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cdp.net website review
Visit site (opens in a new tab)Reviewed 4 November 202643 issues · 108 checks
This review found 43 issues worth fixing on cdp.net, 13 of them high impact, across 108 checks. The most urgent: reduce initial server response time. Your full playbook turns these into prioritised fixes alongside reviews, competitors and channels.
- Homepage
- Phone render
- Links and pages
- Google PageSpeed
Google PageSpeed Insights (opens in a new tab), mobile
Site score
81BClosest competitors among reviewed websites
Compare side by sideShow as table
| Date | Real-visitor load time (LCP) |
|---|---|
| May 16, 2026 | 3.1 s |
| May 23, 2026 | 3.2 s |
| May 30, 2026 | 3.2 s |
| Jun 6, 2026 | 3.1 s |
| Jun 13, 2026 | 3.2 s |
| Jun 20, 2026 | 3.1 s |
| Jun 27, 2026 | 3.1 s |
| Jul 4, 2026 | 3.2 s |
| Jul 11, 2026 | 3.2 s |
| Jul 18, 2026 | 3.2 s |
| Jul 25, 2026 | 3.1 s |
| Aug 1, 2026 | 3.1 s |
| Aug 8, 2026 | 3.2 s |
| Aug 15, 2026 | 3.2 s |
| Aug 22, 2026 | 3.3 s |
| Aug 29, 2026 | 3.3 s |
| Sep 5, 2026 | 3.4 s |
| Sep 12, 2026 | 3.4 s |
| Sep 19, 2026 | 3.4 s |
| Sep 26, 2026 | 3.5 s |
| Oct 3, 2026 | 3.5 s |
| Oct 10, 2026 | 3.8 s |
| Oct 17, 2026 | 4.0 s |
| Oct 24, 2026 | 3.9 s |
| Oct 31, 2026 | 3.9 s |
Show as table
| Date | Real-visitor tap response (INP) |
|---|---|
| May 16, 2026 | 171 ms |
| May 23, 2026 | 178 ms |
| May 30, 2026 | 181 ms |
| Jun 6, 2026 | 178 ms |
| Jun 13, 2026 | 162 ms |
| Jun 20, 2026 | 156 ms |
| Jun 27, 2026 | 158 ms |
| Jul 4, 2026 | 159 ms |
| Jul 11, 2026 | 160 ms |
| Jul 18, 2026 | 160 ms |
| Jul 25, 2026 | 156 ms |
| Aug 1, 2026 | 156 ms |
| Aug 8, 2026 | 155 ms |
| Aug 15, 2026 | 164 ms |
| Aug 22, 2026 | 170 ms |
| Aug 29, 2026 | 174 ms |
| Sep 5, 2026 | 178 ms |
| Sep 12, 2026 | 173 ms |
| Sep 19, 2026 | 174 ms |
| Sep 26, 2026 | 164 ms |
| Oct 3, 2026 | 173 ms |
| Oct 10, 2026 | 172 ms |
| Oct 17, 2026 | 175 ms |
| Oct 24, 2026 | 179 ms |
| Oct 31, 2026 | 175 ms |
Chrome UX Report (opens in a new tab): real Chrome visitors over rolling 28-day periods.
One score from every part of this review. How it works
Speed
Reduce initial server response time
1.2 sReduce initial server response time. Google estimates savings of 1.2 s on a phone.
Document request latency
1.2 sThe HTML itself could arrive about 1.2 s sooner: redirects, a slow server response or missing compression delay everything after it.
Render-blocking requests
1.0 s3 files block the first paint until they finish downloading. Deferring or inlining them could save about 1.0 s.
8 third-party services on the page
8 third-party services load with your homepage (Google Tag Manager, Optanon and Google Analytics and others), adding 899 KiB and 937 ms of main-thread time.
Mobile performance score: 76
76/100Your mobile performance score is 76. Pages that score under 90 lose visitors before the first paint.
Improve image delivery
590 KiB2 images could be 590 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen.
Google Tag Manager adds 509 ms
509 msGoogle Tag Manager costs a phone 509 ms of main-thread work and 529 KiB of downloads while your page loads. Loading it after the page is usable, or only on the pages that need it, takes that off the critical path.
Reduce unused JavaScript
418 KiBAbout 418 KiB of JavaScript is downloaded but never used on this page.
Reduce unused CSS
300 ms · 88 KiBAbout 88 KiB of CSS is downloaded but never applied on this page. Google estimates it would make the page about 300 ms faster on a phone.
Main-thread work: 2.9 s
A phone's processor spends 2.9 s on main-thread work while loading, 1.7 s of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.
