Issues
Accessibility: WCAG 2.0 A – SVG Images & Graphics Require Accessible Text
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- Internal Redirection (Meta Refresh)
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- External No Response
- External Client Error (4XX)
- External Server Error (5XX)
- Security
- HTTP URLs
- Mixed Content
- Form URL Insecure
- Form On HTTP URL
- Missing HSTS Header
- Unsafe Cross Origin Links
- Protocol-Relative Resource Links
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- Missing X-Content-Type-Options Header
- Missing X-Frames-Options Header
- Missing Secure Referrer-Policy Header
- Bad Content Type
- Hreflang
- Non-200 Hreflang URLs
- Missing Return Links
- Inconsistent Language & Region Confirmation Links
- Non-Canonical Return Links
- Noindex Returns Links
- Incorrect Language & Region Codes
- Multiple Entries
- Not Using Canonical
- Outside <head>
- Unlinked Hreflang URLs
- Missing Self Reference
- Missing X-Default
- JavaScript
- Noindex Only in Original HTML
- Nofollow Only in Original HTML
- Canonical Mismatch
- Uses Old AJAX Crawling Scheme URLs
- Uses Old AJAX Crawling Scheme Meta Fragment Tag
- Pages with Blocked Resources
- Contains JavaScript Links
- Contains JavaScript Content
- Page Title Only in Rendered HTML
- Page Title Updated by JavaScript
- Meta Description Only in Rendered HTML
- Meta Description Updated by JavaScript
- H1 Only in Rendered HTML
- H1 Updated by JavaScript
- Canonical Only in Rendered HTML
- Pages With JavaScript Errors
- Links
- Outlinks To Localhost
- Pages Without Internal Outlinks
- Non-Indexable Page Inlinks Only
- Internal Nofollow Outlinks
- Pages With High External Outlinks
- Pages With High Internal Outlinks
- Follow & Nofollow Internal Inlinks To Page
- Internal Nofollow Inlinks Only
- Pages With High Crawl Depth
- Internal Outlinks With No Anchor Text
- Non-Descriptive Anchor Text In Internal Outlinks
- AMP
- Non-200 Response
- Missing Non-AMP Return Link
- Missing Canonical to Non-AMP
- Non-Indexable Canonical
- Missing <html amp> Tag
- Missing/Invalid Doctype HTML Tag
- Missing Head Tag
- Missing Body Tag
- Missing Canonical
- Missing/Invalid Meta Charset Tag
- Missing/Invalid Meta Viewport Tag
- Missing/Invalid AMP Script
- Missing/Invalid AMP Boilerplate
- Contains Disallowed HTML
- Other Validation Errors
- Indexable
- PageSpeed
- Eliminate Render-Blocking Resources
- Properly Size Images
- Defer Offscreen Images
- Minify CSS
- Minify JavaScript
- Reduce Unused CSS
- Reduce Unused JavaScript
- Efficiently Encode Images
- Serve Images in Next-Gen Formats
- Enable Text Compression
- Preconnect to Required Origin
- Reduce Server Response Times (TTFB)
- Preload Key Requests
- Reduce JavaScript Execution Time
- Serve Static Assets With An Efficient Cache Policy
- Minimize Main-Thread Work
- Image Elements Do Not Have Explicit Width & Height
- Avoid Large Layout Shifts
- Avoid Serving Legacy JavaScript to Modern Browsers
- Avoid Multiple Page Redirects
- Use Video Format for Animated Images
- Avoid Excessive DOM Size
- Ensure Text Remains Visible During Webfont Load
- Accessibility
- Best Practice – Accesskey Attribute Value Must Be Unique
- Best Practice – Elements Must Not Have Tabindex Greater Than Zero
- Best Practice – ARIA Dialog & Alertdialog Require Accessible Name
- Best Practice – ARIA Treeitem Nodes Require Accessible Name
- Best Practice – Role=text Should Have No Focusable Descendants
- Best Practice – Form Elements Should Have Visible Label
- Best Practice – Frames Should Be Tested With axe-core
- Best Practice – Scope Attribute Should Be Used Correctly On Tables
- WCAG 2.0 A – Scrollable Region Requires Keyboard Access
- WCAG 2.0 A – Required ARIA Attributes Must Be Provided
- WCAG 2.0 A – ARIA Attribute Must Be Used As Specified For Role
- WCAG 2.0 A – ARIA Attributes Require Valid Values
- WCAG 2.0 A – ARIA Attributes Require Valid Names
- WCAG 2.0 A – ARIA Commands Require Accessible Name
- WCAG 2.0 A – ARIA Input Fields Require Accessible Name
- WCAG 2.0 A – ARIA Meter Nodes Require Accessible Name
- WCAG 2.0 A – ARIA Progressbar Nodes Require Accessible Name
- WCAG 2.0 A – ARIA Roles Must Be Contained By Required Parent
- WCAG 2.0 A – ARIA Roles Require Valid Values
- WCAG 2.0 A – ARIA Toggle Fields Require Accessible Name
- WCAG 2.0 A – ARIA Tooltip Nodes Require Accessible Name
- WCAG 2.0 A – Certain ARIA Roles Must Contain Specific Children
- WCAG 2.0 A – Aria-braille Require Non-braille Equivalent
- WCAG 2.0 A – Aria-hidden Elements Contains Focusable Elements
- WCAG 2.0 A – Aria-hidden=true Must Not Be Used In <body>
- WCAG 2.0 A – Elements Must Only Use Permitted ARIA Attributes
- WCAG 2.0 A – Elements Must Use Allowed ARIA Attributes
- WCAG 2.0 A – IDs Used In ARIA & Labels Must Be Unique
