Heatmap

User Journey Heatmap

Light theme heatmap showing funnel conversion rates

Output
User Journey Heatmap
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

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