Tools & Wizards About Us
genetherapy.isth.org screenshot

Report Summary

  • 3

    Performance

    Renders faster than
    19% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

genetherapy.isth.org

Gene Therapy | Gene Therapy for Hemophilia | Gene Therapy Research

Page Load Speed

8.9 sec in total

First Response

70 ms

Resources Loaded

7.8 sec

Page Rendered

983 ms

genetherapy.isth.org screenshot

About Website

Visit genetherapy.isth.org now to see the best up-to-date Gene Therapy Isth content for United States and also check out these interesting facts you probably never knew about genetherapy.isth.org

ISTH & the global hemophilia gene therapy experts have developed educational resources to address needs providing you a front seat to learn about hemophilia.

Visit genetherapy.isth.org

Key Findings

We analyzed Genetherapy.isth.org page load time and found that the first response time was 70 ms and then it took 8.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

genetherapy.isth.org performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value2,070 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.967

2/100

15%

TTI (Time to Interactive)

Value24.9 s

0/100

10%

Network Requests Diagram

genetherapy.isth.org

70 ms

genetherapy.isth.org

982 ms

font-awesome-5.min.css

81 ms

font-awesome-v4-shims.css

139 ms

animate.min.css

122 ms

Our browser made a total of 112 requests to load all elements on the main page. We found that 86% of them (96 requests) were addressed to the original Genetherapy.isth.org, 4% (5 requests) were made to Secure.trust-provider.com and 3% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.9 sec) relates to the external source Secure.trust-provider.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 203.1 kB (5%)

Content Size

3.9 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Genetherapy.isth.org main page is 3.9 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. 85% 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 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 105.4 kB

  • Original 129.5 kB
  • After minification 127.7 kB
  • After compression 24.2 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 105.4 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 56.9 kB

  • Original 3.5 MB
  • After minification 3.4 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. Gene Therapy Isth images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 25.1 kB

  • Original 210.7 kB
  • After minification 207.5 kB
  • After compression 185.5 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 25.1 kB or 12% of the original size.

CSS Optimization

-11%

Potential reduce by 15.7 kB

  • Original 142.7 kB
  • After minification 141.2 kB
  • After compression 127.0 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. Genetherapy.isth.org needs all CSS files to be minified and compressed as it can save up to 15.7 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 66 (65%)

Requests Now

102

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gene Therapy Isth. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

