Useful Information

.pro Domain Zone: Comprehensive Data for Professionals

The .pro domain zone, originally launched for certified professionals, has evolved into a versatile namespace with over 1.1M+ registered domains. Understanding its structural metrics—such as average domain length of 0.00 characters and the prevalence of the letter 'e'—is critical for domain investors, SEO specialists, and developers. This data-driven analysis reveals patterns in domain composition, character distribution, and naming trends, empowering you to make informed decisions in the pro space.

Domain Length Distribution in .pro

The most common domain length is 8 characters, with 163 703 domains (e.g., 0-0.pro). Average length is 0.00 chars, max 63.

Infographics for .pro

1,142,082
Total Domains
+2,528
New Today
−3,262
Dropped Today

Domain length distribution by number of characters

Character Composition: Letters, Digits, and Hyphens

Letters dominate at 71.81% (816 351 domains), while digits appear in 6.01% of all characters. Hyphens are present in 8.64% of domains.


Average domain name length

9.44 characters
Representative domain: 0-0.pro
Representative name length: 3

Top Symbols and Naming Patterns

The most frequent character is 'e' (935 542 occurrences), and most domains start with 's' (91 999 domains). The top word is 'pro' (22 825 domains).

Popular Domain Zones

.blog .homes .tech .tour .site .group .nl .house .baby .earth .events .bio .ai .game .be .fr .email .dogs .family .cafe

Character frequency in domain names

# Symbol Occurrences
1 e 935542
2 a 887533
3 i 738695
4 o 720730
5 r 646707
6 t 608929
7 s 552419
8 n 547545
9 l 465571
10 u 393106
11 c 379965
12 d 327042
13 m 325895
14 p 319051
15 y 260116
16 g 255421
17 b 236292
18 h 235282
19 k 194942
20 v 191729
21 f 190762
22 w 139033
23 x 134514
24 z 105723
25 j 92072
26 1 82745
27 8 75485
28 q 74124
29 2 73231
30 0 67477
31 7 63319
32 3 60451
33 5 57374
34 4 54106
35 6 53772
36 9 53160

Vowel vs. Consonant Balance in pro Domains

Vowels account for 36.75% of all characters (3 948 844), consonants 56.24% (6 042 856), aiding memorability and brandability.


Most common first character in domain names

# First char Domains count
1 - 0
2 0 3229
3 1 9362
4 2 5304
5 3 4466
6 4 3251
7 5 3914
8 6 3199
9 7 4056
10 8 4040
11 9 3580
12 a 65146
13 b 56079
14 c 68546
15 d 54936
16 e 33373
17 f 48166
18 g 44023
19 h 34572
20 i 30700
21 j 31187
22 k 33109
23 l 44280
24 m 75594
25 n 36461
26 o 23800
27 p 64835
28 q 16616
29 r 46690
30 s 91999
31 t 63392
32 u 15459
33 v 33524
34 w 29740
35 x 18787
36 y 12258
37 z 20958

Numeric and Mixed-Type Domains

Pure numeric domains are rare (0.68%), while alphanumeric mixes represent 18.87%. The top numeric token is '1' (21 077 domains).


Character distribution in domain names

Vowels (3948844 · 36.75%)
Consonants (6042856 · 56.24%)
Digits (645510 · 6.01%)
Hyphen (107666 · 1%)
Other (0 · 0%)

Hyphen Usage and Its Impact

Only 8.64% of domains contain hyphens (98 294), suggesting a preference for clean, hyphen-free names for professionalism.


Domain names with numbers and letters

Only numbers (7720 · 0.68%)
Only letters (816351 · 71.81%)
Numbers and letters (214472 · 18.87%)
Other (98247 · 8.64%)

Historical Context and Evolution of .pro

Originally restricted to licensed professionals, .pro now welcomes all registrants. Statistics reveal a mature zone with 1 142 082 domains and 10.7M+ total characters.


Most frequent word fragments inside domain names

# Word Domains count %
1 pro 22825 2.00
2 go 20313 1.78
3 my 12582 1.11
4 one 10064 0.88
5 car 8391 0.74
6 hub 7678 0.67
7 tech 6840 0.60
8 lab 6754 0.59
9 net 6521 0.57
10 app 6314 0.55
11 top 4693 0.41
12 game 3979 0.35
13 web 3838 0.34
14 get 3738 0.33
15 market 3618 0.32
16 play 3468 0.30
17 dev 3451 0.30
18 smart 3400 0.30
19 new 3352 0.29
20 link 3285 0.29

Trends & Insights 2026

Expect continued growth in .pro as professionals and businesses seek credible, industry-specific TLDs beyond legacy extensions.
Short, memorable domains (8-10 chars) will remain premium; the current peak at 8 chars signals strong demand for concise names.
Alphanumeric domains (18.87% of registrations) may rise with tech and startup branding, blending letters and numbers for uniqueness.
Hyphen-free domains (91.36%) will dominate as search engines and users favor clean, typo-resistant URLs.
The top word 'pro' underscores the zone's professional identity; similar keywords will drive future registrations.
Data-driven investing will rely on metrics like vowel density (36.75%) and first-symbol frequency ('s') to predict domain value.

Hyphen usage in domain names

With hyphen (98294 · 8.64%)
Without hyphen (1039514 · 91.36%)

Popular numeric tokens in domain names

# Token Domains count
1 1 21077
2 2 18237
3 4 17134
4 3 16297
5 8 15059
6 7 14685
7 5 14059
8 9 13471
9 6 13076
10 0 11753
11 88 7327
12 01 4452
13 777 2864
14 02 2750
15 77 2739
16 24 2441
17 11 2125
18 99 2017
19 10 1812
20 888 1687