Readable text
How much of each page we could extract as clean text.
94%
of pages give us at least 90% of their text. The typical page gives 100%.
← The Sustainability Website Index
Sector summary
How clearly Basic Materials companies explain sustainability on their websites
We scored the sustainability pages of 32 Basic Materials companies. 18 have enough text to rank. These figures describe the sector as a whole.
Scores describe how clearly a page communicates. A high score does not mean a company is more sustainable.
72% of Basic Materials sustainability pages are hard to read
They score below 20 out of 100 for comprehensibility, which combines readability for people and for algorithms.
Rankings updated 30 Sep 2026.
Comprehensibility
How easy the text is to understand, out of 100. Poor is below 20, good is above 40.
The typical page scores 15.4 for people and 15.7 for algorithms.
- Poor
- 72%
- Fair
- 28%
- Good
- 0%
Sustainability focus
The share of a page's key terms about sustainability. Poor is below 30%, good is 50% and above.
On the typical page, 37% of key terms are about sustainability.
- Poor
- 22%
- Fair
- 78%
- Good
- 0%
Alignment
How much of a page's sustainability emphasis sits where its industry puts it. Poor is below 50%, good is 80% and above.
The typical page puts 62% of its emphasis where its industry does.
- Poor
- 11%
- Fair
- 89%
- Good
- 0%
Read the methodology for how each measure is calculated.
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