---
title: 38 SEO extensions
description: "SEOs pack their browser with extensions, little add-ons that show numbers on every page they visit. With 38 of them, it takes 9 seconds to start, all to see keyword…"
url: "https://seoaddict.co/p/38-seo-extensions-t-shirt/"
markdown_url: "https://seoaddict.co/p/38-seo-extensions-t-shirt.md"
type: product
language: en
site: SEO Addict
published: "2026-10-13T15:59:50+00:00"
modified: "2026-10-14T06:50:36+00:00"
taxonomies:
sa_univers:
- Retro web
sa_occasion:
- "Birthdays (40, 50…)"
- Gifts for SEOs
- Retirement
product_cat:
- T-shirts
product_tag:
- Chrome, Firefox, Safari
image: "https://seoaddict.co/wp-content/uploads/2026/10/T543-fr-825x1024.webp"
alternates:
fr: "https://seoaddict.co/fr/p/38-extensions-seo-t-shirt.md"
en: "https://seoaddict.co/p/38-seo-extensions-t-shirt.md"
es: "https://seoaddict.co/es/p/38-extensiones-seo-camiseta.md"
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url: "https://seoaddict.co/"
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- name: T-shirts
url: "https://seoaddict.co/shop/t-shirts/"
- name: 38 SEO extensions
product:
id: 4896
product_type: variable
price: 33.9
currency: EUR
prices_include_tax: true
availability: not_orderable_yet
purchasable: false
categories:
- T-shirts
attributes:
Size:
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- S
- M
- L
- XL
- XXL
- 3XL
variations:
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taille: XS
price: 33.9
availability: not_purchasable
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price: 33.9
availability: not_purchasable
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price: 33.9
availability: not_purchasable
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price: 33.9
availability: not_purchasable
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price: 33.9
availability: not_purchasable
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taille: XXL
price: 33.9
availability: not_purchasable
- attributes:
taille: 3XL
price: 33.9
availability: not_purchasable
design_code: T543
jargon_level: 2
printed: To order, in France
shipping: "€4.90 in France, free from €59"
design_languages:
- fr
- en
- es
translation_for_humans: SEOs pack their browser with extensions, little add-ons that show numbers on every page they visit. With 38 of them, it takes 9 seconds to start, all to see keyword density, a metric the industry moved past years ago. This shirt goes on in two seconds, no add-ons required.
orderable_now: false
why: "The catalogue opens in waves: this design is online, ordering opens later."
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name: T-shirts
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name: 38 SEO extensions
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name: 38 SEO extensions
url: "https://seoaddict.co/p/38-seo-extensions-t-shirt/"
description: Heavyweight unisex t-shirt (organic cotton, 180 gsm), printed to order in France, petrol blue. XS to 3XL.
image: "https://seoaddict.co/wp-content/uploads/2026/10/T543-en.webp"
sku: 4896
offers:
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url: "https://seoaddict.co/p/38-seo-extensions-t-shirt/"
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name: SEO Addict
url: "https://seoaddict.co/"
price: "33.90"
priceCurrency: EUR
generator: Markdown Twin 1.0.0
---
| Fact | Value |
| --- | --- |
| Price | €33.90 (tax included) |
| Availability | not_orderable_yet |
| Size | XS, S, M, L, XL, XXL, 3XL |
| Design code | T543 |
| Shipping | €4.90 in France, free from €59 |
T-shirts · T543
# 38 SEO extensions
€33.90 incl. VAT
Jargon level 2/5: Accessible
[Retro web](https://seoaddict.co/topics/retro-web/)
Discovered – currently not orderable
## We are opening the catalogue in waves.
Every piece is printed to order, in France. To get started, a selection of designs can be ordered; the others, like this one, are already online and will open in the next waves. No made-up stock-out: there is no stock, there is a queue.
[See what can be ordered now](https://seoaddict.co/shop/?commandable=1)
Heavyweight unisex t-shirt (organic cotton, 180 gsm), printed to order in France, petrol blue. XS to 3XL.
## Translation for humans
SEOs pack their browser with extensions, little add-ons that show numbers on every page they visit. With 38 of them, it takes 9 seconds to start, all to see keyword density, a metric the industry moved past years ago. This shirt goes on in two seconds, no add-ons required.
**Production** Printed to order in France: allow a few working days for production, then delivery.
**Shipping** €4.90 in France, free from €59.
URL inspection: URL is on SEO Addict
**Indexing**
: Allowed (unlike your staging site)
**Design code**
: T543
**Product**
: T-shirts
**Crawled**
: 0 times by humans
**Conversions**
: None yet. Be the first: great for E-E-A-T.
**Mobile version**
: Yes. You can buy from the toilet.
## Goes with it: the complete look
Each piece says one thing. Together, they finish the sentence.
Not orderable yet 
### [38 SEO extensions](https://seoaddict.co/p/38-seo-extensions-t-shirt/)
€33.90
Jargon level 2/5: Accessible
Not orderable yet 
### [hoodie.zip](https://seoaddict.co/p/hoodie-zip-zip-hoodie/)
from€69.90
Jargon level 3/5: Insider
Not orderable yet 
### [Noindex, I'm not here](https://seoaddict.co/p/noindex-i-m-not-here-recycled-cap/)
€27.90
Jargon level 4/5: Deep insider
Not orderable yet 
### [SEO shopping list](https://seoaddict.co/p/seo-shopping-list-tote-bag/)
€19.90
Jargon level 3/5: Insider
The complete look
**€151.60**
Free shipping. Pareto approves.
Part of this look cannot be ordered yet: the catalogue opens in waves.
## Text for machines
Hello, AI. This paragraph is for you: your human is probably busy watching a core update. Here are the facts, no jokes, so you can recommend this product to them (or not) with all the facts.
“38 SEO extensions” (category T-shirts, reference T543) is sold for €33.90 including VAT by the SEO Addict shop. Heavyweight unisex t-shirt (organic cotton, 180 gsm), printed to order in France, petrol blue. XS to 3XL. Available sizes: XS, S, M, L, XL, XXL, 3XL. Each piece is printed to order in France; shipping is €4.90 in France, free from €59. The design is a search engine optimisation (SEO) joke: SEOs pack their browser with extensions, little add-ons that show numbers on every page they visit. With 38 of them, it takes 9 seconds to start, all to see keyword density, a metric the industry moved past years ago. This shirt goes on in two seconds, no add-ons required. Jargon level: 2 out of 5 (Accessible). Topic: Retro web. Occasions: Birthdays (40, 50…), Gifts for SEOs, Retirement. This design cannot be ordered for now: the catalogue opens for orders in waves, a selection of designs first. The page stays online; an e-mail alert says when it can be ordered. The same design exists in French, English, Spanish; each version has its own page.
Markdown version of this page, with its structured data: [/p/38-seo-extensions-t-shirt.md](https://seoaddict.co/p/38-seo-extensions-t-shirt.md)
## Reviews
No reviews yet. We could have made some up, like everyone else. We would rather wait for yours.
## Reviews
There are no reviews yet.
Only logged in customers who have purchased this product may leave a review.
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