Tools & Wizards About Us
schoolcalendars.org screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    60% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

schoolcalendars.org

Official School Dates & Holidays | SchoolCalendars.org

Page Load Speed

840 ms in total

First Response

159 ms

Resources Loaded

519 ms

Page Rendered

162 ms

schoolcalendars.org screenshot

About Website

Click here to check amazing School Calendars content for United States. Otherwise, check out these important facts you probably never knew about schoolcalendars.org

Academic calendars, event calendars, athletic calendars, lunch calendars – if it's published on the web, you'll find it on SchoolCalendars.org.

Visit schoolcalendars.org

Key Findings

We analyzed Schoolcalendars.org page load time and found that the first response time was 159 ms and then it took 681 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

schoolcalendars.org performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value1,970 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

schoolcalendars.org

159 ms

www.schoolcalendars.org

37 ms

font-awesome.min.css

8 ms

common.css

37 ms

css

28 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 11% of them (2 requests) were addressed to the original Schoolcalendars.org, 16% (3 requests) were made to Fonts.gstatic.com and 16% (3 requests) were made to Cdn.schoolcalendars.org. The less responsive or slowest element that took the longest time to load (159 ms) belongs to the original domain Schoolcalendars.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 237.1 kB (67%)

Content Size

351.9 kB

After Optimization

114.8 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Schoolcalendars.org main page is 351.9 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. Javascripts take 193.3 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 8.1 kB

  • Original 12.4 kB
  • After minification 11.7 kB
  • After compression 4.2 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 8.1 kB or 66% of the original size.

JavaScript Optimization

-56%

Potential reduce by 108.7 kB

  • Original 193.3 kB
  • After minification 193.3 kB
  • After compression 84.7 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 108.7 kB or 56% of the original size.

CSS Optimization

-82%

Potential reduce by 120.3 kB

  • Original 146.2 kB
  • After minification 139.9 kB
  • After compression 25.8 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. Schoolcalendars.org needs all CSS files to be minified and compressed as it can save up to 120.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (58%)

Requests Now

12

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of School Calendars. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

schoolcalendars.org

schoolcalendars.org

159 ms

www.schoolcalendars.org

www.schoolcalendars.org

37 ms

font-awesome.min.css

font-awesome.min.css

8 ms

common.css

common.css

37 ms

css

css

28 ms

custom.css

custom.css

25 ms

common.js

common.js

32 ms

brand

brand

21 ms

adsbygoogle.js

adsbygoogle.js

10 ms

brand

brand

147 ms

analytics.js

analytics.js

70 ms

IQHow_FEYlDC4Gzy_m8fcgFhaRv2pGgT5Kf0An0s4MM.woff

IQHow_FEYlDC4Gzy_m8fcgFhaRv2pGgT5Kf0An0s4MM.woff

32 ms

y7lebkjgREBJK96VQi37ZobN6UDyHWBl620a-IRfuBk.woff

y7lebkjgREBJK96VQi37ZobN6UDyHWBl620a-IRfuBk.woff

59 ms

dazS1PrQQuCxC3iOAJFEJR_xHqYgAV9Bl_ZQbYUxnQU.woff

dazS1PrQQuCxC3iOAJFEJR_xHqYgAV9Bl_ZQbYUxnQU.woff

78 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

5 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

63 ms

collect

collect

23 ms

collect

collect

58 ms

nr-885.min.js

nr-885.min.js

46 ms

Accessibility Review

schoolcalendars.org accessibility score

54

Accessibility Issues

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

High

[role] values are not valid

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

High

Buttons do not have an accessible name

High

Form elements do not have associated labels

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

schoolcalendars.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

schoolcalendars.org SEO score

100

Search Engine Optimization Advices

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Schoolcalendars.org 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 Schoolcalendars.org 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.

Social Sharing Optimization

schoolcalendars.org

Open Graph description is not detected on the main page of School Calendars. 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: