Web server extensions
13 technologies tracked in this category.
| # | Technology | WebsitesSites | Monthly changeChange | High authority | Share of tracked |
|---|---|---|---|---|---|
| 1 | OpenSSL | 426,272 | −1,608 | 2,349 | 0.94% |
| 2 | Engintron | 39,326 | +210 | 22 | 0.09% |
| 3 | mod_ssl | 32,596 | −157 | 115 | 0.07% |
| 4 | mod_perl | 14,716 | −70 | 270 | 0.03% |
| 5 | mod_dav | 12,807 | −47 | 72 | 0.03% |
| 6 | mod_jk | 12,360 | −75 | 152 | 0.03% |
| 7 | mod_wsgi | 7,974 | −33 | 271 | 0.02% |
| 8 | mod_python | 4,786 | −10 | 15 | 0.01% |
| 9 | mod_fastcgi | 3,793 | +1 | 21 | 0.01% |
| 10 | mod_rails | 1,026 | −4 | 5 | 0.00% |
| 11 | mod_rack | 1,024 | −4 | 5 | 0.00% |
| 12 | Shelf | 385 | +18 | 1 | 0.00% |
| 13 | mod_auth_pam | 228 | +1 | 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.