Transparency
Sources and method
This page states where every figure shown on web-consulting.fr comes from. Measurements are taken with Lighthouse 13.4.1 on the homepage, mobile profile then desktop, on 26 August 2026. Anyone can repeat the measurement and get close values: PageSpeed Insights runs on Google servers, so the score may vary by a few points.
- Official toolsLighthouse, PageSpeed Insights
- Reproducible methodCommands given below
- Dated measurementLast measured: 26 August 2026
Data
My key metrics
Measured with Lighthouse 13.4.1 on the homepage, mobile profile then desktop. These are lab measurements on a simulated connection: details and limits below.
web-consulting.fr
Check on PageSpeed Insights- Performance score 98/ 100 Mobile · Lighthouse
- Accessibility score 100/ 100 Mobile · Lighthouse
- Largest Contentful Paint 2.1 s Mobile · target ≤ 2.5 s
- Cumulative Layout Shift 0 Mobile · target ≤ 0.1
- Total Blocking Time 0 ms Mobile · target < 200 ms
- Indexable pages 179 URLs in the XML sitemap
Method
Measurement details
| Metric | Value | Reference |
|---|---|---|
| Lighthouse score (performance) | 98/100 mobile · 100/100 desktop | ≥ 90 (good) |
| Lighthouse score (accessibility) | 100/100 | ≥ 90 (good) |
| Largest Contentful Paint (LCP) | 2.1 s mobile · 0.6 s desktop | ≤ 2.5 s |
| Cumulative Layout Shift (CLS) | 0 | ≤ 0.1 |
| Total Blocking Time (TBT) | 0 ms | < 200 ms |
| Indexable pages | 179 | Count of loc tags in the sitemap |
| Sites online in portfolio | 20 (including 8 demos) | See the portfolio |
Reference thresholds: web.dev (Core Web Vitals) and Lighthouse documentation.
Tools
Tools and versions
- Google Lighthouse
- 13.4.1, command line
- PageSpeed Insights
- Public verification
- Mobile profile
- Default Lighthouse emulation
- Mobile network
- Simulated slow 4G
- Desktop profile
- Lighthouse desktop preset
- Indexable pages
- Checked on every build
Quick guide
How to reproduce the measurement
These commands produce the values in the table above. Node.js required, nothing permanently installed.
npx lighthouse@13.4.1 https://web-consulting.fr/ \ --form-factor=mobile --screenEmulation.mobile \ --only-categories=performance,accessibility,best-practices,seo \ --chrome-flags="--headless=new" --output=jsonnpx lighthouse@13.4.1 https://web-consulting.fr/ \ --preset=desktop --chrome-flags="--headless=new" --output=jsoncurl -s https://web-consulting.fr/sitemap-0.xml | grep -o '<loc>' | wc -lThe page count is checked automatically on every publication: if it diverges from the real sitemap, the release fails.
References
What I quote
The figures below are not mine: I quote them from third-party studies. I name the issuer so you can judge: a borrowed figure is worth what its author is worth.
- 46.1%
- of comments about a site's credibility were about its visual design (2,684 participants) Fogg et al., Stanford Persuasive Technology Lab (2003)
- 53%
- of mobile visits are abandoned when a page takes more than 3 seconds to load Google / DoubleClick (2016)
- 32%
- increase in bounce probability when load time goes from 1 to 3 seconds Google / SOASTA (2017)
Transparency
What I do not claim
- No field dataLighthouse scores are lab measurements on a simulated connection. They do not replace CrUX field data, which web-consulting.fr does not yet have enough traffic to feed.
- Accessibility partly testedThe accessibility score is automated: it covers only part of the RGAA criteria. See the accessibility statement.
- Demos, not clientsThe portfolio count includes demonstrations, labelled as such on each page. They are not client commissions.
- No traffic figuresNo traffic, conversion or average-position figure is displayed on this site: I do not yet have a long enough series for them to mean anything.
- Not a site written without AIBenjamin M. uses AI as an assistant for everything: writing, translation and code. That is what keeps prices low without hiring. Figures taken from third-party studies are listed above with their source; if you spot an error, report it to contact@web-consulting.fr.
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