Tools & Wizards About Us
teflinstitute.com screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

teflinstitute.com

TEFL Institute | Global Leaders in TEFL/TESOL Certification

Page Load Speed

5.4 sec in total

First Response

32 ms

Resources Loaded

4.4 sec

Page Rendered

962 ms

teflinstitute.com screenshot

About Website

Welcome to teflinstitute.com homepage info - get ready to check TEFL Institute best content right away, or after learning these important things about teflinstitute.com

The TEFL Institute provides high-quality courses and TEFL certification. Select from programs offered by a trusted leader in EFL education.

Visit teflinstitute.com

Key Findings

We analyzed Teflinstitute.com page load time and found that the first response time was 32 ms and then it took 5.3 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

teflinstitute.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value1,280 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

teflinstitute.com

32 ms

teflinstitute.com

476 ms

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48 ms

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46 ms

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40 ms

Our browser made a total of 211 requests to load all elements on the main page. We found that 55% of them (117 requests) were addressed to the original Teflinstitute.com, 13% (27 requests) were made to I0.wp.com and 9% (19 requests) were made to Flagcdn.com. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source I0.wp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 325.2 kB (7%)

Content Size

4.9 MB

After Optimization

4.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Teflinstitute.com main page is 4.9 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 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 312.0 kB

  • Original 360.3 kB
  • After minification 273.9 kB
  • After compression 48.2 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 86.4 kB, which is 24% 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 312.0 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 377 B

  • Original 4.1 MB
  • After minification 4.1 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. TEFL Institute images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 10.5 kB

  • Original 303.0 kB
  • After minification 303.0 kB
  • After compression 292.5 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

-2%

Potential reduce by 2.3 kB

  • Original 155.0 kB
  • After minification 154.8 kB
  • After compression 152.6 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. Teflinstitute.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 138 (73%)

Requests Now

189

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 189 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TEFL Institute. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 65 to 1 for JavaScripts and from 46 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

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teflinstitute.com

32 ms

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teflinstitute.com

476 ms

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Accessibility Review

teflinstitute.com accessibility score

80

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Heading elements are not in a sequentially-descending order

Best Practices

teflinstitute.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

teflinstitute.com SEO score

75

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

teflinstitute.com

Open Graph data is detected on the main page of TEFL Institute. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: