Analyze Trusted Teaching Resources for Teachers & Parents -

Over 22,000 teaching activities and classroom management resources for every grade and subject, including printables, worksheets and lesson plans.

Page load speed analysis

  • 56/100

    Normal result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    24 ms

  • Resources loaded

    1.9 sec

  • Page rendered

    241 ms

  • Total page load time

    2.2 sec

Click here to check amazing Vli 22 Teacher Vision content for United States. Otherwise, check out these important facts you probably never knew about

We analyzed page load time and found that the first response time was 24 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Page optimization

  • HTML 270.3 kB
    Images 62.2 kB
    Javascripts 933.1 kB
    CSS 213.3 kB

    In fact, the total size of main page is 1.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 933.1 kB which makes up the majority of the site volume.

    • Original 270.3 kB
    • After minification 245.2 kB
    • After compression 58.0 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 212.3 kB or 79% of the original size.

    • Original 62.2 kB
    • After optimization 58.6 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. Vli 22 Teacher Vision images are well optimized though.

    • Original 933.1 kB
    • After minification 929.6 kB
    • After compression 303.9 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 629.3 kB or 67% of the original size.

    • Original 213.3 kB
    • After minification 211.7 kB
    • After compression 40.9 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 rendered. needs all CSS files to be minified and compressed as it can save up to 172.4 kB or 81% of the original size.

Network requests diagram

  • css
  • yamm.css
  • tv15.css
  • membership.css
  • jquery-ui-lightness.css
  • font-awesome.min.css
  • jquery-1.7.2.min.js
  • jquery-ui-1.7.2.appedcustom.min.js
  • cookieads.js
  • tvhome09.css
  • magnific-popup.css
  • beacon.js
  • bGX3RU5Z-9PyqyAzt.js
  • bootstrap.min.js
  • quant.js
  • addthis_widget.js
  • plusone.js
  • bootstrap.min.css
  • f242f97bb2e2b0b84b9684a7863f9e85.js
  • j.php
  • gpt.js
  • gtm.js
  • all.js
  • TV_ResourcePage_WomenSTEM.jpg
  • lg-bookmark-en.gif
  • tv-logo-16.png
  • home-page-video-banner.png
  • tvhm_feat1-0316b.jpg
  • tvhm_feat2-0316b.jpg
  • tv-icon-grad.gif
  • tv-icon-subj.gif
  • tv-icon-less.gif
  • spacer.gif
  • v0SdcGFAl2aezM9Vq_aFTQ.ttf
  • DvlFBScY1r-FMtZSYIYoYw.ttf
  • polyfills.promise.js
  • likebox.php
  • arrw-red-theme.gif
  • logo-icon.png
  • TV_ResourcePage_WomenSTEM.jpg
  • fontawesome-webfont.woff
  • pixel;r=1165489819;a=p-a1M28uhZAfCFw;fpan=1;fpa=P0-1449895815-1459156302858;ns=0;ce=1;cm=;je=0;sr=1024x768x32;enc=n;dst=0;et=1459156302857;tzo=-180;ref=;;ogl=url.https%3A%2F%2Fwww%252Eteachervision%252Ecom%2Cimage.%2F%2Fi%252Einfopls%252Ecom%2Fimages%2Ftv-facebk-logo%252Egif
  • cb=gapi.loaded_0
  • v.gif
  • vanj-4403d336426af9ade21b67a33a234d90.js
  • opa-949357b71eda375b06a39eb1b86f4730.js
  • pubads_impl_81.js
  • analytics.js
  • fbevents.js
  • container.html
  • collect
  • six.css
  • bGX3RU5Z.xml
  • ping.js
  • jwpsrv.js
  • gapro.js
  • collect
  • 3B0ArDU4qFI.css
  • WEFvPNv7jzx.css
  • XCdv7aD40Gm.js
  • lnwXDK64af8.js
  • mn6tHWuLI-Y.js
  • x8BMxYCqTb9.js
  • xd_arbiter.php
  • ga-audiences
  • 11094999_10153507258608364_1667332213337934965_n.png
  • wL6VQj7Ab77.png
  • s7jcwEQH7Sx.png
  • VXcANLwwL5J.js
  • 50Trs1RKgUY.js
  • ibjtm44i
  • 300lo.json
  • sh.953eb77977227bfd253ee158.html
  • intercom.cdcf96f4.js
  • layers.34f2ad207a6dc0c4eb95.js
  • xd_arbiter.php

Our browser made a total of 82 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original, 27% (22 requests) were made to and 12% (10 requests) were made to The less responsive or slowest element that took the longest time to load (466 ms) relates to the external source

Additional info on


The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vli 22 Teacher Vision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.











Possible request optimization













Normal result


As for redirects, our browser reached this domain in two steps. The first redirect led to, then it was forwarded to, and finally we managed to open this domain. We strongly recommend that the redirects should be reduced, as the more redirects a site has, the slower it loads.

IP address uses IP address which is currently shared with 3 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 60
A 60

Language and encoding

Poor result


EN en language flag


N/A  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 service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. 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.

Poor result

Visitor World Map

Country of origin for 37.8% of all visits is United States. It’s good for that their server is also located in United States, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Normal result

Social Sharing Optimization

Open Graph description is not detected on the main page of Vli 22 Teacher Vision. 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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