CNC Lighthouse · February 2026 · monthly review

Incident

February 2026: 30 sites have been in sustained incident across every observed week.

Portfolio
Tests run
4489
across 4 observed weeks
Avg pass rate
14.0%
tests-weighted
Recurring offenders
66
flagged in 2+ weeks
Sustained incidents
30
critical every week
Pass-rate trend 4 weeks
0% February 2026 100%
Recurring offenders 66
Abeceda Zahrady HomePage
abecedazahrady.dama.cz
critical

LCP 4.36s (critical, >4s)

Flagged 4 of 4 observed weekly snapshots
Blesk Static Article 2
blesk.cz
critical

TBT 812ms (critical, >600ms)

Flagged 4 of 4 observed weekly snapshots
Dama HomePage
dama.cz
critical

TBT 622ms (critical, >600ms)

Flagged 4 of 4 observed weekly snapshots
Dama Static Article 1
dama.cz
critical

LCP 5.82s (critical, >4s)

Flagged 4 of 4 observed weekly snapshots
Food Piknik HomePage
food-piknik.cz
critical

Performance 26 (critical, <30)

Flagged 4 of 4 observed weekly snapshots
HeyFomo Static Article 1
heyfomo.cz
critical

TBT 802ms (critical, >600ms)

Flagged 4 of 4 observed weekly snapshots
HeyFomo Static Article 3
heyfomo.cz
critical

TBT 671ms (critical, >600ms)

Flagged 4 of 4 observed weekly snapshots
Hodina Dějepichu HomePage
hodinadejepichu.cz
critical

Performance 28 (critical, <30)

Flagged 4 of 4 observed weekly snapshots
iHNed.cz (Competitor) HomePage
ihned.cz
critical

LCP 7.85s (critical, >4s)

Flagged 4 of 4 observed weekly snapshots
Isport Static Article 1
isport.blesk.cz
critical

Performance 47 (moderate, <50)

Flagged 4 of 4 observed weekly snapshots
Isport Static Article 2
isport.blesk.cz
critical

Performance 46 (moderate, <50)

Flagged 4 of 4 observed weekly snapshots
Isport Static Article 3
isport.blesk.cz
critical

TBT 1837ms (critical, >600ms)

Flagged 4 of 4 observed weekly snapshots
Lide a Zeme Static Article 3
lideazeme.cz
critical

LCP 7.41s (critical, >4s)

Flagged 4 of 4 observed weekly snapshots
Liga Naruby HomePage
liganaruby.cz
critical

Performance 17 (critical, <30)

Flagged 4 of 4 observed weekly snapshots
Maminka Static Article 1
maminka.cz
critical

LCP 4.79s (critical, >4s)

Flagged 4 of 4 observed weekly snapshots
Mobilmania HomePage
mobilmania.zive.cz
critical

CLS 0.283 (critical, >0.25)

Flagged 4 of 4 observed weekly snapshots
Moje Psychologie Static Article 1
mojepsychologie.cz
critical

LCP 4.07s (critical, >4s)

Flagged 4 of 4 observed weekly snapshots
Mojezdravi Static Article 1
mojezdravi.cz
critical

LCP 3.72s (severe, >3.5s)

Flagged 4 of 4 observed weekly snapshots
Mojezdravi Static Article 3
mojezdravi.cz
critical

LCP 4.03s (critical, >4s)

Flagged 4 of 4 observed weekly snapshots
NON-CNC Extra HomePage
extra.cz
critical

TBT 696ms (critical, >600ms)

Flagged 4 of 4 observed weekly snapshots
NON-CNC Extra Static Article 1
extra.cz
critical

TBT 674ms (critical, >600ms)

Flagged 4 of 4 observed weekly snapshots
NON-CNC Extra Static Article 2
extra.cz
critical

TBT 753ms (critical, >600ms)

Flagged 4 of 4 observed weekly snapshots
NON-CNC Extra Static Article 3
extra.cz
critical

TBT 1041ms (critical, >600ms)

Flagged 4 of 4 observed weekly snapshots
NON-CNC Tyden HomePage
tyden.cz
critical

CLS 0.241 (severe, >0.2)

Flagged 4 of 4 observed weekly snapshots
NON-CNC Tyden Static Article 1
tyden.cz
critical

CLS 0.594 (critical, >0.25)

Flagged 4 of 4 observed weekly snapshots
NON-CNC Tyden Static Article 2
tyden.cz
critical

CLS 0.624 (critical, >0.25)

Flagged 4 of 4 observed weekly snapshots
NON-CNC Tyden Static Article 3
tyden.cz
critical

CLS 0.277 (critical, >0.25)

Flagged 4 of 4 observed weekly snapshots
Pro Ukrajinu HomePage
proukrainu.blesk.cz
critical

LCP 4.77s (critical, >4s)

Flagged 4 of 4 observed weekly snapshots
Prozeny Static Article 1
prozeny.blesk.cz
critical

Performance 49 (moderate, <50)

Flagged 4 of 4 observed weekly snapshots
Reflex HomePage
reflex.cz
critical

LCP 27.86s (critical, >4s)

Flagged 4 of 4 observed weekly snapshots
Reflex Static Article 1
reflex.cz
critical

TBT 639ms (critical, >600ms)

Flagged 4 of 4 observed weekly snapshots
Reflex Static Article 2
reflex.cz
critical

Performance 39 (severe, <40)

