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Issue TitleImportance
% of affected domains
Affected Domains
2
3XX redirectwarning95.2953894
3
HTTP to HTTPS redirectnotice88.0881916
4
Missing alt textwarning80.4805752
5
Meta description tag missing or emptywarning72.9730835
6
Slow pagewarning72.3724657
7
Page and SERP titles do not matchnotice68.5686857
8
Page has only one dofollow incoming internal linknotice66.2663327
9
Title too longwarning63.2633297
10
Page has links to redirectwarning62.7628544
11
H1 tag missing or emptywarning59.5596316
12
Meta description too shortwarning59.2593698
13
Open Graph tags incompletewarning56.0560813
14
Meta description too longwarning54.5545732
15
Multiple H1 tagsnotice51.3513651
16
Meta description tag missing or empty (non indexable)
warning50.8508851
17
Orphan page (has no incoming internal links) error49.9500132
18
Noindex pagewarning49.7498262
19
Redirect chainnotice45.2452908
20
Page has only one dofollow incoming internal link (non indexable)
notice44.4444926
21
4XX pageerror44.1441771
22
404 pageerror40.6406431
23
Noindex follow pagenotice38.8388806
24
Page has links to redirect (non indexable)notice38.2383160
25
Twitter card missingnotice38.0381100
26
CSS file size too largewarning37.5375385
27
Page has links to broken pageerror36.2362738
28
Title too shortwarning32.8328286
29
H1 tag missing or empty (non indexable)notice27.9279555
30
Open Graph tags missingnotice27.3273834
31
Image file size too largeerror27.3273090
32
Page has nofollow outgoing internal linksnotice26.7267473
33
Nofollow pagewarning26.3263969
34
302 redirectwarning25.6256318
35
Noindex and nofollow pagenotice25.2252986
36
Meta description too short (non indexable)notice24.6246909
37
Open Graph URL not matching canonicalwarning24.5245877
38
Redirected page has no incoming internal linkswarning24.2242380
39
Page has nofollow outgoing internal links (non indexable)
notice23.7237385
40
Title too long (non indexable)notice23.3233264
41
3XX redirect in sitemaperror22.8228871
42
Meta description too long (non indexable)notice21.0210168
43
HTTPS page has internal links to HTTP error20.5205802
44
Page has nofollow and dofollow incoming internal links
notice19.7197450
45
Low word countwarning18.2182477
46
Multiple H1 tags (non indexable)notice17.8178859
47
External 3XX redirectnotice17.3172893
48
Redirected page has no incoming internal links (non-indexable)
notice16.0160066
49
Duplicate pages without canonicalerror15.7157317
50
Image brokenerror15.4154529
51
Page has broken imageerror15.4154529
52
HTML lang attribute missingwarning15.3153063
53
Page has links to broken page (non indexable)warning14.1141204
54
Canonical URL has no incoming internal linkserror14.0140617
55
Title too short (non indexable)notice13.5135585
56
Page has nofollow and dofollow incoming internal links (non indexable)
notice13.5135017
57
HTTPS/HTTP mixed contentwarning13.3133706
58
Page has nofollow incoming internal links only (non indexable)
notice12.8128336
59
Broken redirecterror12.7126894
60
Timed outerror12.6126058
61
HTTPS page links to HTTP imagewarning12.3123542
62
Non-canonical page in sitemaperror12.1121337
63
Orphan page (has no incoming internal links) (non indexable)
warning11.9118917
64
Noindex page in sitemaperror11.6116268
65
Double slash in URLerror11.1111022
66
Low word count (non indexable)notice10.5105124
67
4XX page in sitemaperror10.0100301
68
Page has no outgoing links error9.999417
69
External 4XXnotice9.292197
70
Page has redirected imagewarning9.191617
71
Image redirectswarning9.089802
72
5XX pageerror8.585008
73
More than three parameters in URLnotice8.180840
74
HTTPS page has internal links to HTTP (non indexable)
warning7.676185
75
X-default hreflang annotation missingnotice7.373204
76
Page from sitemap timed outerror6.867988
77
Non-canonical page receives organic trafficnotice6.665646
78
Page has nofollow incoming internal links onlywarning6.262317
79
HTTPS to HTTP redirectwarning6.261663
80
3XX page receives organic trafficerror6.161526
81
Canonical points to redirecterror5.958902
82
Noindex in HTML and HTTP headerwarning5.857883
83
Title tag missing or emptyerror5.555575
84
Not compressedwarning5.251746
85
Twitter card incompletewarning5.151600
86
500 pageerror5.050121
87
External 5XXnotice5.049989
88
JavaScript brokenerror4.848330
89
Page has broken JavaScripterror4.848329
90
CSS brokenwarning4.342595
91
Page has broken CSSwarning4.342594
92
5XX page in sitemaperror4.242457
93
Not all pages from hreflang group were crawlednotice4.241649
94
External time outnotice3.736962
95
HTML file size too largewarning3.636411
96
Self-reference hreflang annotation missingwarning3.636253
97
Multiple meta description tagserror3.635697
98
Canonical from HTTP to HTTPSnotice3.534719
99
HTTP page has internal links to HTTPSnotice3.434348
100
Missing reciprocal hreflang (no return-tag)error3.130798