CNC Lighthouse · Week 9 · 2026 · May 20, 2026

Incident

166 sites audited, 92 critical, 24 severe.

Portfolio
25
Sites OK
of 166
92
Critical
needs action
24
Severe
review
1334
Tests run
68 ok
Required actions 116
  1. 01 criticalInvestigate NON-CNC Super HomePage — LCP 4.51s (critical, >4s) Open
  2. 02 criticalInvestigate Reflex HomePage — LCP 27.86s (critical, >4s) Open
  3. 03 criticalInvestigate Reflex Main Article — TBT 682ms (critical, >600ms) Open
  4. 04 criticalInvestigate NON-CNC Extra HomePage — TBT 696ms (critical, >600ms) Open
  5. 05 criticalInvestigate NON-CNC Extra Main Article — TBT 648ms (critical, >600ms) Open
  6. 06 criticalInvestigate NON-CNC Extra Other Article — TBT 621ms (critical, >600ms) Open
  7. 07 criticalInvestigate NON-CNC Extra Static Article 1 — TBT 674ms (critical, >600ms) Open
  8. 08 criticalInvestigate NON-CNC Extra Static Article 2 — TBT 753ms (critical, >600ms) Open
  9. 09 criticalInvestigate NON-CNC Extra Static Article 3 — TBT 1041ms (critical, >600ms) Open
  10. 10 criticalInvestigate Reflex Static Article 1 — TBT 639ms (critical, >600ms) Open
  11. 11 criticalInvestigate Reflex Static Article 2 — Performance 39 (severe, <40) Open
  12. 12 criticalInvestigate Reflex Static Article 3 — Performance 31 (severe, <40) Open
  13. 13 criticalInvestigate E15 HomePage — TBT 620ms (critical, >600ms) Open
  14. 14 criticalInvestigate E15 Static Article 2 — LCP 6.78s (critical, >4s) Open
  15. 15 criticalInvestigate E15 Static Article 3 — LCP 7.37s (critical, >4s) Open
  16. 16 criticalInvestigate Ahaonline HomePage — Performance 34 (severe, <40) Open
  17. 17 criticalInvestigate Ahaonline Main Article — TBT 890ms (critical, >600ms) Open
  18. 18 criticalInvestigate Ahaonline Static Article 1 — TBT 609ms (critical, >600ms) Open
  19. 19 criticalInvestigate Ahaonline Static Article 2 — Performance 47 (moderate, <50) Open
  20. 20 criticalInvestigate Ahaonline Static Article 3 — LCP 4.21s (critical, >4s) Open
  21. 21 criticalInvestigate Blesk HomePage — TBT 732ms (critical, >600ms) Open
  22. 22 criticalInvestigate Blesk Static Article 1 — TBT 1240ms (critical, >600ms) Open
  23. 23 criticalInvestigate Blesk Static Article 2 — TBT 812ms (critical, >600ms) Open
  24. 24 criticalInvestigate Blesk Static Article 3 — TBT 669ms (critical, >600ms) Open
  25. 25 criticalInvestigate Zive HomePage — TBT 1855ms (critical, >600ms) Open
  26. 26 criticalInvestigate Zive Main Article — TBT 600ms (critical, >600ms) Open
  27. 27 criticalInvestigate Zive Other Article — TBT 770ms (critical, >600ms) Open
  28. 28 criticalInvestigate Zive Static Article 1 — TBT 692ms (critical, >600ms) Open
  29. 29 criticalInvestigate Zive Static Article 2 — LCP 2.66s (moderate, >2.5s) Open
  30. 30 criticalInvestigate Zive Static Article 3 — TBT 988ms (critical, >600ms) Open
  31. 31 criticalInvestigate Isport HomePage — TBT 623ms (critical, >600ms) Open
  32. 32 criticalInvestigate Isport Static Article 1 — Performance 47 (moderate, <50) Open
  33. 33 criticalInvestigate Isport Static Article 2 — Performance 46 (moderate, <50) Open
  34. 34 criticalInvestigate Isport Static Article 3 — TBT 1837ms (critical, >600ms) Open
  35. 35 criticalInvestigate Autorevue Static Article 1 — LCP 4.17s (critical, >4s) Open
  36. 36 criticalInvestigate Maminka HomePage — TBT 665ms (critical, >600ms) Open
  37. 37 criticalInvestigate Maminka Static Article 1 — LCP 4.79s (critical, >4s) Open
  38. 38 criticalInvestigate Dama HomePage — TBT 622ms (critical, >600ms) Open
  39. 39 criticalInvestigate Dama Static Article 1 — LCP 5.82s (critical, >4s) Open
  40. 40 criticalInvestigate Dama Static Article 2 — TBT 1007ms (critical, >600ms) Open
  41. 41 criticalInvestigate Recepty HomePage — TBT 753ms (critical, >600ms) Open
  42. 42 criticalInvestigate Recepty Static Article 1 — TBT 1175ms (critical, >600ms) Open
  43. 43 criticalInvestigate Recepty Static Article 2 — TBT 665ms (critical, >600ms) Open
  44. 44 criticalInvestigate Mojezdravi Other Article — LCP 4.24s (critical, >4s) Open
  45. 45 criticalInvestigate Mojezdravi Static Article 2 — CLS 0.269 (critical, >0.25) Open
  46. 46 criticalInvestigate Mojezdravi Static Article 3 — LCP 4.03s (critical, >4s) Open
  47. 47 criticalInvestigate Prozeny HomePage — Performance 47 (moderate, <50) Open
  48. 48 criticalInvestigate Prozeny Main Article — TBT 1208ms (critical, >600ms) Open
  49. 49 criticalInvestigate Prozeny Static Article 1 — Performance 49 (moderate, <50) Open
  50. 50 criticalInvestigate Prozeny Static Article 2 — TBT 918ms (critical, >600ms) Open
  51. 51 criticalInvestigate Prozeny Static Article 3 — TBT 764ms (critical, >600ms) Open
  52. 52 criticalInvestigate Mimibazar Main Article — LCP 4.48s (critical, >4s) Open
  53. 53 criticalInvestigate Lide a Zeme Static Article 2 — LCP 4.21s (critical, >4s) Open
  54. 54 criticalInvestigate Lide a Zeme Static Article 3 — LCP 7.41s (critical, >4s) Open
  55. 55 criticalInvestigate TV Blesk Other Article — LCP 4.31s (critical, >4s) Open
  56. 56 criticalInvestigate TV Blesk Static Article 1 — LCP 6.57s (critical, >4s) Open
  57. 57 criticalInvestigate TV Blesk Static Article 2 — LCP 6.58s (critical, >4s) Open
  58. 58 criticalInvestigate TV Blesk Static Article 3 — LCP 6.91s (critical, >4s) Open
  59. 59 criticalInvestigate Horoskopy Main Article — TBT 798ms (critical, >600ms) Open
  60. 60 criticalInvestigate Horoskopy Static Article 3 — TBT 949ms (critical, >600ms) Open
  61. 61 criticalInvestigate HeyFomo Static Article 1 — TBT 802ms (critical, >600ms) Open
  62. 62 criticalInvestigate HeyFomo Static Article 2 — TBT 965ms (critical, >600ms) Open
  63. 63 criticalInvestigate HeyFomo Static Article 3 — TBT 671ms (critical, >600ms) Open
  64. 64 criticalInvestigate Moje Psychologie Static Article 1 — LCP 4.07s (critical, >4s) Open
  65. 65 criticalInvestigate Zbozi Dama HomePage — CLS 0.289 (critical, >0.25) Open
  66. 66 criticalInvestigate Hobby Blesk HomePage — TBT 1316ms (critical, >600ms) Open
  67. 67 criticalInvestigate Ženy.cz HomePage — Performance 46 (moderate, <50) Open
  68. 68 criticalInvestigate Food Piknik HomePage — Performance 26 (critical, <30) Open
  69. 69 criticalInvestigate Pro Ukrajinu HomePage — LCP 4.77s (critical, >4s) Open
  70. 70 criticalInvestigate Hodina Dějepichu HomePage — Performance 28 (critical, <30) Open
  71. 71 criticalInvestigate Liga Naruby HomePage — Performance 17 (critical, <30) Open
  72. 72 criticalInvestigate Samsungmania HomePage — CLS 0.424 (critical, >0.25) Open
  73. 73 criticalInvestigate Abeceda Zahrady HomePage — LCP 4.36s (critical, >4s) Open
  74. 74 criticalInvestigate AVMania HomePage — TBT 701ms (critical, >600ms) Open
  75. 75 criticalInvestigate DigiArena HomePage — TBT 822ms (critical, >600ms) Open
  76. 76 criticalInvestigate Doupě HomePage — TBT 1075ms (critical, >600ms) Open
  77. 77 criticalInvestigate VTM HomePage — TBT 783ms (critical, >600ms) Open
  78. 78 criticalInvestigate Mobilmania HomePage — CLS 0.283 (critical, >0.25) Open
  79. 79 criticalInvestigate iHNed.cz (Competitor) HomePage — LCP 7.85s (critical, >4s) Open
  80. 80 criticalInvestigate NON-CNC Tyden Main Article — CLS 0.600 (critical, >0.25) Open
  81. 81 criticalInvestigate NON-CNC Tyden Other Article — CLS 0.596 (critical, >0.25) Open
  82. 82 criticalInvestigate NON-CNC Tyden Static Article 1 — CLS 0.594 (critical, >0.25) Open
  83. 83 criticalInvestigate NON-CNC Tyden Static Article 2 — CLS 0.624 (critical, >0.25) Open
  84. 84 criticalInvestigate NON-CNC Tyden Static Article 3 — CLS 0.277 (critical, >0.25) Open
  85. 85 criticalInvestigate Isport Main Article — TBT 1024ms (critical, >600ms) Open
  86. 86 criticalInvestigate Autorevue Main Article — TBT 753ms (critical, >600ms) Open
  87. 87 criticalInvestigate Maminka Main Article — TBT 627ms (critical, >600ms) Open
  88. 88 criticalInvestigate Dama Other Article — TBT 826ms (critical, >600ms) Open
  89. 89 criticalInvestigate Recepty Other Article — TBT 711ms (critical, >600ms) Open
  90. 90 criticalInvestigate Prozeny Other Article — LCP 4.63s (critical, >4s) Open
  91. 91 criticalInvestigate Blesk Other Article — TBT 953ms (critical, >600ms) Open
  92. 92 criticalInvestigate Isport Other Article — TBT 1283ms (critical, >600ms) Open
  93. 93 severeReview NON-CNC Respekt HomePage — TBT 487ms (severe, >450ms) Open
  94. 94 severeReview NON-CNC Tyden HomePage — CLS 0.241 (severe, >0.2) Open
  95. 95 severeReview E15 Main Article — TBT 517ms (severe, >450ms) Open
  96. 96 severeReview E15 Other Article — TBT 512ms (severe, >450ms) Open
  97. 97 severeReview E15 Static Article 1 — TBT 535ms (severe, >450ms) Open
  98. 98 severeReview Autorevue Static Article 3 — LCP 3.90s (severe, >3.5s) Open
  99. 99 severeReview Dama Main Article — LCP 3.69s (severe, >3.5s) Open
  100. 100 severeReview Recepty Static Article 3 — TBT 477ms (severe, >450ms) Open
  101. 101 severeReview Mojezdravi Static Article 1 — LCP 3.72s (severe, >3.5s) Open
  102. 102 severeReview Mimibazar HomePage — LCP 3.24s (moderate, >2.5s) Open
  103. 103 severeReview Mimibazar Static Article 1 — TBT 459ms (severe, >450ms) Open
  104. 104 severeReview Lide a Zeme Other Article — TBT 509ms (severe, >450ms) Open
  105. 105 severeReview Lide a Zeme Static Article 1 — LCP 3.57s (severe, >3.5s) Open
  106. 106 severeReview TV Blesk Main Article — LCP 3.65s (severe, >3.5s) Open
  107. 107 severeReview Horoskopy HomePage — TBT 490ms (severe, >450ms) Open
  108. 108 severeReview Horoskopy Static Article 1 — TBT 471ms (severe, >450ms) Open
  109. 109 severeReview Horoskopy Static Article 2 — TBT 575ms (severe, >450ms) Open
  110. 110 severeReview Moje Psychologie Static Article 3 — LCP 3.79s (severe, >3.5s) Open
  111. 111 severeReview Sportrevue HomePage — TBT 452ms (severe, >450ms) Open
  112. 112 severeReview SuperForum HomePage — TBT 465ms (severe, >450ms) Open
  113. 113 severeReview Mimibazar SK HomePage — LCP 3.45s (moderate, >2.5s) Open
  114. 114 severeReview Reflex Other Article — TBT 569ms (severe, >450ms) Open
  115. 115 severeReview Mojezdravi Main Article — LCP 3.63s (severe, >3.5s) Open
  116. 116 severeReview Autorevue Other Article — LCP 3.81s (severe, >3.5s) Open
Sites needing attention 116
NON-CNC Super HomePage
super.cz
critical

