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 816.3K+ 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 (10.28 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 78 869 domains at that length. The average domain spans 10.28 characters, while the maximum allowed is 63. A representative domain like '0.cz' (1 char) illustrates the range.

Infographics for .cz

816,270
Total Domains
+0
New Today
−5,405
Dropped Today

Domain length distribution by number of characters

Character Composition: Letters, Digits, and Hyphens

Purely alphabetic domains dominate at 79.12% (645 807 domains). Domains with hyphens account for 18.20% (148 567), while digit-only domains are rare at 0.13%. Mixed alphanumeric domains represent 2.55% of the zone.


Average domain name length

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

Most Frequent Symbols and First Characters

The letter 'a' appears 851 192 times across all domains, making it the most common character. Domains most often start with 's' (77 673 occurrences), a key insight for brandable domain selection.

Popular Domain Zones

.software .beauty .cz .energy .tips .press .earth .radio .pt .email .shop .tour .website .ca .cn .es .studio .reviews .eu .bike

Character frequency in domain names

# Symbol Occurrences
1 a 851192
2 e 763178
3 o 657322
4 i 567739
5 r 554331
6 n 486970
7 t 480555
8 s 460610
9 l 381716
10 k 342383
11 c 310903
12 v 272232
13 p 270646
14 m 260073
15 d 249481
16 u 247367
17 y 192321
18 b 183436
19 h 176295
20 z 128572
21 g 105832
22 f 89137
23 j 78618
24 w 34219
25 x 31831
26 2 8061
27 1 6978
28 4 6820
29 q 5540
30 0 5455
31 3 4974
32 5 2476
33 6 2314
34 7 1939
35 9 1853
36 8 1731

Vowel vs. Consonant Balance in .cz Domains

Vowels constitute 39.09% of all characters (3 279 119), while consonants make up 58.46% (4 903 380). This near-40/60 split influences domain memorability and pronunciation.


Most common first character in domain names

# First char Domains count
1 - 0
2 0 189
3 1 1721
4 2 1020
5 3 1394
6 4 1120
7 5 328
8 6 214
9 7 281
10 8 201
11 9 158
12 a 54804
13 b 40234
14 c 43480
15 d 39194
16 e 31519
17 f 27518
18 g 18826
19 h 28387
20 i 21973
21 j 20128
22 k 43244
23 l 28036
24 m 58061
25 n 25912
26 o 24191
27 p 69964
28 q 1569
29 r 33504
30 s 77673
31 t 36289
32 u 12705
33 v 33462
34 w 10371
35 x 1931
36 y 2066
37 z 24603

Top Keywords and Numeric Tokens in .cz

The most common word embedded in domains is 'pro', appearing in 22 524 domains (2.76% share). The top numeric token is '4', found in 3 758 domains, highlighting local language and numeric trends.


Character distribution in domain names

Vowels (3279119 · 39.09%)
Consonants (4903380 · 58.46%)
Digits (42601 · 0.51%)
Hyphen (162504 · 1.94%)
Other (0 · 0%)

Hyphen Usage Patterns and Their Impact

Hyphens appear in 18.20% of domains (148 567), with a total of 162 504 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 (1096 · 0.13%)
Only letters (645807 · 79.12%)
Numbers and letters (20800 · 2.55%)
Other (148567 · 18.2%)

Total Character Pool and Data Significance

Across all .cz domains, there are 8.4M+ characters (8 387 604 total). This massive dataset (816 270 domains) provides statistically robust insights for algorithmic domain valuation and portfolio optimization.


Most frequent word fragments inside domain names

# Word Domains count %
1 pro 22524 2.76
2 go 9177 1.12
3 shop 8128 1.00
4 my 7930 0.97
5 net 6847 0.84
6 car 5800 0.71
7 top 5772 0.71
8 one 5743 0.70
9 tech 5506 0.67
10 web 4552 0.56
11 online 3624 0.44
12 star 3145 0.39
13 fit 2823 0.35
14 lab 2644 0.32
15 plus 1985 0.24
16 media 1941 0.24
17 market 1916 0.23
18 app 1646 0.20
19 info 1616 0.20
20 club 1589 0.19

Trends & Insights 2026

Short, brandable domains (6-9 chars) will continue to command premium value; the 8-char sweet spot (78 869 domains) signals strong demand.
Purely alphabetic domains (79.12% of zone) remain the gold standard for trust and SEO, but creative alphanumeric mixes (2.55%) offer untapped potential.
Hyphenated domains (18.20%) may see reduced appeal as users favor clean, dash-free names; monitor 148 567 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 (1 096) are scarce (0.13%), making them niche assets for numeric brands or short codes.
With 816.3K+ 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 (148567 · 18.2%)
Without hyphen (667703 · 81.8%)

Popular numeric tokens in domain names

# Token Domains count
1 4 3758
2 2 2681
3 3 2422
4 1 2102
5 24 1590
6 5 639
7 7 567
8 21 446
9 8 424
10 6 408
11 365 306
12 10 292
13 9 283
14 123 281
15 100 230
16 360 207
17 2000 170
18 0 165
19 12 147
20 11 131