Useful Information

.cz Domain Zone: Comprehensive Statistics & Trends for 2026

The .cz country-code top-level domain (ccTLD) has been a cornerstone of the Czech internet since its delegation in the early 1990s. With over 821.7K+ registered domains, it remains a vital market for local businesses, international investors, and SEO professionals targeting Central Europe. Understanding the structural DNA of .cz—from average domain length (10.27 characters) to character composition and keyword trends—empowers smarter acquisition and branding decisions. This data-driven analysis covers domain length distribution, symbol frequency, hyphen usage, and more, providing actionable insights for 2026 and beyond.

Domain Length Distribution in .cz

The most common domain length is 8 characters, with 79 319 domains at that length. The average domain spans 10.27 characters, while the maximum allowed is 63. A representative domain like '0.cz' (1 char) illustrates the range.

Infographics for .cz

821,675
Total Domains
+0
New Today
−0
Dropped Today

Domain length distribution by number of characters

Character Composition: Letters, Digits, and Hyphens

Purely alphabetic domains dominate at 79.14% (650 259 domains). Domains with hyphens account for 18.18% (149 396), while digit-only domains are rare at 0.13%. Mixed alphanumeric domains represent 2.55% of the zone.


Average domain name length

10.27 characters
Representative domain: 0.cz
Representative name length: 1

Most Frequent Symbols and First Characters

The letter 'a' appears 855 916 times across all domains, making it the most common character. Domains most often start with 's' (78 130 occurrences), a key insight for brandable domain selection.

Popular Domain Zones

.family .software .design .ltd .cz .bio .game .cn .pl .bike .biz .ro .solar .tr .academy .sport .chat .garden .hosting .reviews

Character frequency in domain names

# Symbol Occurrences
1 a 855916
2 e 767644
3 o 661047
4 i 571012
5 r 557543
6 n 490008
7 t 483298
8 s 463159
9 l 384042
10 k 344373
11 c 312523
12 v 273986
13 p 272215
14 m 261506
15 d 250971
16 u 248928
17 y 193567
18 b 184656
19 h 177492
20 z 129583
21 g 106478
22 f 89659
23 j 79300
24 w 34433
25 x 32039
26 2 8118
27 1 7019
28 4 6867
29 q 5560
30 0 5492
31 3 4999
32 5 2488
33 6 2323
34 7 1944
35 9 1869
36 8 1743

Vowel vs. Consonant Balance in .cz Domains

Vowels constitute 39.09% of all characters (3 298 114), while consonants make up 58.47% (4 932 824). This near-40/60 split influences domain memorability and pronunciation.


Most common first character in domain names

# First char Domains count
1 - 0
2 0 190
3 1 1730
4 2 1024
5 3 1400
6 4 1126
7 5 331
8 6 217
9 7 281
10 8 204
11 9 162
12 a 55067
13 b 40501
14 c 43732
15 d 39436
16 e 31751
17 f 27677
18 g 18950
19 h 28593
20 i 22127
21 j 20227
22 k 43535
23 l 28297
24 m 58367
25 n 26157
26 o 24350
27 p 70405
28 q 1574
29 r 33771
30 s 78130
31 t 36545
32 u 12839
33 v 33759
34 w 10429
35 x 1946
36 y 2080
37 z 24765

Top Keywords and Numeric Tokens in .cz

The most common word embedded in domains is 'pro', appearing in 22 685 domains (2.76% share). The top numeric token is '4', found in 3 780 domains, highlighting local language and numeric trends.


Character distribution in domain names

Vowels (3298114 · 39.09%)
Consonants (4932824 · 58.47%)
Digits (42862 · 0.51%)
Hyphen (163416 · 1.94%)
Other (0 · 0%)

Hyphen Usage Patterns and Their Impact

Hyphens appear in 18.18% of domains (149 396), with a total of 163 416 hyphen characters (1.94% of all chars). Hyphenated domains can affect SEO and user trust, making this metric critical for investors.


Domain names with numbers and letters

Only numbers (1102 · 0.13%)
Only letters (650259 · 79.14%)
Numbers and letters (20918 · 2.55%)
Other (149396 · 18.18%)

Total Character Pool and Data Significance

Across all .cz domains, there are 8.4M+ characters (8 437 216 total). This massive dataset (821 675 domains) provides statistically robust insights for algorithmic domain valuation and portfolio optimization.


Most frequent word fragments inside domain names

# Word Domains count %
1 pro 22685 2.76
2 go 9221 1.12
3 shop 8199 1.00
4 my 7979 0.97
5 net 6882 0.84
6 car 5834 0.71
7 top 5815 0.71
8 one 5774 0.70
9 tech 5542 0.67
10 web 4590 0.56
11 online 3662 0.45
12 star 3160 0.38
13 fit 2838 0.35
14 lab 2651 0.32
15 plus 1995 0.24
16 media 1952 0.24
17 market 1927 0.23
18 app 1650 0.20
19 info 1630 0.20
20 club 1594 0.19

Trends & Insights 2026

Short, brandable domains (6-9 chars) will continue to command premium value; the 8-char sweet spot (79 319 domains) signals strong demand.
Purely alphabetic domains (79.14% of zone) remain the gold standard for trust and SEO, but creative alphanumeric mixes (2.55%) offer untapped potential.
Hyphenated domains (18.18%) may see reduced appeal as users favor clean, dash-free names; monitor 149 396 for market shifts.
The dominance of 'pro' (2.76% share) suggests local language keywords are critical; investors should target Czech-relevant terms.
Digit-only domains (1 102) are scarce (0.13%), making them niche assets for numeric brands or short codes.
With 821.7K+ domains and growing, .cz remains a stable ccTLD; expect gradual premiumization of short, vowel-rich names (vowels: 39.09%).

Hyphen usage in domain names

With hyphen (149396 · 18.18%)
Without hyphen (672279 · 81.82%)

Popular numeric tokens in domain names

# Token Domains count
1 4 3780
2 2 2688
3 3 2431
4 1 2109
5 24 1610
6 5 642
7 7 567
8 21 448
9 8 428
10 6 411
11 365 308
12 10 293
13 123 288
14 9 286
15 100 232
16 360 207
17 0 171
18 2000 170
19 12 148
20 11 131