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Technology · September 2026

Is JouwWeb ready for AI agents?

JouwWeb scores 39.7%, 5.4% above the web overall (34.3%).

Official website

Weak39.7%

AWCS

What “AWCS” measures and how

The figures the score is made of, each with its own series: a technology whose score is flat can still have moved on one dimension.

Measured on 108 pages, 100.0% of which carried the agentic category, with a confidence margin of ±5.10.

= −3.2
AWCS over the last 4 months

46.4%39.7%

Read

What Read measures

Lighthouse builds the accessibility tree an agent would traverse and scores the page pass or fail. The denominator is only the pages the audit could evaluate: a not-applicable result or an error is excluded rather than counted as a failure, and the fraction that could be evaluated is published beside it as the coverage.

n=108 · coverage 100.0% · margin ±5.10 pp.

40% of the score
Read on its full scale

Fair45.4%

Read: 4 months, no significant change= −4.6 pp
Stable

What Stable measures

Lighthouse's Cumulative Layout Shift audit, counted per page: a page passes when Lighthouse rates its layout shift as good. The denominator is the pages the audit scored. It matters to an agent that works the page the way a person does, by taking a screenshot and clicking where it saw a button: if the page has moved in between, it clicks something else.

n=108 · coverage 100.0% · margin ±5.10 pp.

25% of the score
Stable on its full scale

Excellent86.1%

Stable: 4 months, down▼ −5.6 pp
Guide

What Guide measures

The pages that pass the llms-txt audit: they serve a file and Lighthouse considers it valid. The denominator is every sampled page, so this is a fraction of the whole web and not of the sites that have a file. This is the figure the score uses, because a broken file does not guide an agent.

n=108 · coverage 100.0% · margin ±5.10 pp.

20% of the score
Guide on its full scale

Very poor0.0%

Guide: 4 months, no significant change= 0.0 pp
Act

What Act measures

A count, not a percentage: how many sampled sites register WebMCP tools that an agent can call. It is the audit that defines the Act dimension; the other WebMCP audits measure how good those tools are, not whether they exist.

n=108 · coverage 100.0% · margin ±5.10 pp.

15% of the score
Act on its full scale

Very poor0.0%

Act: 4 months, no significant change= 0.0 pp
Reachable

What Reachable measures

Read from the robots.txt of the sampled sites: of the AI agents we track, how many are not disallowed. It is gradual rather than a yes or no, because turning away one agent is not the same as turning away all of them. A site with no robots.txt blocks nobody, so it counts as fully reachable, and that is what was measured. This is the only figure that multiplies the score instead of adding to it, because it is a precondition: if an agent cannot fetch the page, nothing else about the page matters. One caveat: a blanket Disallow under User-agent: * is not counted, because the corpus-wide measurement cannot see it either, so both are measured the same way.

n=108 · coverage 100.0% · margin ±5.10 pp.

multiplies the rest
Reachable on its full scale

Excellent100.0%

Reachable: 4 months, no significant change= 0.0 pp

Measured but not scored

These signals are kept apart from the dimensions because, next to them, a low figure would read as a bad grade for something the score never counts.

68.5%
Lighthouse's category score

Lighthouse's category score

Sample
n=108
Coverage
100.0%

The score Lighthouse gives the Agentic Browsing category, read from the report as published. We republish it as a declared reference and never as a figure of ours: its weights are conditional and undocumented, and a number whose calculation we do not control is not one we cite as our own.

Lighthouse's category score: 4 months, no significant change= −4.1
0.0%
Sites with an AI crawler policy

Sites with an AI crawler policy

Sample
n=108
Coverage
100.0%

Not a Lighthouse audit: it is read from the robots.txt of the sampled sites, and counts the ones whose file names any of the AI crawlers we track. It measures having an explicit policy, whichever way it goes, and it does not count towards the score.

