Infrastructure
· 17 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.BDNSSECUnsigned (DNSSEC not deployed)REVIEW
BCAA RecordsNo CAA records (any CA may issue certificates)REVIEW
CReverse DNSAction0/4 IPs match cert SANREVIEW
CCrawlabilityActionrobots.txt present, sitemap with 0 URLsREVIEW
Search engines may not be able to parse the sitemap. Fix XML validation errors.
An unparseable sitemap is silently ignored by Google — the URLs it advertises are never queued for crawl.
Learn more ▾ ▴
Google's sitemap parser is strict about XML validity. A single unescaped `&` or unclosed tag invalidates the whole file. Run your sitemap through a validator (Search Console's Sitemaps report flags it) and fix the offending entry. Most generators escape correctly; mistakes usually come from manually-written entries.
Source: sitemaps.org / Google Search Central
An empty sitemap provides no value. Add <url> entries for your pages.
An empty sitemap signals 'no content to index' to Google — actively harmful versus having no sitemap at all.
Learn more ▾ ▴
Google compares URLs in the sitemap against URLs it has crawled. An empty sitemap on a site with thousands of pages signals abandonment. Either populate it correctly (most CMSes auto-generate) or delete the file and let Google crawl normally.
Source: Google Search Central / sitemaps.org
Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap.
robots.txt omits Sitemap: directive — crawlers must fetch /sitemap.xml by convention; reliable but missing the explicit hint.
Source: sitemaps.org
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Elevate Listening Lessons — English Listening Tests & Grammar Practice</title>
<meta name="description" content="Free grammar-based English listening lessons and interactive tests by Elevate ESL Lessons. Practice with authentic audio dialogues and instant scoring." />
<meta property="og:title" content="Elevate Listening Lessons — English Listening Tests & Grammar Practice" />
<meta property="og:description" content="Free grammar-based English listening lessons and interactive tests by Elevate ESL Lessons. Practice with authentic audio dialogues and instant scoring." />
<meta property="og:type" content="website" />
<meta property="og:image" content="/logo.png" />
<meta name="twitter:card" content="summary_large_image" />
<link rel="canonical" href="https://esl-go.com" />
<link rel="icon" type="image/png" href="/logo.png" />
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap" rel="stylesheet" />
<script type="module" crossorigin src="/assets/index-DfSHavb5.js"></script>
<link rel="stylesheet" crossorigin href="/assets/index-wDnpTs0m.css">
</head>
<body class="bg-[#f1f5f9] text-[#1e293b] font-sans antialiased selection:bg-[#fbbf24] selection:text-[#1e293b]">
<div id="root"></div>
</body>
</html>
BTLS Certificate Expiry & Recommendations88 days until leaf cert expires — 3 issues to addressREVIEW
Certificate validity
Recommended actions
- Enable HSTS: Strict-Transport-Security: max-age=31536000; includeSubDomains
- Enable DNSSEC on your domain for DNS spoofing protection
- Enable OCSP stapling on your TLS server to remove a CA roundtrip and protect user privacy
BOperational Status PageNo status page link detectedREVIEW
A+DNS Records2 A records, 68 ms lookupPASS
| A | 104.21.87.202, 172.67.145.241 |
| AAAA | 2606:4700:3037::6815:57ca, 2606:4700:3035::ac43:91f1 |
| CNAME | — |
| NS | autumn.ns.cloudflare.com, alaric.ns.cloudflare.com |
| MX | 26 route3.mx.cloudflare.net 64 route2.mx.cloudflare.net 96 route1.mx.cloudflare.net |
| TXT | SPF v=spf1 include:_spf.mx.cloudflare.net ~all |
| CAA | Lookup not available with standard resolver |
A+Subdomain TakeoverNo subdomain takeover risk detectedPASS
A+Multi-Resolver DNS SpeedMean 25ms across 3 resolvers (spread 1ms)PASS
A+Redirect ChainNo redirects — direct accessPASS
https://esl-go.com
107 ms · HTTP/1.1 FINAL
| # | URL | Status | Time | Protocol | Server |
|---|---|---|---|---|---|
| 1 | https://esl-go.com | 200 | 107 ms | HTTP/1.1 | cloudflare |
A+IPv6 ReadinessIPv6 reachable (17 ms)PASS
A+URL Variantswww/non-www, trailing slash, HTTP→HTTPSPASS
www / non-www
Preferred variant: non-www
HTTP → HTTPS
Consistent
A+Domain Intelligenceesl-go.com — via Cloudflare, Inc., 1 days oldPASS
363 days
September 19, 2027
88 days
Issued by Google Trust Services
1 days
Registered September 19, 2026
Not enabled
Protects against DNS spoofing
Unknown
2606:4700:3037::6815:57ca
Cloudflare, Inc.
Expiry timeline
Recommended actions
- Enable DNSSEC to protect visitors from DNS spoofing
- Newly registered domain — build backlinks and content to establish SEO trust
- Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
Newly registered domains may face SEO trust challenges. Search engines generally give more authority to older domains. This is informational — not a problem to fix.
Informational: domain age. Newer domains may have lower trust signals in spam/security filters.
DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it.
Without DNSSEC, an attacker who can poison your DNS can hijack your domain — and SSL certs alone don't stop them.
Learn more ▾ ▴
DNSSEC adds cryptographic signatures to DNS records, preventing forged responses from poisoning resolver caches. Without it, an attacker who controls the network path can redirect your domain to a malicious server before any HTTPS handshake happens. Most modern registrars (Cloudflare, Google Domains, Route 53) enable it with one toggle.
Source: ICANN / RFC 4033
The domain can be transferred without an unlock step. Enable registrar lock (clientTransferProhibited) in your registrar's control panel to protect against unauthorized or accidental transfers.
Without registrar lock, an attacker who phishes your registrar credentials can transfer the domain in minutes — total brand hijack.
Learn more ▾ ▴
Registrar lock (clientTransferProhibited, clientUpdateProhibited, clientDeleteProhibited) requires extra verification before any transfer/update/delete. Every major registrar offers it free. Combined with 2FA on your registrar account, it's the strongest defense against domain hijacking.
Source: ICANN / domain-security best practice
A+HTTP Probe TimingTotal 152 ms — DNS, TCP, TLS, TTFB, content transfer breakdownPASS
Connection waterfall
ACDN & DeliveryDocument on Cloudflare; assets also on imgixPASS
Asset hosts on a CDN
- images.unsplash.com — imgix · assets: 6 · Cache Status: HIT, HIT
Other asset hosts
- fonts.googleapis.com — assets: 2 · below probe threshold