SEO report for bootstraph.com
https://bootstraph.com/ · checked Wed, 11 Nov 2026 12:46 GMT
Fix these first
- Topic focushigh
1 of 3 title keywords appear in the main content (missing: 5中文手册, bootstrap文档网).
Fix: Use your main title phrases naturally in the opening paragraph and headings.
- Entity clarityhigh
No Organization / LocalBusiness structured data – search engines and AI have to guess who runs this site.
Fix: Add Organization or LocalBusiness JSON-LD with name, url, logo, contact details and sameAs links to your official profiles.
- JSON-LD present & validhigh
No JSON-LD structured data.
Fix: Add JSON-LD describing the business and the page (Organization/LocalBusiness, WebSite, WebPage or Article, BreadcrumbList).
- Broken links (sample)high
Checked 12 internal link(s).
Fix: Fix or remove links that return errors, and update links that redirect.
- Server response (TTFB)high
3758 ms until the first response from our checker, including connection setup (Google rates TTFB good under 0.8 s, poor over 1.8 s).
Fix: Use page caching or a CDN (e.g. Cloudflare) so HTML is served from the edge.
- www / non-wwwmedium
Both www.bootstraph.com and bootstraph.com load without redirecting – Google may see duplicate sites.
Fix: Pick one version (with or without www) and 301-redirect the other to it.
- Open Graph & social cardsmedium
Open Graph title or image missing.
Fix: Add og:title, og:description, og:image (1200×630 PNG/JPG, absolute URL) and twitter:card=summary_large_image.
- Heading structuremedium
38 headings for 420 words – a lot for the amount of text.
Fix: Use H2s for main sections and H3s inside them, without skipping levels.
Real-world speed Google PageSpeed
Loading Core Web Vitals from Google… this can take up to 30 seconds.
Authority & backlinks
Looking up which websites link to bootstraph.com…
Indexing & crawling 85%
Can search engines reach, read and index this page?
- ✓
Status codecritical
The page returned HTTP 200.
- ✓
Indexablecritical
No noindex instruction – the page can appear in search.
- ✓
robots.txthigh
robots.txt found.
Googlebot is allowed to crawl this page.
- ✓
XML sitemaphigh
Sitemap found at https://bootstraph.com/sitemap.xml with 143 URLs.
Declared in robots.txt.
This page is NOT listed in it.
No lastmod dates – add accurate ones so search engines know what changed.
- !
Canonical URLhigh
Canonical: https://www.bootstrap.com/
Points to a DIFFERENT address – Google will probably index that one instead of this page.
The canonical points to a different website.
Fix: Add <link rel="canonical" href="(this page's full URL)"> – only point it elsewhere for true duplicates.
- ✓
Redirectshigh
Loads directly with no redirects.
- ✗
www / non-wwwmedium
Both www.bootstraph.com and bootstraph.com load without redirecting – Google may see duplicate sites.
Fix: Pick one version (with or without www) and 301-redirect the other to it.
Search snippet & sharing 83%
How the page looks in Google results and when shared.
- ✓
Title tagcritical
“Bootstrap 5中文手册 - Bootstrap文档网”
About 284px of Google's ~580px desktop width.
- ✓
Meta descriptionhigh
118 characters, ~836px of ~990px.
Good length.
Google sometimes rewrites descriptions to match the search; a good one is still used most often.
- ✓
Faviconlow
Favicon linked (Google shows it next to results).
- ✓
Languagelow
lang="zh-CN"
Content quality 62%
Is there enough clear, useful text that matches what the page targets?
- ✓
Word countmedium
420 words of main content (inside <main>).
Google has no minimum word count – this is a rough guide to whether the page answers the question in full.
- i
Readabilitymedium
Reading-ease scores only work for English; this page is lang="zh-CN".
- ✗
Topic focushigh
1 of 3 title keywords appear in the main content (missing: 5中文手册, bootstrap文档网).
Fix: Use your main title phrases naturally in the opening paragraph and headings.
- ✓
H1 headingcritical
“Bootstrap用于构建快速、响应式布局网站前端框架”
- ✗
Heading structuremedium
38 headings for 420 words – a lot for the amount of text.
1 skipped level(s), e.g. H2 → H4.
Fix: Use H2s for main sections and H3s inside them, without skipping levels.
- ✓
Text-to-code ratiolow
10% of the HTML is visible text.
AI search readiness 38%
Can ChatGPT, Claude, Perplexity and Google AI Overviews read, understand and cite this site?