Server response: 1.3 s
1.3 sYour server takes 1.3 s to send the HTML. Google recommends under 600 ms; everything else waits for it.
16 long tasks on the main thread
16 long tasks block the main thread while loading, the longest for 210 ms. During a long task the page ignores taps.
Use efficient cache lifetimes
127 KiB14 files are served with short cache lifetimes, so returning visitors download them again (127 KiB).
Legacy JavaScript
31 KiBPolyfills for old browsers add 31 KiB JavaScript that modern phones do not need.
Chained critical requests
Critical files load one after another instead of in parallel (3 chains). Preconnecting to key origins and preloading the hero image shortens the chain.
Core Web Vitals
Fails Core Web Vitals for real visitors
Real Chrome users on phones do not pass Google's Core Web Vitals on this page (28-day field data from the Chrome UX Report (opens in a new tab)). Google uses this in ranking.
Speed Index: 11.0 s
11.0 sVisually, the page fills in at 11.0 s (Speed Index). Good is under 3.4 s.
Time to Interactive: 15.8 s
15.8 sThe page becomes fully interactive after 15.8 s. Good is under 3.8 s.
Real-user LCP: 3.0 s
3.0 sReal visitors wait 3.0 s for the largest content to appear (75th percentile). Good is under 2.5 s.
Largest content (LCP) got 23% slower for real visitors
+23%Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' largest content (lcp) went from 3.1 s to 3.9 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).
Real-user FCP: 2.5 s
2.5 sReal visitors see the first content after 2.5 s (75th percentile). Good is under 1.8 s.
Real-user TTFB: 1.6 s
1.6 sReal visitors wait 1.6 s for your server to start answering (75th percentile). Good is under 800 ms.
Total Blocking Time: 496 ms
496 msScripts block taps and scrolling for 496 ms in total while the page loads. Good is under 200 ms.
Tap response (INP) held steady for real visitors
+1%Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' tap response (inp) went from 171 ms to 175 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).
5 checks passed
Real-user INP: 159 ms
159 msReal visitors wait 159 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.
Real-user CLS: 0.03
0.03For real visitors the layout shifts by 0.03 (75th percentile). Good is under 0.1.
Largest Contentful Paint: 2.3 s
2.3 sYour largest element renders in 2.3 s on a phone, inside Google's 2.5 s “good” threshold. The largest element is the image.
First Contentful Paint: 1.5 s
1.5 sThe first text or image appears after 1.5 s, inside the 1.8 s “good” threshold.
Cumulative Layout Shift: 0.051
0.051The layout barely moves while loading (CLS 0.051, good is under 0.1).
Images and page weight
1 image over 500 KB
CDP_homepage_hero.jpg weighs 634 KiB. On a phone connection a single image that size takes seconds.
Page weight: 3.0 MB in 111 requests
3.0 MBYour homepage downloads 3.0 MB in 111 requests on a phone: scripts 1.2 MB (35), images 842 KiB (26) and other files 623 KiB (42). Under 2 MB keeps phones on slow connections fast.
2 images far larger than shown
453 KiB2 images are downloaded at several times the size a phone draws them, for example CDP_homepage_hero.jpg at 1,920 px wide, shown at 390 px. Resized copies would save about 453 KiB.
About 0.8 g of CO₂ per visit
0.84 gBy the Sustainable Web Design model, a visit to your homepage emits about 0.84 g of CO₂e: 100.9 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.
2 checks passed
Images use modern formats
Every sizeable image is WebP, AVIF or SVG.
Images load when needed
Images below the first screen wait until the visitor scrolls to them.
Accessibility
Certain ARIA roles must be contained by particular parents (2 elements)
Certain ARIA roles must be contained by particular parents: 2 elements on the page fail this check, rated critical by axe-core.
Invalid ARIA attributes
1 element use ARIA attributes their role does not allow, which confuses screen readers.
Certain ARIA roles must contain particular children (1 element)
Certain ARIA roles must contain particular children: 1 element on the page fails this check, rated critical by axe-core.
4 text elements with low contrast
4 text elements don't have enough contrast against the background to read easily, especially outdoors on a phone.
<svg> elements with an img or image role must have alternative text (3 elements)
<svg> elements with an img or image role must have alternative text: 3 elements on the page fail this check, rated serious by axe-core.
All page content should be contained by landmarks (5 elements)
All page content should be contained by landmarks: 5 elements on the page fail this check, rated moderate by axe-core.
Heading levels should only increase by one (1 element)
Heading levels should only increase by one: 1 element on the page fails this check, rated moderate by axe-core.
Landmarks should have a unique role or role/label/title (i.e. accessible name) combination (1 element)
Landmarks should have a unique role or role/label/title (i.e. accessible name) combination: 1 element on the page fails this check, rated moderate by axe-core.
Elements with visible text labels do not have matching accessible names.
Elements with visible text labels do not have matching accessible names. (1 element).
2 checks passed
Every image has alt text
All 4 images in the HTML carry an alt attribute.
42 automated accessibility rules passed
axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 50 WCAG 2.2 A/AA and best-practice rules on the phone render: 42 passed and 8 failed. 1 more need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.
SEO
No structured data
No structured data (JSON-LD), so Google can't show rich results such as your logo, ratings or FAQs.
6 links with vague text
6 links use generic text like “click here” or “learn more”, which tells Google nothing about the page behind them.
45 internal links, 9 external
The homepage links to 45 pages on cdp.net and 9 external pages.
7 checks passed
Meta description: 147 characters
Your meta description is 147 characters: “CDP can support your environmental journey – turning data into Earth-positive impact. The world’s only independent envi…”.
One H1 headline
Your main headline reads: “Environmental transparency starts here”.
Title: 35 characters
Your title is a healthy 35 characters: “CDP: Turning Transparency to Action”.
Canonical URL set
The canonical URL is https://www.cdp.net/en.
Open Graph tags complete
Open Graph tags are complete, so shared links show a title, description and image.
robots.txt in place
robots.txt is in place and points crawlers to your sitemap.
XML sitemap found
Your XML sitemap is reachable at https://www.cdp.net/sitemap.xml.
AI search readiness
No Organization structured data
There is no Organization (or LocalBusiness) JSON-LD, so search engines and AI assistants have no machine-readable facts about who runs the site: its name, logo, profiles and contact details.
3 checks passed
AI answer engines may read the site
Your robots.txt lets the crawlers behind ChatGPT search, Claude and Perplexity read the site and cite it in answers.
Text is in the HTML
Your server sends the page's text in the HTML (733 words), so crawlers that don't run JavaScript still read it.
llms.txt published
The site publishes /llms.txt (3 KiB, 20 links), a plain-text guide to the site for AI tools.
Other pages
2 pages share a title
/en/disclosure-2026 and /en/about/collaborations-and-partnerships all use the title “Home”. Search engines can't tell which page to show for a search, so each competes with the others.
2 pages without a meta description
/en/disclosure-2026 and /en/about/collaborations-and-partnerships have no meta description, so Google writes the search snippet from whatever text it finds.
1 page slow to respond
/en/disclose took over 3 s to send its HTML from our server.
15 internal pages checked
We fetched 15 pages linked from your homepage (of 32 found) and read each the way a search engine does.
5 checks passed
Linked pages load
All 15 pages we checked loaded without an error.
Canonical URLs point to themselves
No page we checked hands its ranking to a different URL.
Every page has an H1
Each page we checked has a main headline.
No linked page is hidden from search
None of the pages we checked carries a noindex tag.
Every page has a title
All 15 pages that loaded have a <title>.
Best practices
3 third-party cookies
3 third-party cookies are set on load; browsers are restricting these, so whatever relies on them breaks.
Deprecated browser APIs
The page uses 1 deprecated browser API that will stop working in future browsers (“Unload event listeners are deprecated and will be removed.”).
1 JavaScript error while loading
1 error was logged to the browser console while the page loaded, for example “Failed to load resource: net::ERR_FAILED”.
Browser-reported issues
Chrome logged issues while loading the page (“Cookie”).
2 checks passed
Tap targets are thumb-sized
15 of 16 tappable elements near the top are at least 24 px.
Mobile viewport set
The page declares a mobile viewport.
Security and trust
No HSTS header
No Strict-Transport-Security header, so browsers may still try plain http first on a return visit.
No Content-Security-Policy
No Content-Security-Policy header, the main browser-side defence against injected scripts.
No clickjacking protection
Neither X-Frame-Options nor a CSP frame-ancestors policy is set, so any site can embed yours in a frame.
No X-Content-Type-Options
X-Content-Type-Options: nosniff is missing, so browsers may guess file types.
2 redirects before the homepage
Opening https://cdp.net goes through 2 redirects before the homepage loads.
No Referrer-Policy
No Referrer-Policy header, so full URLs can leak to the sites you link to.
No Permissions-Policy
No Permissions-Policy header to switch off camera, microphone and location for embedded content.
No security.txt
There is no /.well-known/security.txt telling researchers how to report a security problem to you.
5 checks passed
Served over HTTPS
The homepage is served over HTTPS (cdp.net).
