diff --git a/server/scripts/modules/icons.mjs b/server/scripts/modules/icons.mjs
index cf6f1ef..db30d83 100644
--- a/server/scripts/modules/icons.mjs
+++ b/server/scripts/modules/icons.mjs
@@ -1,7 +1,6 @@
 import largeIcon from './icons/icons-large.mjs';
 import smallIcon from './icons/icons-small.mjs';
 import hourlyIcon from './icons/icons-hourly.mjs';
-import { withBasePath } from './utils/base-path.mjs';
 
 const getWeatherGovTokenFromWmoCode = (code) => {
 	switch (Number(code)) {
@@ -45,7 +44,7 @@ const getWeatherGovTokenFromWmoCode = (code) => {
 	}
 };
 
-const buildSyntheticIconUrl = (code, isDaytime = true) => withBasePath(`icons/land/${isDaytime ? 'day' : 'night'}/${getWeatherGovTokenFromWmoCode(code)}`);
+const buildSyntheticIconUrl = (code, isDaytime = true) => `/icons/land/${isDaytime ? 'day' : 'night'}/${getWeatherGovTokenFromWmoCode(code)}`;
 
 const getLargeIconFromWmoCode = (code, isDaytime = true) => largeIcon(buildSyntheticIconUrl(code, isDaytime), !isDaytime);
 const getSmallIconFromWmoCode = (code, isDaytime = true) => smallIcon(buildSyntheticIconUrl(code, isDaytime), !isDaytime);
diff --git a/server/scripts/modules/linuxnews.mjs b/server/scripts/modules/linuxnews.mjs
index ba37c19..7ff3c8e 100644
--- a/server/scripts/modules/linuxnews.mjs
+++ b/server/scripts/modules/linuxnews.mjs
@@ -3,7 +3,6 @@ import STATUS from './status.mjs';
 import WeatherDisplay from './weatherdisplay.mjs';
 import { registerDisplay } from './navigation.mjs';
 import { debugFlag } from './utils/debug.mjs';
-import { withBasePath } from './utils/base-path.mjs';
 
 const STORIES_PER_PAGE = 2;
 const PAGE_DURATION_MS = 9000;
@@ -18,7 +17,7 @@ class LinuxNews extends WeatherDisplay {
 		if (!super.getData(weatherParameters, refresh)) return;
 
 		try {
-			const response = await safeJson(withBasePath('api/linux-news'), {
+			const response = await safeJson('/api/linux-news', {
 				retryCount: 0,
 			});
 
diff --git a/server/scripts/modules/serverobservations.mjs b/server/scripts/modules/serverobservations.mjs
index c74deff..7b2d25e 100644
--- a/server/scripts/modules/serverobservations.mjs
+++ b/server/scripts/modules/serverobservations.mjs
@@ -4,7 +4,6 @@ import STATUS from './status.mjs';
 import WeatherDisplay from './weatherdisplay.mjs';
 import { registerDisplay } from './navigation.mjs';
 import { debugFlag } from './utils/debug.mjs';
-import { withBasePath } from './utils/base-path.mjs';
 
 const LINES_PER_PAGE = 4;
 const PAGE_DURATION_MS = 7000;
@@ -20,7 +19,7 @@ class ServerObservations extends WeatherDisplay {
 
 		try {
 			// Fetch server info from the API
-			const response = await safeJson(withBasePath('api/server-info'), {
+			const response = await safeJson('/api/server-info', {
 				retryCount: 0,
 			});
 
