What is the biggest weakness of environmental websites?

The biggest weakness for environmental websites is AEO, with an average score of just 11 out of 100. This means most sites in this vertical have significant room for improvement in this area.

Environmental Website Audit Report - AISO Studio

Overview

The environmental industry faces a clear challenge online. Most websites in this space score well below what search engines and AI systems need to surface content. The average AISO score across all 287 sites is just 42 out of 100. That is a low bar. It also means there is a big opportunity for businesses that invest in their web presence now.

The strongest area for environmental sites is SEO, with an average of 67. The weakest area is AEO, at just 11. According to Google's SEO documentation, sites that fail to meet basic technical standards risk losing visibility in both traditional and AI-powered search results.

What does this mean for your business? If your site scores above 42, you are already ahead of most competitors. If it scores below, you risk losing traffic to rivals who fix these issues first. According to the W3C Web Accessibility Initiative, accessible websites also reach a wider audience and reduce legal risk.

Key insight: 86% of environmental websites score below 50. The majority of sites in this vertical are underperforming across multiple dimensions.

Summary Scores

AISO Score

SEO

Readability

Engagement

AEO

WCAG

Key Findings

86%

Score Below 50

More than half of sites in this vertical are underperforming.

46%

Missing Schema Markup

These sites have no structured data, making them harder for search engines and AI to understand.

19%

No Open Graph Tags

Without OG tags, shared links on social media appear without rich previews.

What This Means

These findings tell a simple story. Most environmental websites were built without modern optimization in mind. They load, they look fine, but they fail to communicate with the systems that drive traffic today.

Search engines need structured data to understand your pages. AI answer engines need clear, direct answers to cite your content. Screen readers need proper HTML to serve users with disabilities. Missing any of these means missing out on visitors, customers, and revenue.

Key Takeaways

After analyzing 287 environmental websites, here's what stands out most. These are the three most important points from the data.

Most sites score poorly overall. An average AISO score of 42 means the typical environmental website misses more than half of what modern search and AI systems look for.
AEO is the weakest link. At just 11 on average, this dimension drags down overall scores. Fixing it first gives the biggest return.
Basic technical issues are widespread. 46% of sites lack schema markup. 19% have no Open Graph tags. These are quick wins that most sites have not addressed.

Bottom line: The environmental industry is behind on web optimization. Early movers who fix these issues will gain a real edge in both search rankings and AI visibility.

How to Improve Your Score

Want to beat the average? Follow these steps in order. Each one builds on the last. Start with the basics and work your way up.

Step 1: Fix your technical SEO. Add a meta title, meta description, and canonical URL to every page. Add schema markup using JSON-LD. Add Open Graph tags so your links look good when shared. These changes take less than an hour and have an immediate impact.
Step 2: Improve readability. Rewrite your main pages at an 8th grade reading level. Use short sentences. Use simple words. Break up long paragraphs. According to Google, clear and simple content performs better in search results.
Step 3: Add engagement elements. Use headings, bullet lists, bold text, and blockquotes. Add images with descriptive alt text. Make your content easy to scan. Visitors decide within seconds whether to stay or leave.
Step 4: Optimize for AI engines. Add a FAQ section to your key pages. Use direct answer formats. Define what your business does in one clear sentence at the top of your homepage. AI systems like ChatGPT and Perplexity prefer content that gives a straight answer.
Step 5: Check accessibility. Run a WCAG audit. Ensure all images have alt text. Check that color contrast meets minimum ratios. Use semantic HTML elements like headings, lists, and landmarks. According to the W3C, over one billion people worldwide live with some form of disability.

Score Distribution

The charts below show how scores are spread across all 287 sites. The histogram groups sites by score range. The grade chart shows how many sites earned each letter grade. A score of 80 or above earns an A. Below 30 is an F.

AISO Score Ranges

0-9

10-19

20-29

30-39

40-49

148

50-59

60-69

70-79

80-89

90-99

Grade Distribution

0 (0%)

5 (2%)

36 (13%)

246 (86%)

Dimension Breakdown

Average scores across all 287 environmental websites for each scoring dimension.

SEO

Readability

Engagement

AEO

WCAG

Full Results

The table below lists all 287 websites ranked by their overall AISO score. Each row shows the total score, letter grade, and individual dimension scores. Use it to see how sites in the environmental space compare against each other.

Domains are partially blurred to protect privacy. Scores range from 0 to 100. Higher is better.

