Building this domain's report…
Global rank
AI visibility
SEO health
Visits
per month, estimated
Keywords
ranking in Google
Organic share
of all search traffic
LLMS.txt
lines AI engines can read
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Featured
Keywords & Content
Site & Competitors
Building this domain's report…
Global rank
AI visibility
SEO health
Visits
per month, estimated
Keywords
ranking in Google
Organic share
of all search traffic
LLMS.txt
lines AI engines can read
Global rank: Worldwide · 2026-08
#1,272,644
AI visibility: Grade A
82
SEO health: Latest audit
88
Visits
41
per month, estimated
Keywords
52
ranking in Google
Organic share
100%
41 organic visits
LLMS.txt
Published
141 lines AI engines can read
You're seeing the free preview of externals.io
A snapshot of how externals.io performs in search and in AI answers — every number below is one we hold, not a guess.
What this company does
externals.io takes the email discussions from PHP's internals mailing list and turns them into a readable web archive. The site collects messages from the official list and presents them in threaded views that anyone can scroll through or search without setting up an email subscription. It focuses on the back-and-forth about proposed changes, bug reports, and new features that eventually shape each PHP release, givin…
Our read on the site
The overall SEO health of externals.io is moderate with a performance score of 74/100 and a strong SEO score of 91/100. However, significant on-page and technical issues, including missing meta descriptions and a lack of H1 tags, present opportunities for improvement.
Month by month, how much search traffic this domain earns — how much of it is free, and whether it is winning or losing ground.
Monthly visits
41
Latest estimate
Change
No monthly history yet
It starts building from the first scan
Organic visits
41
100% of all traffic
Paid visits
Whether AI engines can read this brand, understand it, and cite it when someone asks about its category.
Grade A
Scored from this domain's own data — llms.txt, profile completeness, technical health, crawlability and structured data.
The file AI engines read to understand a business. This is what it currently tells them about this one.
Status
Published
AI engines can read it
Lines
141
In the file
Size
6.2K
Characters
Sections
12
The searches this domain already ranks for, and how much traffic they bring it.
Ranking keywords
52
Found in Google for this domain
Visits they bring
41
Estimated organic visits a month
No ranked-keyword data cached for this domain yet.
Ranked Keywords pulls the full list on its first run.
How the site itself performs — speed, accessibility and the technical basics both search crawlers and AI crawlers depend on.
Overall
SEO
Excellent
The websites this domain competes with for the same searches and the same AI answers.
The business behind the domain — what it does, where it is, and who runs it.
externals.io takes the email discussions from PHP's internals mailing list and turns them into a readable web archive. The site collects messages from the official list and presents them in threaded views that anyone can scroll through or search without setting up an email subscription. It focuses on the back-and-forth about proposed changes, bug reports, and new features that eventually shape each PHP release, givin…
Which markets this brand actually serves, and where the web links to it from.
We only measure visitor geography for domains whose analytics are connected to us. For everyone else this is read live from the web and shown as an estimate — never mixed in with the measured numbers.
No market breakdown available for this brand.
Measured. The country each linking site is hosted in — a real signal of which regions know this brand.
No backlink sample for this domain yet.
Backlink Analytics collects one on its first run.
Who vouches for this domain. Strong, varied links are still the clearest signal of authority — to search engines and to AI engines that cite sources.
We haven't run a backlink crawl for externals.io yet, so there are no link counts to show. Backlink Analytics builds the profile on its first run and it appears here after that.
—
links on file
Neighbours of #1,272,644 in our worldwide ranking — each with its own report.
You are looking at one domain. externals.io competes in a market, and the same numbers exist for everyone in it — including the sites AI engines recommend instead of yours. Amrut.ai reads all of them, so you can see who is winning, why, and what to change first.
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0
No paid search detected
100%
0%
We don't hold a month-by-month history for this domain yet.
The traffic dashboard builds one from the first scan onwards.
Present
6/8 core fields
91/100
robots ✗ · sitemap ✗
Detected
Fix these first
Updated Mar 1, 2026
# Externals - PHP Internals Tools and Resources ## About Externals is a pioneering company dedicated to enhancing the accessibility and functionality of PHP's internal structures. By bridging the gap between developers and PHP's core, Externals provides innovative tools and resources that empower developers to build robust applications. Their commitment to open-source principles and community engagement fosters a collaborative environment for PHP development worldwide. With a focus on optimizing PHP projects, Externals serves developers seeking to leverage the full potential of the language. **Areas of Work:** Software Development, Open Source, PHP Development ## Things to Remember - **Website:** https://externals.io - **Address:** San Francisco, United States - **Contact:** [email protected] - **Phone:** Not Available - **Hours:** Mon-Fri: 9AM-5PM - **Timezone:** America/Los_Angeles - **Currency:** USD - **Company Type:** Private - **Employees:** 50 employees - **Revenue:** Not Disclosed - **Hiring Status:** Yes, actively hiring ## Products - **PHP Internal Access Tools** (Contact for pricing): A suite of tools designed to provide developers with deep access to PHP internals for enhanced application development and debugging. - **Developer Community Resources** (Free): A comprehensive set of resources including documentation, forums, and guides to support PHP developers in
Sections in the file
Areas of work
Keywords it claims
Technologies
Performance
Accessibility
8 more recommendations, with the exact changes and the pages they apply to, are in the full report.
Products it tells AI about
Audience it targets
Developers, Software Engineers, Tech Companies · 18-45 · Global
Company type
Private · actively hiring