1.7 sec in total
313 ms
700 ms
698 ms
Click here to check amazing School Calls content. Otherwise, check out these important facts you probably never knew about school-calls.com
School calls and school announcements using voice messaging broadcasting services. Call center technology products and services.
Visit school-calls.comWe analyzed School-calls.com page load time and found that the first response time was 313 ms and then it took 1.4 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.
school-calls.com performance score
name
value
score
weighting
Value1.2 s
99/100
10%
Value1.5 s
100/100
25%
Value1.5 s
100/100
10%
Value10 ms
100/100
30%
Value0.499
16/100
15%
Value2.0 s
99/100
10%
313 ms
112 ms
330 ms
365 ms
279 ms
Our browser made a total of 14 requests to load all elements on the main page. We found that 86% of them (12 requests) were addressed to the original School-calls.com, 14% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (373 ms) belongs to the original domain School-calls.com.
Page size can be reduced by 52.4 kB (36%)
144.8 kB
92.5 kB
In fact, the total size of School-calls.com main page is 144.8 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. 20% of websites need less resources to load. Images take 72.7 kB which makes up the majority of the site volume.
Potential reduce by 10.7 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. This page needs HTML code to be minified as it can gain 1.6 kB, which is 11% 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 10.7 kB or 71% of the original size.
Potential reduce by 6.6 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. School Calls images are well optimized though.
Potential reduce by 32.0 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 32.0 kB or 60% of the original size.
Potential reduce by 3.2 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. School-calls.com needs all CSS files to be minified and compressed as it can save up to 3.2 kB or 75% of the original size.
We found no issues to fix!
13
13
The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of School Calls. According to our analytics all requests are already optimized.
school-calls.com
313 ms
style.css
112 ms
school_calls_bird.jpg
330 ms
school_calls_banner.gif
365 ms
lightline.jpg
279 ms
school-calls-logo.gif
312 ms
dsc-logo.gif
373 ms
school-calls.jpg
326 ms
school-calls-register.jpg
348 ms
school-reminders-client.jpg
260 ms
android-vb.jpg
258 ms
analytics.js
8 ms
collect
92 ms
print.css
69 ms
school-calls.com accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
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.
school-calls.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
school-calls.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Tap targets are not sized appropriately
EN
N/A
WINDOWS-1252
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise School-calls.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 School-calls.com main page’s claimed encoding is windows-1252. 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.
school-calls.com
Open Graph description is not detected on the main page of School Calls. 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: