Tools & Wizards About Us
cdn.masterorganicchemistry.com screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

cdn.masterorganicchemistry.com

Master Organic Chemistry - An Online Organic Chemistry Resource

Page Load Speed

1.9 sec in total

First Response

70 ms

Resources Loaded

219 ms

Page Rendered

1.6 sec

cdn.masterorganicchemistry.com screenshot

About Website

Visit cdn.masterorganicchemistry.com now to see the best up-to-date Cdn Master Organic Chemistry content for United States and also check out these interesting facts you probably never knew about cdn.masterorganicchemistry.com

400+ free articles on undergraduate organic chemistry topics plus free (and paid) study guides, a reaction encyclopedia, practice problems, tutoring & more.

Visit cdn.masterorganicchemistry.com

Key Findings

We analyzed Cdn.masterorganicchemistry.com page load time and found that the first response time was 70 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

cdn.masterorganicchemistry.com performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

65/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

cdn.masterorganicchemistry.com

70 ms

search.svg

42 ms

rolling-2s-200px-white.svg

42 ms

mobile-menu-bg.svg

43 ms

hero-hex-5.svg

45 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that all of those requests were addressed to Cdn.masterorganicchemistry.com and no external sources were called. The less responsive or slowest element that took the longest time to load (70 ms) belongs to the original domain Cdn.masterorganicchemistry.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 533.2 kB (26%)

Content Size

2.1 MB

After Optimization

1.5 MB

  • HTML
  • Images

In fact, the total size of Cdn.masterorganicchemistry.com main page is 2.1 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. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 533.1 kB

  • Original 591.8 kB
  • After minification 538.7 kB
  • After compression 58.7 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 533.1 kB or 90% of the original size.

Image Optimization

-0%

Potential reduce by 130 B

  • Original 1.5 MB
  • After minification 1.5 MB

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. Cdn Master Organic Chemistry images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 9 (16%)

Requests Now

57

After Optimization

48

  • Images

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cdn Master Organic Chemistry. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

cdn.masterorganicchemistry.com

cdn.masterorganicchemistry.com

70 ms

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search.svg

42 ms

rolling-2s-200px-white.svg

rolling-2s-200px-white.svg

42 ms

mobile-menu-bg.svg

mobile-menu-bg.svg

43 ms

hero-hex-5.svg

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45 ms

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47 ms

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45 ms

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48 ms

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47 ms

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54 ms

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52 ms

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49 ms

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48 ms

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20 ms

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24 ms

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26 ms

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20 ms

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23 ms

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24 ms

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19 ms

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19 ms

footer-bg.svg

footer-bg.svg

16 ms

GTWalsheimPro-Regular.otf

GTWalsheimPro-Regular.otf

13 ms

GTWalsheimPro-Medium.woff

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3 ms

SanFranciscoDisplay-Semibold.woff

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13 ms

GTWalsheimPro-Bold.woff

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15 ms

NHaasGroteskTXPro-Rg.woff

NHaasGroteskTXPro-Rg.woff

14 ms

Accessibility Review

cdn.masterorganicchemistry.com accessibility score

75

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

cdn.masterorganicchemistry.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cdn.masterorganicchemistry.com SEO score

85

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

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 Cdn.masterorganicchemistry.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 Cdn.masterorganicchemistry.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

cdn.masterorganicchemistry.com

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