Tools & Wizards About Us

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

gia.edu

Gemological Institute Of America | All About Gemstones - GIA

Page Load Speed

40.8 sec in total

First Response

34 ms

Resources Loaded

40.2 sec

Page Rendered

612 ms

About Website

Welcome to gia.edu homepage info - get ready to check GIA best content for India right away, or after learning these important things about gia.edu

Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.

Visit gia.edu

Key Findings

We analyzed Gia.edu page load time and found that the first response time was 34 ms and then it took 40.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 32 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

gia.edu performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value12.6 s

0/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value1,630 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.855

4/100

15%

TTI (Time to Interactive)

Value19.1 s

3/100

10%

Network Requests Diagram

www.gia.edu

34 ms

heg5qxh.css

28 ms

_app.css

20091 ms

mpt7xca.js

30 ms

_vendor.js

47 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 47% of them (39 requests) were addressed to the original Gia.edu, 17% (14 requests) were made to Use.typekit.net and 11% (9 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Gia.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 575.1 kB (55%)

Content Size

1.1 MB

After Optimization

475.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gia.edu main page is 1.1 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. 60% of websites need less resources to load. Javascripts take 654.2 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 161.8 kB

  • Original 176.1 kB
  • After minification 71.4 kB
  • After compression 14.3 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 104.7 kB, which is 59% 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 161.8 kB or 92% of the original size.

Image Optimization

-5%

Potential reduce by 11.4 kB

  • Original 220.8 kB
  • After minification 209.4 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. GIA images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 401.9 kB

  • Original 654.2 kB
  • After minification 653.9 kB
  • After compression 252.3 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 401.9 kB or 61% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 5 B

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.

Requests Breakdown

Number of requests can be reduced by 25 (68%)

Requests Now

37

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of GIA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

gia.edu accessibility score

75

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

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

Best Practices

gia.edu best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

gia.edu SEO score

81

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

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 Gia.edu 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 Gia.edu 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 GIA. 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: