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https://carbonbrief.org

SEO

· 7 checks — Canonical, meta, content depth, internal links, image SEO, and hreflang rolled into one auditable list.
SCORE
92
GRADE
A
FIX
0
REVIEW
0
PASS
6
INFO
1

Cross-tab audit — SEO, performance, crawlability, mobile, structured data

Checks
7
6 PASS
A+
Canonical URL
Properly configured
PASS
Properly configured
Info::
Canonical tag present
Got: https://www.carbonbrief.org/
Info::
Canonical is self-referencing
Info::
Canonical matches final URL after redirects
Info::
Canonical target reachable (self-referencing)
Info::
Canonical points to a different domain
Canonical URL Problem
Page URL https://carbonbrief.org Canonical https://www.carbonbrief.org/ Match Self-referencing (correct)
A
Meta Tags
Title: 19 chars
PASS
Title: 19 chars
Info::
Page title is set
Got: Home - Carbon Brief
Warning::
Title is only 19 characters — consider expanding
Title

"Home - Carbon Brief"

19 characters Too short
Robots: Indexable (no restrictions)
A
Content Depth
1620 words, Difficult
PASS
1620 words, Difficult
Info::
Page has 1620 words — good depth for search engines
Info::
Text-to-HTML ratio is 5%
Very low ratio suggests heavy framework overhead or boilerplate.
Info::
Reading level: Difficult (grade 14)
1620 words

Good depth

Reading level

Very Easy
Easy
Fairly Easy
Standard
Fairly Difficult
Difficult
Very Difficult

Grade 14

Text-to-HTML Ratio

5% text 95% HTML

11 KB / 224 KB

Very low ratio suggests heavy framework overhead or boilerplate.

Why this matters

Informational: ratio of visible text bytes to total HTML bytes. Very low ratios suggest excessive markup overhead.

A+
Image SEO
34 images, 30 descriptive filenames
PASS
34 images, 30 descriptive filenames
Info::
4 image(s) have hash/generic filenames
Info::
29 image(s) missing alt text — see Accessibility tab
30 descriptive
0 hash-based
4 generic
34 total
FilenameQualityAltIssues
icon-hamburger.svgdescriptive✗1
3EA5H4F.jpgdescriptive✗1
3CJ2MAG-300x200.jpgdescriptive✗1
3CHEK1P-300x199.jpgdescriptive✗1
R5W2YB-300x200.jpgdescriptive✗1
3E88713-300x200.jpggeneric✗2
2M0JH57-300x200.jpgdescriptive✗1
3E5X202-300x200.jpggeneric✗2
3E5X202-300x200.jpggeneric✗2
cover-montage-300x200.pngdescriptive✗1
front-cover-montage-300x200.jpgdescriptive✗1
2M0JH57-300x200.jpgdescriptive✗1
IMG_6178_1-300x200.jpgdescriptive✗1
IMG_5873-300x200.jpgdescriptive✗1
3EA5H4F-300x200.jpgdescriptive✗1
R5W2YB-300x200.jpgdescriptive✗1
3E88713-300x200.jpggeneric✗2
hero-5-01-2-300x200.pngdescriptive✗1
hero-5-01-2-300x200.pngdescriptive✗1
hero-5-01-2-300x200.pngdescriptive✗1
3CJ2MAG-300x200.jpgdescriptive✗1
debriefed_HERO_BLANK-1550x1033-1-300x200.pngdescriptive✗1
debriefed_HERO_BLANK-300x200.pngdescriptive✗1
hero-5-01-2-300x200.pngdescriptive✗1
hero-5-01-2-300x200.pngdescriptive✗1
hero-5-01-2-300x200.pngdescriptive✗1
3CJ2MAG-300x200.jpgdescriptive✗1
debriefed_HERO_BLANK-1550x1033-1-300x200.pngdescriptive✗1
debriefed_HERO_BLANK-300x200.pngdescriptive✗1

See Accessibility tab for detailed alt text quality analysis.

A+
Schema Markup Audit
Per-type completeness vs Schema.org requirements + rich-result eligibility
PASS

No structured data detected

Without JSON-LD or microdata, this page can't qualify for any of Google's rich result formats. Even basic Organization or WebSite schema is a quick win.

Hreflang
0 hreflang tags
INFO
0 hreflang tags

No hreflang tags detected.

Hreflang tags are only needed for multilingual or multi-regional sites.

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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