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isogg.org screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

isogg.org

Welcome to ISOGG... | International Society of Genetic Genealogy

Page Load Speed

1.4 sec in total

First Response

333 ms

Resources Loaded

887 ms

Page Rendered

147 ms

isogg.org screenshot

About Website

Visit isogg.org now to see the best up-to-date ISOGG content for United States and also check out these interesting facts you probably never knew about isogg.org

Need help with genetic genealogy? Established in 2005, the International Society of Genetic Genealogy is the first society founded to promote the use of DNA testing in genealogy.

Visit isogg.org

Key Findings

We analyzed Isogg.org page load time and found that the first response time was 333 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

isogg.org performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value4.2 s

85/100

10%

Network Requests Diagram

isogg.org

333 ms

bootstrap.min.css

14 ms

font-awesome.css

11 ms

css

34 ms

css

47 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 33% of them (10 requests) were addressed to the original Isogg.org, 13% (4 requests) were made to Netdna.bootstrapcdn.com and 10% (3 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (333 ms) belongs to the original domain Isogg.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 863.0 kB (63%)

Content Size

1.4 MB

After Optimization

510.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Isogg.org main page is 1.4 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. 55% of websites need less resources to load. Javascripts take 926.7 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 96.8 kB

  • Original 128.3 kB
  • After minification 127.3 kB
  • After compression 31.4 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 96.8 kB or 75% of the original size.

Image Optimization

-6%

Potential reduce by 10.3 kB

  • Original 180.9 kB
  • After minification 170.5 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. ISOGG images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 642.9 kB

  • Original 926.7 kB
  • After minification 926.0 kB
  • After compression 283.8 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 642.9 kB or 69% of the original size.

CSS Optimization

-82%

Potential reduce by 112.8 kB

  • Original 137.2 kB
  • After minification 133.1 kB
  • After compression 24.4 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. Isogg.org needs all CSS files to be minified and compressed as it can save up to 112.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (63%)

Requests Now

24

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ISOGG. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

isogg.org

isogg.org

333 ms

bootstrap.min.css

bootstrap.min.css

14 ms

font-awesome.css

font-awesome.css

11 ms

css

css

34 ms

css

css

47 ms

style.css

style.css

71 ms

rainbow.css

rainbow.css

143 ms

toc.css

toc.css

143 ms

jquery.min.js

jquery.min.js

38 ms

bootstrap.min.js

bootstrap.min.js

15 ms

addthis_widget.js

addthis_widget.js

15 ms

script.js

script.js

140 ms

jquerywidget.js

jquerywidget.js

332 ms

tocify.js

tocify.js

222 ms

tocbuild.js

tocbuild.js

221 ms

analytics.js

analytics.js

80 ms

small_ISOGG_TM.png

small_ISOGG_TM.png

194 ms

tm_ISOGG_large.png

tm_ISOGG_large.png

328 ms

collect

collect

35 ms

RFda8w1V0eDZheqfcyQ4EJS3E-kSBmtLoNJPDtbj2Pk.ttf

RFda8w1V0eDZheqfcyQ4EJS3E-kSBmtLoNJPDtbj2Pk.ttf

25 ms

1EqTbJWOZQBfhZ0e3RL9uvesZW2xOQ-xsNqO47m55DA.ttf

1EqTbJWOZQBfhZ0e3RL9uvesZW2xOQ-xsNqO47m55DA.ttf

35 ms

MZ1aViPqjfvZwVD_tzjjkwLUuEpTyoUstqEm5AMlJo4.ttf

MZ1aViPqjfvZwVD_tzjjkwLUuEpTyoUstqEm5AMlJo4.ttf

49 ms

300lo.json

300lo.json

35 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

3 ms

sh.7c7179124ea24ac6ba46caac.html

sh.7c7179124ea24ac6ba46caac.html

25 ms

datapair

datapair

52 ms

5 ms

layers.3643cb2e25fb91c29386.js

layers.3643cb2e25fb91c29386.js

7 ms

pixel

pixel

21 ms

pixel

pixel

18 ms

Accessibility Review

isogg.org accessibility score

83

Accessibility Issues

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.

Best Practices

isogg.org best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

isogg.org SEO score

75

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 doesn't use 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 Isogg.org 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 Isogg.org 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

isogg.org

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