MainframeMaster
MainframeMaster — Comprehensive tutorials and resources for mainframe technologies and COBOL programming.
About MainframeMaster
- The solution
- MainframeMaster publishes free tutorials for COBOL, JCL, CICS, DB2, VSAM, IBM MQ, DFSORT, Easytrieve, and TSO/ISPF. Learn the skills that still run banking, insurance, and government systems.
MainframeMaster homepage
1 / 1Website performance
Independent mobile lab measurements and permanent weekly competition results from IndieTools Speed.
Last checked
- Load time
- 9.25 s
- FCP
- 937 ms
- LCP
- 9.25 s
- CLS
- 0.000
- TTFB
- N/A
- TBT
- 109 ms
- Speed index
- 3.58 s
Latest Performance Score: 73. Measured: July 5, 2026. Weekly Overall Rank: #67. LCP: 9.25 s. Load Time: 9.25 s.
- Overall rank · 2026-W27
- #67 Down 1 places
- Best overall rank
- #24 0 top 10 finishes
- Best category rank
- Not finalized 0 category wins
- Latest change
- +4 score Best score 73 / 100
Website performance history
Inspect every successful mobile Lighthouse lab measurement by metric and date range.
Range
Latest score
73 / 100
Higher is better
20 measurements
Use the left and right arrow keys to inspect measurements. Use Home or End to jump to the first or last measurement. Press Escape to dismiss the chart tooltip.
Jun 7, 2026Jul 5, 2026Weekly rank history
Track the product's finalized overall position on the IndieTools Speed leaderboard.
Range
Latest rank
#67
Closer to #1 is better
5 weeks
Use the left and right arrow keys to inspect weeks. Use Home or End to jump to the first or last week. Press Escape to dismiss the chart tooltip.
Jun 1, 2026Jun 29, 2026