Tools & Wizards About Us
esl-lab.com screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

esl-lab.com

Randall's ESL Cyber Listening Lab - English Listening

Page Load Speed

7.8 sec in total

First Response

2.9 sec

Resources Loaded

4.7 sec

Page Rendered

230 ms

esl-lab.com screenshot

About Website

Welcome to esl-lab.com homepage info - get ready to check ESL Lab best content for Syrian Arab Republic right away, or after learning these important things about esl-lab.com

Randall's ESL Cyber Listening Lab helps ESL and EFL learners improve their English listening comprehension skills through conversations.

Visit esl-lab.com

Key Findings

We analyzed Esl-lab.com page load time and found that the first response time was 2.9 sec and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

esl-lab.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value29.1 s

0/100

10%

TBT (Total Blocking Time)

Value38,790 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.103

89/100

15%

TTI (Time to Interactive)

Value54.2 s

0/100

10%

Network Requests Diagram

esl-lab.com

2905 ms

DM_redirect.js

28 ms

styles.css

653 ms

show_ads.js

5 ms

addthis_widget.js

11 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 19% of them (11 requests) were addressed to the original Esl-lab.com, 14% (8 requests) were made to S7.addthis.com and 9% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Esl-lab.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 337.8 kB (59%)

Content Size

571.5 kB

After Optimization

233.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Esl-lab.com main page is 571.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Javascripts take 410.2 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 91.2 kB

  • Original 129.5 kB
  • After minification 128.8 kB
  • After compression 38.4 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 91.2 kB or 70% of the original size.

Image Optimization

-13%

Potential reduce by 3.9 kB

  • Original 31.0 kB
  • After minification 27.1 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. Obviously, ESL Lab needs image optimization as it can save up to 3.9 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 242.2 kB

  • Original 410.2 kB
  • After minification 410.0 kB
  • After compression 168.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 242.2 kB or 59% of the original size.

CSS Optimization

-58%

Potential reduce by 450 B

  • Original 774 B
  • After minification 695 B
  • After compression 324 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. Esl-lab.com needs all CSS files to be minified and compressed as it can save up to 450 B or 58% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (66%)

Requests Now

53

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ESL Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

esl-lab.com

esl-lab.com

2905 ms

DM_redirect.js

DM_redirect.js

28 ms

styles.css

styles.css

653 ms

show_ads.js

show_ads.js

5 ms

addthis_widget.js

addthis_widget.js

11 ms

addthis-index-new.js

addthis-index-new.js

722 ms

search.js

search.js

735 ms

brand

brand

14 ms

brand

brand

48 ms

search-quiz-bottom.js

search-quiz-bottom.js

36 ms

brand

brand

18 ms

copyright.js

copyright.js

71 ms

brand

brand

13 ms

ga.js

ga.js

17 ms

border-texture-back-a.jpg

border-texture-back-a.jpg

70 ms

newapartments-randall-mini.jpg

newapartments-randall-mini.jpg

70 ms

pinkar.gif

pinkar.gif

1108 ms

logo2007.jpg

logo2007.jpg

1171 ms

new.jpg

new.jpg

111 ms

ca-pub-1868783057528133.js

ca-pub-1868783057528133.js

107 ms

zrt_lookup.html

zrt_lookup.html

106 ms

show_ads_impl.js

show_ads_impl.js

69 ms

__utm.gif

__utm.gif

47 ms

ads

ads

129 ms

osd.js

osd.js

31 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

71 ms

ads

ads

249 ms

ads

ads

192 ms

q

q

38 ms

300lo.json

300lo.json

54 ms

198.1fb100a88b9662068eb1.js

198.1fb100a88b9662068eb1.js

19 ms

54.67befe13fb299a12bb3b.js

54.67befe13fb299a12bb3b.js

39 ms

21.ac3f58c8d0c442259e5d.js

21.ac3f58c8d0c442259e5d.js

18 ms

260.5ac0e313aafe450aa9e3.js

260.5ac0e313aafe450aa9e3.js

17 ms

191.d64b16e1af5cae532fdb.js

191.d64b16e1af5cae532fdb.js

17 ms

counter.8eb9e83b9fa0d4af1e4f.js

counter.8eb9e83b9fa0d4af1e4f.js

15 ms

sh.7c7179124ea24ac6ba46caac.html

sh.7c7179124ea24ac6ba46caac.html

31 ms

a-logo-amazon.png

a-logo-amazon.png

29 ms

51e-PtVGfhL._AC_SR98,95_.jpg

51e-PtVGfhL._AC_SR98,95_.jpg

36 ms

ir

ir

35 ms

json

json

33 ms

prime.png

prime.png

25 ms

cart.gif

cart.gif

30 ms

shares.json

shares.json

26 ms

abg.js

abg.js

25 ms

datapair

datapair

39 ms

datapair

datapair

37 ms

datapair

datapair

33 ms

datapair

datapair

36 ms

pixel

pixel

30 ms

pixel

pixel

14 ms

m_js_controller.js

m_js_controller.js

5 ms

s

s

19 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

35 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

3 ms

x_button_blue2.png

x_button_blue2.png

4 ms

MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js

MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js

6 ms

Accessibility Review

esl-lab.com accessibility score

82

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

esl-lab.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

esl-lab.com SEO score

88

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

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Esl-lab.com 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 Esl-lab.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

esl-lab.com

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