Shorten one-pager, fix reference rates, update Servo grant link · burrito.space/servo-readiness-report@26dfab3

+2 -2

dashboard.html

··· 413 413 <p style="margin-bottom:8px;font-size:12px;">Reference rates used to calibrate this figure:</p> 414 414 <table style="width:auto;font-size:11px;margin-bottom:12px;"> 415 415 <tr><th style="text-align:left;">Source</th><th style="text-align:right;">Annual Equivalent</th><th>Notes</th></tr> 416 - <tr><td><a href="https://nlnet.nl/funding.html" target="_blank" style="color:rgb(71,11,0);">NLnet</a> grants (€60/hr)</td><td style="text-align:right;">€108k</td><td style="color:#999;">Below-market philanthropy rate</td></tr> 416 + <tr><td><a href="https://nlnet.nl/core/faq/" target="_blank" style="color:rgb(71,11,0);">NLnet</a> grants (up to €65/hr)</td><td style="text-align:right;">€117k</td><td style="color:#999;">Below-market cost-recovery rate</td></tr> 417 417 <tr><td><a href="https://www.sovereign.tech/programs/fellowship" target="_blank" style="color:rgb(71,11,0);">Sovereign Tech Fund</a> (employment + social)</td><td style="text-align:right;">€79–101k</td><td style="color:#999;">German public-sector TVöD scale</td></tr> 418 418 <tr><td>European senior SWE median (total cost)</td><td style="text-align:right;">€100–140k</td><td style="color:#999;">Varies by country; incl. employer costs</td></tr> 419 419 <tr><td>Mozilla Germany senior SWE (<a href="https://www.levels.fyi/companies/mozilla/salaries/software-engineer/locations/germany" target="_blank" style="color:rgb(71,11,0);">Levels.fyi</a>)</td><td style="text-align:right;">€145–164k</td><td style="color:#999;">Top-tier browser-engine employer</td></tr> 420 420 <tr style="background:rgba(71,11,0,0.05);font-weight:600;"><td>Model default (€150k × 1.33)</td><td style="text-align:right;">€200k</td><td style="color:#999;">Specialized + multi-disciplinary premium</td></tr> 421 - <tr><td><a href="https://github.com/servo/project/issues/181" target="_blank" style="color:rgb(71,11,0);">Servo grant</a> ($150/hr × 1800)</td><td style="text-align:right;">€248k</td><td style="color:#999;">US contractor rate with overhead</td></tr> 421 + <tr><td><a href="https://github.com/servo/project" target="_blank" style="color:rgb(71,11,0);">Servo grant</a> ($150/hr × 1800)</td><td style="text-align:right;">€248k</td><td style="color:#999;">US contractor rate with overhead</td></tr> 422 422 </table> 423 423 424 424 <h3 style="margin-top:20px;">Limitations</h3>

