Kilotest: Diagnoses of ID not unique violation by HTML element 2435 on Northwest Natural Gas page

Basics

About the Northwest Natural Gas page

• URL: https://www.nwnatural.com/
• Tested 7 days ago by job wta on 2026-05-26 at 03:09

About HTML element 2435

• Tag name: path
• Text: [not applicable]
• Start tag: <path d="M12.3278613,20 C12.3193649,20 12.3108684,20 12.3023719,19.9989683 C12.0655331,19.987619 11.8637421,19.8256343 11.8106393,19.6007129 C11.7925843,19.5264269 9.96053486,12.123623 3.47667301,6.45519025 C3.25788914,6.26431656 3.23983416,5.93828366 3.43631482,5.72677498 C3.63385754,5.51423455 3.97159187,5.49772655 4.18612751,5.68756849 C9.2500183,10.1137746 11.5493731,15.4283172 12.4117639,17.9344371 C13.2571617,16.1742722 15.0403565,13.2048966 17.9312774,11.8006853 C18.1936056,11.6737801 18.5122229,11.7759233 18.6439181,12.0307655 C18.7745511,12.2856077 18.6694074,12.5951326 18.4070792,12.7230695 C14.6367746,14.5544252 12.8482696,19.5976176 12.8312766,19.6481734 C12.7579947,19.8586503 12.5551417,20 12.3278613,20" id="Fill-8579">
• XPath: /html/body/svg[1]/defs[1]/symbol[149]/g[1]/g[1]/g[1]/g[1]/g[2]/path[3]
• Bounding box: x = 0, y = 0, width = 0, height = 0

About the ID not unique issue

• Why it matters: User may be pointed to the wrong item
• Priority: highest
• Related WCAG standard: 4.1.1

Diagnoses

Here is how tools diagnose the ID not unique issue for HTML element 2435 of the Northwest Natural Gas page.

1. Duplicate id attribute value "Fill-8579" found on the web page.

   Tool: HTML CodeSniffer (Squiz Labs)

   Rule: E-WCAG2AAA.Principle4.Guideline4_1.4_1_1.F77

2. [failed]

   Tool: QualWeb (University of Lisbon)

   Rule: QW-BP30