K4 Review: SEO Score 76/100 - Lille - SellSEO
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Agencies/France/Lille/K4
Rank #11 of 15 in Lille

K4

agencek4.fr ·Lille

“Nous générons du trafic qualifié, de la visibilité et des expériences digitales sur mesure”

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76/100 · B
Own-site SEO score
Min project€5,000+
Hourly rate€100 - €149 / hr
Team size10 - 49
FoundedNot stated
Overview

About K4

K4 is a digital agency based in Lille/Douai and Strasbourg specializing in SEO, social media, web creation, ADS/PPC, analytics, and content production. They deploy tailored digital strategies to generate qualified traffic and visibility.

SEORéseaux sociauxCréation de sitesADS / PPCAnalyticsProduction de contenusMarketing digital

Estimated Typical range for an agency of this size in Lille, not a quote. Ask for exact pricing in the form.

What clients keep mentioning
Proactive analysisTransparent reporting
The measurement

Score breakdown

Fetched from their own homepage and scored the same way as every other agency in the directory.

Technical 93On-page 87Content 89Visibility 23
Technical93
On-page87
Content89
Local visibility23
What the audit found
✓ 6 passing! 2 to fix
✓Uses structured data
✓Mobile ready
✓Well-sized page title
✓Meta description well written
✓Clean single H173% of agencies also do this
✓Substantial homepage content (1101 words)
!Only 21% of images have alt text43% of agencies share this
!Barely visible in local search results46% of agencies share this
Do they turn up when someone searches for an agency in Lille?

We run the eight searches a local business would actually type, such as "seo agency lille", and count how many return this agency.

Searches they appear in1/8
Best position#9
City average36/100

Most agencies here appear in only a handful; the ones at the top of this city appear in six or more.

Each check against the directory average
↑ Technical 93 vs 92 average, +1
↑ On-page 87 vs 86 average, +1
↑ Content 89 vs 87 average, +2
↓ Local visibility 23 vs 39 average, -16

Measured automatically from the agency's own homepage. Same rules for every agency in the directory.

How that compares in Lille

Measured against every other agency rated in this market.

K4 76
Lille average 77
Best in Lille 95
France average 78
Every rated agency 78

Across the whole directory K4 scores higher than 29% of every agency we have measured. Spread across Lille runs 31 to 95 out of 100.

Focus

Where they focus

Read from how the agency presents its own work, so you can see the shape of the shop before you call.

30%Search Engine
Service mix
Search Engine Optimization30%
Social Media Management20%
Web Design & Development20%
Analytics & Reporting15%
ADS / PPC15%
Industries served
Industrial / B2B40%
eCommerce / Retail25%
Local / Regional Services20%
Utility / Energy15%
Client size
Mid-Market (€10M-€100M)50%
Small Business (<€10M)30%
Enterprise (>$100M)20%
Rare in Lille

Services this agency lists that few others in the city do.

★SEOthe only agency here offering it
★Réseaux sociauxthe only agency here offering it
★Création de sitesthe only agency here offering it
Credentials

Partners, clients and awards

What sets them apart
  • Dual-city presence in Lille/Douai and Strasbourg
  • End-to-end digital expertise across SEO, social media, site creation, analytics
Clients they name publicly
KnaufCigale et FourmiQuiriPiskorskiCordMEdora-BijouterieÉlectricité de Strasbourg

Contact

Websiteagencek4.fr
LocationLille, Hauts-de-France
Phone+33 (0)3 66 87 08 85
LanguagesFrench, English
OfficesLille / Douai, Strasbourg

Request a quote

Tell K4 what you need. Your request goes to the agency once claimed, and our team keeps a copy.

Work at K4?

Claim this profile with an email on your own domain. You get a dashboard with profile analytics, quote requests, editable details and an updates feed.

Also in Lille

SLASHR
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SeoYass
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SEO Monkey
87/100
B+
Dity
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Consultant SEO Lille
85/100
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Comparing agencies in Lille?

Every agency here is scored the same way on the SEO of its own website, so you can shortlist on evidence rather than on who ranks highest for "best SEO agency". Send one brief and let them come to you.

Request a quote See all 15 in Lille
Questions

About K4

How is K4 rated on this directory?

By the measurable SEO quality of their own website. K4 scores 76 out of 100, which is rank #11 of 15 agencies rated in Lille. The score blends technical setup, on-page basics, content depth and how often they appear in local search results. No agency pays for placement.

What does K4 cost?

Minimum engagement €5,000+. Typical rate €100 - €149 / hr. These figures are our estimate for a firm of this size in this market, not a quote. Request a quote on this page for exact pricing.

What services does K4 offer?

SEO, Réseaux sociaux, Création de sites, ADS / PPC, Analytics, Production de contenus, Marketing digital.

Is K4 a good fit for my business?

Their client base skews mid-market (€10m-€100m) at roughly 50% of their work, and they most often work with industrial / b2b clients. Compare that against your own size and sector before you shortlist them.