Sites with an AI crawler policy: 4 months, no significant change= 0.0 pp
2.8%
Sites serving an llms.txt

Sites serving an llms.txt

Sample
n=108
Coverage
100.0%

The same llms-txt audit as the figure below, read differently: this one counts the pages that serve something at /llms.txt, valid or not. The distance between the two figures is large, and it is the interesting part: of the pages that serve something, 40.2% serve a file that parses. We believe a good share of the rest are soft 404s, that is, a server answering 200 with an HTML error page, although we cannot check it because we do not fetch those files. So the figure to cite is the valid one below, and this one is best read as an upper bound. Pages whose audit errored are excluded from both, and the coverage says how many that was.

Sites serving an llms.txt: 4 months, no significant change= +2.8 pp

Compared with the rest of the CMS category

Every technology in this category with a published score (34), and the web overall for scale. JouwWeb is the highlighted bar.

Shopify
Shopify: 67.4%
67.4%
Wix
Wix: 58.8%
58.8%
Duda
Duda: 51.7%
51.7%
Lovable
Lovable: 49.1%
49.1%
Sanity
Sanity: 42.4%
42.4%
WebNode
WebNode: 42.4%
42.4%
Hatena Blog
Hatena Blog: 42.4%
42.4%
Tistory
Tistory: 41.3%
41.3%
GoDaddy Website Builder
GoDaddy Website Builder: 40.9%
40.9%
JouwWeb
JouwWeb: 39.7%
39.7%
Skolengo
Skolengo: 39.1%
39.1%
Weebly
Weebly: 36.2%
36.2%
All sites
All sites: 34.3%
34.3%
Webflow
Webflow: 33.1%
33.1%
Contentful
Contentful: 32.7%
32.7%
HubSpot CMS Hub
HubSpot CMS Hub: 31.9%
31.9%
Contao
Contao: 31.9%
31.9%
Backdrop
Backdrop: 31.8%
31.8%
Craft CMS
Craft CMS: 31.5%
31.5%
Framer Sites
Framer Sites: 30.9%
30.9%
Odoo
Odoo: 30.3%
30.3%
WordPress
WordPress: 30.2%
30.2%
Drupal
Drupal: 28.3%
28.3%
TYPO3 CMS
TYPO3 CMS: 27.9%
27.9%
Jimdo
Jimdo: 27.0%
27.0%
Tilda
Tilda: 26.4%
26.4%
OpenCart
OpenCart: 25.3%
25.3%
Joomla
Joomla: 24.8%
24.8%
Adobe Experience Manager
Adobe Experience Manager: 24.1%
24.1%
1C-Bitrix
1C-Bitrix: 19.6%
19.6%
Gnuboard
Gnuboard: 19.1%
19.1%
DNN
DNN: 18.9%
18.9%
PrestaShop
PrestaShop: 18.4%
18.4%
Magento
Magento: 17.6%
17.6%
Squarespace
Squarespace: 14.8%
14.8%
0%25%50%75%100%
Every technology in the CMS category that the census can publish, against the web overall (34.3%), on the full scale.

Every other figure this month

68.5%
Lighthouse's category score

Lighthouse's category score

Sample
n=108
Coverage
100.0%
0.0%
Sites with an AI crawler policy

Sites with an AI crawler policy

Sample
n=108
Coverage
100.0%
100.0%
Agents that can reach the site

Agents that can reach the site

Sample
n=108
Coverage
100.0%
45.4%
Pages an agent can parse

Pages an agent can parse

Sample
n=108
Coverage
100.0%
2.8%
Sites serving an llms.txt

Sites serving an llms.txt

Sample
n=108
Coverage
100.0%
86.1%
Pages that hold still

Pages that hold still

Sample
n=108
Coverage
100.0%
0.0%
Sites with a valid llms.txt

Sites with a valid llms.txt

Sample
n=108
Coverage
100.0%
0
Sites exposing tools

Sites exposing tools

Sample
n=108
Coverage
100.0%

How this was measured