LCP 4.51s (critical, >4s)

Reflex HomePage
reflex.cz
critical

LCP 27.86s (critical, >4s)

Reflex Main Article
reflex.cz
critical

TBT 682ms (critical, >600ms)

NON-CNC Extra HomePage
extra.cz
critical

TBT 696ms (critical, >600ms)

NON-CNC Extra Main Article
extra.cz
critical

TBT 648ms (critical, >600ms)

NON-CNC Extra Other Article
extra.cz
critical

TBT 621ms (critical, >600ms)

NON-CNC Extra Static Article 1
extra.cz
critical

TBT 674ms (critical, >600ms)

NON-CNC Extra Static Article 2
extra.cz
critical

TBT 753ms (critical, >600ms)

NON-CNC Extra Static Article 3
extra.cz
critical

TBT 1041ms (critical, >600ms)

Reflex Static Article 1
reflex.cz
critical

TBT 639ms (critical, >600ms)

Reflex Static Article 2
reflex.cz
critical

Performance 39 (severe, <40)

Reflex Static Article 3
reflex.cz
critical

Performance 31 (severe, <40)

E15 HomePage
e15.cz
critical

TBT 620ms (critical, >600ms)

E15 Static Article 2
e15.cz
critical

LCP 6.78s (critical, >4s)

E15 Static Article 3
e15.cz
critical

LCP 7.37s (critical, >4s)

Ahaonline HomePage
ahaonline.cz
critical

Performance 34 (severe, <40)

Ahaonline Main Article
ahaonline.cz
critical

TBT 890ms (critical, >600ms)

Ahaonline Static Article 1
ahaonline.cz
critical

TBT 609ms (critical, >600ms)

Ahaonline Static Article 2
ahaonline.cz
critical

Performance 47 (moderate, <50)

Ahaonline Static Article 3
ahaonline.cz
critical

LCP 4.21s (critical, >4s)

Blesk HomePage
blesk.cz
critical

TBT 732ms (critical, >600ms)

Blesk Static Article 1
blesk.cz
critical

TBT 1240ms (critical, >600ms)

Blesk Static Article 2
blesk.cz
critical

TBT 812ms (critical, >600ms)

Blesk Static Article 3
blesk.cz
critical

TBT 669ms (critical, >600ms)

Zive HomePage
zive.cz
critical

TBT 1855ms (critical, >600ms)

Zive Main Article
vtm.zive.cz
critical

TBT 600ms (critical, >600ms)

Zive Other Article
vtm.zive.cz
critical

TBT 770ms (critical, >600ms)

Zive Static Article 1
zive.cz
critical

TBT 692ms (critical, >600ms)

Zive Static Article 2
zive.cz
critical

LCP 2.66s (moderate, >2.5s)

Zive Static Article 3
zive.cz
critical

TBT 988ms (critical, >600ms)

Isport HomePage
isport.blesk.cz
critical

TBT 623ms (critical, >600ms)

Isport Static Article 1
isport.blesk.cz
critical

Performance 47 (moderate, <50)

Isport Static Article 2
isport.blesk.cz
critical

Performance 46 (moderate, <50)

Isport Static Article 3
isport.blesk.cz
critical

TBT 1837ms (critical, >600ms)

Autorevue Static Article 1
autorevue.cz
critical

LCP 4.17s (critical, >4s)

Maminka HomePage
maminka.cz
critical

TBT 665ms (critical, >600ms)

Maminka Static Article 1
maminka.cz
critical

LCP 4.79s (critical, >4s)

Dama HomePage
dama.cz
critical

TBT 622ms (critical, >600ms)

Dama Static Article 1
dama.cz
critical

LCP 5.82s (critical, >4s)

Dama Static Article 2
dama.cz
critical

TBT 1007ms (critical, >600ms)

Recepty HomePage
recepty.cz
critical

TBT 753ms (critical, >600ms)

Recepty Static Article 1
recepty.cz
critical

TBT 1175ms (critical, >600ms)

Recepty Static Article 2
recepty.cz
critical

TBT 665ms (critical, >600ms)

Mojezdravi Other Article
mojezdravi.cz
critical

LCP 4.24s (critical, >4s)

Mojezdravi Static Article 2
mojezdravi.cz
critical

CLS 0.269 (critical, >0.25)

Mojezdravi Static Article 3
mojezdravi.cz
critical

LCP 4.03s (critical, >4s)

Prozeny HomePage
prozeny.blesk.cz
critical

Performance 47 (moderate, <50)

Prozeny Main Article
prozeny.blesk.cz
critical

TBT 1208ms (critical, >600ms)

Prozeny Static Article 1
prozeny.blesk.cz
critical

Performance 49 (moderate, <50)

Prozeny Static Article 2
prozeny.blesk.cz
critical

TBT 918ms (critical, >600ms)

Prozeny Static Article 3
prozeny.blesk.cz
critical

TBT 764ms (critical, >600ms)

Mimibazar Main Article
mimibazar.cz
critical

LCP 4.48s (critical, >4s)

Lide a Zeme Static Article 2
lideazeme.cz
critical

LCP 4.21s (critical, >4s)

Lide a Zeme Static Article 3
lideazeme.cz
critical

LCP 7.41s (critical, >4s)

TV Blesk Other Article
tv.blesk.cz
critical

LCP 4.31s (critical, >4s)

TV Blesk Static Article 1
tv.blesk.cz
critical

LCP 6.57s (critical, >4s)

TV Blesk Static Article 2
tv.blesk.cz
critical

LCP 6.58s (critical, >4s)

TV Blesk Static Article 3
tv.blesk.cz
critical

LCP 6.91s (critical, >4s)

Horoskopy Main Article
horoskopy.blesk.cz
critical

TBT 798ms (critical, >600ms)

Horoskopy Static Article 3
horoskopy.blesk.cz
critical

TBT 949ms (critical, >600ms)

HeyFomo Static Article 1
heyfomo.cz
critical

TBT 802ms (critical, >600ms)

HeyFomo Static Article 2
heyfomo.cz
critical

TBT 965ms (critical, >600ms)

HeyFomo Static Article 3
heyfomo.cz
critical

TBT 671ms (critical, >600ms)

Moje Psychologie Static Article 1
mojepsychologie.cz
critical

LCP 4.07s (critical, >4s)

Zbozi Dama HomePage
zbozi.dama.cz
critical

CLS 0.289 (critical, >0.25)

Hobby Blesk HomePage
hobby.blesk.cz
critical

TBT 1316ms (critical, >600ms)

Ženy.cz HomePage
zeny.cz
critical

Performance 46 (moderate, <50)

Food Piknik HomePage
food-piknik.cz
critical

Performance 26 (critical, <30)

Pro Ukrajinu HomePage
proukrainu.blesk.cz
critical

LCP 4.77s (critical, >4s)

Hodina Dějepichu HomePage
hodinadejepichu.cz
critical

Performance 28 (critical, <30)

Liga Naruby HomePage
liganaruby.cz
critical

Performance 17 (critical, <30)

Samsungmania HomePage
samsungmania.mobilmania.zive.cz
critical

CLS 0.424 (critical, >0.25)

Abeceda Zahrady HomePage
abecedazahrady.dama.cz
critical

LCP 4.36s (critical, >4s)

AVMania HomePage
avmania.zive.cz
critical

TBT 701ms (critical, >600ms)

DigiArena HomePage
digiarena.zive.cz
critical

TBT 822ms (critical, >600ms)

Doupě HomePage
doupe.zive.cz
critical

TBT 1075ms (critical, >600ms)

VTM HomePage
vtm.zive.cz
critical

TBT 783ms (critical, >600ms)

Mobilmania HomePage
mobilmania.zive.cz
critical

CLS 0.283 (critical, >0.25)

iHNed.cz (Competitor) HomePage
ihned.cz
critical

LCP 7.85s (critical, >4s)

NON-CNC Tyden Main Article
tyden.cz
critical

CLS 0.600 (critical, >0.25)

NON-CNC Tyden Other Article
tyden.cz
critical

CLS 0.596 (critical, >0.25)

NON-CNC Tyden Static Article 1
tyden.cz
critical

CLS 0.594 (critical, >0.25)

NON-CNC Tyden Static Article 2
tyden.cz
critical

CLS 0.624 (critical, >0.25)

NON-CNC Tyden Static Article 3
tyden.cz
critical

CLS 0.277 (critical, >0.25)

Isport Main Article
isport.blesk.cz
critical

TBT 1024ms (critical, >600ms)

Autorevue Main Article
autorevue.cz
critical

TBT 753ms (critical, >600ms)

Maminka Main Article
maminka.cz
critical

TBT 627ms (critical, >600ms)

Dama Other Article
dama.cz
critical

TBT 826ms (critical, >600ms)

Recepty Other Article
recepty.cz
critical

TBT 711ms (critical, >600ms)

Prozeny Other Article
horoskopy.blesk.cz
critical

LCP 4.63s (critical, >4s)

Blesk Other Article
blesk.cz
critical

TBT 953ms (critical, >600ms)

Isport Other Article
isport.blesk.cz
critical

TBT 1283ms (critical, >600ms)

NON-CNC Respekt HomePage
respekt.cz
severe

TBT 487ms (severe, >450ms)

NON-CNC Tyden HomePage
tyden.cz
severe

CLS 0.241 (severe, >0.2)

E15 Main Article
e15.cz
severe

TBT 517ms (severe, >450ms)

E15 Other Article
e15.cz
severe

TBT 512ms (severe, >450ms)

E15 Static Article 1
e15.cz
severe

TBT 535ms (severe, >450ms)

Autorevue Static Article 3
autorevue.cz
severe

LCP 3.90s (severe, >3.5s)

Dama Main Article
dama.cz
severe

LCP 3.69s (severe, >3.5s)

Recepty Static Article 3
magazin.recepty.cz
severe

TBT 477ms (severe, >450ms)

Mojezdravi Static Article 1
mojezdravi.cz
severe

LCP 3.72s (severe, >3.5s)

Mimibazar HomePage
mimibazar.cz
severe

LCP 3.24s (moderate, >2.5s)

Mimibazar Static Article 1
mimibazar.cz
severe

TBT 459ms (severe, >450ms)

Lide a Zeme Other Article
lideazeme.cz
severe

TBT 509ms (severe, >450ms)

Lide a Zeme Static Article 1
lideazeme.cz
severe

LCP 3.57s (severe, >3.5s)

TV Blesk Main Article
tv.blesk.cz
severe

LCP 3.65s (severe, >3.5s)

Horoskopy HomePage
horoskopy.blesk.cz
severe

TBT 490ms (severe, >450ms)

Horoskopy Static Article 1
horoskopy.blesk.cz
severe

TBT 471ms (severe, >450ms)

Horoskopy Static Article 2
horoskopy.blesk.cz
severe

TBT 575ms (severe, >450ms)

Moje Psychologie Static Article 3
mojepsychologie.cz
severe

LCP 3.79s (severe, >3.5s)

Sportrevue HomePage
sportrevue.isport.blesk.cz
severe

TBT 452ms (severe, >450ms)

SuperForum HomePage
superforum.zive.cz
severe

TBT 465ms (severe, >450ms)

Mimibazar SK HomePage
mimibazar.sk
severe

LCP 3.45s (moderate, >2.5s)

Reflex Other Article
reflex.cz
severe

TBT 569ms (severe, >450ms)

Mojezdravi Main Article
mojezdravi.cz
severe

LCP 3.63s (severe, >3.5s)

Autorevue Other Article
autorevue.cz
severe

LCP 3.81s (severe, >3.5s)

Stable
25 of 166 sites stable · 25 with minor issues · 1334 tests run