Access wowcourse.com. Webmaster Certification - Providers of Webmaster training, Webmaster Certification, Webmaster Course...

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value1,190 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.153

75/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

wowcourse.com

93 ms

dropdown.css

22 ms

fonts.css

45 ms

forms.css

42 ms

main.css

45 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 67% of them (50 requests) were addressed to the original Wowcourse.com, 19% (14 requests) were made to Webdesigntrainingschool.com and 7% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (418 ms) belongs to the original domain Wowcourse.com.

Content Size

1.2 MB

After Optimization

1.1 MB

In fact, the total size of Wowcourse.com main page is 1.2 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. 80% 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 955.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 27.0 kB

Original 33.1 kB
After minification 31.5 kB
After compression 6.1 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 27.0 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 51.1 kB

Original 955.7 kB
After minification 904.6 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. Wowcourse images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.5 kB

Original 159.2 kB
After minification 159.2 kB
After compression 156.7 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.

CSS Optimization

-3%

Potential reduce by 2.0 kB

Original 63.2 kB
After minification 63.2 kB
After compression 61.2 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. Wowcourse.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wowcourse. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

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

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

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wowcourse.com 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 Wowcourse.com main page’s claimed encoding is . 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

wowcourse.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Webmaster Certification - Providers of Webmaster training, Webmaster Certification, Webmaster Courses, HTML courses. Learn everything needed to become...

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

wowcourse.com

dropdown.css

fonts.css

forms.css

main.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

wowcourse.com

dropdown.css

fonts.css

forms.css

main.css

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