Useful Information

.bio Domain Zone: Statistics, Trends, and Investment Insights

The .bio domain zone, launched as a generic top-level domain (gTLD) for lifestyle, biography, and organic branding, has grown to 56.6K+ registered domains. Understanding its structural metrics—such as average domain length (7.91 characters), character composition, and keyword trends—is crucial for domain investors and SEO specialists. .bio offers a niche but expanding digital real estate opportunity, with 85.77% of domains being purely alphabetic and a low hyphen usage of 4.47%. These statistics help identify premium, brandable names and predict future value.

Domain Length Distribution in .bio

The most common domain length is 6 characters, with 7 105 domains (7 105 out of 56 612). The average length is 7.91 characters, and the maximum is 63. A representative domain like 01422.bio (5 chars) illustrates typical naming patterns.

Infographics for .bio

56,612
Total Domains
+97
New Today
−66
Dropped Today

Domain length distribution by number of characters

Character Composition: Letters, Digits, and Hyphens

Alphabetic domains dominate at 85.77% (48 556 domains), while digit-only names account for 0.69% (388). Mixed alphanumeric domains make up 9.07%. Hyphen usage is minimal at 4.47% (2 533 domains), indicating a preference for clean, memorable names.


Average domain name length

7.91 characters
Representative domain: 01422.bio
Representative name length: 5

Top Symbols and First Characters in .bio

The most frequent character overall is 'a', appearing 45 077 times across all domains. The most common first character is 's', used in 4 930 domains. These patterns guide keyword-rich domain selection.

Popular Domain Zones

.engineering .ai .menu .bio .radio .earth .shop .at .ch .green .agency .pl .style .tv .tools .vacations .au .cloud .il .clinic

Character frequency in domain names

# Symbol Occurrences
1 a 45077
2 e 43683
3 i 34300
4 o 29755
5 r 29061
6 n 28303
7 t 25437
8 s 25197
9 l 22866
10 c 16162
11 m 15310
12 u 13638
13 d 13060
14 h 12176
15 p 11531
16 b 11439
17 g 10330
18 k 7962
19 y 7788
20 v 6827
21 f 6333
22 w 4111
23 x 3690
24 z 2748
25 8 2620
26 j 2358
27 1 1784
28 7 1666
29 9 1474
30 2 1446
31 6 1332
32 3 1299
33 q 1105
34 5 953
35 0 909
36 4 893

Vowel vs. Consonant Balance in .bio Domains

Vowels constitute 38.92% of all characters (174 241), while consonants make up 57.18% (256 006). This near-40/60 split suggests domains are pronounceable and brand-friendly.


Most common first character in domain names

# First char Domains count
1 - 0
2 0 41
3 1 295
4 2 179
5 3 181
6 4 113
7 5 102
8 6 131
9 7 178
10 8 121
11 9 106
12 a 4799
13 b 3925
14 c 3675
15 d 2259
16 e 2072
17 f 1882
18 g 2170
19 h 1920
20 i 1584
21 j 1124
22 k 1520
23 l 2532
24 m 3975
25 n 2024
26 o 1620
27 p 3140
28 q 328
29 r 2198
30 s 4930
31 t 2667
32 u 666
33 v 1576
34 w 1106
35 x 426
36 y 493
37 z 554

Keyword and Numeric Token Trends

The most common word embedded in domains is 'go', appearing in 799 domains (1.41% share). The top numeric token is '88', found in 533 domains. These tokens indicate popular themes like action or specific numbers.


Character distribution in domain names

Vowels (174241 · 38.92%)
Consonants (256006 · 57.18%)
Digits (14376 · 3.21%)
Hyphen (3058 · 0.68%)
Other (0 · 0%)

Hyphen Usage and Its Impact on Domain Value

Only 4.47% of domains contain hyphens (2 533), while 95.53% are hyphen-free (54 079). Hyphen-free domains are generally more valuable for branding and SEO.


Domain names with numbers and letters

Only numbers (388 · 0.69%)
Only letters (48556 · 85.77%)
Numbers and letters (5135 · 9.07%)
Other (2533 · 4.47%)

Total Character Count and Data Density

All domains combined contain 447.7K+ characters (447 681). This metric helps estimate storage and processing needs for bulk domain analysis.


Most frequent word fragments inside domain names

# Word Domains count %
1 go 799 1.41
2 pro 698 1.23
3 my 638 1.13
4 lab 625 1.10
5 link 564 1.00
6 one 470 0.83
7 car 409 0.72
8 app 292 0.52
9 net 224 0.40
10 life 221 0.39
11 tech 216 0.38
12 store 165 0.29
13 top 157 0.28
14 star 143 0.25
15 game 141 0.25
16 dev 137 0.24
17 new 136 0.24
18 live 115 0.20
19 shop 112 0.20
20 get 107 0.19

Trends & Insights 2026

By 2026, .bio is expected to grow as personal branding and bio-links become mainstream, potentially surpassing 70K domains.
Short, letter-only domains (6 chars) will remain premium assets, with average length stabilizing around 7.91 characters.
The dominance of the letter 'a' and first character 's' suggests continued demand for vowel-rich, memorable names.
Hyphen-free domains (95.53%) will command higher resale values as SEO algorithms favor clean URLs.
Keyword 'go' and numeric token '88' indicate niche trends—investors should monitor similar high-frequency tokens.
With 85.77% alphabetic domains, the zone remains brand-friendly; mixed alphanumeric domains (9.07%) offer untapped potential for tech and crypto niches.

Hyphen usage in domain names

With hyphen (2533 · 4.47%)
Without hyphen (54079 · 95.53%)

Popular numeric tokens in domain names

# Token Domains count
1 88 533
2 1 331
3 4 308
4 2 298
5 3 228
6 8 165
7 168 143
8 888 143
9 7 143
10 777 129
11 77 123
12 99 117
13 9 113
14 789 108
15 5 87
16 32 75
17 999 74
18 6 63
19 24 61
20 11 60