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Compare Domains

Compare website value, traffic, SEO and hosting signals side by side.

Browse Rankings
Use this domain comparison to benchmark value, traffic, SEO quality, technical health and trust signals side by side.

Executive Summary

A fast head-to-head view of which domain leads in the areas that matter most.

slack.com 2 mozilla.com 2
:lane is currently balanced
Both domains perform similarly across the weighted signals in this lane.
Business: mozilla.com Reach: mozilla.com SEO: slack.com Performance: slack.com Trust: Balanced
Business
mozilla.com
slack.com
0
mozilla.com
5
Value gap $2,364,094
Income gap $148
Reach
mozilla.com
slack.com
0
mozilla.com
3
Visitors gap 4,708
Pageviews gap 16,478
SEO
slack.com
slack.com
3
mozilla.com
1
Seo gap 19
Onpage gap 2.0
Performance
slack.com
slack.com
2
mozilla.com
0
Performance gap 100
Trust
Balanced
slack.com
0
mozilla.com
0

Next Best Moves

The clearest actions to close the gap and improve this domain fastest.

slack.com
Priority is based on the current gap, likely impact and available audit evidence.
2 priorities
Resolve safety risk signals
Trust Gain about 24 priority points
Why: Negative safety classification can severely reduce trust and traffic.
Do next: Scan and clean malware/phishing indicators, harden CMS/plugins, and request re-evaluation.
Expand structured data coverage
Structured data 1 schema blocks behind
Why: mozilla.com uses more structured data blocks, which can improve machine understanding and rich result coverage.
Do next: Add clean schema markup for the brand, organization and key page entities.
mozilla.com
Priority is based on the current gap, likely impact and available audit evidence.
4 priorities
Lift technical performance
Performance 100 points behind
Why: Speed or rendering signals lag behind the competing domain and may hold back SEO quality.
Do next: Improve Core Web Vitals, image delivery and frontend payload before the next refresh.
Resolve safety risk signals
Trust Gain about 24 priority points
Why: Negative safety classification can severely reduce trust and traffic.
Do next: Scan and clean malware/phishing indicators, harden CMS/plugins, and request re-evaluation.
Close the SEO score gap
SEO 19 points to match
Why: slack.com trails the competing domain on overall SEO score and needs the fastest high-impact fixes first.
Do next: Prioritize the highest-severity audit fixes and refresh the crawl after each batch.
Improve internal linking depth
Architecture 193 internal links behind
Why: The competing domain exposes more internal links from the homepage and looks easier to crawl.
Do next: Expose more important pages through clearer internal links and navigation paths.
Metric slack.com Winner mozilla.com
Estimated Value $398,174,442 mozilla.com $400,538,536
Daily Visitors 71,263 mozilla.com 75,971
Daily Pageviews 249,421 mozilla.com 265,899
Daily Income $2,245 mozilla.com $2,393
SEO Score 89 slack.com 70
Indexability 100 — 100
OnPage 81 mozilla.com 83
Performance 100 slack.com 0
Trust 65 — 65
Coverage 100 slack.com 90
Confidence 100 slack.com 91
SEO Freshness (h) 239 slack.com 476
Country Germany — United States
TLD com — com
Category — — —
Registrar MarkMonitor Inc. — MarkMonitor Inc.
Internal Links 267 slack.com 74
Structured Data Blocks 0 mozilla.com 1
PageSpeed Mobile 64 slack.com —
PageSpeed Desktop 65 slack.com —
PageRank 6 slack.com 5
Tranco Rank #355 mozilla.com #333
SSL Grade A — A
Safety Status — — —

SEO Audit Snapshot

A compact technical SEO check so users can compare on-page readiness at a glance.

slack.com
89/100
Pass 10 Warn 1 Fail 0 IDX 100 ONP 81 PERF 100 TRUST 65
HTTP Status
200 Pass
Indexability
Indexable Pass
robots.txt
Found Pass
sitemap.xml
Found Pass
Canonical URL
Present Pass
H1 Count
1 Pass
Title Length
49 Pass
Description Length
173 Pass
HTML lang
en-US Pass
Viewport Meta
Present Pass
Image Alt Coverage
37/91 Warn
mozilla.com
70/100
Pass 10 Warn 1 Fail 0 IDX 100 ONP 83 PERF 0 TRUST 65
HTTP Status
200 Pass
Indexability
Indexable Pass
robots.txt
Found Pass
sitemap.xml
Found Pass
Canonical URL
Present Pass
H1 Count
1 Pass
Title Length
68 Pass
Description Length
156 Pass
HTML lang
en-US Pass
Viewport Meta
Present Pass
Image Alt Coverage
1/47 Warn

Top Levers Across Both Domains

Shared high-impact improvements pulled from the latest recommendations and audits.

Resolve safety risk signals
CRITICAL Impact 24 Effort L Confidence 94% Focus area Both
A: 24 | B: 24
Why it matters: Negative safety classification can severely reduce trust and traffic.
Recommended fix: Scan and clean malware/phishing indicators, harden CMS/plugins, and request re-evaluation.
Improve image ALT coverage
HIGH Impact 8 Effort M Confidence 84% Focus area slack.com
A: 8 | B: 5
Why it matters: Missing ALT text reduces accessibility and image search context.
Recommended fix: Add concise descriptive ALT text for informative images and empty ALT for decorative assets.
Increase homepage content depth
MEDIUM Impact 6 Effort M Confidence 79% Focus area mozilla.com
A: 0 | B: 6
Why it matters: Thin content limits topical coverage and relevance context.
Recommended fix: Expand helpful unique copy that answers key user questions and links to deeper pages.
Improve PageSpeed performance
MEDIUM Impact 6 Effort M Confidence 88% Focus area slack.com
A: 6 | B: 0
Why it matters: Low performance can reduce rankings, engagement, and conversion.
Recommended fix: Optimize render-blocking resources, image delivery, caching, and script payload size.
Add structured data
MEDIUM Impact 5 Effort M Confidence 80% Focus area slack.com
A: 5 | B: 0
Why it matters: Structured data improves entity clarity and rich-result eligibility.
Recommended fix: Implement relevant JSON-LD schema types (Organization, WebSite, Product, Article, etc.).

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