#	Domain	Score	Grade	SEO	Read.	Eng.	AEO	WCAG
1	azco*******	65	C	87	50	80	18	100
2	vlt****	64	C	92	34	85	33	93
3	mtco*******	62	C	57	67	75	33	82
4	volunt*********	62	C	89	30	90	33	80
5	turfcar***********	61	C	92	18	90	33	90
6	nature***********	59	D	91	35	100	18	55
7	genth********	58	D	67	15	90	40	96
8	groundswel****************	57	D	94	39	70	30	57
9	oregon**********	56	D	84	45	80	28	39
10	wvland*********	56	D	74	92	60	10	27
11	seac*****	54	D	89	58	60	18	43
12	asr*****	54	D	62	34	80	20	87
13	vermontriv*****************	54	D	84	50	60	10	73
14	wcs****	53	D	64	58	58	10	78
15	conserva**************	53	D	89	34	65	10	78
16	kansasw************	52	D	79	45	70	20	48
17	nrc*****	52	D	82	40	80	10	53
18	cascoba************	52	D	83	27	80	10	71
19	environme***************	52	D	84	32	63	10	81
20	nhriv*******	52	D	74	44	58	10	83
21	sdconservat******************	52	D	61	59	58	10	73
22	conserva*************	52	D	81	27	80	18	60
23	mgn*****	52	D	79	29	85	10	67
24	gatheri************	52	D	64	61	68	10	53
25	clf****	51	D	76	40	70	10	62
26	rockymou*************	51	D	59	59	75	10	50
27	annarbora****************	51	D	62	34	80	10	80
28	moenvi***********	51	D	79	50	60	18	48
29	mnla******	51	D	74	45	80	18	36
30	clsp*******	51	D	82	23	65	10	92
31	natural************	51	D	89	44	55	18	53
32	dec.******	51	D	70	29	68	18	86
33	nhmu.********	51	D	67	46	60	10	83
34	nationa************	51	D	79	27	65	10	91
35	a-lo*******	50	D	74	32	68	10	80
36	delawaren****************	50	D	71	53	60	18	46
37	floridas*************	50	D	82	25	60	26	67
38	bridgin***********	50	D	86	44	70	18	29
39	conse*********	50	D	72	44	55	10	80
40	libguid***********	50	D	67	27	85	10	70
41	fws****	50	D	69	39	75	10	64
42	southalab****************	49	F	67	42	75	10	53
43	nature*********	49	F	52	89	8	0	100
44	ctrc*****	49	F	67	22	73	10	91
45	delc*******	49	F	65	31	56	10	100
46	mighty*********	49	F	75	15	75	10	90
47	citizensfo*****************	49	F	74	37	65	10	67
48	kansansfor****************	49	F	77	18	65	10	94
49	evergreenh*****************	49	F	77	32	60	10	75
50	mopra********	49	F	74	38	70	10	57
51	sdhabi***********	49	F	80	34	45	0	100
52	newilder*************	49	F	84	34	85	10	32
53	jhall*********	49	F	73	53	78	10	26
54	environm**************	48	F	89	16	65	10	73
55	conserv***********	48	F	76	29	73	18	48
56	ctri*******	48	F	79	21	55	10	91
57	conser*********	48	F	86	19	73	10	64
58	kygi*******	48	F	52	59	43	10	82
59	necon*********	48	F	37	52	75	10	69
60	clearwate****************	48	F	81	28	55	18	67
61	intoth***********	48	F	62	29	78	10	71
62	wisconsi**************	48	F	84	34	70	10	43
63	wildar*********	47	F	84	25	85	18	24
64	caus*******	47	F	79	0	73	28	73
65	theconserva******************	47	F	66	43	68	10	50
66	umai******	47	F	79	21	65	10	73
67	ccam*****	47	F	86	26	65	10	57
68	conservat****************	47	F	60	35	50	20	83
69	njconse***********	47	F	74	58	75	10	3
70	conse*********	47	F	94	24	85	18	9
71	conse*********	47	F	81	35	70	10	42
72	cawa******	46	F	74	23	60	10	73
73	agricult**************	46	F	75	9	76	10	80
74	hogsyn**********	46	F	55	23	60	10	100
75	delaware*************	46	F	72	32	55	10	73
76	indianana**************	46	F	84	18	78	10	50
77	india********	46	F	77	24	75	10	48
78	conservi*************	46	F	72	47	60	10	37
79	conserva*************	46	F	57	44	70	18	43
80	web.idaho**************	46	F	67	24	78	10	63
81	eec.******	46	F	62	22	65	10	89
82	livinglan***************	46	F	49	39	75	10	63
83	scw*****	46	F	69	44	65	10	38
84	earthsh*************	46	F	66	29	73	10	59
85	vtecos**********	46	F	84	38	65	10	30
86	natu******	45	F	82	40	55	10	40
87	sierr*********	45	F	72	27	73	10	50
88	cej*****	45	F	57	30	60	10	82
89	landtrust****************	45	F	72	46	65	10	29
90	environme**************	45	F	74	32	68	10	47
91	cbtr*******	45	F	66	32	78	10	44
92	volunt***********	45	F	52	37	50	10	91
93	steinha***********	45	F	92	0	56	10	92
94	cvn*****	45	F	67	40	85	10	19
95	een*****	45	F	71	24	85	10	40
96	ctn*****	45	F	71	41	60	10	41
97	dem.******	45	F	62	0	85	10	92
98	landtr*********	45	F	66	48	61	10	40
99	tnw*****	45	F	76	30	50	10	67
100	conserv*************	45	F	81	29	60	18	39
101	texasen*************	45	F	69	48	75	0	25
102	conserv***********	45	F	74	43	75	10	19
103	guides***********	45	F	60	15	71	10	89
104	azsus********	44	F	76	7	80	10	57
105	nrcs.********	44	F	62	33	70	10	50
106	onehund************	44	F	74	34	75	10	22
107	ilenv*******	44	F	87	0	73	10	64
108	conserv***********	44	F	59	39	53	10	63
109	india*********	44	F	74	25	73	10	41
110	esp.******	44	F	65	20	50	10	92
111	kac*****	44	F	65	32	60	10	58
112	kyr*****	44	F	57	55	60	10	33
113	mei*****	44	F	82	0	76	10	68
114	envl*****	44	F	89	12	73	10	41
115	ncwil*********	44	F	70	20	73	10	58
116	duck*****	44	F	70	26	63	18	50
117	gogre********	44	F	92	20	71	18	20
118	gf.n*****	44	F	67	6	65	10	92
119	wildlife**************	44	F	69	27	78	10	41
120	orego*********	44	F	76	38	60	10	33
121	easternri****************	44	F	74	48	53	0	44
122	envir*********	44	F	81	12	80	10	43
123	tenng********	44	F	89	3	60	25	54
124	healu*******	44	F	69	39	68	10	30
125	seatt*******	44	F	84	12	38	10	100
126	conserva**************	44	F	69	49	50	10	37
127	iserc*********	44	F	86	20	60	10	50
128	bethech***********	43	F	57	18	58	10	91
129	keepi*******	43	F	79	39	48	16	33
130	scaw*******	43	F	74	25	38	10	79
131	nhsp*******	43	F	42	57	55	43	4
132	forest***********	43	F	62	30	58	10	64
133	conservati****************	43	F	74	16	50	10	82
134	nclct********	43	F	86	36	63	10	17
135	centralpa***************	43	F	77	22	65	18	36
136	pecp*****	43	F	69	16	68	10	64
137	sustainso***************	43	F	71	22	65	0	70
138	waconserv***************	43	F	86	24	55	10	47
139	iserv*********	43	F	52	26	50	10	91
140	sonoran*************	42	F	64	40	58	10	39
141	ctconse***********	42	F	42	44	53	10	69
142	wildlif************	42	F	69	33	85	10	6
143	iaenvi***********	42	F	50	44	60	18	35
144	lyoncou************	42	F	67	24	51	10	70
145	lawild***********	42	F	66	17	80	10	45
146	nature**********	42	F	59	26	60	18	55
147	wmea*****	42	F	67	29	60	10	50
148	confe*******	42	F	69	25	85	18	11
149	montan*********	42	F	52	24	70	10	63
150	monadnock***************	42	F	52	39	55	10	58
151	seat*******	42	F	71	37	60	10	33
152	oregon***********	42	F	81	13	75	7	41
153	sdconse***********	42	F	57	23	48	18	80
154	sagelandc****************	42	F	76	22	65	10	40
155	dcr.vi**********	42	F	72	0	75	17	63
156	pecv*****	42	F	79	8	73	10	50
157	cleanf**********	42	F	76	23	80	10	22
158	rockfall**************	41	F	69	33	65	18	15
159	ctlc*****	41	F	52	15	70	10	71
160	ccafl*********	41	F	59	49	60	10	21
161	nfw*****	41	F	79	12	60	10	53
162	swc.i********	41	F	66	0	60	10	90
163	iucorps************	41	F	74	0	55	10	89
164	iowaco***********	41	F	60	27	75	10	38
165	mainecon*************	41	F	74	0	78	10	57
166	thebea*********	41	F	79	17	53	10	54
167	nevadacons******************	41	F	55	23	73	10	50
168	bigdayo***********	41	F	82	22	70	0	33
169	theo******	41	F	71	30	50	10	47
170	ncsoil*********	41	F	79	6	65	10	59
171	myow*****	41	F	74	45	43	0	39
172	lowcountr**************	41	F	69	26	60	10	47
173	giveg********	41	F	56	35	68	10	33
174	harpethc**************	41	F	64	38	60	10	31
175	ecology***********	41	F	69	16	60	10	60
176	wild*******	41	F	79	11	55	10	60
177	jhwil*********	41	F	57	25	63	10	57
178	akwil*********	40	F	69	29	35	0	82
179	susc******	40	F	74	29	50	18	26
180	conserv************	40	F	66	50	45	0	33
181	protec**********	40	F	79	4	70	10	50
182	massau*********	40	F	72	27	70	10	21
183	muc*****	40	F	79	35	55	10	17
184	sciencef**************	40	F	79	20	60	10	35
185	3vc*****	40	F	42	33	50	10	75
186	earths**********	40	F	64	0	53	10	94
187	tpw*****	40	F	61	19	60	10	62
188	hillcount**************	40	F	52	41	73	10	17
189	wicci*********	40	F	74	0	40	10	100
190	alabama***********	39	F	59	32	68	10	22
191	arkansa************	39	F	59	33	68	10	24
192	partnershi****************	39	F	55	10	63	10	71