- WCAG 2.0 A – Page Requires Means To Bypass Repeated Blocks
- WCAG 2.0 A – Form <input> Elements Require Labels
- WCAG 2.0 A – Frames Require Title Attribute
- WCAG 2.0 A – Frames Require Unique Title Attribute
- WCAG 2.0 A – Frames With Focusable Content Must Not Use tabindex=-1
- WCAG 2.0 A – Page Must Contain <title>
- WCAG 2.0 A – HTML Element Lang Attribute Value Must Be Valid
- WCAG 2.0 A – HTML Element Requires Lang Attribute
- WCAG 2.0 A – Image Button Requires Alternate Text
- WCAG 2.0 A – Images Require Alternate Text
- WCAG 2.0 A – <object> Elements Require Alternate Text
- WCAG 2.0 A – Active <area> Elements Require Alternate Text
- WCAG 2.0 A – Elements Marked role=img Require Alternate Text
- WCAG 2.0 A – SVG Images & Graphics Require Accessible Text
- WCAG 2.0 A – <video> Elements Require <track> For Captions
- WCAG 2.0 A – <video> or <audio> Elements Must Not Auto-play
- WCAG 2.0 A – Buttons Require Discernible Text
- WCAG 2.0 A – Input Buttons Require Discernible Text
- WCAG 2.0 A – Links Require Discernible Text
- WCAG 2.0 A – Links Must Be Distinguishable
- WCAG 2.0 A – Select Element Requires Accessible Name
- WCAG 2.0 A – Summary Elements Require Discernible Text
- WCAG 2.0 A – Deprecated <marquee> Element Must Not Be Used
- WCAG 2.0 A – Interactive Controls Must Not Be Nested
- WCAG 2.0 A – List Items Must Be Contained In List Elements
- WCAG 2.0 A – Lists Must Only Contain <li> Content Elements
- WCAG 2.0 A – <dt> & <dd> Elements Must Be Contained by <dl>
- WCAG 2.0 A – <dl> Must Only Have Ordered <dt> & <dd> Groups
- WCAG 2.0 A – <blink> Elements Deprecated & Must Not Be Used
- WCAG 2.0 A – <th> Element Requires Associated Data Cells
- WCAG 2.0 A – Table Header Attr Must Refer To Cell In Same Table
- WCAG 2.0 AA – Meta Viewport Zoom & Scaling Disabled
- WCAG 2.0 AA – Lang Attribute Requires Valid Value
- WCAG 2.0 AA – Text Requires Higher Color Contrast to Background
- WCAG 2.0 AAA – Text Requires Higher Color Contrast Ratio
- WCAG 2.1 AA – Autocomplete Attribute Must Be Used Correctly
- WCAG 2.1 AA – Inline Text Spacing Must Be Adjustable
- WCAG 2.2 AA – Touch Targets Require Sufficient Size & Spacing
- Best Practice – Skip-link Target Should Exist & Be Focusable
- Best Practice – All Page Content Must Be Contained By Landmarks
- Best Practice – Page Requires One Main Landmark
- Best Practice – Page Must Not Have More Than One Banner Landmark
- Best Practice – Banner Landmark Must Not Be In Another Landmark
- Best Practice – Page Must Not Have Multiple Contentinfo Landmarks
- Best Practice – Page Requires At Most One Main Landmark
- Best Practice – Complementary Landmarks & Asides Must Be Top Level
- Best Practice – Contentinfo Landmark Must Be Top Level Landmark
- Best Practice – Main Landmark Must Not Be In Another Landmark
- Best Practice – Landmarks Require Unique Role Or Accessible Name
- Best Practice – Page Must Contain <h1>
- Best Practice – Heading Levels Should Only Increase By One
- WCAG 2.0 A – Form Field Must Not Have Multiple Label Elements
- WCAG 2.0 A – HTML Lang & XML Lang Value Should Match
- Best Practice – Ensure Elements Marked Presentational Are Ignored
- Best Practice – ARIA Role Should Be Appropriate For Element
- Best Practice – Headings Should Not Be Empty
- Best Practice – Meta Viewport Should Allow Zoom & Scale Up to 500%
- Best Practice – Alt Text Should Not Be Repeated As Text
- Best Practice – Table Headers Require Discernible Text
- Best Practice – Table With Identical Summary & Caption Text
- WCAG 2.0 A – Deprecated ARIA Roles Must Not Be Used
- WCAG 2.0 A – Server-Side Image Maps Must Not Be Used
- WCAG 2.0 AAA – Delayed Meta Refresh Must Not Be Used
- WCAG 2.0 AAA – Links With Same Accessible Name
WCAG 2.0 A – SVG Images & Graphics Require Accessible Text
SVG elements with an <img>, graphics-document or graphics-symbol role must have an accessible text alternative.
How to Analyse in the SEO Spider
To populate this filter ‘Accessibility’ must be enabled via ‘Config > Spider > Extraction’ and ‘JavaScript rendering’ mode via ‘Config > Spider > Rendering’.
View URLs with this issue in the ‘Accessibility’ tab and ‘SVG Images & Graphics Require Accessible Text’ filter.
Use the lower ‘Accessibility Details’ tab to click on the issue on the left-hand side, and see details of the location on the page of the violation on the right-hand side.
Bulk export the pages and details of the accessibility violations via ‘Bulk Export > Accessibility > All Violations’.
What Triggers This Issue
Please view the Deque University website further reading link below for ruleset triggers.
How To Fix
Ensure <svg> elements with an img, graphics-document or graphics-symbol role have an accessible text.
Further Reading
- SVG elements with an img role must have an alternative text - From Deque University