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Fix dashboard and map tab lag with memoization and code splitting

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Memoize createMap() in DottedMap (was regenerating 8000 SVG dots every
render) and convert 11 heavy dashboard components to next/dynamic imports
so the page shell renders instantly instead of blocking on one massive
render pass.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Usman Baig
2026-03-10 00:39:35 +01:00
parent 4babbc7555
commit ae0f6b8ffa
2 changed files with 18 additions and 13 deletions
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24
app/sites/[id]/page.tsx
View File

@@ -22,20 +22,22 @@ import { getDateRange, formatDate } from '@ciphera-net/ui'
import { toast } from '@ciphera-net/ui'
import { Button } from '@ciphera-net/ui'
import { Select, DatePicker, DownloadIcon } from '@ciphera-net/ui'
import dynamic from 'next/dynamic'
import { DashboardSkeleton, useMinimumLoading } from '@/components/skeletons'
import ExportModal from '@/components/dashboard/ExportModal'
import ContentStats from '@/components/dashboard/ContentStats'
import TopReferrers from '@/components/dashboard/TopReferrers'
import Locations from '@/components/dashboard/Locations'
import TechSpecs from '@/components/dashboard/TechSpecs'
import Chart from '@/components/dashboard/Chart'
import PerformanceStats from '@/components/dashboard/PerformanceStats'
import GoalStats from '@/components/dashboard/GoalStats'
import ScrollDepth from '@/components/dashboard/ScrollDepth'
import Campaigns from '@/components/dashboard/Campaigns'
import FilterBar from '@/components/dashboard/FilterBar'
import AddFilterDropdown, { type FilterSuggestion, type FilterSuggestions } from '@/components/dashboard/AddFilterDropdown'
import EventProperties from '@/components/dashboard/EventProperties'
const Chart = dynamic(() => import('@/components/dashboard/Chart'))
const ContentStats = dynamic(() => import('@/components/dashboard/ContentStats'))
const TopReferrers = dynamic(() => import('@/components/dashboard/TopReferrers'))
const Locations = dynamic(() => import('@/components/dashboard/Locations'))
const TechSpecs = dynamic(() => import('@/components/dashboard/TechSpecs'))
const PerformanceStats = dynamic(() => import('@/components/dashboard/PerformanceStats'))
const GoalStats = dynamic(() => import('@/components/dashboard/GoalStats'))
const ScrollDepth = dynamic(() => import('@/components/dashboard/ScrollDepth'))
const Campaigns = dynamic(() => import('@/components/dashboard/Campaigns'))
const EventProperties = dynamic(() => import('@/components/dashboard/EventProperties'))
const ExportModal = dynamic(() => import('@/components/dashboard/ExportModal'))
import { type DimensionFilter, serializeFilters, parseFiltersFromURL } from '@/lib/filters'
import {
useDashboardOverview,

7
components/dashboard/DottedMap.tsx
View File

@@ -25,7 +25,10 @@ export default function DottedMap({ data, className }: DottedMapProps) {
const dotRadius = 0.25
const [tooltip, setTooltip] = useState<{ x: number; y: number; country: string; pageviews: number } | null>(null)
const { points, addMarkers } = createMap({ width, height, mapSamples: 8000 })
const { points, addMarkers } = useMemo(
() => createMap({ width, height, mapSamples: 8000 }),
[width, height],
)
const markerData = useMemo(() => {
if (!data.length) return []
@@ -48,7 +51,7 @@ export default function DottedMap({ data, className }: DottedMapProps) {
() => markerData.map((d) => ({ lat: d.lat, lng: d.lng, size: d.size })),
[markerData],
)
const processedMarkers = addMarkers(markerInputs)
const processedMarkers = useMemo(() => addMarkers(markerInputs), [addMarkers, markerInputs])
// Compute stagger helpers
const { xStep, yToRowIndex } = useMemo(() => {