There have been a number of misconceptions and half-truths circulating about mobile optimization, mostly as extremist responses to major announcements by tech companies like Google, and a panic that’s set in thanks to the rising trends of mobile use in most demographic segments.

Fortunately, once you understand it, mobile optimization is relatively simple, and your site might already be in the clear.

Still, there’s an ongoing component to mobile optimization—striving for a perfection that can never be reached—so there’s always more to learn about the process.

schema-validator// structured-data status
Organization
valid
ProfessionalService
valid
FAQPage
valid
BreadcrumbList
valid
Article
valid
AggregateRating
valid
// ai-search visibility · GEO

Ranking is no longer just Google.

We track citation share across every major LLM-powered search interface. Client appearance rates across the surfaces our prospects actually use:

GPT
ChatGPT Search
01
82%citation share
PPL
Perplexity Pages
02
89%citation share
AIO
Google AI Overview
03
71%citation share
GEM
Gemini Search
04
64%citation share
CLD
Claude Citations
05
58%citation share
COP
Bing Copilot
06
73%citation share
// structured data

Schema-first because Google reads JSON, not paragraphs.

Rich results, knowledge panels, AI Overview citations, and LLM training data all key off structured markup. We deploy validated JSON-LD across every page, monitored for drift.

  • 30+ schema types covered (Organization, Service, FAQ, HowTo, Article…)
  • Live Rich Results validation in CI
  • Schema audit included in every engagement
schema.json
1{
2 "@context": "https://schema.org",
3 "@type": "ProfessionalService",
4 "name": "SEO.co",
5 "areaServed": "United States",
6 "aggregateRating": {
7 "@type": "AggregateRating",
8 "ratingValue": "4.9",
9 "reviewCount": "312"
10 }
11}

What is mobile optimization?

Here’s the simplest definition of mobile optimization you’re liable to find on the Internet: mobile optimization is changing your site to be as usable and convenient as possible for users on mobile devices.

Ten years ago, mobile devices didn’t exist (or at least, weren’t popular), so most sites were designed specifically for desktop screens. Mobile screens, like those on smartphones, offer a handful of unique elements that desktop-designed sites can’t address:

Mobile optimization strives to fix all these problems.

Website Audits Showcase Technical Deficiencies & Behavior Analytics to Improve On-page & Off-page Website Health

Our SEO services include a full audit report will provide you with a detailed plan of attack for fixing specific on and off-site errors and deficits as well as provide suggestions for internal linking and off-site link procurement for immediate keyword growth.

  • Smaller screen sizes make it harder to view full-size pages, especially when it comes to viewing images and reading text.
  • Finger-based interactions make small, precision buttons on desktop sites hard to manage.
  • The diversity of devices available makes it hard to present an all-in-one solution.
  • Mobile browser compatibility is not universal, and not all types of code show up for all browsers.
gsc-coverage// index coverage · 30d
Indexed
1,842
Discovered
117
Excluded
28
Error
9

Why optimize for mobile?

You may be asking yourself what the benefits of mobile optimization are. After all, a good chunk of your user base is still accessing your site through desktop devices, and even those who aren’t can get most of the same experiences even on the un-optimized version of your site, right?

Consider these benefits of mobile optimization before neglecting the strategy altogether:

Let’s take a look at the factors shaping mobile user experiences, and how they relate to mobile optimization overall.

Google and other search engines work by using math & artificial intelligence. Our method for building links ensures we are solving the math equation while avoiding black hat strategies so you can rank for national and local terms.

Trusted by over 5,000 clients and SEO agencies, our backlink-focused SEO services are the best in the business. We can vary how aggressive we build links based on any budget and any scale.

  • SEO. Google (and other search engines) are staunch supporters of “ideal” mobile experiences. They want every site online to be “mobile friendly,” and they’re taking action to make it happen by penalizing sites that aren’t optimized for mobile and rewarding sites that are. Just by optimizing your site for mobile, you’ll earn higher positions in Google search results, resulting in more traffic to your site. In addition, you’ll earn a little badge next to your site’s name, telling users that your site is, indeed, mobile-friendly:
  • User experience. Some users are going to access your site through desktop, but the impressions mobile users get from a site are substantial. If a first-time visitor on a mobile device sees your content not loading properly or has a poor experience, he/she may not come back. Even loyal customers who don’t have a great mobile experience could leave you in favor of a competitor who can offer such an experience. Both your customer satisfaction and your brand reputation are on the line here.
  • Rising importance. These benefits are fantastic today, but what you really have to consider is their future value. Mobile devices and mobile web browsing are poised to surge dramatically over the course of the next several years. The longer you wait, the more benefits you’ll miss out on, and the worse position you’ll be in for the coming years.
keyword-clusters.csv// cluster intent
technical seo audit4.4K/mo
KD 38
core web vitals optimization1.9K/mo
KD 24
schema markup implementation2.7K/mo
KD 31
internal linking strategy3.1K/mo
KD 42
site speed optimization8.8K/mo
KD 55

The Mobile Landscape

We’re in the middle of an era that revolves around mobile experiences, and it’s not going away anytime soon.

robots.txt// crawl directives
1# Engineered for budget, not just access
2User-agent: *
3Allow: /
4Disallow: /admin/
5Disallow: /*?session=
6
7User-agent: GPTBot
8Allow: /
9
10Sitemap: /sitemap_index.xml
// core web vitals · field data

Page speed is a ranking signal. We engineer it like one.

Field-data Core Web Vitals from a typical client page after our engagement. Real users, real conditions, measured against Google's thresholds.

Good · 90+
Needs work · 50–89
Largest Contentful Paint
LCP
1.8s
score 94
Cumulative Layout Shift
CLS
0.03
score 98
Interaction to Next Paint
INP
120ms
score 91
// the difference

What “technical” actually means.

