jobs.ac.uk

Readiness by lane

Green: jobs.ac.uk. Thin bar: Job Portals, HR & Recruitment peer median.

Priority fixes for jobs.ac.uk

Ordered by impact and by how common each practice is among peers.

1. Priority 1 · Accelerate

   Static files cached for 30 days or more

   Observed: A same-site stylesheet or script was cacheable for 60 seconds, short of the 30-day benchmark.

   Why it matters: Returning visitors and later page views reuse cached files instead of downloading them again.

   What to do: Give versioned (fingerprinted) CSS, JavaScript, fonts and images Cache-Control: public, max-age=31536000, immutable, and change the file name whenever the content changes.

   48% of Job Portals, HR & Recruitment peers do this. Limit: Read from the homepage response only; other pages or regions may send different headers.

   Guide: Browser Caching Guide for Website Owners

2. Priority 2 · Accelerate

   Modern image formats in use

   Observed: The homepage had 31 images and none used WebP or AVIF.

   What to do: Serve WebP or AVIF with a JPEG or PNG fallback, either through an image CDN or by generating both formats at build time.

   38% of Job Portals, HR & Recruitment peers do this.

   Guide: AVIF, WebP, JPEG, and PNG: Choose the Right Image Format

3. Priority 3 · Accelerate

   No render-blocking scripts in <head>

   Observed: The homepage <head> loaded 3 external scripts without async or defer.

   What to do: Add defer to scripts that need the DOM, async to independent ones such as analytics, or move them to the end of the body.

   47% of Job Portals, HR & Recruitment peers do this.

   Guide: Control Third-Party Scripts Before They Control Your Page

4. Priority 4 · Enable

   Canonical URL declared

   Observed: The homepage did not declare a canonical URL.

   What to do: Add a self-referencing canonical link to every indexable page, using the final https:// URL.

   71% of Job Portals, HR & Recruitment peers do this.

   Guide: Canonical Tags: A Decision Guide for Duplicate URLs

What jobs.ac.uk already does well

Practices fewer than half of Job Portals, HR & Recruitment peers use.

• CAA records limit who can issue certificatesCAA limits issuance to amazon.com, amazonaws.com, amazontrust.com and others.14% of peers
• Content Security Policy presentContent-Security-Policy present.30% of peers
• HSTS kept for at least a yearHSTS with a 365-day max-age covering subdomains.36% of peers

What we saw

Homepage checked

https://www.jobs.ac.uk/

Homepage response

HTTP 200

TLS

TLSv1.3, HTTP/2

Certificate

Amazon, 197-day validity, expiring 2027-04-06

CDN or edge

Amazon CloudFront

DNS operators

Amazon Route 53

HSTS

max-age 365 days, includeSubDomains

DMARC policy

p=quarantine

Homepage HTML

70 KB, gzip

Images on homepage

31 (jpg 105, svg 3, png 2, gif 1)

Limits: homepage only, one location, one moment. Header checks reflect the homepage response; other pages may differ.

Stack and providers

Seen in the homepage response, certificate and DNS. Provider pages compare how their customers configure the same checks.

All 31 checks

Select a gap for the method and fix. How each check works

Compare with other Job Portals, HR & Recruitment sites

• career-cloud.asia67
• cvkeskus.ee67
• guppy.jp67
• lokercirebon.com67
• occ.com.mx67

Job Portals, HR & Recruitment readiness benchmark