Tools & Wizards About Us
onestopenglish.com screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

onestopenglish.com

ELT Courses and Digital Tools for English Learning - Macmillan English

Page Load Speed

2.6 sec in total

First Response

144 ms

Resources Loaded

2.1 sec

Page Rendered

267 ms

onestopenglish.com screenshot

About Website

Visit onestopenglish.com now to see the best up-to-date Onestop English content for Czech Republic and also check out these interesting facts you probably never knew about onestopenglish.com

Find ELT courses, digital tools, and materials for all levels. Improve teaching skills and support learner progress.

Visit onestopenglish.com

Key Findings

We analyzed Onestopenglish.com page load time and found that the first response time was 144 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

onestopenglish.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value550 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.934

3/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

onestopenglish.com

144 ms

onestopenglish.com

278 ms

www.onestopenglish.com

421 ms

core.css

145 ms

jquery.min.js

24 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 16% of them (11 requests) were addressed to the original Onestopenglish.com, 63% (44 requests) were made to D39eazhratf38c.cloudfront.net and 11% (8 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (895 ms) relates to the external source D39eazhratf38c.cloudfront.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 206.6 kB (15%)

Content Size

1.4 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Onestopenglish.com main page is 1.4 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. 65% of websites need less resources to load. Images take 817.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 180.4 kB

  • Original 211.3 kB
  • After minification 181.5 kB
  • After compression 30.9 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 29.8 kB, which is 14% 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 180.4 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 25.9 kB

  • Original 817.5 kB
  • After minification 791.6 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. Onestop English images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 211 B

  • Original 229.3 kB
  • After minification 229.3 kB
  • After compression 229.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 59 B

  • Original 109.9 kB
  • After minification 109.9 kB
  • After compression 109.9 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. Onestopenglish.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (15%)

Requests Now

60

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Onestop English. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

