Tools & Wizards About Us
agslab.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

agslab.com

American Gem Society Laboratories Resource Page

Page Load Speed

2.1 sec in total

First Response

148 ms

Resources Loaded

1.7 sec

Page Rendered

213 ms

agslab.com screenshot

About Website

Visit agslab.com now to see the best up-to-date Agslab content for Hong Kong and also check out these interesting facts you probably never knew about agslab.com

Learn how AGS and GIA will advance our current collaboration in pursuit of innovation, serving today’s jewelry professionals and consumer protection missions.

Visit agslab.com

Key Findings

We analyzed Agslab.com page load time and found that the first response time was 148 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

agslab.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value1,400 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.212

59/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

agslab.com

148 ms

agslabs

261 ms

master.css

158 ms

modernizr.min.js

104 ms

mootools-core-1.4.1-full-compat-yc.js

201 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Agslab.com, 59% (34 requests) were made to Americangemsociety.org and 5% (3 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (788 ms) relates to the external source Americangemsociety.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 346.0 kB (38%)

Content Size

912.3 kB

After Optimization

566.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Agslab.com main page is 912.3 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. Images take 529.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 31.1 kB

  • Original 40.7 kB
  • After minification 32.2 kB
  • After compression 9.5 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 8.5 kB, which is 21% 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 31.1 kB or 77% of the original size.

Image Optimization

-20%

Potential reduce by 103.7 kB

  • Original 529.3 kB
  • After minification 425.6 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, Agslab needs image optimization as it can save up to 103.7 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-56%

Potential reduce by 145.4 kB

  • Original 260.3 kB
  • After minification 253.3 kB
  • After compression 114.9 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 145.4 kB or 56% of the original size.

CSS Optimization

-80%

Potential reduce by 65.8 kB

  • Original 82.1 kB
  • After minification 78.6 kB
  • After compression 16.3 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. Agslab.com needs all CSS files to be minified and compressed as it can save up to 65.8 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (41%)

Requests Now

56

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Agslab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

agslab.com

agslab.com

148 ms

agslabs

agslabs

261 ms

master.css

master.css

158 ms

modernizr.min.js

modernizr.min.js

104 ms

mootools-core-1.4.1-full-compat-yc.js

mootools-core-1.4.1-full-compat-yc.js

201 ms

mootools-more-1.4.0.1.js

mootools-more-1.4.0.1.js

199 ms

master.js

master.js

107 ms

validate.js

validate.js

100 ms

event-tracker.js

event-tracker.js

239 ms

mediaboxAdv99g.js

mediaboxAdv99g.js

241 ms

mediaboxAdvWhite.css

mediaboxAdvWhite.css

241 ms

labs.css

labs.css

271 ms

buttons.js

buttons.js

29 ms

urchin.js

urchin.js

23 ms

logo-labs2.png

logo-labs2.png

222 ms

275401455217427-xl.png

275401455217427-xl.png

319 ms

69111454516512-xl.png

69111454516512-xl.png

281 ms

82101454517643-xl.png

82101454517643-xl.png

317 ms

english.gif

english.gif

233 ms

chinese-simple.jpg

chinese-simple.jpg

184 ms

french.jpg

french.jpg

315 ms

hindi.jpg

hindi.jpg

403 ms

hebrew.jpg

hebrew.jpg

404 ms

japanese.jpg

japanese.jpg

377 ms

korean.jpg

korean.jpg

471 ms

spanish.jpg

spanish.jpg

472 ms

fb.png

fb.png

412 ms

yt.png

yt.png

469 ms

tw.png

tw.png

489 ms

pin.png

pin.png

491 ms

blg.png

blg.png

505 ms

fbevents.js

fbevents.js

170 ms

all.js

all.js

232 ms

bg-body.jpg

bg-body.jpg

542 ms

166021456343176.png

166021456343176.png

788 ms

169001456343811.png

169001456343811.png

550 ms

143201456341149.png

143201456341149.png

632 ms

141461456341097.png

141461456341097.png

659 ms

__utm.gif

__utm.gif

129 ms

ga.js

ga.js

135 ms

getAllAppDefault.esi

getAllAppDefault.esi

89 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

632 ms

7624.js

7624.js

92 ms

120 ms

__utm.gif

__utm.gif

33 ms

getSegment.php

getSegment.php

360 ms

82 ms

xd_arbiter.php

xd_arbiter.php

125 ms

t.dhj

t.dhj

43 ms

t.dhj

t.dhj

19 ms

hbpix

hbpix

127 ms

cm

cm

126 ms

s-3271.xgi

s-3271.xgi

7 ms

17 ms

36 ms

xrefid.xgi

xrefid.xgi

7 ms

img;m=11022203137504;cache=

img;m=11022203137504;cache=

99 ms

ping

ping

60 ms

Accessibility Review

agslab.com accessibility score

94

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

agslab.com best practices score

83

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

Page has valid source maps

SEO Factors

agslab.com SEO score

91

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 Agslab.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 Agslab.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

agslab.com

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