+9 -36

data/build-one-pager.mjs

········· 339 - <p style="font-size:10px;line-height:1.45;color:#666;">Readiness measured against Baseline “Widely Available” (BWA) web features — supported 30+ months across all major browsers. Feature scores from Web Platform Tests (WPT) via WPT Feature Manifest mapping. ${measurableCount} of ${totalBWA} BWA features are measurable; ${noDataCount} lack WPT mapping (${(noDataByReason['js-builtin'] || []).length} JS built-ins tested by test262 not WPT, ${(noDataByReason['semantic-html'] || []).length} semantic HTML elements, ${noDataCount - (noDataByReason['js-builtin'] || []).length - (noDataByReason['semantic-html'] || []).length} other with unknown status). FTE-equivalent from per-author commit frequency (1 FTE ≈ 22 commits/month, capped at 1.0 per person; 115 authors sum to ~${currentContributors} FTE). BWA growth rate of ~${bwaGrowthPerYear}/year is the 2023–2025 average, normalized to exclude the 2022 interop spike. Known pipeline: ${projectedBWA.filter(p => p.year <= 2028).reduce((s, p) => s + p.added, 0)} features graduating by 2028. Velocity parity = Servo’s annual feature completion rate ≥ BWA annual growth rate. Completions/yr = ${servoCompletionsPerYear} × (FTE/${currentContributors})<sup>${SCALING_EXP}</sup> (sublinear <a href="https://en.wikipedia.org/wiki/Brooks%27s_law">Brooks’s Law</a> scaling). Stalled = zero or negative velocity over the full observation period (2023-Q3 to 2026-Q1). Regressions = features that lost >5 percentage points. Cost at €${(SALARY/1000).toFixed(0)}k/yr per FTE: €${(BASE_SALARY/1000).toFixed(0)}k European senior SWE median total cost × ${SPECIALIZATION_MULTIPLIER}× premium for browser-engine specialization (small talent pool, Rust/rendering/layout) and multi-disciplinary practice (software development + W3C/WHATWG standards participation + open-source community management). Calibrated against <a href="https://nlnet.nl/funding.html">NLnet</a> (€108k), <a href="https://www.sovereign.tech/programs/fellowship">Sovereign Tech Fund</a> (€79–101k), <a href="https://www.levels.fyi/companies/mozilla/salaries/software-engineer/locations/germany">Mozilla Germany</a> (€145–164k), and <a href="https://github.com/servo/project/issues/181">Servo grant rates</a> (€248k US contractor). Excludes other opex, infrastructure, management overhead, and inflation. Usage-prioritized scenarios: at <1% threshold, ${drop1_count} features deprioritized (target ${target_drop1}, growth ~49/yr); at <5%, ${drop5_count} features deprioritized (target ${target_drop5}, growth ~47/yr). Data: wpt.fyi, web-features, Servo git history. Full interactive dashboard: dashboard.html.</p> 312 + <p style="font-size:10px;line-height:1.45;color:#666;">Readiness measured against Baseline “Widely Available” (BWA) web features — supported 30+ months across all major browsers. Feature scores from Web Platform Tests (WPT) via WPT Feature Manifest mapping. ${measurableCount} of ${totalBWA} BWA features are measurable; ${noDataCount} lack WPT mapping (${(noDataByReason['js-builtin'] || []).length} JS built-ins tested by test262 not WPT, ${(noDataByReason['semantic-html'] || []).length} semantic HTML elements, ${noDataCount - (noDataByReason['js-builtin'] || []).length - (noDataByReason['semantic-html'] || []).length} other with unknown status). FTE-equivalent from per-author commit frequency (1 FTE ≈ 22 commits/month, capped at 1.0 per person; 115 authors sum to ~${currentContributors} FTE). BWA growth rate of ~${bwaGrowthPerYear}/year is the 2023–2025 average, normalized to exclude the 2022 interop spike. Known pipeline: ${projectedBWA.filter(p => p.year <= 2028).reduce((s, p) => s + p.added, 0)} features graduating by 2028. Velocity parity = Servo’s annual feature completion rate ≥ BWA annual growth rate. Completions/yr = ${servoCompletionsPerYear} × (FTE/${currentContributors})<sup>${SCALING_EXP}</sup> (sublinear <a href="https://en.wikipedia.org/wiki/Brooks%27s_law">Brooks’s Law</a> scaling). Stalled = zero or negative velocity over the full observation period (2023-Q3 to 2026-Q1). Regressions = features that lost >5 percentage points. Cost at €${(SALARY/1000).toFixed(0)}k/yr per FTE: €${(BASE_SALARY/1000).toFixed(0)}k European senior SWE median total cost × ${SPECIALIZATION_MULTIPLIER}× premium for browser-engine specialization (small talent pool, Rust/rendering/layout) and multi-disciplinary practice (software development + W3C/WHATWG standards participation + open-source community management). Calibrated against <a href="https://nlnet.nl/core/faq/">NLnet</a> (€117k, up to €65/hr), <a href="https://www.sovereign.tech/programs/fellowship">Sovereign Tech Fund</a> (€79–101k, TVöD-Bund + employer costs), <a href="https://www.levels.fyi/companies/mozilla/salaries/software-engineer/locations/germany">Mozilla Germany</a> (€145–164k), and <a href="https://github.com/servo/project">Servo grant rates</a> (€248k US contractor). Excludes other opex, infrastructure, management overhead, and inflation. Usage-prioritized scenarios: at <1% threshold, ${drop1_count} features deprioritized (target ${target_drop1}, growth ~49/yr); at <5%, ${drop5_count} features deprioritized (target ${target_drop5}, growth ~47/yr). Data: wpt.fyi, web-features, Servo git history. Full interactive dashboard: dashboard.html.</p>

+2 -2

data/generate-dashboard.mjs

··· 551 551 <p style="margin-bottom:8px;font-size:12px;">Reference rates used to calibrate this figure:</p> 552 552 <table style="width:auto;font-size:11px;margin-bottom:12px;"> 553 553 <tr><th style="text-align:left;">Source</th><th style="text-align:right;">Annual Equivalent</th><th>Notes</th></tr> 554 - <tr><td><a href="https://nlnet.nl/funding.html" target="_blank" style="color:rgb(71,11,0);">NLnet</a> grants (€60/hr)</td><td style="text-align:right;">€108k</td><td style="color:#999;">Below-market philanthropy rate</td></tr> 554 + <tr><td><a href="https://nlnet.nl/core/faq/" target="_blank" style="color:rgb(71,11,0);">NLnet</a> grants (up to €65/hr)</td><td style="text-align:right;">€117k</td><td style="color:#999;">Below-market cost-recovery rate</td></tr> 555 555 <tr><td><a href="https://www.sovereign.tech/programs/fellowship" target="_blank" style="color:rgb(71,11,0);">Sovereign Tech Fund</a> (employment + social)</td><td style="text-align:right;">€79–101k</td><td style="color:#999;">German public-sector TVöD scale</td></tr> 556 556 <tr><td>European senior SWE median (total cost)</td><td style="text-align:right;">€100–140k</td><td style="color:#999;">Varies by country; incl. employer costs</td></tr> 557 557 <tr><td>Mozilla Germany senior SWE (<a href="https://www.levels.fyi/companies/mozilla/salaries/software-engineer/locations/germany" target="_blank" style="color:rgb(71,11,0);">Levels.fyi</a>)</td><td style="text-align:right;">€145–164k</td><td style="color:#999;">Top-tier browser-engine employer</td></tr> 558 558 <tr style="background:rgba(71,11,0,0.05);font-weight:600;"><td>Model default (€${(BASE_SALARY/1000).toFixed(0)}k × ${SPECIALIZATION_MULTIPLIER})</td><td style="text-align:right;">€${(SALARY/1000).toFixed(0)}k</td><td style="color:#999;">Specialized + multi-disciplinary premium</td></tr> 559 - <tr><td><a href="https://github.com/servo/project/issues/181" target="_blank" style="color:rgb(71,11,0);">Servo grant</a> ($150/hr × 1800)</td><td style="text-align:right;">€248k</td><td style="color:#999;">US contractor rate with overhead</td></tr> 559 + <tr><td><a href="https://github.com/servo/project" target="_blank" style="color:rgb(71,11,0);">Servo grant</a> ($150/hr × 1800)</td><td style="text-align:right;">€248k</td><td style="color:#999;">US contractor rate with overhead</td></tr> 560 560 </table> 561 561 562 562 <h3 style="margin-top:20px;">Limitations</h3>

