diff --git a/qurator/dinglehopper/align.py b/qurator/dinglehopper/align.py
index cc96891..968d931 100644
--- a/qurator/dinglehopper/align.py
+++ b/qurator/dinglehopper/align.py
@@ -1,7 +1,6 @@
 from .edit_distance import *
 from rapidfuzz.distance import Levenshtein
 
-
 def align(t1, t2):
     """Align text."""
     s1 = list(grapheme_clusters(unicodedata.normalize("NFC", t1)))
@@ -9,11 +8,11 @@ def align(t1, t2):
     return seq_align(s1, s2)
 
 
-def seq_align(s1, s2):
+def seq_align(s1, s2, score_hint=None):
     """Align general sequences."""
     s1 = list(s1)
     s2 = list(s2)
-    ops = Levenshtein.editops(s1, s2)
+    ops = Levenshtein.editops(s1, s2, score_hint=score_hint)
     i = 0
     j = 0
 
diff --git a/qurator/dinglehopper/cli.py b/qurator/dinglehopper/cli.py
index 7b74b78..ef101a4 100644
--- a/qurator/dinglehopper/cli.py
+++ b/qurator/dinglehopper/cli.py
@@ -4,6 +4,7 @@ import click
 from jinja2 import Environment, FileSystemLoader
 from markupsafe import escape
 from ocrd_utils import initLogging
+from math import ceil
 
 from .character_error_rate import character_error_rate_n
 from .word_error_rate import word_error_rate_n, words_normalized
@@ -13,7 +14,7 @@ from .ocr_files import extract
 from .config import Config
 
 
-def gen_diff_report(gt_in, ocr_in, css_prefix, joiner, none):
+def gen_diff_report(gt_in, ocr_in, css_prefix, joiner, none, score_hint=None):
     gtx = ""
     ocrx = ""
 
@@ -52,7 +53,7 @@ def gen_diff_report(gt_in, ocr_in, css_prefix, joiner, none):
 
     g_pos = 0
     o_pos = 0
-    for k, (g, o) in enumerate(seq_align(gt_things, ocr_things)):
+    for k, (g, o) in enumerate(seq_align(gt_things, ocr_things, score_hint)):
         css_classes = None
         gt_id = None
         ocr_id = None
@@ -109,12 +110,12 @@ def process(gt, ocr, report_prefix, *, metrics=True, textequiv_level="region"):
 
     cer, n_characters = character_error_rate_n(gt_text, ocr_text)
     char_diff_report = gen_diff_report(
-        gt_text, ocr_text, css_prefix="c", joiner="", none="·"
+        gt_text, ocr_text, css_prefix="c", joiner="", none="·", score_hint=int(ceil(cer * n_characters))
     )
 
     wer, n_words = word_error_rate_n(gt_words, ocr_words)
     word_diff_report = gen_diff_report(
-        gt_words, ocr_words, css_prefix="w", joiner=" ", none="⋯"
+        gt_words, ocr_words, css_prefix="w", joiner=" ", none="⋯", score_hint=int(ceil(wer * n_words))
     )
 
     env = Environment(
@@ -175,24 +176,6 @@ def main(gt, ocr, report_prefix, metrics, textequiv_level, progress):
     By default, the text of PAGE files is extracted on 'region' level. You may
     use "--textequiv-level line" to extract from the level of TextLine tags.
     """
-    import cProfile
-    import pstats
-    import io
-    import atexit
-
-    #print("Profiling...")
-    #pr = cProfile.Profile()
-    #pr.enable()
-
-    def exit():
-        pr.disable()
-        print("Profiling completed")
-        s = io.StringIO()
-        pstats.Stats(pr, stream=s).sort_stats("cumtime").print_stats()
-        print(s.getvalue())
-
-    #atexit.register(exit)
-
     initLogging()
     Config.progress = progress
     process(gt, ocr, report_prefix, metrics=metrics, textequiv_level=textequiv_level)
diff --git a/qurator/dinglehopper/cli_line_dirs.py b/qurator/dinglehopper/cli_line_dirs.py
index 3f8e3fc..06bbe39 100644
--- a/qurator/dinglehopper/cli_line_dirs.py
+++ b/qurator/dinglehopper/cli_line_dirs.py
@@ -4,6 +4,7 @@ import itertools
 import click
 from jinja2 import Environment, FileSystemLoader
 from ocrd_utils import initLogging
+from math import ceil
 
 from .character_error_rate import character_error_rate_n
 from .word_error_rate import word_error_rate_n, words_normalized
@@ -74,10 +75,10 @@ def process(gt_dir, ocr_dir, report_prefix, *, metrics=True):
 
         # Generate diff reports
         char_diff_report += gen_diff_report(
-            gt_text, ocr_text, css_prefix="l{0}-c".format(k), joiner="", none="·"
+            gt_text, ocr_text, css_prefix="l{0}-c".format(k), joiner="", none="·", score_hint=int(ceil(l_cer * l_n_characters))
         )
         word_diff_report += gen_diff_report(
-            gt_words, ocr_words, css_prefix="l{0}-w".format(k), joiner=" ", none="⋯"
+            gt_words, ocr_words, css_prefix="l{0}-w".format(k), joiner=" ", none="⋯", score_hint=int(ceil(l_wer * l_n_words))
         )
 
     env = Environment(
diff --git a/requirements.txt b/requirements.txt
index 3c7a257..0389f61 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,5 +9,5 @@ ocrd >= 2.20.1
 attrs
 multimethod == 1.3  # latest version to officially support Python 3.5
 tqdm
-rapidfuzz >= 2.4.2
+rapidfuzz >= 2.7.0
 six  # XXX workaround OCR-D/core#730