longmontcolorado.gov website report
City of Longmont
Last scanned · 1 view
Overall score
Great
About longmontcolorado.gov
longmontcolorado.gov is a website. The site runs on WordPress. It is also on Facebook, Instagram and YouTube.
Score profile
Top issues to fix
7 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.
+1 more issue — details in the sections below.
Technology stack
longmontcolorado.gov is built with WordPress, jQuery, Nginx and Google Analytics.
Hosting & DNS
- IP address
- —
- ASN
- —
- IPv6
- Not supported
- HTTP
- HTTP/2
Show DNS record values
TXT record contents are not republished; only their count is shown.
Security
longmontcolorado.gov uses TLS 1.3 with a certificate valid for 42 more days and sets 0 of 6 recommended security headers.
Security headers0 of 6 set
- HSTSForces HTTPS
- CSPBlocks injected scripts
- X-Frame-OptionsStops clickjacking
- X-Content-TypeStops MIME sniffing
- Referrer-PolicyLimits URL leakage
- Permissions-PolicyRestricts browser features
TLS certificate
- Names covered
- 2
- Cookies set
- 0
Email security
longmontcolorado.gov scores C for email security, with no SPF record and DMARC policy “reject”.
- SPFNot set
No SPF record: anyone can claim to send mail from this domain.
- DMARCGood
Forged mail is rejected; reports are collected.
- MTA-STSNot set
Not published; mail to this domain can be downgraded to plaintext.
- BIMIGood
Brand logo published for supporting inboxes.
Performance & carbon
longmontcolorado.gov scores 90/100 for performance, with an estimated load time of 0.0 s. A visit emits an estimated 0.22 g of CO2 (grade B).
Page weight
- HTML 522 KB
- JavaScript 38.8 KB
- CSS 34.7 KB
- Est. load
- 12 ms
- Response
- 2 ms
- Scripts / CSS
- 35 / 5
Carbon per visitB
0.22 g CO2 per uncached view
Estimate from the Sustainable Web Design model. HTML, JavaScript and CSS only; images, video and fonts are not measured. Treat it as a lower bound for comparing pages, not an audit.
SEO & accessibility
longmontcolorado.gov scores 90/100 for SEO and 100/100 for accessibility, with 2 SEO issues to fix.
Heading structure
One H1: good.
Image alt text
52 images · 0 without alt text · 9 lazy-loaded
Links
- Internal 96
- External 19
- Broken 2
SEO issues2
- robots.txt not found
- sitemap.xml not found
Accessibility issues0
No accessibility issues detected.
Technical details
Page metadata, social tags, crawl files and scan information.
Meta tags
- Title
- City of Longmont
- Description
- Welcome to the City of Longmont website where you can find information about our local government services and programs.
- Canonical
- https://longmontcolorado.gov/
- Language
- en-US
- Robots meta
- index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Crawl files
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
Structured data
- Microdata items
- 0
- RDFa items
- 0
Scan
- Final URL
- https://longmontcolorado.gov
- HTTP status
- 200
- Redirects
- https://longmontcolorado.gov
- Scanned
- Aug 24, 2026, 1:22 PM
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Frequently asked questions about longmontcolorado.gov
- What is longmontcolorado.gov?
- longmontcolorado.gov is a website. The site runs on WordPress. It is also on Facebook, Instagram and YouTube.
- What technology does longmontcolorado.gov use?
- longmontcolorado.gov is built with WordPress, jQuery, Nginx and Google Analytics.
- Is longmontcolorado.gov secure?
- longmontcolorado.gov uses TLS 1.3 with a certificate valid for 42 more days and sets 0 of 6 recommended security headers.
- Is longmontcolorado.gov protected against email spoofing?
- longmontcolorado.gov scores C for email security, with no SPF record and DMARC policy “reject”.
- What is longmontcolorado.gov's overall score?
- longmontcolorado.gov has an overall SiteGraph score of 86/100, combining SEO (90), performance (90), security (65) and accessibility (100).
Open Graph & Twitter