Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 67

    SEO

    Google-friendlier than
    35% of websites

iscool.co.il

איי-סקול - אתר אינטרנט מושלם לבית ספר

Page Load Speed

2.7 sec in total

First Response

500 ms

Resources Loaded

2 sec

Page Rendered

133 ms

iscool.co.il screenshot

About Website

Visit iscool.co.il now to see the best up-to-date Iscool content for Israel and also check out these interesting facts you probably never knew about iscool.co.il

אתר אינטרנט מושלם לבית ספר

Visit iscool.co.il

Key Findings

We analyzed Iscool.co.il page load time and found that the first response time was 500 ms and then it took 2.2 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

iscool.co.il performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.9 s

88/100

10%

Network Requests Diagram

iscool.co.il

500 ms

www.iscool.co.il

774 ms

default.css

520 ms

skin.css

391 ms

container.css

274 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 90% of them (19 requests) were addressed to the original Iscool.co.il, 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (774 ms) belongs to the original domain Iscool.co.il.

Page Optimization Overview & Recommendations

Page size can be reduced by 173.4 kB (64%)

Content Size

273.0 kB

After Optimization

99.6 kB

In fact, the total size of Iscool.co.il main page is 273.0 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. 15% of websites need less resources to load. Javascripts take 195.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 13.5 kB

  • Original 17.8 kB
  • After minification 15.9 kB
  • After compression 4.3 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 1.9 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 13.5 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 32.4 kB
  • After minification 32.4 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. Iscool images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 136.2 kB

  • Original 195.7 kB
  • After minification 186.1 kB
  • After compression 59.5 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 136.2 kB or 70% of the original size.

CSS Optimization

-87%

Potential reduce by 23.7 kB

  • Original 27.1 kB
  • After minification 16.4 kB
  • After compression 3.4 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. Iscool.co.il needs all CSS files to be minified and compressed as it can save up to 23.7 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (37%)

Requests Now

19

After Optimization

12

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iscool. 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.

Accessibility Review

iscool.co.il accessibility score

68

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

Best Practices

iscool.co.il best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

iscool.co.il SEO score

67

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

    IW

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iscool.co.il can be misinterpreted by Google and other search engines. Our service has detected that Hebrew 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 Iscool.co.il 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 Iscool. 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: