Tools & Wizards About Us
gemology.co.il screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

gemology.co.il

Center Of Gemological Studies | Gemological Courses

Page Load Speed

11.5 sec in total

First Response

486 ms

Resources Loaded

10.9 sec

Page Rendered

208 ms

gemology.co.il screenshot

About Website

Click here to check amazing Gemology content. Otherwise, check out these important facts you probably never knew about gemology.co.il

The Center of Gemological Studies was established by Eli Dori in 1979 and offers group and individual gemological courses in Hebrew and in English. This is the number 1 gemology course that will teach...

Visit gemology.co.il

Key Findings

We analyzed Gemology.co.il page load time and found that the first response time was 486 ms and then it took 11.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

gemology.co.il performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value16.0 s

0/100

25%

SI (Speed Index)

Value26.1 s

0/100

10%

TBT (Total Blocking Time)

Value8,660 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.326

35/100

15%

TTI (Time to Interactive)

Value29.4 s

0/100

10%

Network Requests Diagram

gemology.co.il

486 ms

www.gemology.co.il

482 ms

3068 ms

style.css

163 ms

settings.css

329 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 62% of them (78 requests) were addressed to the original Gemology.co.il, 14% (18 requests) were made to Fonts.gstatic.com and 6% (7 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Gemology.co.il.

Page Optimization Overview & Recommendations

Page size can be reduced by 904.3 kB (24%)

Content Size

3.7 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gemology.co.il main page is 3.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 381.7 kB

  • Original 510.4 kB
  • After minification 504.8 kB
  • After compression 128.8 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 381.7 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 70.1 kB

  • Original 1.7 MB
  • After minification 1.6 MB

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. Gemology images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 35.6 kB

  • Original 841.7 kB
  • After minification 841.5 kB
  • After compression 806.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-65%

Potential reduce by 417.0 kB

  • Original 642.2 kB
  • After minification 641.8 kB
  • After compression 225.2 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. Gemology.co.il needs all CSS files to be minified and compressed as it can save up to 417.0 kB or 65% of the original size.

Requests Breakdown

Number of requests can be reduced by 66 (69%)

Requests Now

95

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gemology. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

gemology.co.il

gemology.co.il

486 ms

www.gemology.co.il

www.gemology.co.il

482 ms

3068 ms

style.css

style.css

163 ms

settings.css

settings.css

329 ms

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whatsshare.css

454 ms

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style.css

474 ms

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502 ms

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505 ms

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517 ms

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528 ms

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922 ms

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638 ms

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668 ms

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666 ms

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688 ms

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881 ms

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805 ms

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838 ms

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851 ms

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999 ms

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1019 ms

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45 ms

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1040 ms

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1086 ms

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1128 ms

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1178 ms

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1358 ms

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1212 ms

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1229 ms

css

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61 ms

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42 ms

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36 ms

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1240 ms

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40 ms

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856 ms

header.png

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569 ms

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221 ms

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Accessibility Review

gemology.co.il accessibility score

66

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

[aria-*] attributes do not match their roles

High

[role]s are not contained by their required parent element

High

[aria-*] attributes are not valid or misspelled

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

gemology.co.il best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

gemology.co.il SEO score

87

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 Gemology.co.il 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 Gemology.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

gemology.co.il

Open Graph data is detected on the main page of Gemology. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: