Tools & Wizards About Us
admin.oneclass.com screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

admin.oneclass.com

OneClass - Personalized Courses, Study Materials and Homework Help

Page Load Speed

1.5 sec in total

First Response

375 ms

Resources Loaded

884 ms

Page Rendered

283 ms

admin.oneclass.com screenshot

About Website

Click here to check amazing Admin One Class content for United States. Otherwise, check out these important facts you probably never knew about admin.oneclass.com

Access millions of class notes and study guides from top students, along with textbook notes for all of your courses.

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Key Findings

We analyzed Admin.oneclass.com page load time and found that the first response time was 375 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

admin.oneclass.com performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value1,020 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

admin.oneclass.com

375 ms

gtm.js

96 ms

a60a3e6cf8feac2b0aba.css

86 ms

6b88fae23e426060055c.css

92 ms

c028fc08e9bd54cdb50e.css

110 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 83% of them (43 requests) were addressed to the original Admin.oneclass.com, 12% (6 requests) were made to S3.us-east-1.wasabisys.com and 4% (2 requests) were made to S3.us-east-1.amazonaws.com. The less responsive or slowest element that took the longest time to load (519 ms) relates to the external source S3.us-east-1.wasabisys.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 210.1 kB (19%)

Content Size

1.1 MB

After Optimization

875.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Admin.oneclass.com main page is 1.1 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. 70% of websites need less resources to load. Javascripts take 754.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 209.3 kB

  • Original 262.2 kB
  • After minification 262.2 kB
  • After compression 52.9 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. 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 209.3 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 567 B

  • Original 20.3 kB
  • After minification 19.8 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. Admin One Class images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 213 B

  • Original 754.2 kB
  • After minification 754.2 kB
  • After compression 754.0 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 1 B

  • Original 49.0 kB
  • After minification 49.0 kB
  • After compression 49.0 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. Admin.oneclass.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 38 (86%)

Requests Now

44

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Admin One Class. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

admin.oneclass.com

admin.oneclass.com

375 ms

gtm.js

gtm.js

96 ms

a60a3e6cf8feac2b0aba.css

a60a3e6cf8feac2b0aba.css

86 ms

6b88fae23e426060055c.css

6b88fae23e426060055c.css

92 ms

c028fc08e9bd54cdb50e.css

c028fc08e9bd54cdb50e.css

110 ms

267d81afed3c3e41928a.css

267d81afed3c3e41928a.css

113 ms

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26ea65a085de54761726.css

110 ms

161dee79bf48bebe2fb2.css

161dee79bf48bebe2fb2.css

115 ms

polyfills-a40ef1678bae11e696dba45124eadd70.js

polyfills-a40ef1678bae11e696dba45124eadd70.js

147 ms

webpack-18bea97fb216c8fd10ea.js

webpack-18bea97fb216c8fd10ea.js

112 ms

framework.4051c3c78524067d5000.js

framework.4051c3c78524067d5000.js

168 ms

commons.63527054d5f61dde0ee1.js

commons.63527054d5f61dde0ee1.js

172 ms

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5e289611d3dda6344aa0da348919c980805a6d3f.33f775b6440581a7c180.js

171 ms

main-e2959bce66a91cea0e62.js

main-e2959bce66a91cea0e62.js

171 ms

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2b903dbc8a16863525e4f042e6825d857f696fc0.5ecf10d35d23fb2d9e6f.js

198 ms

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5164b7f3177b8d2745fa83268d39e61500b299d9.004b3c3b88f2a92c6615.js

192 ms

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193 ms

a2fcfd0ffaeb79ecfd0f5b6b40f9a03f7727de3c.77005f6577132362e840.js

a2fcfd0ffaeb79ecfd0f5b6b40f9a03f7727de3c.77005f6577132362e840.js

195 ms

515c798c4019942c07ed47099947207604194ea2.c733126c858ea0730a21.js

515c798c4019942c07ed47099947207604194ea2.c733126c858ea0730a21.js

196 ms

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195 ms

deec35ea51cfef7c189ed7c1170866f1d9be9563.8c77ac1b3971dfc43d66.js

deec35ea51cfef7c189ed7c1170866f1d9be9563.8c77ac1b3971dfc43d66.js

196 ms

_app-bda023eddafb671b97df.js

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218 ms

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0648ef6d.5c07b2ecfe36189bb767.js

217 ms

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21cff3b76f47e52f1058d7245ed1d6207d318728.97b8538f3295462c05de.js

218 ms

21cff3b76f47e52f1058d7245ed1d6207d318728_CSS.a83a6a4548b93404854d.js

21cff3b76f47e52f1058d7245ed1d6207d318728_CSS.a83a6a4548b93404854d.js

217 ms

464dd5cd15f9c0a09b4bdf3a68c3d2b0c9a2aea6.866e4c9ced71f0bce46a.js

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217 ms

464dd5cd15f9c0a09b4bdf3a68c3d2b0c9a2aea6_CSS.3bbe0c84743f3f8d6181.js

464dd5cd15f9c0a09b4bdf3a68c3d2b0c9a2aea6_CSS.3bbe0c84743f3f8d6181.js

232 ms

f24f06fa0eb1efe263b49cc11328e195787ec67a.43e114905d7f6bd04a13.js

f24f06fa0eb1efe263b49cc11328e195787ec67a.43e114905d7f6bd04a13.js

234 ms

6b96622873fe2b37e49b1a950f8d106cc19a136e.88790fd0819926eeddbb.js

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231 ms

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307 ms

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97718f085f0fd1466abf1fca6e66c2ad6352407f_CSS.c45b15f1d5cff9ccea93.js

232 ms

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236 ms

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241 ms

fc29af06b878fdf8db361f8acd95d9d30bb0c824.37ee9370703031e2ce73.js

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240 ms

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312 ms

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313 ms

index-d5132bfaba6f81f19083.js

index-d5132bfaba6f81f19083.js

314 ms

360_F_557292539_2kXYz0frOcCGISoYEd2MNTmxyT0lYyOj.jpg

360_F_557292539_2kXYz0frOcCGISoYEd2MNTmxyT0lYyOj.jpg

486 ms

p.png

p.png

315 ms

B612_20180326_160147.jpg

B612_20180326_160147.jpg

519 ms

Owais_Farooq.jpg

Owais_Farooq.jpg

431 ms

IMG_20190803_132658.jpg

IMG_20190803_132658.jpg

371 ms

icon.jpg

icon.jpg

339 ms

charlie_cox_ava.jpg

charlie_cox_ava.jpg

56 ms

mark_avatar.jpg

mark_avatar.jpg

74 ms

_buildManifest.js

_buildManifest.js

303 ms

_ssgManifest.js

_ssgManifest.js

229 ms

email-decode.min.js

email-decode.min.js

21 ms

party@2x.png

party@2x.png

81 ms

chemistry.svg

chemistry.svg

83 ms

mathematics.svg

mathematics.svg

80 ms

main.js

main.js

9 ms

Accessibility Review

admin.oneclass.com accessibility score

86

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

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

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

Links do not have a discernible name

Best Practices

admin.oneclass.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

admin.oneclass.com SEO score

78

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

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 Admin.oneclass.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 Admin.oneclass.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

admin.oneclass.com

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