Tools & Wizards About Us
oxfordseminars.com screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 74

    SEO

    Google-friendlier than
    32% of websites

oxfordseminars.com

TESOL/TESL/TEFL Certification Courses for Teaching English Abroad - Oxford Seminars

Page Load Speed

3 sec in total

First Response

152 ms

Resources Loaded

2.7 sec

Page Rendered

155 ms

oxfordseminars.com screenshot

About Website

Welcome to oxfordseminars.com homepage info - get ready to check Oxford Seminars best content for United States right away, or after learning these important things about oxfordseminars.com

Oxford Seminars is the leading provider of TESOL/TESL/TEFL certification courses throughout the US & Canada. How to get certified to teach English abroad.

Visit oxfordseminars.com

Key Findings

We analyzed Oxfordseminars.com page load time and found that the first response time was 152 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

oxfordseminars.com performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.552

13/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

oxfordseminars.com

152 ms

www.oxfordseminars.com

346 ms

css

67 ms

bootstrap_desktop.css

67 ms

jquery-2.1.4.min.js

134 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 74% of them (62 requests) were addressed to the original Oxfordseminars.com, 5% (4 requests) were made to Dev.visualwebsiteoptimizer.com and 4% (3 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (898 ms) relates to the external source Images.scanalert.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (69%)

Content Size

1.9 MB

After Optimization

595.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Oxfordseminars.com main page is 1.9 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. 50% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 49.4 kB

  • Original 64.7 kB
  • After minification 62.5 kB
  • After compression 15.3 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 49.4 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 920 B

  • Original 96.2 kB
  • After minification 95.2 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. Oxford Seminars images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 942.9 kB

  • Original 1.4 MB
  • After minification 1.3 MB
  • After compression 411.3 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 942.9 kB or 70% of the original size.

CSS Optimization

-83%

Potential reduce by 358.6 kB

  • Original 432.0 kB
  • After minification 378.4 kB
  • After compression 73.4 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. Oxfordseminars.com needs all CSS files to be minified and compressed as it can save up to 358.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (82%)

Requests Now

77

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oxford Seminars. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

oxfordseminars.com

oxfordseminars.com

152 ms

www.oxfordseminars.com

www.oxfordseminars.com

346 ms

css

css

67 ms

bootstrap_desktop.css

bootstrap_desktop.css

67 ms

jquery-2.1.4.min.js

jquery-2.1.4.min.js

134 ms

bootstrap.min.js

bootstrap.min.js

120 ms

jquery-ui.min.css

jquery-ui.min.css

115 ms

jquery-ui.min.js

jquery-ui.min.js

220 ms

jquery.validate.min.js

jquery.validate.min.js

118 ms

additional-methods.min.js

additional-methods.min.js

152 ms

styles.css

styles.css

153 ms

font-awesome.min.css

font-awesome.min.css

153 ms

style.css

style.css

165 ms

style.css

style.css

176 ms

smartcountdown.css

smartcountdown.css

177 ms

cell-menu-css.css

cell-menu-css.css

179 ms

ddl-front-end.css

ddl-front-end.css

187 ms

datepicker.css

datepicker.css

195 ms

wpv-pagination.css

wpv-pagination.css

205 ms

jquery.js

jquery.js

283 ms

jquery-migrate.min.js

jquery-migrate.min.js

211 ms

velocity.min.js

velocity.min.js

276 ms

smartcountdown.js

smartcountdown.js

277 ms

plural.js

plural.js

278 ms

ddl-layouts-frontend.js

ddl-layouts-frontend.js

278 ms

conversion.js

conversion.js

50 ms

jquery.form.min.js

jquery.form.min.js

277 ms

scripts.js

scripts.js

277 ms

comment-reply.min.js

comment-reply.min.js

278 ms

jquery-ui.min.js

jquery-ui.min.js

396 ms

URI.js

URI.js

279 ms

share.js

share.js

284 ms

fblike.js

fblike.js

287 ms

core.min.js

core.min.js

294 ms

datepicker.min.js

datepicker.min.js

299 ms

wpv-pagination-embedded.js

wpv-pagination-embedded.js

311 ms

underscore.min.js

underscore.min.js

319 ms

backbone.min.js

backbone.min.js

316 ms

utils.js

utils.js

258 ms

ddl-menu-cell-front-end.js

ddl-menu-cell-front-end.js

227 ms

osGaEvent.js

osGaEvent.js

238 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

99 ms

notifications.css

notifications.css

89 ms

dc.js

dc.js

171 ms

13.gif

13.gif

898 ms

oslogo_243x67_trans_png.png

oslogo_243x67_trans_png.png

92 ms

JenniferMcElroy-wpcf_64x64.jpg

JenniferMcElroy-wpcf_64x64.jpg

91 ms

JenniferProvins-wpcf_64x64.jpg

JenniferProvins-wpcf_64x64.jpg

91 ms

socialmedia_google-_23x23.png

socialmedia_google-_23x23.png

90 ms

socialmedia_facebook_23x23.png

socialmedia_facebook_23x23.png

89 ms

socialmedia_twitter_23x231.png

socialmedia_twitter_23x231.png

90 ms

socialmedia_youtube_23x23.png

socialmedia_youtube_23x23.png

112 ms

ajax-loader.gif

ajax-loader.gif

111 ms

home_paymenticons_160x139.png

home_paymenticons_160x139.png

112 ms

analytics.js

analytics.js

147 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

159 ms

hotjar-46478.js

hotjar-46478.js

210 ms

fbevents.js

fbevents.js

258 ms

bat.js

bat.js

186 ms

151 ms

j.php

j.php

112 ms

searchbox_magnifyingglass.png

searchbox_magnifyingglass.png

100 ms

main_banner_final.jpg

main_banner_final.jpg

137 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

168 ms

dazS1PrQQuCxC3iOAJFEJbfB31yxOzP-czbf6AAKCVo.ttf

dazS1PrQQuCxC3iOAJFEJbfB31yxOzP-czbf6AAKCVo.ttf

109 ms

y7lebkjgREBJK96VQi37Zp0EAVxt0G0biEntp43Qt6E.ttf

y7lebkjgREBJK96VQi37Zp0EAVxt0G0biEntp43Qt6E.ttf

161 ms

top_chevron_mouseover.png

top_chevron_mouseover.png

57 ms

v.gif

v.gif

63 ms

va-fbc30fe569246b4c14a32b01679c9492.js

va-fbc30fe569246b4c14a32b01679c9492.js

66 ms

collect

collect

54 ms

103 ms

__utm.gif

__utm.gif

24 ms

modules-1f5c71aea63f8df71401422ed80fbe5f.js

modules-1f5c71aea63f8df71401422ed80fbe5f.js

57 ms

bootstrap.min.css

bootstrap.min.css

39 ms

100 ms

cell-menu-css.css

cell-menu-css.css

35 ms

ddl-front-end.css

ddl-front-end.css

34 ms

wpv-pagination.css

wpv-pagination.css

33 ms

print.css

print.css

33 ms

www.oxfordseminars.com

www.oxfordseminars.com

105 ms

l.gif

l.gif

25 ms

__utm.gif

__utm.gif

19 ms

ajax-loader.gif

ajax-loader.gif

35 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

34 ms

Accessibility Review

oxfordseminars.com accessibility score

57

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-hidden="true"] elements contain focusable descendents

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

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

oxfordseminars.com best practices score

67

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

Browser errors were logged to the console

SEO Factors

oxfordseminars.com SEO score

74

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

robots.txt is not valid

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

    UTF-8

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

oxfordseminars.com

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