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sache.org screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

sache.org

Safety and Chemical Engineering Education (SAChE) | AIChE

Page Load Speed

2.1 sec in total

First Response

49 ms

Resources Loaded

1.9 sec

Page Rendered

109 ms

sache.org screenshot

About Website

Welcome to sache.org homepage info - get ready to check SAChE best content for Thailand right away, or after learning these important things about sache.org

SAChE is an effort between CCPS and universities to provide teaching materials and programs that incorporate elements of process safety with the education of undergraduate students and young practicin...

Visit sache.org

Key Findings

We analyzed Sache.org page load time and found that the first response time was 49 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

sache.org performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value1,880 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.341

33/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

Network Requests Diagram

sache.org

49 ms

safety-and-chemical-engineering-education-sache

12 ms

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

7 ms

css_G1tYSPRVA0kO4kw4f1T-hoZii8j651C-rMcKsyQIqF4.css

17 ms

css_LVk8ZP9ui3cP1MmOqNbx7UjYpLBBJK5cdV3wu2wZJaY.css

31 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Sache.org, 57% (33 requests) were made to Aiche.org and 9% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (548 ms) relates to the external source Connect.facebook.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 185.6 kB (22%)

Content Size

833.4 kB

After Optimization

647.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sache.org main page is 833.4 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. 60% of websites need less resources to load. Javascripts take 330.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 104.7 kB

  • Original 124.5 kB
  • After minification 93.9 kB
  • After compression 19.8 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. This page needs HTML code to be minified as it can gain 30.6 kB, which is 25% 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 104.7 kB or 84% of the original size.

Image Optimization

-20%

Potential reduce by 55.6 kB

  • Original 282.5 kB
  • After minification 226.9 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. Obviously, SAChE needs image optimization as it can save up to 55.6 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-7%

Potential reduce by 21.9 kB

  • Original 330.5 kB
  • After minification 330.5 kB
  • After compression 308.6 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

-4%

Potential reduce by 3.5 kB

  • Original 96.0 kB
  • After minification 96.0 kB
  • After compression 92.6 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. Sache.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (58%)

Requests Now

52

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SAChE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sache.org

sache.org

49 ms

safety-and-chemical-engineering-education-sache

safety-and-chemical-engineering-education-sache

12 ms

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

7 ms

css_G1tYSPRVA0kO4kw4f1T-hoZii8j651C-rMcKsyQIqF4.css

css_G1tYSPRVA0kO4kw4f1T-hoZii8j651C-rMcKsyQIqF4.css

17 ms

css_LVk8ZP9ui3cP1MmOqNbx7UjYpLBBJK5cdV3wu2wZJaY.css

css_LVk8ZP9ui3cP1MmOqNbx7UjYpLBBJK5cdV3wu2wZJaY.css

31 ms

gpt.js

gpt.js

157 ms

cse.js

cse.js

103 ms

js_XexEZhbTmj1BHeajKr2rPfyR8Y68f4rm0Nv3Vj5_dSI.js

js_XexEZhbTmj1BHeajKr2rPfyR8Y68f4rm0Nv3Vj5_dSI.js

24 ms

js_-jenMcWHoY-_YofME9QdfIdN78Hvtfo2npip2cxdObU.js

js_-jenMcWHoY-_YofME9QdfIdN78Hvtfo2npip2cxdObU.js

27 ms

js_PlpfrwycsBj2-yq1_DGkY8xMte4lMmdgFOHb5Arb9Co.js

js_PlpfrwycsBj2-yq1_DGkY8xMte4lMmdgFOHb5Arb9Co.js

67 ms

google_service.js

google_service.js

138 ms

js_U8AeFmH11demlz2Z-43p54Jwz5joXVkdfkImoI_XASk.js

js_U8AeFmH11demlz2Z-43p54Jwz5joXVkdfkImoI_XASk.js

27 ms

js

js

122 ms

js_09lzpVYYDBkElF9RFL6uc0p67QqDANXVvWY3aRZwVwc.js

js_09lzpVYYDBkElF9RFL6uc0p67QqDANXVvWY3aRZwVwc.js

66 ms

js_NlkbLwvFDQBUGx8xUq1nC3DcK_qovvHF7RuFT0Zi254.js

js_NlkbLwvFDQBUGx8xUq1nC3DcK_qovvHF7RuFT0Zi254.js

72 ms

fb_tkpx.1288275477958258.js

fb_tkpx.1288275477958258.js

71 ms

fb_tkpx.648005146704418.js

fb_tkpx.648005146704418.js

71 ms

fb_tkpx.375779741103945.js

fb_tkpx.375779741103945.js

71 ms

js_U5zGAhcKFu1dV9NTMS8_CNTcOy1GufCnyf4FHxVtYTQ.js

js_U5zGAhcKFu1dV9NTMS8_CNTcOy1GufCnyf4FHxVtYTQ.js

71 ms

pubads_impl.js

pubads_impl.js

30 ms

aiche-share.png

aiche-share.png

203 ms

external-link--grayscale-100.svg

external-link--grayscale-100.svg

144 ms

logo.svg

logo.svg

148 ms

grayscale-100.svg

grayscale-100.svg

150 ms

green-65.svg

green-65.svg

146 ms

blue-20.svg

blue-20.svg

144 ms

shutterstock_664935280_0.jpg

shutterstock_664935280_0.jpg

150 ms

optig24_hero_b_image_fnl.jpg

optig24_hero_b_image_fnl.jpg

151 ms

082024cep.jpg

082024cep.jpg

152 ms

202407_cep.jpg

202407_cep.jpg

151 ms

shutterstock1532955209.jpg

shutterstock1532955209.jpg

153 ms

ccps_logo_vector_ol_cmyk_noata.png

ccps_logo_vector_ol_cmyk_noata.png

151 ms

sache_logo_574x380.png

sache_logo_574x380.png

152 ms

65d75eb0-2601-4da5-a9a4-9ee67a470a59.woff

65d75eb0-2601-4da5-a9a4-9ee67a470a59.woff

6 ms

c9aeeabd-dd65-491d-b4be-3e0db9ae47a0.woff

c9aeeabd-dd65-491d-b4be-3e0db9ae47a0.woff

7 ms

61bd362e-7162-46bd-b67e-28f366c4afbe.woff

61bd362e-7162-46bd-b67e-28f366c4afbe.woff

6 ms

arrow--up--grayscale-45.svg

arrow--up--grayscale-45.svg

75 ms

arrow--up--grayscale-100.svg

arrow--up--grayscale-100.svg

74 ms

share.svg

share.svg

76 ms

cse_element__en.js

cse_element__en.js

85 ms

default+en.css

default+en.css

108 ms

default.css

default.css

112 ms

gtm.js

gtm.js

122 ms

sp.js

sp.js

529 ms

insight.min.js

insight.min.js

539 ms

boomerang.min.js

boomerang.min.js

540 ms

fbevents.js

fbevents.js

548 ms

async-ads.js

async-ads.js

251 ms

branding.png

branding.png

242 ms

clear.png

clear.png

91 ms

analytics.js

analytics.js

136 ms

0601.js

0601.js

168 ms

oribi.js

oribi.js

54 ms

1288275477958258

1288275477958258

86 ms

collect

collect

19 ms

collect

collect

5 ms

648005146704418

648005146704418

52 ms

375779741103945

375779741103945

56 ms

Accessibility Review

sache.org accessibility score

87

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

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

Best Practices

sache.org 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

High

Page has valid source maps

SEO Factors

sache.org SEO score

86

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

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 Sache.org 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 Sache.org 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

sache.org

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