1.1 sec in total
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Teachers.io is an app where teachers can organize and share their class information. Available in the app store!Visit teachers.io
We analyzed Teachers.io page load time and found that the first response time was 28 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
teachers.io performance score
Our browser made a total of 22 requests to load all elements on the main page. We found that 9% of them (2 requests) were addressed to the original Teachers.io, 68% (15 requests) were made to D1ec4mget7355z.cloudfront.net and 9% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (262 ms) relates to the external source D1ec4mget7355z.cloudfront.net.
Page size can be reduced by 180.1 kB (29%)
In fact, the total size of Teachers.io main page is 624.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 386.7 kB which makes up the majority of the site volume.
Potential reduce by 14.7 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 14.7 kB or 77% of the original size.
Potential reduce by 5.3 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. Teachers images are well optimized though.
Potential reduce by 45.2 kB
Potential reduce by 114.9 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. Teachers.io needs all CSS files to be minified and compressed as it can save up to 114.9 kB or 81% of the original size.
Number of requests can be reduced by 3 (16%)
teachers.io accessibility score
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
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.
Image elements do not have [alt] attributes
These items highlight common accessibility best practices.
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
teachers.io best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
teachers.io SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Image elements do not have [alt] attributes
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/).
Document uses legible font sizes
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Teachers.io can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Teachers.io main page’s claimed encoding is utf-8. 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.
Open Graph description is not detected on the main page of Teachers. 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: