Web server extensions
13 technologies tracked in this category.
| # | Technology | WebsitesSites | Monthly changeChange | High authority | Share of tracked |
|---|---|---|---|---|---|
| 1 | OpenSSL | 426,192 | −2,708 | 2,357 | 0.93% |
| 2 | Engintron | 39,457 | −449 | 21 | 0.09% |
| 3 | mod_ssl | 32,551 | −150 | 113 | 0.07% |
| 4 | mod_perl | 14,718 | −93 | 263 | 0.03% |
| 5 | mod_dav | 12,778 | −13 | 73 | 0.03% |
| 6 | mod_jk | 12,294 | −151 | 147 | 0.03% |
| 7 | mod_wsgi | 7,970 | −43 | 264 | 0.02% |
| 8 | mod_python | 4,770 | −21 | 15 | 0.01% |
| 9 | mod_fastcgi | 3,788 | −34 | 23 | 0.01% |
| 10 | mod_rails | 1,025 | −22 | 5 | 0.00% |
| 11 | mod_rack | 1,023 | −22 | 5 | 0.00% |
| 12 | Shelf | 393 | −8 | 1 | 0.00% |
| 13 | mod_auth_pam | 228 | −6 | 2 | 0.00% |
Websites and share count all tracked domains. Monthly change compares the sites observed in the two newest crawl months, a month-scoped measure that differs from the tracked total. High authority counts the technology's sites at Open Page Rank 7 or higher, a tier of about 46,000 domains web-wide.