Valid certificate (75 days left)
The certificate from DigiCert Inc · GeoTrust TLS RSA CA G1 verifies for cdp.net and is valid for another 75 days.
http:// redirects to https
http://cdp.net redirects to the secure version.
HTTP/2
The server speaks HTTP/2, so browsers load many files over one connection.
All 41 links work
All 41 links checked from your homepage (33 internal, 8 external) answered without errors.
Domain and trust
No CAA record
cdp.net has no CAA record, so any certificate authority may issue a certificate for it. A CAA record naming your provider (for example letsencrypt.org) closes that door.
DNSSEC is off
cdp.net's DNS answers are not signed. DNSSEC stops attackers forging them to send visitors or email elsewhere; most registrars switch it on in a click, though most sites still run without it.
2 checks passed
Domain is 26 years old
26 yearscdp.net was registered in Aug 2000 through GoDaddy.com, LLC. An established domain carries more trust with email providers and search engines.
Registered until Aug 2027
cdp.net is registered until Aug 2027.
Content and conversion
No call to action on the first screen
On a phone, there is no call to action on the first screen: visitors have to scroll to find out what to do next.
Thin social proof
Social proof on the homepage: 1 trust badge. Pairing it with named testimonials or customer logos makes it far more convincing.
No direct contact details
No phone number or email link on the homepage, so ready-to-buy visitors have one fewer way to reach you.
No form on the homepage
There is no form on the homepage, so every lead has to click through to another page first.
About 567 words of copy
The homepage carries about 567 words of visible text.
3 checks passed
7 calls to action
The homepage has 7 calls to action, for example “Contact”, “Start your disclosure” and “Learn more”.
Analytics in place
Analytics detected: Google Tag Manager.
Risk reducer mentioned
A guarantee or risk reducer (money-back, free trial, no credit card or similar) is mentioned on the page.
Email authentication
Email authentication score: 90/100
Email authentication: SPF record 25 points, plus 15 when it ends in -all (10 for ~all); DMARC record 25, plus 25 for a reject policy (15 for quarantine); a DKIM key on a common selector 10.
3 checks passed
DMARC policy: quarantine
DMARC tells receivers to quarantine mail that fails authentication, and sends you reports.
SPF with a strict ending (-all)
An SPF record lists your sending servers and tells receivers to reject anything else: “v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:sendgrid.net -all”.
DKIM signing found
A DKIM key is published (selector “selector1”, “s1” and “s2”), so receivers can verify mail really came from you.
Privacy and tracking
8 trackers load before any consent
8Before a visitor clicks anything, the page loads Google Ads, Google Analytics, Google Tag Manager, Hotjar and LinkedIn Insight and 3 mores (measured from a US location before any click). A consent tool (OneTrust) is installed; check it blocks these until visitors agree where the law requires it.
16 cookies set on arrival
16Opening the homepage sets 16 cookies (measured from a US location before any click).
43 other companies contacted
Loading the homepage contacts 43 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.
1 checks passed
Consent tool: OneTrust
A consent management tool (OneTrust) loads with the page.
Upkeep, stack and company
No signs of neglect in what was checked: the copyright year, CMS and plugin versions, and jQuery.
Stack
- Framework
- Next.js
- Analytics
- Google Tag Manager
- Hosting
- Azure
Company
- Employees
- 516
- Headquarters
- London
Upkeep, stack, hiring and company data from programmable.info
Go beyond the website
What your $25 Growth Playbook adds
This review found 43 issues on cdp.net, including 19 speed issues, 2 SEO issues and 3 conversion gaps. That is the website alone. The full Growth Playbook pairs these findings with what your customers say in public reviews and communities and what your closest competitors do better, then turns everything into at least 20 prioritised ideas, each with the evidence behind it, a step-by-step playbook, a metric and an owner.
- 28 research agents read your site, reviews, competitors, communities and public filings
- Customer review mining (G2, Capterra, Trustpilot and more) and voice-of-pain analysis in your buyers’ own words
- Competitor intelligence with battlecards for your closest rivals
- Ideal customer profile, buyer segments and buying-stage funnel
- Ranked channels, outreach sequences and content angles
- Live Reddit threads where buyers ask for what you sell, with draft replies
- Earned media and PR openings
- At least 20 ideas with evidence, a step-by-step playbook, metric, owner, effort and impact, grouped into this week, this quarter, big bets and wildcards, plus a 30/60/90-day roadmap
- PDF, Markdown, CSV, Notion and Linear exports, and a shareable page your team can track progress on
- Refresh the playbook later to see what changed
14-day money-back guarantee: not happy for any reason, email us within 14 days and we refund in full.