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6% of pages6%of pages

Compatibility

6 pages with browser compatibility issues

worse than average6% of the pages on this site have browser compatibility issues, which is worse than average. The percentage of pages with browser compatibility issues averages 5% on other sites.

This tab shows pages that exhibit browser-specific behavior, or trigger browser bugs.

BrowserEdgeFirefoxSafariOperaChromeiOSAndroid
Version148≤ 149150≤ 1826130148≤ 1826148Key
Critical IssuesCritical, no issuesCritical, no issuesCritical, no issuesCritical, no issuesCritical, no issuesCritical, no issuesCritical, no issuesCritical, no issuesCritical, no issuesCritical, no issuesCritical Missing content or functionality
Major IssuesVery Important, 1 issuesVery Important, 1 issuesVery Important, 1 issuesVery Important, 1 issuesVery Important, 1 issuesVery Important, 1 issuesVery Important, 1 issuesVery Important, 1 issuesVery Important, 1 issuesVery Important, 1 issuesVery Important Major layout or performance problems
Minor IssuesImportant, 1 issuesImportant, 1 issuesImportant, 1 issuesImportant, 1 issuesImportant, 1 issuesImportant, 1 issuesImportant, 1 issuesImportant, 1 issuesImportant, 1 issuesLess Important Minor layout or performance problems
PriorityDescription and URLGuideline and Line NumberCount

Priority 2

1 issues on 6 pages

Very ImportantThis page has no DOCTYPE which triggers quirks mode. Quirks mode forces modern browsers to emulate Netscape Navigator 4 and Internet Explorer 5, changing the way CSS selectors match and how CSS layout works. Edge Firefox Safari Opera Chrome Android iOS 6 pages
Add a <!DOCTYPE html> statement to the top of the document. Rule: BugQuirksNoDocType
<html><head><title>Welcome ... Page]</title><style>...</style>...</head>...</html>
Line 1

https://www.w3.org/WAI/demos/bad/before/annotated/home.html

<html><head><title>Welcome ... Page]</title><style>...</style>...</head>...</html>
Line 2

https://www.w3.org/WAI/demos/bad/before/home.html

<html><head><title>Welcome ... Page]</title><style>...</style>...</head>...</html>
Line 1

https://www.w3.org/WAI/demos/bad/before/news.html

<html><head><title>Welcome ... Page]</title><style>...</style>...</head>...</html>
Line 1

https://www.w3.org/WAI/demos/bad/before/tickets.html

This issue was found on another 2 pages. The trial version is limited to showing issues on 4 pages.

Priority 3

1 issues on 1 pages

ImportantThe bordercolor, bordercolordark and bordercolorlight attributes are IE specific extensions. Firefox Safari iOS Opera Chrome Android Android 1 pages
Rule: BugNonStdBorderColor
<table width='250px' border='1' bordercolor='#C0C0C0' rules='rows'>...</table>
Line 177

https://www.w3.org/WAI/demos/bad/before/tickets.html

Expand all 2 issues