diff --git a/server/scripts/modules/utils/base-path.mjs b/server/scripts/modules/utils/base-path.mjs
deleted file mode 100644
index e7b7d0d..0000000
--- a/server/scripts/modules/utils/base-path.mjs
+++ /dev/null
@@ -1,25 +0,0 @@
-const normalizeBasePath = (pathname) => {
-	if (!pathname) return '/';
-	if (pathname.endsWith('/index.html')) {
-		const trimmed = pathname.slice(0, -'index.html'.length);
-		return trimmed.endsWith('/') ? trimmed : `${trimmed}/`;
-	}
-	if (pathname.endsWith('/')) return pathname;
-	const lastSlash = pathname.lastIndexOf('/');
-	if (lastSlash === -1) return '/';
-	return `${pathname.slice(0, lastSlash + 1)}`;
-};
-
-const getBasePath = () => normalizeBasePath(window.location.pathname);
-
-const withBasePath = (relativePath = '') => {
-	const sanitizedPath = relativePath.replace(/^\/+/, '');
-	const basePath = getBasePath();
-	if (basePath === '/') return `/${sanitizedPath}`;
-	return `${basePath}${sanitizedPath}`;
-};
-
-export {
-	getBasePath,
-	withBasePath,
-};
diff --git a/server/scripts/modules/utils/cache.mjs b/server/scripts/modules/utils/cache.mjs
index 72308bb..d4c3413 100644
--- a/server/scripts/modules/utils/cache.mjs
+++ b/server/scripts/modules/utils/cache.mjs
@@ -1,5 +1,4 @@
 import { rewriteUrl } from './url-rewrite.mjs';
-import { withBasePath } from './base-path.mjs';
 
 // Clear cache utility for client-side use
 const clearCacheEntry = async (url, baseUrl = '') => {
@@ -16,7 +15,7 @@ const clearCacheEntry = async (url, baseUrl = '') => {
 		}
 
 		// Call the cache clear endpoint
-		const fetchUrl = baseUrl ? `${baseUrl}/cache${cachePath}` : withBasePath(`cache${cachePath}`);
+		const fetchUrl = baseUrl ? `${baseUrl}/cache${cachePath}` : `/cache${cachePath}`;
 		const response = await fetch(fetchUrl, {
 			method: 'DELETE',
 		});
diff --git a/server/scripts/modules/utils/data-loader.mjs b/server/scripts/modules/utils/data-loader.mjs
index 1b98629..59cf7b7 100644
--- a/server/scripts/modules/utils/data-loader.mjs
+++ b/server/scripts/modules/utils/data-loader.mjs
@@ -1,7 +1,5 @@
 // Data loader utility for fetching JSON data with cache-busting
 
-import { withBasePath } from './base-path.mjs';
-
 let dataCache = {};
 
 // Load data with version-based cache busting
@@ -11,7 +9,7 @@ const loadData = async (dataType, version = '') => {
 	}
 
 	try {
-		const url = withBasePath(`data/${dataType}.json${version ? `?_=${version}` : ''}`);
+		const url = `/data/${dataType}.json${version ? `?_=${version}` : ''}`;
 		const response = await fetch(url);
 
 		if (!response.ok) {
diff --git a/server/scripts/modules/utils/leaflet-weather-map.mjs b/server/scripts/modules/utils/leaflet-weather-map.mjs
index b41641f..cd8ec39 100644
--- a/server/scripts/modules/utils/leaflet-weather-map.mjs
+++ b/server/scripts/modules/utils/leaflet-weather-map.mjs
@@ -3,13 +3,12 @@ import { loadData } from './data-loader.mjs';
 import { getSmallIconFromWmoCode } from '../icons.mjs';
 import { getOpenMeteoObservationSnapshot } from './weather.mjs';
 import { temperature } from './units.mjs';
-import { withBasePath } from './base-path.mjs';
 
 const getBaseMapUrl = () => (window.WS4KP_SERVER_AVAILABLE
-	? withBasePath('arcgis-server/ArcGIS/rest/services/Canvas/World_Light_Gray_Base/MapServer/tile/{z}/{y}/{x}')
+	? '/arcgis-server/ArcGIS/rest/services/Canvas/World_Light_Gray_Base/MapServer/tile/{z}/{y}/{x}'
 	: 'https://server.arcgisonline.com/ArcGIS/rest/services/Canvas/World_Light_Gray_Base/MapServer/tile/{z}/{y}/{x}');
 const getBoundaryMapUrl = () => (window.WS4KP_SERVER_AVAILABLE
-	? withBasePath('arcgis-services/ArcGIS/rest/services/Reference/World_Boundaries_and_Places/MapServer/tile/{z}/{y}/{x}')
+	? '/arcgis-services/ArcGIS/rest/services/Reference/World_Boundaries_and_Places/MapServer/tile/{z}/{y}/{x}'
 	: 'https://services.arcgisonline.com/ArcGIS/rest/services/Reference/World_Boundaries_and_Places/MapServer/tile/{z}/{y}/{x}');
 const DEFAULT_MAX_NEARBY_MARKERS = 7;
 const MIN_CITY_DISTANCE_METERS = 25000;
diff --git a/server/scripts/modules/utils/mapclick.mjs b/server/scripts/modules/utils/mapclick.mjs
index 9608dcf..532f386 100644
--- a/server/scripts/modules/utils/mapclick.mjs
+++ b/server/scripts/modules/utils/mapclick.mjs
@@ -11,7 +11,6 @@
 
