Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

Page Load Speed

425 ms in total

First Response

103 ms

Resources Loaded

197 ms

Page Rendered

125 ms

class.d47.org screenshot

About Website

Click here to check amazing Class D 47 content for United States. Otherwise, check out these important facts you probably never knew about class.d47.org

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Key Findings

We analyzed Class.d47.org page load time and found that the first response time was 103 ms and then it took 322 ms 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.

Performance Metrics

class.d47.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.6 s

100/100

25%

SI (Speed Index)

Value0.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

class.d47.org

103 ms

d47-logo-01.gif

86 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Class.d47.org and no external sources were called. The less responsive or slowest element that took the longest time to load (103 ms) belongs to the original domain Class.d47.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 475 B (60%)

Content Size

786 B

After Optimization

311 B

In fact, the total size of Class.d47.org main page is 786 B. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 786 B which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 475 B

  • Original 786 B
  • After minification 629 B
  • After compression 311 B

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 157 B, which is 20% 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 475 B or 60% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Class D 47. According to our analytics all requests are already optimized.

Accessibility Review

class.d47.org accessibility score

68

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

Document doesn't have a <title> element

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

Best Practices

class.d47.org 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

SEO Factors

class.d47.org SEO score

50

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

Document doesn't have a <title> element

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Class.d47.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Class.d47.org main page’s claimed encoding is windows-1252. 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

Open Graph description is not detected on the main page of Class D 47. 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: