duolingo - Learn, Spanish, German, French, Portuguese, Italian, English, Free, Lessons,


screenshot duolingo
(Average Rating 5 Based on 1 rating)
Website: duolingo.com
Google Pagerank: PR0
Alexa: 851
Worth: $2,675,688 USD

Report created at Sunday 27th of December 2015 10:22:43 PM

Score of duolingo
Process: 44/44

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SEO Result For duolingo.com

Meta Title & Description

Unique, descriptive titles make better search engine results. If the title is longer than 65 characters, it may be cut off when it is displayed on a search results page.(better between 40 and 50 characters.)
Description more than 10 words and less than 160 characters.(better between 90 and 155 characters.)
Keywords less than 10 phrases.

Google Search




H1 H2 H3 H4 H5 H6

    Text/HTML Ratio

    The text to HTML ratio is very low.

    Indexed Pages


    Google Bot Last Accces

    Lass access: 7 hours ago.

    Google+ Publisher

    Linking to your Google+ Publisher is missing.

    WWW Resolve

    Yes! duolingo redirects to WWW.

    IP Canonicalization

    Warning! not forwarding to duolingo.com

    Link Canonical

    Meta Robots

    Great! The Meta Robots tag allows indexation.


    Yes! robots.txt.

    XML Sitemap

    Yes! your website have sitemap (1 Urls).

    URL Rewrite

    Good, the URLs look clean.

    Underscores in the URLs

    Great! you are not using underscores in your URLs.

    If your URL contains underscores the link will look similar to this:



    Recommend :http://duolingo.com/-page1.html

    Blocking Factors

    Flash: Yes
    Iframe: Yes


    duolingo.com Usability


    Duolingo.com(8 characters)
    Update: 05-nov-2015
    Registered: 26-jan-2010
    Expires: 26-jan-2019

    Domain Availability
    duolingo.com is already taken.
    duolingo.net is already taken.
    duolingo.org is already taken.
    duolingo.info is already taken.
    duolingo.biz is already taken.
    Typo Availability


    Not found favicon in your website.

    Apple Icon

    Yes! duolingo.com have apple icon.

    Custom 404 Page

    duolingo.com not have custom 404 page.

    Page Size

    Page size 53.61 KB (Average is 330 Kb). After optimizing HTML (50.365 KB. About 6% size reduction).

    Server Response Time

    0.7 second(s) (1.34 KB/s).


    Declared: English
    Detect: English

    Structured Data Markup

    Yes! your website has structured data markup.
    • fb:app_id
    • og:type
    • og:url
    • og:image
    • og:site_name
    • og:title
    • og:description

    Email Privacy

    Good, no email address has been found.

    duolingo.com Technologies

    Server Uptime

    Login and choose website to start get notified when gose down.
    Start Uptime Monitoring Service

    Server Infomation

    Hosted IP Address:
    Hosted location: Ashburn - United States
    Location Latitude: 39.043720245361
    Location Longitude: -77.487487792969
    Zip Code: 20146
    Region Name: Virginia
    Time Zone: -05:00

    Speed Test Website

    Score: 80

    Redirect Compression Caching Responded Visible ContentRender BlockingImagesJavascriptHtmlCSS
    numberResources42 bytes
    numberHosts15 bytes
    totalRequestBytes8.35 KB
    numberStaticResources29 bytes
    htmlResponseBytes96.10 KB
    overTheWireResponeBytes3.97 MB
    cssResponseBytes918.45 KB
    imageResponseBytes613.76 KB
    javascriptResponseBytes2.26 MB
    otherResponseBytes2.20 KB
    numberJsResources17 bytes
    numberCssResources3 bytes

    Speed Tips

    Warring, Gzip disable.
    Perfect, Not using inline js.
    Warring, Remove inline css in your website.
    Warring, Remove content script tags and combine in js file.
    Perfect, Not using style tags.
    Perfect, Not using nested tables.
    Perfect, Your website not use deprecated tags.
    Perfect, Your website has few Javascript files.
    Perfect, Your website has few CSS files.

    CSS File

    /proxy/css2/066d91796436019d7075e6038f4725a6_mv_0317b9cd975b0be0a89f1...45.448 bytes45.413 bytes
    /proxy/css2/066d91796436019d7075e6038f4725a6_mv_0317b9cd975b0be0a89f1...49.095 bytes48.255 bytes2%
    /proxy/css2/066d91796436019d7075e6038f4725a6_mv_0317b9cd975b0be0a89f1...20.712 bytes20.183 bytes3%

    Script File

    /proxy/js2/0dc270dc12fcd776285a-vendor.js195.003 bytes184.812 bytes5%
    /proxy/js2/0dc270dc12fcd776285a-duolingo.js271.415 bytes244.597 bytes10%


    Google Analytics


    HTML 5


    Great, encoding is specified: UTF-8.

    SSL Certificates

    Great, *.duolingo.com SSL secured (HTTPS) Valid From: 02/03/2015 To 02/06/2017.

    duolingo.com Promote

    Crawl Error

    Login and Upgrade now to get report for duolingo.com provides details. Check Google bot when crawl your site find error page that return error code.
    Start Crawl Website Service

    Website Ranks & Scores

    Child Safety: 94/100
    Alexa Backlink: 3937
    Domain Authority: 75.8
    Page Authority: 74.43
    DMOZ Listing: No


    Mobile Viewport

    Yes! your webpage have Meta Viewport.
    width=device-width, initial-scale=1.0

    Mobile Friendly

    Score: of 100% (out of 100).

    moblie duolingo.com

    Social Engagement

    Facebook Shares: N/a
    Facebook Likes: N/a
    Facebook Comments: 0
    Google+: 309k
    Twitter Count (Tweets): N/a
    Linkedin Shares: 3737
    Stumble: 118103
    Pinterest: N/a


    Traffic Estimations

    Daily unique visits: 503,907
    Daily page views: 4,031,256