 import { safeJson } from './fetch.mjs';
 import { debugFlag } from './debug.mjs';
-import { withBasePath } from './base-path.mjs';
 
 /**
  * Parse MapClick date format to JavaScript Date
@@ -179,7 +178,7 @@ const convertMapClickIcon = (weatherImage) => {
 		return null;
 	}
 
-	return withBasePath(`icons/land/${timeOfDay}/${condition}?size=medium`);
+	return `/icons/land/${timeOfDay}/${condition}?size=medium`;
 };
 
 /**
diff --git a/server/scripts/modules/utils/theme.mjs b/server/scripts/modules/utils/theme.mjs
index 1540606..a94ee70 100644
--- a/server/scripts/modules/utils/theme.mjs
+++ b/server/scripts/modules/utils/theme.mjs
@@ -1,15 +1,12 @@
-import { withBasePath } from './base-path.mjs';
-
 const THEME_STORAGE_KEY = 'settings-theme-select';
 const DEFAULT_THEME = 'default';
-
 const BUILTIN_ASSETS = {
-	background1: 'images/backgrounds/1.png',
-	background1Chart: 'images/backgrounds/1-chart.png',
-	background2: 'images/backgrounds/2.png',
-	background3: 'images/backgrounds/3.png',
-	background4: 'images/backgrounds/4.png',
-	background5: 'images/backgrounds/5.png',
+	background1: '../images/backgrounds/1.png',
+	background1Chart: '../images/backgrounds/1-chart.png',
+	background2: '../images/backgrounds/2.png',
+	background3: '../images/backgrounds/3.png',
+	background4: '../images/backgrounds/4.png',
+	background5: '../images/backgrounds/5.png',
 	logoCorner: 'images/logos/logo-corner.png',
 };
 
@@ -23,33 +20,33 @@ const getStoredTheme = () => {
 
 const getThemeAssetUrl = (themeName, assetKey) => {
 	if (themeName === DEFAULT_THEME) {
-		return withBasePath(BUILTIN_ASSETS[assetKey]);
+		return BUILTIN_ASSETS[assetKey];
 	}
 
 	const themeAssetAvailability = getThemeAssets()[themeName] ?? {};
 	if (!themeAssetAvailability[assetKey]) {
-		return withBasePath(BUILTIN_ASSETS[assetKey]);
+		return BUILTIN_ASSETS[assetKey];
 	}
 
 		switch (assetKey) {
 		case 'background1':
-			return withBasePath(`themes/${themeName}/1.png`);
+			return `../themes/${themeName}/1.png`;
 		case 'background1Chart':
-			return withBasePath(`themes/${themeName}/1-chart.png`);
+			return `../themes/${themeName}/1-chart.png`;
 		case 'background2':
-			return withBasePath(`themes/${themeName}/2.png`);
+			return `../themes/${themeName}/2.png`;
 		case 'background3':
-			return withBasePath(`themes/${themeName}/3.png`);
+			return `../themes/${themeName}/3.png`;
 		case 'background4':
-			return withBasePath(`themes/${themeName}/4.png`);
+			return `../themes/${themeName}/4.png`;
 		case 'background5':
-			return withBasePath(`themes/${themeName}/5.png`);
+			return `../themes/${themeName}/5.png`;
 		case 'logoCorner':
-			return withBasePath(`themes/${themeName}/logo-corner.png`);
+			return `themes/${themeName}/logo-corner.png`;
 		default:
-			return withBasePath(BUILTIN_ASSETS[assetKey]);
-		}
-	};
+			return BUILTIN_ASSETS[assetKey];
+	}
+};
 