- ✓
AI crawler accesshigh
Search and AI-search crawlers (Googlebot, Bingbot, OAI-SearchBot, Claude-SearchBot, PerplexityBot…) can read this page.
- ✓
Snippet controlshigh
No snippet restrictions – search and AI answers can quote this page.
- ✗
llms.txtlow
No /llms.txt file. It's an optional, emerging convention – few AI tools are confirmed to read it yet, so this is low priority.
Fix: Optionally add /llms.txt: a short Markdown summary of who you are with links to your key pages.
- ✗
Question-led contentmedium
No headings phrased as questions.
Fix: Add headings that match real questions ("How much does…?") followed by a direct one- or two-sentence answer – an easy format for search and AI answers to quote.
- ✗
Entity clarityhigh
No Organization / LocalBusiness structured data – search engines and AI have to guess who runs this site.
Fix: Add Organization or LocalBusiness JSON-LD with name, url, logo, contact details and sameAs links to your official profiles.
- ✗
Freshness signalsmedium
No published/updated date found.
Fix: Show a 'last updated' date and add dateModified to your structured data.
- ✗
Trust pages (E-E-A-T)medium
No links found to about, contact or privacy pages.
Fix: Link to About, Contact and Privacy pages from every page – they help visitors, Google and AI tools see who stands behind the content.
Structured data 0%
Machine-readable facts for rich results and AI.
- ✗
JSON-LD present & validhigh
No JSON-LD structured data.
Fix: Add JSON-LD describing the business and the page (Organization/LocalBusiness, WebSite, WebPage or Article, BreadcrumbList).
Links 50%
Internal linking, anchor text and broken links.
- ✓
Internal linkinghigh
51 internal and 24 external links.
- !
Anchor text qualitymedium
Same text used for different pages: “文档”.
Fix: Make every link text describe its destination, e.g. “logo design prices” instead of “click here”.
- ✗
Broken links (sample)high
Checked 12 internal link(s).
Broken: /docs/versions/ (404), /ging%20started/download/ (404).
3 link(s) point to a redirect – link to the final address instead.
Fix: Fix or remove links that return errors, and update links that redirect.
Performance 63%
Speed signals from the HTML and server. Real-user Core Web Vitals load below.
- ✗
Server response (TTFB)high
3758 ms until the first response from our checker, including connection setup (Google rates TTFB good under 0.8 s, poor over 1.8 s).
Fix: Use page caching or a CDN (e.g. Cloudflare) so HTML is served from the edge.
- ✓
HTML sizemedium
68 kB of HTML.
- ✓
Compressionmedium
Compressed with gzip.
- !
Render-blocking resourceshigh
1 blocking script(s) and 2 stylesheet(s) in <head>.
Fix: Add defer to scripts, inline critical CSS and load the rest asynchronously.
- ✓
Scripts & third partiesmedium
4 script tag(s); files loaded from 0 other domain(s).
- ✓
Imagesmedium
6 image(s).
All images reserve their space.
2 use WebP/AVIF or responsive srcset.
- ✗
Cachinglow
No Cache-Control header.
Fix: Set Cache-Control so browsers and CDNs can reuse the page.
- i
HTTP/3low
Couldn't be confirmed from our server – the alt-svc header that advertises HTTP/3 isn't always visible to it. Your site is on Cloudflare, which offers HTTP/3 under Network settings.
Security 92%
Visitor safety signals that browsers and Google check.
- ✓
HTTPScritical
Secure HTTPS with no mixed content.
- ✓
HTTP → HTTPS redirecthigh
http:// redirects to https://.
- ✓
HSTSmedium
HSTS: max-age=31536000
- ✗
Security headerslow
Present: none.
Fix: Add X-Content-Type-Options, Referrer-Policy, Permissions-Policy and X-Frame-Options (or a CSP).
- ✓
Server fingerprintlow
No X-Powered-By header (server: cloudflare).
Mobile & accessibility 80%
Usable on phones and by everyone – Google indexes the mobile version.
- ✓
Mobile viewportcritical
viewport: width=device-width, initial-scale=1
- ✓
Image alt textmedium
All 6 images have alt text.
- ✓
Link nameslow
Every link has a readable name.
- ✗
Tap-to-contactmedium
No tel: or mailto: links.
Fix: Add a tap-to-call or tap-to-email button so phone visitors can contact you instantly.
Local SEO not scored
This site doesn't look like a local business, so these checks are shown for information and not scored.
- i
LocalBusiness markuphigh
No LocalBusiness structured data.
- i
Contact details on pagemedium
No phone number found.
No postcode found (fine for service-area businesses).
- i
Map & directionslow
No map or directions link.