Capability
SEO.co
Typical SEO agency
Technical audit depth
200+ checks · weekly
Single annual audit
Schema markup
30+ types, CI-validated
Hand-rolled, often broken
Core Web Vitals
Engineered to <2.5s LCP
Recommendation, not implementation
Reporting cadence
Live dashboard + weekly
Monthly PDF
Algorithm response
48-hour playbook
Wait-and-see
Content + links + tech
Single coordinated team
3 separate vendors
// algorithm response log

Every algorithm update has a playbook.

We don't wait-and-see. The last five years of major Google updates and the engineering response we executed for client sites within 48 hours of confirmation.

  1. 2024March Core Update
    impact: AI-content devaluation
    Manual byline audits, EEAT enrichment, schema author overhaul
  2. 2024Helpful Content Update v3
    impact: Site-wide quality signal
    Topical authority pruning, low-value page sunset playbook
  3. 2023October Core + SGE
    impact: AI Overview rollout
    Citation-shape content, FAQ schema density, listicle restructuring
  4. 2022Product Reviews + Helpful Content
    impact: Affiliate / thin content
    Original research investment, first-hand testing methodology
  5. 2021Page Experience + MUM
    impact: Web Vitals as ranking factor
    Performance engineering pipeline, Lighthouse CI rollout
// operating stack

The platforms we run.

Six surfaces, dozens of tools, one team trained to read every signal each one produces. We don't pick favorites — we instrument everything.

Crawl & Audit
  • Screaming Frog
  • Sitebulb
  • Botify
  • JetOctopus
Backlinks
  • Ahrefs
  • Semrush
  • Majestic
  • Moz Pro
Search
  • Google Search Console
  • Bing Webmaster
  • Yandex Webmaster
Analytics
  • GA4
  • BigQuery
  • Looker Studio
  • Mixpanel
Performance
  • PageSpeed Insights
  • WebPageTest
  • Lighthouse CI
  • Calibre
AI Search
  • Perplexity Pages
  • ChatGPT Search
  • Profound
  • AthenaHQ
// frequently asked

Common questions

01On-page Analysis.
By analyzing individual pages and keywords using Google Analytics, Google Search Console (reviewing accelerated mobile pages), Core Web Vitals (reviewing page speed) and other keyword research tools, we create a detailed roadmap that is industry agnostic and fully-repeatable for ranking in search engines.
02Complete Content Audit.
Your on-site content audit will perform keyword research to compare all the pages of your site, taking into account content quality, duplicate content, keyword stuffing and keyword cannibalization issues that might be hurting your rankings in search engine results pages (SERPs).
03Holistic Backlink Audit.
Understand impact of site-wide and individual web pages with a comprehensive look at backlink diversity, link velocity, anchor text variability, TLD diversity, internal links and internal link structure.
04Determine Link-Worthy Assets.
We find the best content assets on your website, worthy of inbound mentions and backlinks. If you don't have any or your content is lacking, our editorial team can help to beef-up your content assets.
05Find Publishers that Match Your Strategy.
We source publishers with relevance and authority and pitch them content ideas that include backlinks and references back to your website.
06Write The Content.
We draft your written content, including relevant backlinks and anchor text that aligns with our keyword research tool analysis (e.g. title tags, meta tags, keyword density, etc.). We then get publisher approval to get the content published.
07Backlink Reporting.
You receive regular backlink reports included in your standard monthly SEO work reports.
08On-page Analysis.
By analyzing individual pages and keywords using Google Analytics, Google Search Console (reviewing accelerated mobile pages), Core Web Vitals (reviewing page speed) and other keyword research tools, we create a detailed roadmap that is industry agnostic and fully-repeatable for ranking in search engines.
09Complete Content Audit.
Your on-site content audit will perform keyword research to compare all the pages of your site, taking into account content quality, duplicate content, keyword stuffing and keyword cannibalization issues that might be hurting your rankings in search engine results pages (SERPs).
10Holistic Backlink Audit.
Understand impact of site-wide and individual web pages with a comprehensive look at backlink diversity, link velocity, anchor text variability, TLD diversity, internal links and internal link structure.
11Determine Link-Worthy Assets.
We find the best content assets on your website, worthy of inbound mentions and backlinks. If you don't have any or your content is lacking, our editorial team can help to beef-up your content assets.
12Find Publishers that Match Your Strategy.
We source publishers with relevance and authority and pitch them content ideas that include backlinks and references back to your website.
13Write The Content.
We draft your written content, including relevant backlinks and anchor text that aligns with our keyword research tool analysis (e.g. title tags, meta tags, keyword density, etc.). We then get publisher approval to get the content published.
14Backlink Reporting.
You receive regular backlink reports included in your standard monthly SEO work reports.
15On-page Analysis.
By analyzing individual pages and keywords using Google Analytics, Google Search Console (reviewing accelerated mobile pages), Core Web Vitals (reviewing page speed) and other keyword research tools, we create a detailed roadmap that is industry agnostic and fully-repeatable for ranking in search engines.
16Complete Content Audit.
Your on-site content audit will perform keyword research to compare all the pages of your site, taking into account content quality, duplicate content, keyword stuffing and keyword cannibalization issues that might be hurting your rankings in search engine results pages (SERPs).
17Holistic Backlink Audit.
Understand impact of site-wide and individual web pages with a comprehensive look at backlink diversity, link velocity, anchor text variability, TLD diversity, internal links and internal link structure.
// ready to engage

Ready to outrank the competition?

Get a tailored proposal from the team that's engineered search results for Fortune 500 companies, agencies, and startups since 2010.