🍋 SEO Tools

Heading Analyzer

Extract and analyze HTML heading structure for SEO

Free ブラウザのみ No sign-up 人気

入力

chars words sentences lines

2つ目の入力

結果

Heading Analyzerについて

Paste your HTML and see the complete heading hierarchy (H1-H6). Identify missing headings, skipped levels, duplicate H1 tags, and other structural issues that affect SEO and accessibility.

仕組み

The tool parses HTML to extract all heading tags (h1-h6) and builds a hierarchical tree. It checks for common issues like missing H1, skipped levels (e.g., H2→H4), and multiple H1 tags.

ステップごとの使い方

1 [
2 '
3 P
4 a
5 s
6 t
7 e
8
9 y
10 o
11 u
12 r
13
14 H
15 T
16 M
17 L
18
19 c
20 o
21 n
22 t
23 e
24 n
25 t
26
27 i
28 n
29 t
30 o
31
32 t
33 h
34 e
35
36 i
37 n
38 p
39 u
40 t
41
42 a
43 r
44 e
45 a
46 '
47 ,
48
49 '
50 C
51 l
52 i
53 c
54 k
55
56 A
57 n
58 a
59 l
60 y
61 z
62 e
63
64 t
65 o
66
67 e
68 x
69 t
70 r
71 a
72 c
73 t
74
75 a
76 l
77 l
78
79 h
80 e
81 a
82 d
83 i
84 n
85 g
86 s
87 '
88 ,
89
90 '
91 R
92 e
93 v
94 i
95 e
96 w
97
98 t
99 h
100 e
101
102 h
103 e
104 a
105 d
106 i
107 n
108 g
109
110 t
111 r
112 e
113 e
114
115 a
116 n
117 d
118
119 a
120 n
121 y
122
123 w
124 a
125 r
126 n
127 i
128 n
129 g
130 s
131 '
132 ]

ヒント

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'
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H
1
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D
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—
g
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H
1
→
H
2
→
H
3
,
n
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H
1
→
H
3
"
,
'
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]

Categories

Heading Analyzer

結果

Heading Analyzerについて

仕組み

ステップごとの使い方

ヒント

よくある質問