Tools & Wizards About Us
courses.teresco.org screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

courses.teresco.org

Jim Teresco's Courses

Page Load Speed

1.2 sec in total

First Response

296 ms

Resources Loaded

593 ms

Page Rendered

324 ms

courses.teresco.org screenshot

About Website

Welcome to courses.teresco.org homepage info - get ready to check Courses Teresco best content for United Kingdom right away, or after learning these important things about courses.teresco.org

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Key Findings

We analyzed Courses.teresco.org page load time and found that the first response time was 296 ms and then it took 917 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

courses.teresco.org performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value1.8 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)

Value1.8 s

100/100

10%

Network Requests Diagram

courses.teresco.org

296 ms

jdtstyle.css

281 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that 50% of them (1 request) were addressed to the original Courses.teresco.org, 50% (1 request) were made to J.teresco.org. The less responsive or slowest element that took the longest time to load (296 ms) belongs to the original domain Courses.teresco.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 12.6 kB (82%)

Content Size

15.4 kB

After Optimization

2.8 kB

  • HTML
  • CSS

In fact, the total size of Courses.teresco.org main page is 15.4 kB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. HTML takes 11.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 9.2 kB

  • Original 11.3 kB
  • After minification 11.2 kB
  • After compression 2.1 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 9.2 kB or 81% of the original size.

CSS Optimization

-84%

Potential reduce by 3.4 kB

  • Original 4.1 kB
  • After minification 2.6 kB
  • After compression 654 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. Courses.teresco.org needs all CSS files to be minified and compressed as it can save up to 3.4 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

  • CSS

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

Network Requests Diagram

courses.teresco.org

courses.teresco.org

296 ms

jdtstyle.css

jdtstyle.css

281 ms

Accessibility Review

courses.teresco.org accessibility score

81

Accessibility Issues

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

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

courses.teresco.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

courses.teresco.org SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Courses.teresco.org 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 Courses.teresco.org 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

courses.teresco.org

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