genetherapy.isth.org

genetherapy.isth.org

70 ms

genetherapy.isth.org

genetherapy.isth.org

982 ms

font-awesome-5.min.css

font-awesome-5.min.css

81 ms

font-awesome-v4-shims.css

font-awesome-v4-shims.css

139 ms

animate.min.css

animate.min.css

122 ms

sppagebuilder.css

sppagebuilder.css

157 ms

jquery.bxslider.min.css

jquery.bxslider.min.css

136 ms

owl.carousel.css

owl.carousel.css

118 ms

owl.theme.css

owl.theme.css

134 ms

magnific-popup.css

magnific-popup.css

152 ms

content.css

content.css

152 ms

bootstrap.min.css

bootstrap.min.css

221 ms

system-j3.min.css

system-j3.min.css

219 ms

font-awesome.min.css

font-awesome.min.css

192 ms

fa-v4-shims.css

fa-v4-shims.css

275 ms

template.css

template.css

287 ms

default.css

default.css

274 ms

style.css

style.css

278 ms

module.min.css

module.min.css

275 ms

magnific-popup.css

magnific-popup.css

278 ms

jquery.min.js

jquery.min.js

298 ms

jquery-noconflict.js

jquery-noconflict.js

280 ms

jquery-migrate.min.js

jquery-migrate.min.js

280 ms

jquery.parallax.js

jquery.parallax.js

281 ms

sppagebuilder.js

sppagebuilder.js

281 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

312 ms

lazyestload.js

lazyestload.js

315 ms

lazyestload.js

lazyestload.js

327 ms

jquery.nanoscroller.min.js

jquery.nanoscroller.min.js

328 ms

owl.carousel.min.js

owl.carousel.min.js

329 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

335 ms

core.js

core.js

333 ms

popper.min.js

popper.min.js

338 ms

bootstrap.min.js

bootstrap.min.js

342 ms

main.js

main.js

352 ms

script.js

script.js

354 ms

module.min.js

module.min.js

353 ms

css

css

66 ms

js

js

98 ms

sexylightbox.css

sexylightbox.css

323 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

316 ms

jquery.easing.js

jquery.easing.js

278 ms

jquery.sexylightbox.min.js

jquery.sexylightbox.min.js

279 ms

ext-core.js

ext-core.js

318 ms

menu.min.js

menu.min.js

1411 ms

gtm.js

gtm.js

51 ms

trustlogo.js

trustlogo.js

98 ms

js

js

59 ms

analytics.js

analytics.js

51 ms

bg-4500x128.png

bg-4500x128.png

345 ms

05web_banner_1110x128.png

05web_banner_1110x128.png

341 ms

logo.svg

logo.svg

331 ms

isth-intitiative-logo-text-only_262x150-transparent.gif

isth-intitiative-logo-text-only_262x150-transparent.gif

343 ms

en.png

en.png

332 ms

eahad-cc-2022.jpg

eahad-cc-2022.jpg

348 ms

explore-rotator.jpg

explore-rotator.jpg

351 ms

ttt-rotator.jpg

ttt-rotator.jpg

336 ms

main-banner750x450.png

main-banner750x450.png

339 ms

leeback.png

leeback.png

337 ms

mod11-post_thumbnail_small.jpg

mod11-post_thumbnail_small.jpg

341 ms

mod9-post_thumbnail_small.jpg

mod9-post_thumbnail_small.jpg

346 ms

podcast02_small.jpg

podcast02_small.jpg

345 ms

01.9082-pipe-still.jpg

01.9082-pipe-still.jpg

360 ms

01.9082-batty-still.jpg

01.9082-batty-still.jpg

346 ms

9082-annette-still-504w.png

9082-annette-still-504w.png

360 ms

01.9082-leebeek-still.jpg

01.9082-leebeek-still.jpg

362 ms

01.9082-chowdary-still.jpg

01.9082-chowdary-still.jpg

362 ms

isth-intitiative-logo-text-only_262x150-transparent.gif

isth-intitiative-logo-text-only_262x150-transparent.gif

342 ms

collect

collect

516 ms

switcher.png

switcher.png

348 ms

arrow_down.png

arrow_down.png

347 ms

9153-ISTH-Mahlangu-Still_medium.jpg

9153-ISTH-Mahlangu-Still_medium.jpg

357 ms

9153-ISTH-Sternberg-Still_medium.jpg

9153-ISTH-Sternberg-Still_medium.jpg

359 ms

9153-ISTH-Young-Still_medium.jpg

9153-ISTH-Young-Still_medium.jpg

356 ms

9153-ISTH-Pipe-350x197_medium.jpg

9153-ISTH-Pipe-350x197_medium.jpg

882 ms

fa-solid-900.woff

fa-solid-900.woff

873 ms

fa-solid-900.woff

fa-solid-900.woff

873 ms

fa-regular-400.woff

fa-regular-400.woff

867 ms

fa-regular-400.woff

fa-regular-400.woff

861 ms

fa-brands-400.woff

fa-brands-400.woff

871 ms

fa-brands-400.woff

fa-brands-400.woff

881 ms

events.js

events.js

352 ms

seal_bg.gif

seal_bg.gif

316 ms

trustlogo

trustlogo

2942 ms

warranty_level.gif

warranty_level.gif

560 ms

positivessl_trust_seal_sm_124x32.png

positivessl_trust_seal_sm_124x32.png

563 ms

bgSexy.png

bgSexy.png

253 ms

buttons.png

buttons.png

249 ms

api.js

api.js

475 ms

loading.gif

loading.gif

313 ms

save.png

save.png

311 ms

saq_pxl

saq_pxl

277 ms

pop-up

pop-up

211 ms

system.css

system.css

47 ms

position.css

position.css

38 ms

layout.css

layout.css

40 ms

general.css

general.css

35 ms

personal.css

personal.css

37 ms

mootools-core.js

mootools-core.js

63 ms

mootools-more.js

mootools-more.js

156 ms

bootstrap.min.js

bootstrap.min.js

59 ms

md_stylechanger.js

md_stylechanger.js

55 ms

hide.js

hide.js

53 ms

respond.src.js

respond.src.js

55 ms

template.js

template.js

79 ms

system.css

system.css

43 ms

bgSexy.png

bgSexy.png

34 ms

buttons.png

buttons.png

34 ms

print.css

print.css

34 ms

spacer.gif

spacer.gif

111 ms

logo.asp

logo.asp

2405 ms

TLS-SSL-Certificates.png

TLS-SSL-Certificates.png

113 ms

Accessibility Review

genetherapy.isth.org accessibility score

64

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-hidden="true"] elements contain focusable descendents

High

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

High

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

High

[aria-*] attributes do not have valid values

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

genetherapy.isth.org best practices score

67

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

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

SEO Factors

genetherapy.isth.org SEO score

79

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

High

Image elements do not have [alt] attributes

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

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 Genetherapy.isth.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 Genetherapy.isth.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

genetherapy.isth.org

Open Graph description is not detected on the main page of Gene Therapy Isth. 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: