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SGSiteGraph

sparkmailapp.com

Spark Mail — Smart. Focused. Email.

Last scanned Jul 26, 2026, 1:49 PM

93

Overall score

Excellent

Summary

Spark helps you take your inbox under control. This website uses Nginx. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (100/100). Top issue: robots.txt not found.

Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest.

Top issues to fix

6 issues found · 1 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • 2 cookies without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 20 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

90

SEO

2 issue(s) found

100

Performance

498 ms

85

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest.

FacebookX (Twitter)InstagramYouTube

Meta tags

Title
Spark Mail — Smart. Focused. Email.
Description
Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest.
Canonical
https://sparkmailapp.com
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Spark Mail — Smart. Focused. Email.
og:description
Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest.
og:type
website
og:url
https://sparkmailapp.com

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Google AnalyticsMeta PixelNginx

Hosting & CDN

Hosting provider
—
CDN provider
—
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.2
Issuer
Amazon
Subject
readdle.com
Valid from
Jan 18, 2026
Valid to
Feb 16, 2027
Days until expiry
203
SAN domains
readdle.com, www.support.readdle.com, www.m.pdfexpert.com, *.readdle.jp, sparkmailapp.com, *.readdle.com, *.pdfexpert.de, readdle.club, pdfexpert.com, *.pdfexpert.com, *.sparkmail.app, readdle.jp, *.sparkmailapp.com, sparkmail.app, *.readdle.club, pdfexpert.de

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsMissing
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 1 · H2 12 · H3 11

Links

54 internal · 12 external · 20 broken

Images

10 total · 0 missing alt

Scripts / Styles

10 scripts · 3 stylesheets

JS / CSS size

4.3 KB · 0 B

Page size

66.2 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://sparkmailapp.com
Final URL
https://sparkmailapp.com
HTTP status
200
HTTP version
HTTP/2
Response time
497 ms
HTML size
66.2 KB
Redirect chain
https://sparkmailapp.com

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does sparkmailapp.com use?
sparkmailapp.com is built with Google Analytics, Meta Pixel, Nginx.
Is sparkmailapp.com secure (HTTPS)?
Yes. sparkmailapp.com uses TLS 1.2 with a certificate issued by Amazon, valid until Feb 16, 2027.
Who hosts sparkmailapp.com?
Hosting provider information for sparkmailapp.com is not available yet.
What is sparkmailapp.com's SEO score?
sparkmailapp.com scored 90/100 for SEO in the latest analysis (excellent).
What is sparkmailapp.com's overall website score?
sparkmailapp.com has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.