Analyze 21st Century Bearings

Page load speed analysis

  • First response

    549 ms

  • Resources loaded

    27.64 sec

  • Page rendered

    731 ms

  • Total page load time

    28.92 sec

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We analyzed page load time and found that the first response time was 549 ms and then it took 28.37 sec to load all DOM resources and completely render a web page.

Page optimization

  • HTML 11.64 Kb
    Images 382.39 Kb
    Javascripts 281.17 Kb
    CSS 100.42 Kb

    In fact, the total size of main page is 494.45 Kb.This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages.Only 5% of websites need less resources to load.Images take 382.39 Kb which makes up the majority of the site volume.

    • Original 11.64 Kb
    • After minification 10.71 Kb
    • After compression 3.84 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 3.84 Kb or 67% of the original size.

    • Original 382.39 Kb
    • After optimization 370.92 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. 21st Century Bearings needs image optimization as it can save up to 370.92 Kb or 97% of the original volume..The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 281.17 Kb
    • After minification 264.3 Kb
    • After compression 59.05 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 59.05 Kb or 21% of the original size.

    • Original 100.42 Kb
    • After minification 94.39 Kb
    • After compression 20.08 Kb

    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 needs all CSS files to be minified and compressed as it can save up to 20.08 Kb or 20% of the original size.

Network requests diagram

  • jquery.ui.all.css
  • jquery.ui.autocomplete.css
  • uibaseautocomplete.css
  • Stylestwcebe.css
  • calendar-blue.css
  • jquery.simplemodal.css
  • jquery.cluetip.css
  • jcarousel.css
  • jquery.autocomplete.css
  • P21Javascript.js
  • calendar.js
  • calendar-en.js
  • calendar-setup.js
  • morecalendar.js
  • MiniCart.js
  • PopupMessage.js
  • attributesContainer.js
  • jquery-latest.js
  • jquery.cluetip.js
  • jquery.popmenu.js
  • jquery.autocomplete-min.js
  • jquery.jcarousel.min.js
  • jquery-ui-1.8.18.custom.min.js
  • jquery.jstree.js
  • P21JQuery.js
  • AJAXItemSearchAutoComplete.js
  • AJAXAutoComplete.js
  • jquery.validate.min.js
  • jquery.simplemodal.js
  • PromoEmail.js
  • b2bse.js
  • contentonly.aspx
  • css
  • contentonly.aspx
  • contentonly.aspx
  • contentonly.aspx
  • contentonly.aspx
  • jquery.ui.base.css
  • jquery.ui.theme.css
  • contentonly.aspx
  • jquery.ui.core.css
  • jquery.ui.accordion.css
  • jquery.ui.button.css
  • jquery.ui.datepicker.css
  • jquery.ui.dialog.css
  • jquery.ui.progressbar.css
  • jquery.ui.resizable.css
  • jquery.ui.selectable.css
  • jquery.ui.slider.css
  • jquery.ui.tabs.css
  • AJAXConfigHandler.aspx
  • AJAXConfigHandler.aspx
  • analytics.js
  • bg.jpg
  • contentonly.aspx
  • contentonly.aspx
  • phone.gif
  • commt.gif
  • SlGWmQWMvZQIdix7AFxXmMh3eDs1Yg.ttf
  • SlGVmQWMvZQIdix7AFxXkHNSaA.ttf
  • search_bg.jpg
  • contentonly.aspx
  • contentonly.aspx
  • advSearch.gif
  • cart.gif
  • contentonly.aspx
  • arrow.gif
  • contentonly.aspx
  • contentonly.aspx
  • contentonly.aspx
  • contentonly.aspx
  • contentonly.aspx
  • contentonly.aspx
  • spacer.gif
  • contentonly.aspx
  • contentonly.aspx
  • contentonly.aspx
  • contentonly.aspx
  • contentonly.aspx
  • contentonly.aspx
  • contentonly.aspx
  • collect
  • GetCustomer.ashx
  • css%3Ffamily%3DDroid+Sans%3A400%2C700%27%29%3B
  • ShoppingCartLineItem.aspx
  • footer_bg.jpg
  • footer_top_bg.jpg
  • ui-bg_flat_75_ffffff_40x100.png
  • ui-bg_highlight-soft_75_cccccc_1x100.png
  • ajax-loader.gif
  • contentonly.aspx
  • contentonly.aspx
  • contentonly.aspx

Our browser made a total of 94 requests and 3 domains to load all elements on the main page.We found that 94% of them (88 requests) were addressed to the original,2% (2 request) were made to 2.% (2 request) were made to less responsive or slowest element that took the longest time to load (776 ms) relates to the external jquery-ui-1.8.18.custom.min.js.

Additional info on


The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 21st Century Bearings. According to our analytics all requests are already optimized.









Possible request optimization











Good result

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 Info
MXMX preference = 0, Mail exchanger = 2019042200 28800 7200 604800 600
TXT"v=spf1 -all"

Language and encoding

Normal result


N/A da language flag


N/Asv 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. Our system also found out that main page’s claimed encoding is . Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

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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

Country of origin for 80% of all visits is Canada. It lies approximately 5150 miles away from the server location (United States) and such a long distance can negatively affect website speed, as it takes some time for data to travel back and forth between those places. That’s why one of the best ways to speed up page load time for the majority of users is moving the server to Canada or just closer to the user base.

Poor result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of 21st Century Bearings. 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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