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Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

addtocalendar.com

AddToCalendar - free button for event page and email. Calendar widget to add event to calendar. Event RSVP. MailChimp compatible. Use CalendarX for Ma...

Page Load Speed

1.1 sec in total

First Response

29 ms

Resources Loaded

799 ms

Page Rendered

231 ms

About Website

Welcome to addtocalendar.com homepage info - get ready to check Add To Calendar best content for United States right away, or after learning these important things about addtocalendar.com

Free button Add To Calendar for event page and email campaign. Event RSVP. Fast and secure widget. Proven by DELL and Adidas. Support Google Calendar, Outlook, iCal...

Visit addtocalendar.com

Key Findings

We analyzed Addtocalendar.com page load time and found that the first response time was 29 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

addtocalendar.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value1.003

2/100

15%

TTI (Time to Interactive)

Value10.3 s

24/100

10%

Network Requests Diagram

addtocalendar.com

29 ms

bootstrap.css

13 ms

l01.css

13 ms

atc-base.css

19 ms

atc-style-blue.css

19 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 53% of them (27 requests) were addressed to the original Addtocalendar.com, 10% (5 requests) were made to Addevent.com and 10% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (685 ms) relates to the external source Ateblog.phpphp.dk.

Page Optimization Overview & Recommendations

Page size can be reduced by 359.5 kB (50%)

Content Size

722.8 kB

After Optimization

363.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Addtocalendar.com main page is 722.8 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. 70% of websites need less resources to load. Images take 361.0 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 214.3 kB

  • Original 243.8 kB
  • After minification 170.7 kB
  • After compression 29.4 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 73.0 kB, which is 30% 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 214.3 kB or 88% of the original size.

Image Optimization

-28%

Potential reduce by 99.8 kB

  • Original 361.0 kB
  • After minification 261.2 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. Obviously, Add To Calendar needs image optimization as it can save up to 99.8 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-46%

Potential reduce by 43.7 kB

  • Original 95.8 kB
  • After minification 95.8 kB
  • After compression 52.1 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 43.7 kB or 46% of the original size.

CSS Optimization

-7%

Potential reduce by 1.6 kB

  • Original 22.3 kB
  • After minification 22.3 kB
  • After compression 20.6 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. Addtocalendar.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (34%)

Requests Now

38

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Add To Calendar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

addtocalendar.com accessibility score

83

Accessibility Issues

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.

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

Image elements do not have [alt] attributes

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

addtocalendar.com best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

addtocalendar.com SEO score

77

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Addtocalendar.com 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 Addtocalendar.com 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

Open Graph description is not detected on the main page of Add To Calendar. 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: