Tools & Wizards About Us
english15.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

english15.com

欧易中国（okx） - okx官网正版

Page Load Speed

3.2 sec in total

First Response

800 ms

Resources Loaded

2.1 sec

Page Rendered

283 ms

english15.com screenshot

About Website

Visit english15.com now to see the best up-to-date English 15 content for Ukraine and also check out these interesting facts you probably never knew about english15.com

Visit english15.com

Key Findings

We analyzed English15.com page load time and found that the first response time was 800 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

english15.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

3/100

10%

LCP (Largest Contentful Paint)

Value11.4 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

Network Requests Diagram

english15.com

800 ms

english15.com

378 ms

style.css

74 ms

remixicon.css

219 ms

jquery-2.2.4.min.js

354 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 97% of them (28 requests) were addressed to the original English15.com, 3% (1 request) were made to Sdk.51.la. The less responsive or slowest element that took the longest time to load (800 ms) belongs to the original domain English15.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 144.9 kB (30%)

Content Size

490.6 kB

After Optimization

345.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of English15.com main page is 490.6 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. 30% of websites need less resources to load. Images take 224.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 24.5 kB

  • Original 30.1 kB
  • After minification 26.0 kB
  • After compression 5.5 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 4.0 kB, which is 13% 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 24.5 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 7.9 kB

  • Original 224.0 kB
  • After minification 216.1 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. English 15 images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 81.0 kB

  • Original 188.6 kB
  • After minification 187.4 kB
  • After compression 107.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 81.0 kB or 43% of the original size.

CSS Optimization

-66%

Potential reduce by 31.5 kB

  • Original 48.0 kB
  • After minification 34.9 kB
  • After compression 16.5 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. English15.com needs all CSS files to be minified and compressed as it can save up to 31.5 kB or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (23%)

Requests Now

26

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of English 15. 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 as a result speed up the page load time.

Network Requests Diagram

english15.com

english15.com

800 ms

english15.com

english15.com

378 ms

style.css

style.css

74 ms

remixicon.css

remixicon.css

219 ms

jquery-2.2.4.min.js

jquery-2.2.4.min.js

354 ms

jquery.lazy.js

jquery.lazy.js

293 ms

zblogphp.js

zblogphp.js

225 ms

c_html_js_add.php

c_html_js_add.php

261 ms

swiper.min.js

swiper.min.js

371 ms

swiper.min.css

swiper.min.css

292 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

89 ms

white.js

white.js

293 ms

logo.png

logo.png

134 ms

banner.jpg

banner.jpg

143 ms

okex_1200_100.png

okex_1200_100.png

150 ms

571309b8d4b813ff3d344b88ddab34b9-200-140-1.jpeg

571309b8d4b813ff3d344b88ddab34b9-200-140-1.jpeg

135 ms

bba41990addd83f5acbf975f4c0ad69e-200-140-1.jpeg

bba41990addd83f5acbf975f4c0ad69e-200-140-1.jpeg

135 ms

95a06ffca09947cbd28705e7cec2fad1-200-140-1.jpeg

95a06ffca09947cbd28705e7cec2fad1-200-140-1.jpeg

135 ms

adb6bc6453f4a85b1ac2102ea7f953ff-200-140-1.jpeg

adb6bc6453f4a85b1ac2102ea7f953ff-200-140-1.jpeg

147 ms

cbe8a493d900d7921ce482c1e1732035-200-140-1.jpeg

cbe8a493d900d7921ce482c1e1732035-200-140-1.jpeg

149 ms

26a5b81e0c9ca7491e138de93b5a473a-200-140-1.jpeg

26a5b81e0c9ca7491e138de93b5a473a-200-140-1.jpeg

148 ms

8fa2b59e2dc613be11dfc816eaf73de1-200-140-1.jpeg

8fa2b59e2dc613be11dfc816eaf73de1-200-140-1.jpeg

149 ms

d5cb2a85577380f33699894947f08321-200-140-1.jpeg

d5cb2a85577380f33699894947f08321-200-140-1.jpeg

211 ms

01ae8a8b5c256c28f9474fabc9588d2f-200-140-1.jpeg

01ae8a8b5c256c28f9474fabc9588d2f-200-140-1.jpeg

218 ms

0b08c15e1ce9c3d31af03c5d5b40b13c-200-140-1.jpeg

0b08c15e1ce9c3d31af03c5d5b40b13c-200-140-1.jpeg

220 ms

ad-360.png

ad-360.png

338 ms

1be53397858da97765bc684118281947-260-150-1.jpeg

1be53397858da97765bc684118281947-260-150-1.jpeg

222 ms

wx.png

wx.png

223 ms

remixicon.woff

remixicon.woff

520 ms

Accessibility Review

english15.com accessibility score

91

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.

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

Document doesn't have a <title> element

High

Links do not have a discernible name

Best Practices

english15.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

english15.com SEO score

77

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

Document doesn't have a <title> element

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise English15.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that English15.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

english15.com

Open Graph description is not detected on the main page of English 15. 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: