Update SEO 2011-10-05-symfony2-ce-qui-change.md

[Cindyvlv]

No description provided.

[github-actions]

⚡️🏠 Lighthouse report

Here's the summary:

Path	Performance	Accessibility	Best practices	SEO	PWA
/Cindyvlv-patch-1/	🟢 91	🟢 90	🟠 83	🟢 92	🟠 50
/Cindyvlv-patch-1/fr/authors/ajacquemin/	🟠 70	🟢 90	🟠 83	🟢 92	🟠 50
/Cindyvlv-patch-1/fr/comment-construire-site-web-avec-nextjs/	🟠 72	🟠 80	🟠 83	🟢 100	🟠 50
/Cindyvlv-patch-1/fr/nestjs-le-cycle-de-vie-dune-requete/	🟠 85	🟠 80	🟠 83	🟢 97	🟠 50

Here's the audits:

Path	FCP 1800 <=	LCP 2500 <=	Speed Index 3400 <=	TTI 3800 <=	TBT 200 <=	CLS 0.1 <=
/Cindyvlv-patch-1/	🔴 2270	🟢 2365	🟢 2270	🔴 4668	🟢 14	🔴 0.12
/Cindyvlv-patch-1/fr/authors/ajacquemin/	🔴 2262	🔴 6919	🟢 2383	🔴 4449	🟢 16	🟢 0.01
/Cindyvlv-patch-1/fr/comment-construire-site-web-avec-nextjs/	🔴 2402	🟢 2402	🟢 2450	🔴 4741	🟢 14	🟢 0.03
/Cindyvlv-patch-1/fr/nestjs-le-cycle-de-vie-dune-requete/	🔴 2416	🔴 3206	🟢 2416	🔴 4597	🟢 15	🟢 0.04