Tools & Wizards About Us
organicchemistry.com screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    84% 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

organicchemistry.com

Master Organic Chemistry - An Online Organic Chemistry Resource

Page Load Speed

2.1 sec in total

First Response

54 ms

Resources Loaded

333 ms

Page Rendered

1.7 sec

organicchemistry.com screenshot

About Website

Click here to check amazing Organic Chemistry content for United States. Otherwise, check out these important facts you probably never knew about organicchemistry.com

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

Visit organicchemistry.com

Key Findings

We analyzed Organicchemistry.com page load time and found that the first response time was 54 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

organicchemistry.com performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

26/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

organicchemistry.com

54 ms

www.masterorganicchemistry.com

58 ms

search.svg

50 ms

rolling-2s-200px-white.svg

51 ms

mobile-menu-bg.svg

54 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Organicchemistry.com, 97% (62 requests) were made to Cdn.masterorganicchemistry.com and 2% (1 request) were made to Masterorganicchemistry.com. The less responsive or slowest element that took the longest time to load (59 ms) relates to the external source Cdn.masterorganicchemistry.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 534.9 kB (26%)

Content Size

2.1 MB

After Optimization

1.5 MB

  • HTML
  • Images

In fact, the total size of Organicchemistry.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. 65% 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 534.8 kB

  • Original 593.7 kB
  • After minification 540.4 kB
  • After compression 58.8 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 534.8 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. 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 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

organicchemistry.com

organicchemistry.com

54 ms

www.masterorganicchemistry.com

www.masterorganicchemistry.com

58 ms

search.svg

search.svg

50 ms

rolling-2s-200px-white.svg

rolling-2s-200px-white.svg

51 ms

mobile-menu-bg.svg

mobile-menu-bg.svg

54 ms

hero-hex-5.svg

hero-hex-5.svg

55 ms

hero-hex-4.svg

hero-hex-4.svg

53 ms

hero-hex-1.svg

hero-hex-1.svg

59 ms

hero-hex-2.svg

hero-hex-2.svg

57 ms

hero-hex-3.svg

hero-hex-3.svg

56 ms

login.svg

login.svg

32 ms

MOC-Membership-Image-2.jpg

MOC-Membership-Image-2.jpg

41 ms

MOC-Membership-Page-1-Image-1-1.jpg

MOC-Membership-Page-1-Image-1-1.jpg

36 ms

MOC-Membership-Image-3.jpg

MOC-Membership-Image-3.jpg

39 ms

courses-bg.svg

courses-bg.svg

37 ms

img1.png

img1.png

37 ms

img2.jpg

img2.jpg

39 ms

img3.png

img3.png

40 ms

seen-on.png

seen-on.png

44 ms

testimonial-hex.svg

testimonial-hex.svg

43 ms

quote.svg

quote.svg

40 ms

21-Steve.png

21-Steve.png

43 ms

Kaitlyn.png

Kaitlyn.png

44 ms

6-mcmurdo.png

6-mcmurdo.png

45 ms

39-Justina-C.png

39-Justina-C.png

47 ms

29-Brendan.png

29-Brendan.png

46 ms

18-Peter.png

18-Peter.png

45 ms

38-Callie-O.png

38-Callie-O.png

46 ms

Luke-D.png

Luke-D.png

47 ms

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47 ms

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49 ms

22-Kailey-1.png

22-Kailey-1.png

48 ms

28-Morgan.png

28-Morgan.png

49 ms

3.png

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48 ms

27-Tara.png

27-Tara.png

47 ms

16-Leah.png

16-Leah.png

49 ms

32-Eric-E.png

32-Eric-E.png

50 ms

20-Mujtaba.png

20-Mujtaba.png

51 ms

23-Manuel.png

23-Manuel.png

31 ms

24-Robert.png

24-Robert.png

26 ms

36-Abby-1.png

36-Abby-1.png

26 ms

Corbin-4.png

Corbin-4.png

26 ms

34-Marie.png

34-Marie.png

26 ms

25-Michelle.png

25-Michelle.png

25 ms

37-Christian-M.png

37-Christian-M.png

23 ms

35-Anika.png

35-Anika.png

23 ms

33-Olympiad.png

33-Olympiad.png

24 ms

30-Paul-G.png

30-Paul-G.png

22 ms

Courtney-E.png

Courtney-E.png

21 ms

31-Zina-Z.png

31-Zina-Z.png

22 ms

40-Matthew-T.png

40-Matthew-T.png

22 ms

1-abcd.png

1-abcd.png

21 ms

1-abcd.png

1-abcd.png

21 ms

35-Spectroscopy.gif

35-Spectroscopy.gif

20 ms

org-syn-scaled.jpg

org-syn-scaled.jpg

25 ms

GIF-of-GIFS-scaled.jpg

GIF-of-GIFS-scaled.jpg

22 ms

about-image.png

about-image.png

21 ms

about-quote.svg

about-quote.svg

18 ms

footer-bg.svg

footer-bg.svg

19 ms

GTWalsheimPro-Regular.otf

GTWalsheimPro-Regular.otf

16 ms

GTWalsheimPro-Medium.woff

GTWalsheimPro-Medium.woff

4 ms

SanFranciscoDisplay-Semibold.woff

SanFranciscoDisplay-Semibold.woff

16 ms

GTWalsheimPro-Bold.woff

GTWalsheimPro-Bold.woff

14 ms

NHaasGroteskTXPro-Rg.woff

NHaasGroteskTXPro-Rg.woff

15 ms

Accessibility Review

organicchemistry.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

organicchemistry.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

organicchemistry.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 Organicchemistry.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 Organicchemistry.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

organicchemistry.com

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