+9 -18

one-pager.html

········· 204 - <p style="font-size:10px;line-height:1.45;color:#666;">Readiness measured against Baseline “Widely Available” (BWA) web features — supported 30+ months across all major browsers. Feature scores from Web Platform Tests (WPT) via WPT Feature Manifest mapping. 439 of 593 BWA features are measurable; 154 lack WPT mapping (78 JS built-ins tested by test262 not WPT, 23 semantic HTML elements, 53 other with unknown status). FTE-equivalent from per-author commit frequency (1 FTE ≈ 22 commits/month, capped at 1.0 per person; 115 authors sum to ~13 FTE). BWA growth rate of ~52/year is the 2023–2025 average, normalized to exclude the 2022 interop spike. Known pipeline: 130 features graduating by 2028. Velocity parity = Servo’s annual feature completion rate ≥ BWA annual growth rate. Completions/yr = 22 × (FTE/13)<sup>0.7</sup> (sublinear <a href="https://en.wikipedia.org/wiki/Brooks%27s_law">Brooks’s Law</a> scaling). Stalled = zero or negative velocity over the full observation period (2023-Q3 to 2026-Q1). Regressions = features that lost >5 percentage points. Cost at €200k/yr per FTE: €150k European senior SWE median total cost × 1.33× premium for browser-engine specialization (small talent pool, Rust/rendering/layout) and multi-disciplinary practice (software development + W3C/WHATWG standards participation + open-source community management). Calibrated against <a href="https://nlnet.nl/funding.html">NLnet</a> (€108k), <a href="https://www.sovereign.tech/programs/fellowship">Sovereign Tech Fund</a> (€79–101k), <a href="https://www.levels.fyi/companies/mozilla/salaries/software-engineer/locations/germany">Mozilla Germany</a> (€145–164k), and <a href="https://github.com/servo/project/issues/181">Servo grant rates</a> (€248k US contractor). Excludes other opex, infrastructure, management overhead, and inflation. Usage-prioritized scenarios: at <1% threshold, 35 features deprioritized (target 558, growth ~49/yr); at <5%, 56 features deprioritized (target 537, growth ~47/yr). Data: wpt.fyi, web-features, Servo git history. Full interactive dashboard: dashboard.html.</p> 195 + <p style="font-size:10px;line-height:1.45;color:#666;">Readiness measured against Baseline “Widely Available” (BWA) web features — supported 30+ months across all major browsers. Feature scores from Web Platform Tests (WPT) via WPT Feature Manifest mapping. 439 of 593 BWA features are measurable; 154 lack WPT mapping (78 JS built-ins tested by test262 not WPT, 23 semantic HTML elements, 53 other with unknown status). FTE-equivalent from per-author commit frequency (1 FTE ≈ 22 commits/month, capped at 1.0 per person; 115 authors sum to ~13 FTE). BWA growth rate of ~52/year is the 2023–2025 average, normalized to exclude the 2022 interop spike. Known pipeline: 130 features graduating by 2028. Velocity parity = Servo’s annual feature completion rate ≥ BWA annual growth rate. Completions/yr = 22 × (FTE/13)<sup>0.7</sup> (sublinear <a href="https://en.wikipedia.org/wiki/Brooks%27s_law">Brooks’s Law</a> scaling). Stalled = zero or negative velocity over the full observation period (2023-Q3 to 2026-Q1). Regressions = features that lost >5 percentage points. Cost at €200k/yr per FTE: €150k European senior SWE median total cost × 1.33× premium for browser-engine specialization (small talent pool, Rust/rendering/layout) and multi-disciplinary practice (software development + W3C/WHATWG standards participation + open-source community management). Calibrated against <a href="https://nlnet.nl/core/faq/">NLnet</a> (€117k, up to €65/hr), <a href="https://www.sovereign.tech/programs/fellowship">Sovereign Tech Fund</a> (€79–101k, TVöD-Bund + employer costs), <a href="https://www.levels.fyi/companies/mozilla/salaries/software-engineer/locations/germany">Mozilla Germany</a> (€145–164k), and <a href="https://github.com/servo/project">Servo grant rates</a> (€248k US contractor). Excludes other opex, infrastructure, management overhead, and inflation. Usage-prioritized scenarios: at <1% threshold, 35 features deprioritized (target 558, growth ~49/yr); at <5%, 56 features deprioritized (target 537, growth ~47/yr). Data: wpt.fyi, web-features, Servo git history. Full interactive dashboard: dashboard.html.</p>

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