Tools & Wizards About Us
ctht.info screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

ctht.info

ASHI,HLA,ABHI continuing education credits (CEC) histocompatibility,Immunogenetics,CTHT

Page Load Speed

5.3 sec in total

First Response

220 ms

Resources Loaded

4.9 sec

Page Rendered

157 ms

ctht.info screenshot

About Website

Click here to check amazing CTHT content. Otherwise, check out these important facts you probably never knew about ctht.info

ASHI,HLA,ABHI continuing education credits (CEC) histocompatibility,HLA,immunogenetics,transplantation.

Visit ctht.info

Key Findings

We analyzed Ctht.info page load time and found that the first response time was 220 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

ctht.info performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

ctht.info

220 ms

www.ctht.info

463 ms

aaa_styles.css

761 ms

logo5.gif

807 ms

image_dna.jpg

1342 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that all of those requests were addressed to Ctht.info and no external sources were called. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Ctht.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.7 kB (58%)

Content Size

37.6 kB

After Optimization

15.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Ctht.info main page is 37.6 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. 25% of websites need less resources to load. HTML takes 27.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 21.6 kB

  • Original 27.4 kB
  • After minification 24.4 kB
  • After compression 5.8 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. This page needs HTML code to be minified as it can gain 2.9 kB, which is 11% 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 21.6 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 9.9 kB
  • After minification 9.9 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. CTHT images are well optimized though.

CSS Optimization

-18%

Potential reduce by 42 B

  • Original 231 B
  • After minification 231 B
  • After compression 189 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. Ctht.info needs all CSS files to be minified and compressed as it can save up to 42 B or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (20%)

Requests Now

40

After Optimization

32

  • Images
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CTHT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

ctht.info

ctht.info

220 ms

www.ctht.info

www.ctht.info

463 ms

aaa_styles.css

aaa_styles.css

761 ms

logo5.gif

logo5.gif

807 ms

image_dna.jpg

image_dna.jpg

1342 ms

div1.gif

div1.gif

396 ms

btn_about_2018.gif

btn_about_2018.gif

1165 ms

btn_overview_2018.gif

btn_overview_2018.gif

746 ms

btn_2023.gif

btn_2023.gif

806 ms

btn_reg_2018.gif

btn_reg_2018.gif

1091 ms

btn_99_22.gif

btn_99_22.gif

1279 ms

btn_orderforms_99_22.gif

btn_orderforms_99_22.gif

1286 ms

btn_contact_2018.gif

btn_contact_2018.gif

1312 ms

btn_faq_2018.gif

btn_faq_2018.gif

1438 ms

btn_links_2018.gif

btn_links_2018.gif

1492 ms

btn_home_2018.gif

btn_home_2018.gif

1617 ms

trans.gif

trans.gif

1613 ms

ASHI%20.gif

ASHI%20.gif

1637 ms

ASHI%20name.gif

ASHI%20name.gif

1653 ms

EFI.gif

EFI.gif

1769 ms

EFI%20name.gif

EFI%20name.gif

1835 ms

UNOS.gif

UNOS.gif

1922 ms

UNOS%20name.gif

UNOS%20name.gif

2006 ms

APHIA.gif

APHIA.gif

1947 ms

Aseatta%20Aphia%201.gif

Aseatta%20Aphia%201.gif

1741 ms

NMDP.gif

NMDP.gif

2103 ms

bethematch.gif

bethematch.gif

2524 ms

bg14.gif

bg14.gif

1403 ms

btn_about_f2.gif

btn_about_f2.gif

325 ms

btn_reg_f2.gif

btn_reg_f2.gif

313 ms

btn_previous_f2.gif

btn_previous_f2.gif

338 ms

btn_orderform_f2.gif

btn_orderform_f2.gif

343 ms

btn_contact_f2.gif

btn_contact_f2.gif

337 ms

btn_links_f2.gif

btn_links_f2.gif

341 ms

btn_home_f2.gif

btn_home_f2.gif

665 ms

btn_overview_f2.gif

btn_overview_f2.gif

415 ms

btn_faq_f2.gif

btn_faq_f2.gif

680 ms

btn_2008_f2.gif

btn_2008_f2.gif

1665 ms

btn_orderforms_f2.gif

btn_orderforms_f2.gif

659 ms

btn_about_f2_2018.gif

btn_about_f2_2018.gif

665 ms

btn_overview_f2_2018.gif

btn_overview_f2_2018.gif

1144 ms

btn_reg_f2_2018.gif

btn_reg_f2_2018.gif

1413 ms

btn_99_17_f2.gif

btn_99_17_f2.gif

983 ms

btn_orderforms_f2_2018_.gif

btn_orderforms_f2_2018_.gif

983 ms

btn_contact_f2_2018.gif

btn_contact_f2_2018.gif

1011 ms

btn_links_f2_2018.gif

btn_links_f2_2018.gif

1307 ms

btn_home_f2_2018.gif

btn_home_f2_2018.gif

1330 ms

Accessibility Review

ctht.info accessibility score

53

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

ctht.info best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

ctht.info SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ctht.info can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ctht.info main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

ctht.info

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