JBL Windows & Building Services LTD — Bristol Double Glazing Digital Visibility Score

Digital Visibility Score: 49 / 100 · Rank 66 of 116

Digital Visibility Score49/100Rank 66 of 116Critical problem1Search engines are being told not to index this siteFurthest behind-13Technical: 75 against a sector median of 88

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.

Pillar breakdown vs sector median

Each pillar scored 0–100 against the sector median for this index. The final column is this firm's distance from that median.

Pillar	Score	Median	vs median
Speed & CWV	63	62	+1
Technical	75	88	−13
Local presence	73	74	−1
Visibility	4	0	+4
AI search presence	0	0	level
Content & trust	65	37	+28

Pillar performance against the sector median. Bars right of centre are above the median, left are below.

Speed & CWV		+1
Technical		-13
Local presence		-1
Visibility		+4
AI search presence		0
Content & trust		+28

Problems found

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 fixingStructured data present, but no LocalBusiness markupThe page describes something to machines, but not that it is a local business with an address and opening hours.

Where this firm ranks

Ranks for 1 of 12 keywords, average position 74, in the local 3-pack for 0 keywords.

Keyword	Position
double glazing Bristol	not in top 100
double glazing companies Bristol	not in top 100
upvc windows Bristol	not in top 100
replacement windows Bristol	not in top 100
window fitters Bristol	not in top 100
best double glazing Bristol	not in top 100
double glazing installers Bristol	not in top 100
composite doors Bristol	not in top 100
conservatories Bristol	not in top 100
double glazing Bishopston	not in top 100
double glazing Fishponds	#74
upvc windows Bishopston	not in top 100

The gap to the leader

This firm against the sector median and the index leader, The Window Hub, on every pillar.

Speed & CWV		63
Technical		75
Local presence		73
Visibility		4
AI search presence		0
Content & trust		65

this firm sector median leader

JBL Windows & Building Services LTD trails The Window Hub by 207 points across 6 pillars, but 61% of that is AI search presence and Visibility alone.

AI search presence

Named in 0 of 5 AI answers. A domain citation is stronger evidence than a name mention.

✗	Who are the best double glazing companies in Bristol?
✗	Which window installer in Bristol would you recommend for replacement windows?
✗	Top rated upvc window fitters in Bristol
✗	I need new double glazing in Bristol - who should I contact?
✗	Best double glazing companies in Bishopston, Bristol

Local presence

Google Business Profile.

Rating	5 / 5
Reviews	21
Locations	1
Reviews in last 90 days	0
Address matches website	yes

Why this score

What each score is made of. Every input here is in the open dataset, so the arithmetic can be checked rather than taken on trust.

Pillar	Score	Made up of
Content & trust	65	about page: yes · team page: yes · credentials: no · blog or news: yes · homepage: 174 words
Visibility	4	ranks for 1 of 12 keywords · average position 74 · local 3-pack: 0
Local presence	73	21 reviews · rated 5 · 0 new in 90 days
Technical	75	HTTPS: yes · page allows indexing: yes · robots.txt allows crawling: no · sitemap: yes · structured data: yes

Key findings

• Technical: 75/100, below the sector median of 88.

How this compares to the leader

The Window Hub leads the index with 83/100. The largest gaps are: AI search presence (0 vs 80); Visibility (4 vs 50); Speed & CWV (63 vs 88).

Top fixes (ranked by impact)

1. Publish structured, citable content and entity schema so AI engines surface the business for core local queries.
2. Build local landing pages for the core keyword basket to lift organic and local-pack appearance.
3. Cut mobile LCP below 2.5s (optimise images and remove render-blocking resources) — the biggest score and ranking lever.

Firms ranked near this one

The firms nearest JBL Windows & Building Services LTD in this ranking, beyond the two either side.

Firm	Rank	Score	Why it is here
Bristol Profile Windows	#64	49/100	2 places above you
The Windoor Hub	#68	49/100	2 places below you
Aspire Glass Ltd	#63	49/100	3 places above you
DWR Services Ltd	#69	48/100	3 places below you

Context (not scored)

Recorded alongside the measurement to make it easier to judge, but carrying no weight in the Digital Visibility Score. See the methodology.

Companies House	Company 13817200 · 4.7 years old · active · SIC 43390
Real-user speed (CrUX)	Too little traffic to appear in Chrome’s public dataset
Site structure	1 pages crawled · 12 internal links per page · reachable in: contact 1 click, about 1 click, services 1 click · 0% of links use a generic anchor · 6 sitemap pages not reachable by following links
Sitemap	7 URLs listed · declared in robots.txt · newest entry 610 days old · 5 of 5 sampled URLs resolve

Where to get this fixed

JBL Windows & Building Services LTD’s lowest-scoring pillars among those we publish remediation guidance for:

• AI search presence (0/100) — read generative engine optimisation on getting named by the answer engines this pillar measures. Background on analysing this pillar: ai search presence.
• Visibility (4/100) — read topical authority on why ranking breadth across a sector beats chasing single terms. Background on analysing this pillar: visibility.

↑ Ranked aboveGlass Extensions Design and Build Ltd#65 · 49/100 Full indexAll 116 firms ↓ Ranked belowTech Windows Bristol#67 · 49/100

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How this is measured: see the index methodology, and the statistical methods behind each pillar. This index is published by PYC; if you want this score moved, start here.