Analyze Free Online Jigsaw Puzzles and Puzzle Games

Free online jigsaw puzzles. All jigsaw puzzles comes with daily, weekly and alltime highscores. Fastests player get top of the highscore so be QUICK.

Page load speed analysis

  • 58/100

    Normal result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    302 ms

  • Resources loaded

    1.9 sec

  • Page rendered

    472 ms

  • Total page load time

    2.7 sec

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We analyzed page load time and found that the first response time was 302 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Page optimization

  • HTML 50.4 kB
    Images 889.6 kB
    Javascripts 111.2 kB
    CSS 724 B

    In fact, the total size of main page is 1.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 889.6 kB which makes up the majority of the site volume.

    • Original 50.4 kB
    • After minification 43.2 kB
    • After compression 7.7 kB

    HTML optimization

    HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 7.2 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 42.7 kB or 85% of the original size.

    • Original 889.6 kB
    • After optimization 881.1 kB

    Image optimization

    Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Castlib images are well optimized though.

    • Original 111.2 kB
    • After minification 107.5 kB
    • After compression 39.6 kB

    JavaScript optimization

    It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 71.6 kB or 64% of the original size.

    • Original 724 B
    • After minification 622 B
    • After compression 200 B

    CSS optimization

    CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. needs all CSS files to be minified and compressed as it can save up to 524 B or 72% of the original size.

Network requests diagram

  • free-online-jigsaw-puzzle-and-puzzle-games.php
  • castlib.css
  • show_ads.js
  • urchin.js
  • ca-pub-4435465371062717.js
  • zrt_lookup.html
  • show_ads_impl.js
  • happywhale150.jpg
  • __utm.gif
  • venedi2150.jpg
  • leopardwatch150.jpg
  • hare150.jpg
  • NewYork150.jpg
  • parrot150.jpg
  • arizona150px.jpg
  • lizzard150.jpg
  • vendespilfarm.jpg
  • subway150.jpg
  • santorini150.jpg
  • chipmunk150.jpg
  • ditrevi150.jpg
  • puzzle.jpg
  • Chicago-Train-Station150.jpg
  • horseracing150.jpg
  • Chip150.jpg
  • soccer150.jpg
  • snowmonkeys150.jpg
  • goldeneagle150.jpg
  • panda150.jpg
  • venice3150.jpg
  • lioncub150.jpg
  • cow.jpg
  • fuji150.jpg
  • spaceinvader150.jpg
  • waterfall.jpg
  • touchDown150.jpg
  • pysse150.jpg
  • Kylemore150.jpg
  • flowerpow150.jpg
  • honey150px.jpg
  • pingvin150.jpg
  • starfishPuzzle.jpg
  • tigers150.jpg
  • frog150.jpg
  • whitepix.jpg
  • bg_s.jpg
  • topLogo.jpg
  • logoType2.jpg
  • blackpix.jpg
  • New_gray_bullet.gif
  • invisible.gif
  • New_bullet.jpg
  • real_flag_uk.gif
  • real_flag_nl.gif
  • real_flag_fr.gif
  • real_flag_ge.gif
  • real_flag_it.gif
  • real_flag_es.gif
  • real_flag_da.gif
  • ads
  • osd.js
  • koala150.jpg
  • spaceshooter150.jpg
  • lionmale150.jpg
  • springpath150.jpg
  • americaneagle150.jpg
  • spring150.jpg
  • oldmill150.jpg
  • chinesewall150.jpg
  • steelworker150px.jpg
  • japanesemaple150.jpg
  • laptop150.jpg
  • therockys150.jpg
  • puzzlevenedi.jpg
  • basketKitten150.jpg
  • gepardatlake150.jpg
  • doors150.jpg
  • mushroom150.jpg
  • sognefjord150.jpg
  • telAvivSkyline150.jpg
  • scotland150.jpg
  • owl150.jpg
  • hungry150.jpg

Our browser made a total of 84 requests to load all elements on the main page. We found that 90% of them (76 requests) were addressed to the original, 5% (4 requests) were made to and 2% (2 requests) were made to The less responsive or slowest element that took the longest time to load (954 ms) belongs to the original domain

Additional info on


The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Castlib. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.











Possible request optimization













Normal result


As for redirects, our browser was forwarded to before it reached this domain.

IP address uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 3599
NS 14399
NS 14399

14399 Mname:
Serial: 2018081302
Refresh: 14400
Retry: 3600
Expire: 1209600
Minimum-ttl: 900
MX 3599 Pri: 10

Language and encoding

Poor result


N/A  language flag


EN en language flag





Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

HTTPS certificate

SSL Certificate has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

The server of is located in Denmark, but, unfortunately, we cannot identify the countries where the visitors come from and thus it’s impossible to define if the distance can potentially affect the page load time.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Castlib. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

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