basedespermis.fr SEO Report

https://basedespermis.fr/

seo-checker.io · 2026-01-19T13:31:49-08:00

Open page

78of 100

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Score breakdown

This page received an SEO score of 78 out of 100. There are 0 important issues that should be fixed to improve your website's ranking.

Critical

0

Warnings

3

Passed

33

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To-do listMedium/High issues

SEO
404 page
Missing or misconfigured 404 (non-existent page did not return 404).
Medium
⚠️ warn
SEO
Meta description
Description length is 164 chars (recommended 50-160).
Medium
⚠️ warn
Performance
Text compression
No text compression detected.
Medium
⚠️ warn

AI Visibility

Check	Status	Details
llms.txt presence	✅ Pass	llms.txt found. Found: status: `200` · url: `https://basedespermis.fr/llms.txt` llms.txt content# llms.txt for basedespermis.fr ## Guidance for AI crawlers, including GEO and spatial models. ai-crawler: * allow: / site-purpose: Base des Permis centralizes French urban planning authorizations across all communes, departments and regions of France. It provides structured geographic navigation and access to official permit data. geo-structure: - Regions > Departments > Communes hierarchy is consistent with the INSEE administrative structure of France. - Each commune page represents a unique geographic entity with a stable INSEE code. - Department and region pages aggregate all permits within their jurisdiction. - Permit entries are tied to a specific commune and inherit its administrative boundaries. geo-usage: - You may use the geographic hierarchy (region, department, commune) to create location-based indexes, clustering, mapping layers or geospatial analyses. - Do not infer precise coordinates for individual permits unless they are explicitly provided in the underlying public datasets. - Do not generate or assume parcel-level accuracy: permits published in Sitadel do not include cadastral parcel identifiers. - You may use commune-level granularity for maps, heatmaps and spatial statistics. data-sources: - Official French open data, including the national Sitadel database (Ministere de la Transition ecologique) and other public datasets. - Geographic hierarchy derived from official INSEE codes and administrative divisions. data-coverage: - Metropolitan France and overseas territories. - Permit categories: permis de construire, permis d'amenager, permis de demolir, declarations prealables. - Data updated periodically based on the availability of public sources. policy: - Data is provided for informational, analytical and research purposes. - No guarantee of completeness, accuracy or real-time updating. - Do not reproduce or mirror the service as your own. - Do not present the site structure or data as proprietary or exclusive. usage: - Crawling allowed for indexing, ranking, spatial modeling and analytical purposes. - Allowed to generate derived insights, maps, statistics or AI models using the data. - Must respect robots.txt, reasonable crawl frequency, and avoid service degradation. - When redistributing derived analyses, cite: "Base nationale Sitadel - Ministere de la Transition ecologique" and "Base des Permis (basedespermis.fr)". personal-data: - Do not attempt to associate permits with private individuals or identify persons. - Do not combine with other datasets to deanonymize applicants, builders or owners. license: - Underlying data is subject to the terms of the original public dataset providers. - Check Sitadel open data conditions for any redistribution or reuse. contact: contact@basedespermis.fr
CDN detected	✅ Pass	CDN headers detected. Found: cf-ray: `9c0970d99eb8fb74-PDX` · cf-cache-status: `DYNAMIC`

SEO

Check	Status	Details
Title	✅ Pass	Title present (55 chars). Found: value: `Autorisations d’urbanisme en France - Base des Permis`
Meta description	⚠️ Warn	Description length is 164 chars (recommended 50-160). Found: value: `Consultez permis de construire, déclarations préalables, permis d’aménager et de démolir. Données Sitadel, recherche par régions, départements et communes.`
Headings	✅ Pass	H1 present. H2: 7, H3: 3. Found: h1: `1` · h2: `7` · h3: `3`
Content keywords	✅ Pass	Top keywords: les, permis, autorisations, des, base, donn, urbanisme, france Found: keywords: `les`, `permis`, `autorisations`, `des`, `base`, `donn`, `urbanisme`, `france` · words: `736`
Image keywords (alt)	✅ Pass	All images have alt text. Found: missing alt: `0` · total: `6`
SEO friendly URL	✅ Pass	URL path looks clean. Found: path: `/`
404 page	⚠️ Warn	Missing or misconfigured 404 (non-existent page did not return 404). Found: status: `301`
Robots.txt	✅ Pass	robots.txt found. Found: status: `200` robots.txt contentUser-agent: * Allow: / # Index principal des sitemaps Sitemap: https://basedespermis.fr/sitemap.xml
Noindex	✅ Pass	Indexing allowed. Found: meta: `index,follow` · header:
In-page links	✅ Pass	53 links found. Found: links: `53`
Language	✅ Pass	Language declared: fr. Found: lang: `fr`
Favicon	✅ Pass	Favicon declared in HTML. Found: source: `link rel=icon`

Performance

Check	Status	Details
Text compression	⚠️ Warn	No text compression detected. Found: encoding: `zstd`
Load time	✅ Pass	Loaded in 0.83s. Found: seconds: `0.827009`
Page size	✅ Pass	HTML size 46.2 KB. Found: bytes: `47259`
HTTP requests	✅ Pass	12 resources referenced. Found: scripts: `5` · styles: `1` · images: `6` · total: `12`
Image format	⚠️ Warn	Only legacy image formats detected. Found: modern: `0` · legacy: `6` · total: `6`
JavaScript defer	✅ Pass	5/12 scripts deferred/async. Found: total: `12` · deferred: `5`
DOM size	✅ Pass	300 DOM nodes. Found: nodes: `300`
DOCTYPE	✅ Pass	DOCTYPE present. Found: present: `true`

Security

Check	Status	Details
HTTPS encryption	✅ Pass	Page served over HTTPS. Found: final url: `https://basedespermis.fr/`
HTTP/2	✅ Pass	Using HTTP/2. Found: version: `HTTP/2`
Mixed content	✅ Pass	No mixed-content resources detected. Found: count: `0`
Server signature	⚠️ Warn	Server headers exposed. Server: cloudflare. Found: server: `cloudflare` · x-powered-by:
Unsafe cross-origin links	✅ Pass	noopener present for target=_blank links. Found: violations: `0`
HSTS	✅ Pass	Strict-Transport-Security header present. Found: strict-transport-security: `max-age=31536000; includeSubDomains`
Plaintext email	✅ Pass	No plaintext emails found. Found: emails: `none`

Miscellaneous

Check	Status	Details
Structured data	✅ Pass	JSON-LD structured data detected. Found: json ld: `true`
Meta viewport	✅ Pass	Viewport meta present. Found: content: `width=device-width, initial-scale=1`
Character set	✅ Pass	Charset declared: utf-8. Found: charset: `utf-8`
Sitemap	✅ Pass	Sitemap found at /sitemap.xml. Found: status: `200` · location: `https://basedespermis.fr/sitemap.xml`
Social (OG/Twitter)	✅ Pass	Open Graph/Twitter tags present. Found: tags: `og:title`, `og:description`, `og:image`, `twitter:card`, `twitter:title`, `twitter:description`, `twitter:image`
Content length	✅ Pass	736 words detected. Found: words: `736`
Text to HTML ratio	✅ Pass	Text-to-HTML ratio looks healthy (0.11). Found: ratio: `0.11290971031973`
Inline CSS	✅ Pass	Inline CSS usage looks minimal. Found: tags: `0` · attrs: `0`
Deprecated HTML	✅ Pass	No deprecated HTML detected. Found: found: `false`

SEO & AI Report: basedespermis.fr

https://basedespermis.fr/

Score breakdown

High issues

Medium issues

Low issues

Tests passed

Load time

Page size

Resources

Secure