Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

hemaschool.com

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Page Load Speed

142.6 sec in total

First Response

381 ms

Resources Loaded

138.4 sec

Page Rendered

3.8 sec

About Website

Click here to check amazing Hemaschool content. Otherwise, check out these important facts you probably never knew about hemaschool.com

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Key Findings

We analyzed Hemaschool.com page load time and found that the first response time was 381 ms and then it took 142.3 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 9 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

hemaschool.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value22.8 s

0/100

25%

SI (Speed Index)

Value27.3 s

0/100

10%

TBT (Total Blocking Time)

Value1,910 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value23.0 s

1/100

10%

Network Requests Diagram

hemaschool.com

381 ms

hemaschool.com

599 ms

www.hemaschool.com

735 ms

www.hemaschool.com

14812 ms

style.css

1322 ms

Our browser made a total of 661 requests to load all elements on the main page. We found that 2% of them (16 requests) were addressed to the original Hemaschool.com, 64% (423 requests) were made to Img.hemaschool.com and 26% (170 requests) were made to Img.qsbjkj.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Img.hemaschool.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 975.0 kB (5%)

Content Size

21.5 MB

After Optimization

20.5 MB

In fact, the total size of Hemaschool.com main page is 21.5 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. Only a small number of websites need less resources to load. Images take 20.4 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 925.8 kB

  • Original 1.0 MB
  • After minification 684.6 kB
  • After compression 75.2 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. This page needs HTML code to be minified as it can gain 316.4 kB, which is 32% 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 925.8 kB or 92% of the original size.

Image Optimization

-0%

Potential reduce by 48.0 kB

  • Original 20.4 MB
  • After minification 20.4 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. Hemaschool images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 1.2 kB

  • Original 51.9 kB
  • After minification 51.8 kB
  • After compression 50.7 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 28 (4%)

Requests Now

629

After Optimization

601

The browser has sent 629 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hemaschool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

hemaschool.com accessibility score

69

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

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

hemaschool.com 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

hemaschool.com SEO score

76

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

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

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

    ID

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hemaschool.com can be misinterpreted by Google and other search engines. Our service has detected that 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 Hemaschool.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

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