Useful Information

.icu Domain Zone: Comprehensive Data & Market Trends

The .icu domain zone, launched in 2015, has grown to over 464.8K+ registered domains, making it a notable player in the new gTLD landscape. For domain investors, SEO specialists, and developers, understanding the structural composition of a zone is critical for strategic decisions. Statistics reveal patterns in domain length, character usage, and keyword prevalence, offering actionable insights for acquisition, branding, and optimization. This analysis leverages current data to highlight opportunities and trends within .icu.

Domain Length Distribution: Why 5 Characters Dominate

The most common domain length in .icu is 5 characters, with 66 494 domains. The average length is 8.81 chars, and the maximum is 63. Short domains are prized for memorability and SEO, making this a key metric for investors.

Infographics for .icu

464,754
Total Domains
+655
New Today
−939
Dropped Today

Domain length distribution by number of characters

Character Composition: Letters, Digits, and Hyphens

Letters dominate at 49.67% (230 829 domains), while digits appear in 14.99% of all characters. Hyphens are present in 9.53% of domains (44 299). The most frequent first character is 's' (29 524 domains), and the top overall symbol is 'a' (258 893 occurrences).


Average domain name length

8.81 characters
Representative domain: 0-0.icu
Representative name length: 3

Top Keywords and Numeric Tokens: Branding Opportunities

The most common word in .icu domains is 'go', appearing in 6 077 domains (1.31% share). The top numeric token is '1' (14 787 domains). These patterns reveal popular niches and potential for targeted acquisitions.

Popular Domain Zones

.website .us .digital .it .es .software .il .blog .site .international .chat .tips .eco .farm .hospital .com .baby .homes .guide .cats

Character frequency in domain names

# Symbol Occurrences
1 a 258893
2 e 243216
3 i 232296
4 n 202621
5 s 199266
6 o 188285
7 t 166024
8 r 161817
9 l 141895
10 u 138956
11 d 131523
12 c 126156
13 g 124550
14 h 114780
15 m 113804
16 b 102935
17 p 100489
18 k 96652
19 y 95120
20 f 85626
21 1 82371
22 w 79820
23 v 74237
24 x 74097
25 2 74073
26 j 67479
27 8 63160
28 0 62830
29 z 59383
30 3 58815
31 6 56992
32 5 55635
33 7 54600
34 9 54019
35 4 51161
36 q 44516

Vowel vs. Consonant Balance: Readability and Brand Recall

Vowels account for 28.27% of all characters (1 156 766), while consonants make up 55.41% (2 267 670). A balanced ratio enhances pronounceability, a factor in user trust and click-through rates.


Most common first character in domain names

# First char Domains count
1 - 0
2 0 2828
3 1 9753
4 2 4398
5 3 3893
6 4 4030
7 5 4173
8 6 4484
9 7 4124
10 8 4665
11 9 5190
12 a 22140
13 b 24563
14 c 22103
15 d 22864
16 e 12166
17 f 15909
18 g 18724
19 h 14822
20 i 10766
21 j 12081
22 k 18309
23 l 17174
24 m 19909
25 n 12717
26 o 9285
27 p 19527
28 q 8627
29 r 13304
30 s 29524
31 t 19769
32 u 7963
33 v 9756
34 w 14737
35 x 13188
36 y 17092
37 z 10197

Pure Digit vs. Pure Letter Domains: Investment Potential

Pure letter domains represent 49.67% of the zone (230 829), while pure digit domains are just 2.58% (11 975). Mixed alphanumeric domains (38.22%) offer flexibility for tech and startup brands.


Character distribution in domain names

Vowels (1156766 · 28.27%)
Consonants (2267670 · 55.41%)
Digits (613656 · 14.99%)
Hyphen (54379 · 1.33%)
Other (0 · 0%)

Hyphen Usage: Impact on SEO and User Experience

Only 9.53% of .icu domains contain hyphens (44 299). Hyphens can improve readability for multi-word domains but may reduce trust. The low percentage suggests a preference for clean, hyphen-free names.


Domain names with numbers and letters

Only numbers (11975 · 2.58%)
Only letters (230829 · 49.67%)
Numbers and letters (177651 · 38.22%)
Other (44299 · 9.53%)

Total Character Pool: Scale and Diversity

The .icu zone contains 4.1M+ total characters across all domains. With 54 379 hyphens (1.33%) and zero other symbols, the zone is highly standardized, simplifying parsing and analysis for developers.


Most frequent word fragments inside domain names

# Word Domains count %
1 go 6077 1.31
2 mail 3811 0.82
3 pro 3522 0.76
4 my 2753 0.59
5 game 2511 0.54
6 one 2405 0.52
7 app 2249 0.48
8 car 2089 0.45
9 net 1489 0.32
10 hub 1359 0.29
11 online 1331 0.29
12 club 1281 0.28
13 new 1217 0.26
14 web 1213 0.26
15 play 1202 0.26
16 lab 1152 0.25
17 top 1086 0.23
18 fit 988 0.21
19 pay 970 0.21
20 link 915 0.20

Trends & Insights 2026

Short domains (5 chars) will remain premium assets; investors should target 5-character letter-only names for maximum resale value.
The dominance of 'go' as a keyword signals strong demand in action-oriented niches (e.g., gaming, apps). Expect growth in verb-based domains.
With 38.22% of domains mixing digits and letters, alphanumeric combinations will gain traction for tech startups and crypto projects.
Hyphen-free domains (90.47%) will continue to outperform in SEO; avoid hyphens for new registrations to align with user preference.
The high vowel ratio (28.27%) suggests a trend toward pronounceable domains; prioritize names with balanced vowel-consonant structure for branding.
As 464.8K+ domains grow, data-driven tools will be essential for spotting undervalued assets—leverage metrics like top first symbol 's' and average length 8.81.

Hyphen usage in domain names

With hyphen (44299 · 9.53%)
Without hyphen (420455 · 90.47%)

Popular numeric tokens in domain names

# Token Domains count
1 1 14787
2 2 14359
3 3 13364
4 4 13068
5 8 12957
6 7 12928
7 6 12815
8 5 12391
9 9 12307
10 0 9353
11 11 2848
12 88 2168
13 10 1786
14 25 1737
15 01 1678
16 12 1667
17 13 1530
18 24 1498
19 15 1468
20 18 1407