Measured 14 September 2026 via the PYC Bristol Double Glazing Digital Visibility Index. Every figure is objective and reproducible from the methodology. Spotted an error? Request a correction.
1 critical problem found. These are specific, checkable faults on the site — not opinions about it.
CriticalSearch engines are being told not to index this siteThe site’s own robots.txt disallows crawling. Until that changes, nothing else on this page can help — the pages cannot enter the index in the first place.
Worth fixingVery little published contentThe homepage carries 320 words and the site links to no blog, news or insights section. There is little here for a search engine to match, or for an assistant to quote.
This firm against the sector median and the index leader, The Window Hub, on every pillar.
Speed & CWV
88
Technical
88
Local presence
72
Visibility
8
AI search presence
0
Content & trust
30
this firm sector median leader
Thomas Windows trails The Window Hub by 201 points across 4 pillars, but 66% of that is AI search presence and Content & trust alone. It already matches or beats the leader on Speed & CWV, Technical.
Recorded alongside the measurement to make it easier to judge, but carrying no weight in the Digital Visibility Score. See the methodology.
Companies House
No confident match on the registered name
Real-user speed (CrUX)
Too little traffic to appear in Chrome’s public dataset
Site structure
11 pages crawled · 12.3 internal links per page · reachable in: contact 1 click, about 1 click, services 1 click · 0% of links use a generic anchor · 1 sitemap pages not reachable by following links
Sitemap
12 URLs listed · declared in robots.txt · newest entry 279 days old · 5 of 5 sampled URLs resolve
Visibility (8/100) — read topical authority on why ranking breadth across a sector beats chasing single terms. Background on analysing this pillar: visibility.