cdc.gov

Strengths

• CrawlabilityStrong

  Crawlers are welcome here: a sitemap points the way, links work, and pages are allowed into the index.

• SpeedStrong

  Pages load quickly, and the server answers fast.

• URL and canonical hygieneStrong

  URLs are clean and consistent, each page has one address, and missing pages say so.

Opportunities

• Secure connectionPartial

  The connection is encrypted but not fully hardened: steering every visit onto it and sending the standard security headers would finish the job.

Strengths

• FreshnessStrong

  Something here was published or updated recently, and the site says when.

• LanguageStrong

  The page language is declared and matches what is on the page.

Opportunities

• Depth and readabilityPartial

  Pages have substance, but many stop short, drift from their titles, or read harder than they need to.

• Titles and descriptionsPartial

  Titles are mostly in place; descriptions and link previews are patchier, and each page wants ones of its own.

• HeadingsPartial

  Headings are there, but not always one main heading per page or a tidy order of levels beneath it.

Strengths

• Scannable formattingStrong

  Pages open with a short summary and use lists and tables, so an engine can lift the facts without reading everything.

Opportunities

• Structured dataMissing

  Pages carry no structured data, so nothing tells an engine what each one is; marking up the page type, and the site's name, is the first step here.

• Question-and-answer shapePartial

  Some headings are questions with an answer beneath them; more of them, each followed by a short direct answer, is what an answer engine lifts.

• Navigation aidsMissing

  Pages give no sign of where they sit in the site; a breadcrumb trail on interior pages, in text and in markup, is the fix.

Strengths

• AI accessStrong

  AI crawlers are allowed in, and pages may be quoted in AI answers.

Opportunities

• IdentityPartial

  Who is behind the site is partly clear; an About page, a Contact page, and markup naming the organization would let machines say so with confidence.

• Readable without JavaScriptPartial

  Most content is readable without running scripts, but some pages arrive thin, or the content is not clearly marked out from the furniture around it.

• Authorship and sourcingPartial

  Some articles say who wrote them and when, and some pages cite sources; the rest should say so too.

Strengths

• BacklinksStrong

  Plenty of other sites link here, including ones that matter.

• TrafficStrong

  The site has a large audience.

• Domain historyStrong

  The domain has a long history, and history counts.

Opportunities

Nothing here to work on. The points left are the ones only the web's largest sites earn.