 const applyTheme = (themeName) => {
 	const selectedTheme = getAvailableThemes().includes(themeName) ? themeName : DEFAULT_THEME;
diff --git a/server/scripts/modules/utils/url-rewrite.mjs b/server/scripts/modules/utils/url-rewrite.mjs
index 6df531a..cc4267f 100644
--- a/server/scripts/modules/utils/url-rewrite.mjs
+++ b/server/scripts/modules/utils/url-rewrite.mjs
@@ -1,6 +1,4 @@
 // rewrite URLs to use local proxy server
-import { withBasePath } from './base-path.mjs';
-
 const rewriteUrl = (_url) => {
 	if (!_url) {
 		throw new Error(`rewriteUrl called with invalid argument: '${_url}' (${typeof _url})`);
@@ -27,44 +25,44 @@ const rewriteUrl = (_url) => {
 	if (url.origin === 'https://api.weather.gov') {
 		url.protocol = window.location.protocol;
 		url.host = window.location.host;
-		url.pathname = withBasePath(`api${url.pathname}`);
+		url.pathname = `/api${url.pathname}`;
 	} else if (url.origin === 'https://forecast.weather.gov') {
 		url.protocol = window.location.protocol;
 		url.host = window.location.host;
-		url.pathname = withBasePath(`forecast${url.pathname}`);
+		url.pathname = `/forecast${url.pathname}`;
 	} else if (url.origin === 'https://www.spc.noaa.gov') {
 		url.protocol = window.location.protocol;
 		url.host = window.location.host;
-		url.pathname = withBasePath(`spc${url.pathname}`);
+		url.pathname = `/spc${url.pathname}`;
 	} else if (url.origin === 'https://radar.weather.gov') {
 		url.protocol = window.location.protocol;
 		url.host = window.location.host;
-		url.pathname = withBasePath(`radar${url.pathname}`);
+		url.pathname = `/radar${url.pathname}`;
 	} else if (url.origin === 'https://mesonet.agron.iastate.edu') {
 		url.protocol = window.location.protocol;
 		url.host = window.location.host;
-		url.pathname = withBasePath(`mesonet${url.pathname}`);
+		url.pathname = `/mesonet${url.pathname}`;
 	} else if (url.origin === 'https://api.open-meteo.com') {
 		url.protocol = window.location.protocol;
 		url.host = window.location.host;
-		url.pathname = withBasePath(`open-meteo${url.pathname}`);
+		url.pathname = `/open-meteo${url.pathname}`;
 	} else if (url.origin === 'https://api.rainviewer.com') {
 		url.protocol = window.location.protocol;
 		url.host = window.location.host;
-		url.pathname = withBasePath(`rainviewer${url.pathname}`);
+		url.pathname = `/rainviewer${url.pathname}`;
 	} else if (url.origin === 'https://server.arcgisonline.com') {
 		url.protocol = window.location.protocol;
 		url.host = window.location.host;
-		url.pathname = withBasePath(`arcgis-server${url.pathname}`);
+		url.pathname = `/arcgis-server${url.pathname}`;
 	} else if (url.origin === 'https://services.arcgisonline.com') {
 		url.protocol = window.location.protocol;
 		url.host = window.location.host;
-		url.pathname = withBasePath(`arcgis-services${url.pathname}`);
+		url.pathname = `/arcgis-services${url.pathname}`;
 	} else if (typeof OVERRIDES !== 'undefined' && OVERRIDES?.RADAR_HOST && url.origin === `https://${OVERRIDES.RADAR_HOST}`) {
 		// Handle override radar host
 		url.protocol = window.location.protocol;
 		url.host = window.location.host;
-		url.pathname = withBasePath(`mesonet${url.pathname}`);
+		url.pathname = `/mesonet${url.pathname}`;
 	}
 
 	return url;
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