1.3 sec in total
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Welcome to teachervision.com homepage info - get ready to check Teacher Vision best content for United States right away, or after learning these important things about teachervision.com
TeacherVision provides teachers with expertly curated teaching resources and printables across all subjects for grades pre-K to 12.
Visit teachervision.comWe analyzed Teachervision.com page load time and found that the first response time was 12 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
teachervision.com performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value14.9 s
0/100
25%
Value11.8 s
4/100
10%
Value6,960 ms
0/100
30%
Value0
100/100
15%
Value17.7 s
4/100
10%
12 ms
165 ms
120 ms
12 ms
123 ms
Our browser made a total of 77 requests to load all elements on the main page. We found that 4% of them (3 requests) were addressed to the original Teachervision.com, 27% (21 requests) were made to I.infopls.com and 13% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (373 ms) relates to the external source Fonts.gstatic.com.
Page size can be reduced by 1.1 MB (67%)
1.6 MB
527.8 kB
In fact, the total size of Teachervision.com main page is 1.6 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. 55% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 198.0 kB
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 198.0 kB or 78% of the original size.
Potential reduce by 3.3 kB
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. Teacher Vision images are well optimized though.
Potential reduce by 680.3 kB
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 680.3 kB or 66% of the original size.
Potential reduce by 172.8 kB
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. Teachervision.com needs all CSS files to be minified and compressed as it can save up to 172.8 kB or 81% of the original size.
Number of requests can be reduced by 49 (73%)
67
18
The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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 27 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
teachervision.com
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www.teachervision.com
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bootstrap.min.css
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yamm.css
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tv15.css
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membership.css
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jquery-ui-lightness.css
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jquery-1.7.2.min.js
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jquery-ui-1.7.2.appedcustom.min.js
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tvhome09.css
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beacon.js
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font-awesome.min.css
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plusone.js
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teachervision.com accessibility score
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Buttons do not have an accessible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
teachervision.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
teachervision.com SEO score
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Teachervision.com 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 Teachervision.com 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.
teachervision.com
Open Graph description is not detected on the main page of 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: