Tools & Wizards About Us

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

eimacs.com

Online Computer Science Programs, Math for Gifted Children, AP Java Course, Logic - eIMACS

Page Load Speed

1.9 sec in total

First Response

246 ms

Resources Loaded

1.4 sec

Page Rendered

221 ms

About Website

Welcome to eimacs.com homepage info - get ready to check EIMACS best content for Hong Kong right away, or after learning these important things about eimacs.com

eIMACS is your best source for math and computer science online education programs, including math for gifted children and AP Java courses. Quality online mathematics and computer science classes for ...

Visit eimacs.com

Key Findings

We analyzed Eimacs.com page load time and found that the first response time was 246 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

eimacs.com performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value5.5 s

71/100

10%

Network Requests Diagram

eimacs.com

246 ms

www.eimacs.com

198 ms

jquery-1.11.2.min.js

120 ms

jquery-ui.min.js

236 ms

jquery-ui.min.css

144 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 88% of them (46 requests) were addressed to the original Eimacs.com, 4% (2 requests) were made to Ssl.google-analytics.com and 4% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (346 ms) belongs to the original domain Eimacs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 383.5 kB (42%)

Content Size

903.4 kB

After Optimization

519.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Eimacs.com main page is 903.4 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. 30% of websites need less resources to load. Javascripts take 435.0 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 11.2 kB

  • Original 16.3 kB
  • After minification 15.3 kB
  • After compression 5.0 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 11.2 kB or 69% of the original size.

Image Optimization

-9%

Potential reduce by 34.8 kB

  • Original 401.2 kB
  • After minification 366.4 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. EIMACS images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 298.6 kB

  • Original 435.0 kB
  • After minification 414.2 kB
  • After compression 136.3 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 298.6 kB or 69% of the original size.

CSS Optimization

-76%

Potential reduce by 38.8 kB

  • Original 50.9 kB
  • After minification 45.1 kB
  • After compression 12.1 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. Eimacs.com needs all CSS files to be minified and compressed as it can save up to 38.8 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (54%)

Requests Now

50

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EIMACS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

eimacs.com accessibility score

56

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

eimacs.com best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

eimacs.com SEO score

69

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

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

Social Sharing Optimization

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