onestopenglish.com

onestopenglish.com

144 ms

onestopenglish.com

onestopenglish.com

278 ms

www.onestopenglish.com

www.onestopenglish.com

421 ms

core.css

core.css

145 ms

jquery.min.js

jquery.min.js

24 ms

lgb5rwp.css

lgb5rwp.css

199 ms

core.js

core.js

332 ms

p.css

p.css

32 ms

gtm.js

gtm.js

629 ms

69625_gc_monthsoftheyear_index_74288.jpeg

69625_gc_monthsoftheyear_index_74288.jpeg

748 ms

69536_indeximages5grammarman_529613.jpeg

69536_indeximages5grammarman_529613.jpeg

794 ms

69563_eb_employeewellbeing_index_917345.jpeg

69563_eb_employeewellbeing_index_917345.jpeg

846 ms

64595_256657_189479.jpg

64595_256657_189479.jpg

850 ms

68376_mdb_vocinfographics_lookingforajob_index_109767.jpg

68376_mdb_vocinfographics_lookingforajob_index_109767.jpg

849 ms

64439_ltai_jobs_index_364539.jpg

64439_ltai_jobs_index_364539.jpg

848 ms

68354_languagefor_index_190098.jpg

68354_languagefor_index_190098.jpg

849 ms

69647_el_superstitions_index_293105.jpeg

69647_el_superstitions_index_293105.jpeg

848 ms

69648_indeximages4elementarybusiness_785503.jpeg

69648_indeximages4elementarybusiness_785503.jpeg

848 ms

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61833_lflb780520_319936.jpg

854 ms

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64986_132802_40234.jpg

853 ms

69391_e4hrm_index_725332.jpeg

69391_e4hrm_index_725332.jpeg

853 ms

68406_hospitalitytourism_intro_index_958166.jpg

68406_hospitalitytourism_intro_index_958166.jpg

854 ms

60100_156080_597563.jpg

60100_156080_597563.jpg

852 ms

66285_ph_sym_trc2_reading_u04_p3_a_497805.jpg

66285_ph_sym_trc2_reading_u04_p3_a_497805.jpg

852 ms

69615_gc_family_cards_960701.jpeg

69615_gc_family_cards_960701.jpeg

865 ms

68088_mypost42_362803.jpg

68088_mypost42_362803.jpg

865 ms

60849_your_learner_games_357276.jpg

60849_your_learner_games_357276.jpg

865 ms

67719_gp_howmanysiblings_index_884181.jpg

67719_gp_howmanysiblings_index_884181.jpg

865 ms

68019_yl_myfamily_index_262228.jpg

68019_yl_myfamily_index_262228.jpg

864 ms

67183_if_family_time_839592.jpg

67183_if_family_time_839592.jpg

864 ms

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68045_mypost32_754380.jpg

866 ms

68021_el_meetthefamily_index_305609.jpg

68021_el_meetthefamily_index_305609.jpg

866 ms

68024_topics_family_index_630234.jpg

68024_topics_family_index_630234.jpg

865 ms

69645_celebrations_mothersfathersday_index_704125.jpeg

69645_celebrations_mothersfathersday_index_704125.jpeg

865 ms

69640_bn_smartmoney_index_623916.jpeg

69640_bn_smartmoney_index_623916.jpeg

895 ms

69624_nl_tstickets_index_69040.jpeg

69624_nl_tstickets_index_69040.jpeg

877 ms

69612_nl_ripoffevents_index_488160.jpeg

69612_nl_ripoffevents_index_488160.jpeg

876 ms

69592_news_lessons_schoolmakesyouyounger_index_8374.jpeg

69592_news_lessons_schoolmakesyouyounger_index_8374.jpeg

894 ms

sprite.css-98f55b24.svg

sprite.css-98f55b24.svg

560 ms

print_logo.png

print_logo.png

560 ms

sprite.css-98f55b24.svgz

sprite.css-98f55b24.svgz

711 ms

d

d

528 ms

d

d

892 ms

d

d

645 ms

d

d

641 ms

d

d

641 ms

69625_gc_monthsoftheyear_index_74288.jpeg

69625_gc_monthsoftheyear_index_74288.jpeg

636 ms

69536_indeximages5grammarman_529613.jpeg

69536_indeximages5grammarman_529613.jpeg

636 ms

69563_eb_employeewellbeing_index_917345.jpeg

69563_eb_employeewellbeing_index_917345.jpeg

645 ms

69640_bn_smartmoney_index_623916.jpeg

69640_bn_smartmoney_index_623916.jpeg

647 ms

69624_nl_tstickets_index_69040.jpeg

69624_nl_tstickets_index_69040.jpeg

646 ms

69612_nl_ripoffevents_index_488160.jpeg

69612_nl_ripoffevents_index_488160.jpeg

648 ms

69592_news_lessons_schoolmakesyouyounger_index_8374.jpeg

69592_news_lessons_schoolmakesyouyounger_index_8374.jpeg

647 ms

searchpickerwidget

searchpickerwidget

262 ms

most

most

385 ms

d

d

192 ms

d

d

192 ms

otSDKStub.js

otSDKStub.js

175 ms

69592_news_lessons_schoolmakesyouyounger_index_8374.jpeg

69592_news_lessons_schoolmakesyouyounger_index_8374.jpeg

36 ms

60056_137470_324344.jpg

60056_137470_324344.jpg

39 ms

print.css

print.css

107 ms

69572_nl_holidayathome_index_797134.jpeg

69572_nl_holidayathome_index_797134.jpeg

34 ms

69624_nl_tstickets_index_69040.jpeg

69624_nl_tstickets_index_69040.jpeg

34 ms

69477_nl_parisvssuvs_index_88782.jpeg

69477_nl_parisvssuvs_index_88782.jpeg

36 ms

69640_bn_smartmoney_index_623916.jpeg

69640_bn_smartmoney_index_623916.jpeg

34 ms

69625_gc_monthsoftheyear_index_74288.jpeg

69625_gc_monthsoftheyear_index_74288.jpeg

36 ms

69612_nl_ripoffevents_index_488160.jpeg

69612_nl_ripoffevents_index_488160.jpeg

47 ms

2f48d57e-0d5a-42f2-9ae7-c524ff3634f5.json

2f48d57e-0d5a-42f2-9ae7-c524ff3634f5.json

64 ms

440ac347b2b4.js

440ac347b2b4.js

62 ms

otBannerSdk.js

otBannerSdk.js

48 ms

Accessibility Review

onestopenglish.com accessibility score

98

Accessibility Issues

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.

Best Practices

onestopenglish.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

Missing source maps for large first-party JavaScript

SEO Factors

onestopenglish.com SEO score

84

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

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 Onestopenglish.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 Onestopenglish.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

onestopenglish.com

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