Kilotest: Diagnoses of ID not unique violation by HTML element 2434 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 2434

• Tag name: path
• Text: [not applicable]
• Start tag: <path d="M1.53441358,1.31541908 C0.378575725,4.37303235 1.15906417,9.59585528 2.71309015,11.4916989 C3.71600788,12.7141273 4.84503506,13.4163297 5.80922626,13.4163297 C6.82108087,13.4163297 7.67207145,12.6370187 8.33737331,11.0999872 C8.3870227,10.981754 8.47837759,10.8902518 8.59058521,10.838846 C9.99566301,10.2044992 10.8198429,9.37789495 11.0422722,8.38062364 C11.2696664,7.3669025 10.8536045,6.12082742 9.90132917,4.96008587 C8.97387852,3.82813153 7.56482877,3.47857251 5.93434272,3.07555153 C4.51834206,2.7249644 2.93353345,2.33222457 1.53441358,1.31541908 M5.80922626,14.4444444 C4.55210364,14.4444444 3.14801883,13.6106434 1.9574264,12.155861 C0.0796863832,9.86727757 -0.784213043,3.57418718 0.902873308,0.272910719 C0.974368433,0.135143343 1.10047789,0.0395286707 1.24843308,0.00868522819 C1.39440229,-0.0190738701 1.54732242,0.0199944905 1.663502,0.121777851 C2.99907065,1.29177244 4.60870395,1.68965285 6.1647159,2.07519588 C7.89052878,2.50289161 9.52101482,2.90694071 10.6579859,4.29489562 C11.3381826,5.122528 12.4185534,6.78704578 12.0104354,8.61297758 C11.7224689,9.89812102 10.7652286,10.9354888 9.1635392,11.7004062 C8.12685989,13.9622586 6.77341745,14.4444444 5.80922626,14.4444444" id="Fill-8578">
• XPath: /html/body/svg[1]/defs[1]/symbol[149]/g[1]/g[1]/g[1]/g[1]/g[2]/path[2]
• 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 2434 of the Northwest Natural Gas page.

1. Duplicate id attribute value "Fill-8578" 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