Heatmap
User Journey Heatmap
Light theme heatmap showing funnel conversion rates
Output
Python
import matplotlib.pyplot as plt
import numpy as np
from matplotlib.colors import LinearSegmentedColormap
from matplotlib.patches import FancyBboxPatch
fig, ax = plt.subplots(figsize=(14, 8), facecolor='#ffffff')
ax.set_facecolor('#ffffff')
np.random.seed(42)
pages = ['Home', 'Products', 'Cart', 'Checkout', 'Payment', 'Confirm']
user_types = ['New', 'Returning', 'VIP', 'Mobile', 'Desktop']
visits = np.random.randint(100, 1000, (len(user_types), len(pages)))
visits = (visits.T / visits.max(axis=1) * 100).T
colors = ['#1e293b', '#164e63', '#0891b2', '#22d3ee', '#a5f3fc']
cmap = LinearSegmentedColormap.from_list('funnel', colors, N=256)
cell_width = 0.88
cell_height = 0.82
for i in range(len(user_types)):
for j in range(len(pages)):
val = visits[i, j]
color = cmap(val / 100)
rect = FancyBboxPatch((j - cell_width/2, i - cell_height/2),
cell_width, cell_height,
boxstyle="round,pad=0.02,rounding_size=0.12",
facecolor=color, edgecolor='#e2e8f0', linewidth=1.5)
ax.add_patch(rect)
ax.text(j, i, f'{val:.0f}%', ha='center', va='center',
color='#1e293b' if val > 50 else '#a5f3fc', fontsize=10, fontweight='bold')
ax.set_xlim(-0.5, len(pages) - 0.5)
ax.set_ylim(-0.5, len(user_types) - 0.5)
ax.set_aspect('equal')
ax.invert_yaxis()
ax.set_xticks(range(len(pages)))
ax.set_yticks(range(len(user_types)))
ax.set_xticklabels(pages, color='#64748b', fontsize=10, fontweight='500')
ax.set_yticklabels(user_types, color='#1e293b', fontsize=11, fontweight='500')
sm = plt.cm.ScalarMappable(cmap=cmap, norm=plt.Normalize(vmin=0, vmax=100))
cbar = plt.colorbar(sm, ax=ax, shrink=0.8, aspect=30, pad=0.02)
cbar.set_label('Engagement %', color='#1e293b', fontsize=11, fontweight='500')
cbar.ax.yaxis.set_tick_params(color='#64748b')
plt.setp(plt.getp(cbar.ax.axes, 'yticklabels'), color='#64748b')
cbar.outline.set_edgecolor('#e2e8f0')
for spine in ax.spines.values():
spine.set_visible(False)
ax.set_title('User Journey Funnel Analysis', fontsize=18, color='#1e293b', fontweight='bold', pad=20)
ax.tick_params(length=0)
plt.tight_layout()
plt.show()
Library
Matplotlib
Category
Heatmaps & Density
More Heatmap examples
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