The verdict in three sentences
For an institutional site, the mistake is to launch a redesign without a diagnosis: you pay to redo what already worked. A performance audit (150,000 to 400,000 DZD in Algiers in 2026) measures speed, accessibility and SEO, then points to targeted optimization or a full redesign (800,000 to 2,500,000 DZD). The rule: above a Lighthouse score of 60, optimize; below 40 with heavy debt, rebuild.
Audit first: what it measures
A serious institutional audit covers four axes, each scored and prioritized. It delivers a costed roadmap, not just a report.
| Axis audited | What's measured | 2026 target |
|---|---|---|
| Performance | LCP, INP, CLS, page weight | Lighthouse > 90 |
| Accessibility | WCAG 2.1 AA, contrast, ARIA | AA compliance |
| Technical SEO | Indexing, tags, structure | No blocking errors |
| Security | Headers, HTTPS, dependencies | No critical flaw |
The audit takes 2 to 3 weeks and its cost (150,000-400,000 DZD) is often deducted from the redesign budget if it leads to a build.
Deciding by audit score
The diagnosis dictates the decision. Here is the 2026 grid linking score, action and DZD budget.
| Lighthouse score | State | Action | DZD budget | Timeline |
|---|---|---|---|---|
| 80-100 | Healthy | Fine-tuning | 150,000-300,000 | 2-3 wks |
| 60-79 | Improvable | Targeted optimization | 300,000-600,000 | 4-6 wks |
| 40-59 | Fragile | Heavy optimization or redesign | 600,000-1,200,000 | 6-10 wks |
| < 40 | Obsolete | Full redesign | 800,000-2,500,000 | 8-14 wks |
A full redesign of an institutional site (multilingual, CMS, AA accessibility) ranges from 800,000 to 2,500,000 DZD depending on page count and integrations.
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Mini case study
Leila, communications director of a public company in Algiers, hesitates to commit 2,000,000 DZD to a redesign. She first orders an audit at 300,000 DZD. Verdict: Lighthouse score 58, non-compliant accessibility, but structure and CMS still sound.
Rather than a 2,000,000 DZD redesign, the audit recommends a targeted optimization at 750,000 DZD over 6 weeks: score raised to 92, AA compliance reached. Leila saves 1,250,000 DZD and 8 weeks while hitting the same performance and compliance goals. The audit proved its value at the very first decision.
FAQ
How much does a performance audit cost in Algiers in 2026? From 150,000 to 400,000 DZD depending on site size and depth (performance, accessibility, SEO, security). It is often deductible from the redesign budget.
When should I rebuild rather than optimize? When the Lighthouse score is below 40 with heavy tech debt, or when the structure and CMS are obsolete. Otherwise, optimization suffices.
How much does a full institutional redesign cost? Between 800,000 and 2,500,000 DZD depending on page count, multilingual scope and integrations. AA accessibility is part of the scope.
Why aim for a Lighthouse score above 90? Because it drives ranking, accessibility and the credibility expected of an institution. It is a standard, not a luxury.
Is accessibility mandatory? For an institutional or public site, WCAG 2.1 AA compliance is expected and often required. The audit checks it point by point.
Let's scope your project. Send us the URL and your constraints (multilingual, accessibility, deadlines): we run an audit then frame optimization or redesign with an indicative DZD budget. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