Flagged 4 of 4 observed weekly snapshots
Reflex Static Article 3
reflex.cz
critical

Performance 31 (severe, <40)

Flagged 4 of 4 observed weekly snapshots
Samsungmania HomePage
samsungmania.mobilmania.zive.cz
critical

CLS 0.424 (critical, >0.25)

Flagged 4 of 4 observed weekly snapshots
TV Blesk Static Article 1
tv.blesk.cz
critical

LCP 6.57s (critical, >4s)

Flagged 4 of 4 observed weekly snapshots
TV Blesk Static Article 2
tv.blesk.cz
critical

LCP 6.58s (critical, >4s)

Flagged 4 of 4 observed weekly snapshots
TV Blesk Static Article 3
tv.blesk.cz
critical

LCP 6.91s (critical, >4s)

Flagged 4 of 4 observed weekly snapshots
Zbozi Dama HomePage
zbozi.dama.cz
critical

CLS 0.289 (critical, >0.25)

Flagged 4 of 4 observed weekly snapshots
Zive Static Article 2
zive.cz
critical

LCP 2.66s (moderate, >2.5s)

Flagged 4 of 4 observed weekly snapshots
Ahaonline HomePage
ahaonline.cz
critical

Performance 34 (severe, <40)

Flagged 3 of 4 observed weekly snapshots
Ahaonline Main Article
ahaonline.cz
critical

TBT 890ms (critical, >600ms)

Flagged 3 of 4 observed weekly snapshots
Blesk Static Article 1
blesk.cz
critical

TBT 1240ms (critical, >600ms)

Flagged 3 of 4 observed weekly snapshots
DigiArena HomePage
digiarena.zive.cz
critical

TBT 822ms (critical, >600ms)

Flagged 3 of 4 observed weekly snapshots
Doupě HomePage
doupe.zive.cz
critical

TBT 1075ms (critical, >600ms)

Flagged 3 of 4 observed weekly snapshots
E15 HomePage
e15.cz
critical

TBT 620ms (critical, >600ms)

Flagged 3 of 4 observed weekly snapshots
E15 Static Article 2
e15.cz
critical

LCP 6.78s (critical, >4s)

Flagged 3 of 4 observed weekly snapshots
E15 Static Article 3
e15.cz
critical

LCP 7.37s (critical, >4s)

Flagged 3 of 4 observed weekly snapshots
HeyFomo HomePage
heyfomo.cz
critical

LCP 3.77s (severe, >3.5s)

Flagged 3 of 4 observed weekly snapshots
Hobby Blesk HomePage
hobby.blesk.cz
critical

TBT 1316ms (critical, >600ms)

Flagged 3 of 4 observed weekly snapshots
Isport HomePage
isport.blesk.cz
critical

TBT 623ms (critical, >600ms)

Flagged 3 of 4 observed weekly snapshots
Moje Psychologie Static Article 3
mojepsychologie.cz
severe

LCP 3.79s (severe, >3.5s)

Flagged 3 of 4 observed weekly snapshots
Mojezdravi Static Article 2
mojezdravi.cz
critical

CLS 0.269 (critical, >0.25)

Flagged 3 of 4 observed weekly snapshots
NON-CNC Super HomePage
super.cz
critical

LCP 4.51s (critical, >4s)

Flagged 3 of 4 observed weekly snapshots
Prozeny Static Article 3
prozeny.blesk.cz
critical

TBT 764ms (critical, >600ms)

Flagged 3 of 4 observed weekly snapshots
Ahaonline Static Article 3
ahaonline.cz
critical

LCP 4.21s (critical, >4s)

Flagged 2 of 4 observed weekly snapshots
Blesk Static Article 3
blesk.cz
critical

TBT 669ms (critical, >600ms)

Flagged 2 of 4 observed weekly snapshots
E15 Static Article 1
e15.cz
severe

TBT 535ms (severe, >450ms)

Flagged 2 of 4 observed weekly snapshots
Lide a Zeme Static Article 1
lideazeme.cz
severe

LCP 3.57s (severe, >3.5s)

Flagged 2 of 4 observed weekly snapshots
Mimibazar Main Article
mimibazar.cz
critical

LCP 4.15s (critical, >4s)

Flagged 2 of 4 observed weekly snapshots
Mimibazar SK HomePage
mimibazar.sk
severe

LCP 3.45s (moderate, >2.5s)

Flagged 2 of 4 observed weekly snapshots
Mojezdravi Other Article
mojezdravi.cz
critical

LCP 4.24s (critical, >4s)

Flagged 2 of 4 observed weekly snapshots
NON-CNC Respekt HomePage
respekt.cz
critical

TBT 487ms (severe, >450ms)

Flagged 2 of 4 observed weekly snapshots
Prozeny HomePage
prozeny.blesk.cz
critical

Performance 47 (moderate, <50)

Flagged 2 of 4 observed weekly snapshots
VTM HomePage
vtm.zive.cz
critical

TBT 783ms (critical, >600ms)

Flagged 2 of 4 observed weekly snapshots
Zive HomePage
zive.cz
critical

TBT 1855ms (critical, >600ms)

Flagged 2 of 4 observed weekly snapshots
Zive Static Article 1
zive.cz
critical

TBT 692ms (critical, >600ms)

Flagged 2 of 4 observed weekly snapshots
Stable
166 sites · 4 of 4 weekly snapshots observed · 4489 tests