193	hawaiicommu******************	39	F	44	24	55	10	75
194	ecology.*************	39	F	72	0	50	10	82
195	mississippiv********************	39	F	52	28	58	10	56
196	caldwe*********	39	F	54	0	75	10	75
197	tcate*******	39	F	61	37	50	10	35
198	adventure***************	38	F	62	0	60	18	67
199	environme**************	38	F	82	8	65	10	32
200	arkansa*************	38	F	49	0	85	10	64
201	envirovo**************	38	F	76	0	75	10	39
202	kace*****	38	F	69	5	50	10	75
203	kyconserv**************	38	F	54	17	70	10	47
204	lagree**********	38	F	44	46	60	18	17
205	moch*****	38	F	79	21	55	10	26
206	njenvi***********	38	F	50	29	75	10	25
207	nmfw******	38	F	64	0	53	10	85
208	ncconserv****************	38	F	69	24	53	10	36
209	ohioconserv*******************	38	F	67	21	70	10	20
210	provga**********	38	F	65	0	56	20	67
211	members.ut****************	38	F	59	0	70	10	65
212	conser*********	38	F	64	30	55	10	28
213	apphea***********	38	F	64	35	55	10	23
214	cfp-******	38	F	54	7	60	10	74
215	edf****	38	F	67	0	65	10	67
216	alaskaconse********************	37	F	42	19	80	18	31
217	dnrec.d***********	37	F	79	0	70	10	33
218	sandie*********	37	F	60	1	48	10	88
219	ctla******	37	F	40	25	55	10	64
220	gnrf.*********	37	F	47	16	55	10	70
221	sctlan**********	37	F	66	25	70	10	13
222	mcfk*****	37	F	50	36	38	10	54
223	louisia*************	37	F	69	0	83	10	30
224	marlbor***********	37	F	57	0	50	20	79
225	mepart***********	37	F	64	23	55	10	37
226	mswil*********	37	F	50	31	58	10	38
227	greatery**************	37	F	61	42	45	0	38
228	tlc-******	37	F	69	15	50	10	50
229	ciuda*********	37	F	60	6	43	10	87
230	oklahomac***************	37	F	47	25	73	10	30
231	publicw*************	37	F	44	32	60	10	40
232	vcnv*****	37	F	79	10	55	10	41
233	vnr*****	37	F	57	23	70	10	25
234	wildvi**********	37	F	66	0	75	10	46
235	indiana************	36	F	69	14	60	10	30
236	esl*****	36	F	64	26	50	10	32
237	huron*********	36	F	69	31	50	0	32
238	nace*****	36	F	73	7	50	10	50
239	njedl.***********	36	F	57	0	43	10	92
240	ohio*******	36	F	44	34	73	10	11
241	okcbea**********	36	F	56	20	50	10	55
242	wecons**********	36	F	66	12	73	10	18
243	tect*****	36	F	50	4	63	18	56
244	freshwat**************	35	F	67	32	50	10	11
245	environment********************	35	F	57	32	33	0	63
246	ndnr*****	35	F	40	18	38	10	89
247	daytonf*************	35	F	62	8	68	10	31
248	sustainabil******************	35	F	69	0	68	10	37
249	lrwpar*********	35	F	52	0	68	10	62
250	wisco*******	35	F	62	0	70	10	47
251	defen********	35	F	77	22	55	0	18
252	blackwar*************	34	F	56	0	58	18	50
253	alaskaco**************	34	F	71	1	65	10	31
254	prote********	34	F	47	25	50	10	44
255	ground***********	34	F	72	9	60	10	22
256	okwc*****	34	F	54	17	60	10	32
257	wvhigh*********	34	F	69	15	60	10	15
258	eco-*******	33	F	57	19	33	0	71
259	hawaiico**************	33	F	57	15	50	10	38
260	corpsn**********	33	F	49	18	75	10	13
261	ndenvi**********	33	F	47	8	65	18	33
262	join*******	32	F	52	0	50	10	67
263	outside***********	32	F	69	0	75	10	7
264	wild******	31	F	59	17	50	10	18
265	members.k***************	31	F	66	0	55	10	29
266	walker*********	31	F	66	19	45	0	29
267	sciw******	31	F	69	0	65	10	13
268	delawarer**************	30	F	52	0	63	10	36
269	coastal*************	30	F	47	0	58	10	45
270	okconse***********	30	F	73	0	50	10	21
271	nric*****	30	F	34	32	65	0	14
272	tnconserv***************	30	F	50	10	38	10	50
273	main*****	29	F	59	0	50	10	35
274	audubon************	28	F	59	16	35	0	32
275	nycgov*********	28	F	67	0	50	10	15
276	prp*****	28	F	50	0	50	10	42
277	columb***********	28	F	54	8	45	0	38
278	campd*********	27	F	52	6	43	18	19
279	boricorps****************	27	F	35	20	48	10	21
280	hawaiien*************	26	F	40	0	33	10	64
281	chicagoe**************	23	F	32	27	23	8	22
282	illino**********	22	F	32	0	45	10	33
283	umary********	22	F	15	39	15	15	20
284	conserv***********	19	F	10	30	0	0	60
285	chicagow*************	19	F	27	0	45	10	19
286	mascerca.pa******************	18	F	5	54	0	0	20
287	laco*******	17	F	42	11	20	0	14

