gsk.com
Home | GSK
Last scanned Jul 30, 2026, 12:00 AM · 17 views
Overall score
Excellent
Summary
At GSK, we unite science, technology and talent to get ahead of disease together. This website uses Nuxt. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Multiple H1 headings found.
At GSK, we unite science, technology and talent to get ahead of disease together
Top issues to fix
4 issues found
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
830 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-5 overall since Jul 22, 2026
- Overall
- 93
- SEO
- 85
- Security
- 100
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
At GSK, we unite science, technology and talent to get ahead of disease together
Meta tags
- Title
- Home | GSK
- Description
- At GSK, we unite science, technology and talent to get ahead of disease together
- Canonical
- https://www.gsk.com/en-gb/home/
- Language
- en-GB
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- dv054.gskinternet.com
- Valid from
- Jun 22, 2026
- Valid to
- Sep 20, 2026
- Days until expiry
- 52
- SAN domains
- admin.gsk-on.com.br, aem-sre-jenkins.gskinternet.com, apretudeonline.com, aresvique.cz, arexvy.cz, au.gsk.com, be.gsk.com, br.gsk.com, brexafemme.com, brexafemmehcp.com, ca.gsk.com, casadevacinasgsk.com.br, chef.gskinternet.com, de.gsk.com, dontbeembarrassed.com, dv054.gskinternet.com, easygenerator.gsk.com, es.gsk.com, fr.gsk.com, glaxosmithkline.as, gsk.com, gsk.tech, india-pharma.gsk.com, it.gsk.com, jp.gsk.com, knowhepbtesting.com, kr.gsk.com, ldhub.gsk.com, myprepwisdom.com, netstorage-backup.gskinternet.com, netstorage-backup.gskstatic.com, nexus.gskinternet.com, nonprod-23dfd5.api-gateway.gskinternet.com, omjjara.cz, opar.cz, pact.gsk.com, parked.gskinternet.com, pk.gsk.com, pl.gsk.com, prod-34dned.api-gateway.gskinternet.com, pt.gsk.com, ru.gsk.com, spotlight.viiv.com, stiefelimagelibrary.com, tateemhayah.com, toctino.cz, togetherwithblenrephcp.com, tr.gsk.com, tw.gsk.com, us.gsk.com, us1dev.apps.gsk.com, vaccineportalen.dk, wiz-dev.gsk.com, wiz.gsk.com, www.apretudeonline.com, www.au.gsk.com, www.be.gsk.com, www.br.gsk.com, www.brexafemme.com, www.brexafemmehcp.com, www.ca.gsk.com, www.casadevacinasgsk.com.br, www.de.gsk.com, www.dontbeembarrassed.com, www.es.gsk.com, www.fr.gsk.com, www.glaxosmithkline.as, www.gsk.com, www.gsk.tech, www.india-pharma.gsk.com, www.it.gsk.com, www.jp.gsk.com, www.knowhepbtesting.com, www.kr.gsk.com, www.ldhub.gsk.com, www.ojjaara.cz, www.omjjara.cz, www.opar.cz, www.pact.gsk.com, www.pk.gsk.com, www.pl.gsk.com, www.pt.gsk.com, www.ru.gsk.com, www.spotlight.viiv.com, www.stiefelimagelibrary.com, www.taijouhoushin-yobou.jp, www.togetherwithblenrephcp.com, www.togetherwithjemperlihcp.com, www.tr.gsk.com, www.tw.gsk.com, www.us.gsk.com, www.us1dev.apps.gsk.com, www.wiz-dev.gsk.com, www.wiz.gsk.com, www.zejula.ca, www.zejula.com, www.zejulahcp.com, yourprepwisdom.com, zejula.com, zejulahcp.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 2 · H2 4 · H3 11
Links
174 internal · 13 external · 20 broken
Images
11 total · 0 missing alt
Scripts / Styles
4 scripts · 2 stylesheets
JS / CSS size
57.1 KB · 244 KB
Page size
400 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Multiple H1 headings found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://gsk.com
- Final URL
- https://www.gsk.com:443/en-gb/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 822 ms
- HTML size
- 400 KB
- Redirect chain
- https://gsk.com → https://gsk.com/en-gb/ → https://www.gsk.com:443/en-gb/
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Frequently asked questions
- What technology does gsk.com use?
- gsk.com is built with Vue.js, Nuxt.
- Is gsk.com secure (HTTPS)?
- Yes. gsk.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 20, 2026.
- Who hosts gsk.com?
- Hosting provider information for gsk.com is not available yet.
- What is gsk.com's SEO score?
- gsk.com scored 85/100 for SEO in the latest analysis (great).
- What is gsk.com's overall website score?
- gsk.com has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
- Has gsk.com's score changed over time?
- gsk.com's overall score has declined by 5 points (from 98 to 93) since Jul 22, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card