Frequently Asked Questions

What is the average AISO score for environmental websites?

The average AISO score for environmental websites is 42 out of 100. This is based on a scan of 287 sites in the nonprofit industry. The score combines five dimensions: SEO (67), readability (25), engagement (62), AEO (11), and WCAG accessibility (52).

How do environmental websites perform on accessibility?

The average WCAG score is 52 out of 100. Many environmental websites still lack basic accessibility features like alt text on images, proper heading structure, and sufficient color contrast. Improving accessibility helps you reach more users and reduces legal risk.

Are environmental websites ready for AI search engines?

Not yet. The average AEO score is 11 out of 100. AI engines like ChatGPT, Perplexity, and Google AI Overview need structured data, FAQ sections, and direct answer formats to cite a website. Currently, 46% of environmental sites have no schema markup at all.

What is the biggest weakness for environmental websites?

The weakest dimension is AEO, with an average score of just 11. This represents the area where environmental websites have the most room to grow. Focusing improvement efforts here will have the largest impact on overall scores.

How can I check my own website's score?

You can run a free audit on any website using AISO Studio. Enter your URL and get a full breakdown of your SEO, readability, engagement, AEO, and WCAG scores in under a minute. No signup required.

Methodology

We score each website across five areas. The AISO Score is a weighted mix of all five. It shows how well a site works for both people and AI systems. Here is what each area measures.

SEO checks meta tags, schema markup, headings, and other signals search engines use to crawl and index pages.
Readability looks at sentence length, word complexity, and plain language. Higher scores mean easier reading.
Engagement counts headings, lists, bold text, images, and other elements that make content easy to scan.
AEO checks if AI engines can find and cite the content. It looks for FAQ sections, direct answers, and structured data.
WCAG tests for color contrast, alt text, ARIA labels, and proper HTML. It follows the W3C accessibility guidelines.

SEO (Technical Search Optimization)

Checks meta titles, descriptions, canonical URLs, schema markup, Open Graph tags, heading structure, and other signals that help search engines crawl and index a page.

Readability

Measures the Flesch Reading Ease score, average sentence length, and word complexity. Higher scores mean the content is easier for the public to read and understand.

Engagement

Looks at content formatting: headings, lists, bold text, blockquotes, images, and other elements that make content easy to scan and read.

AEO (AI Engine Optimization)

Checks how well content is set up for AI answer engines like ChatGPT, Perplexity, and Google AI Overview. Looks for direct answer formats, FAQ sections, and clear definitions.

WCAG (Accessibility)

Tests for Web Content Accessibility Guidelines compliance: color contrast, alt text, ARIA labels, semantic HTML, and keyboard navigation support.

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