Tools & Wizards About Us
osamc.com screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

osamc.com

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Page Load Speed

2.4 sec in total

First Response

472 ms

Resources Loaded

1.7 sec

Page Rendered

199 ms

osamc.com screenshot

About Website

Visit osamc.com now to see the best up-to-date Osamc content and also check out these interesting facts you probably never knew about osamc.com

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Key Findings

We analyzed Osamc.com page load time and found that the first response time was 472 ms and then it took 1.9 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

osamc.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.079

94/100

15%

TTI (Time to Interactive)

Value6.5 s

58/100

10%

Network Requests Diagram

osamc.com

472 ms

ssgs.css

137 ms

ddlevelsmenu-base.css

135 ms

ddlevelsmenu-topbar.css

138 ms

dropdown.js

243 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 98% of them (41 requests) were addressed to the original Osamc.com, 2% (1 request) were made to S10.flagcounter.com. The less responsive or slowest element that took the longest time to load (922 ms) belongs to the original domain Osamc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 160.1 kB (35%)

Content Size

459.2 kB

After Optimization

299.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Osamc.com main page is 459.2 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. 25% of websites need less resources to load. Images take 402.0 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 32.5 kB

  • Original 36.4 kB
  • After minification 24.5 kB
  • After compression 3.9 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. This page needs HTML code to be minified as it can gain 11.9 kB, which is 33% 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 32.5 kB or 89% of the original size.

Image Optimization

-28%

Potential reduce by 111.1 kB

  • Original 402.0 kB
  • After minification 290.9 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, Osamc needs image optimization as it can save up to 111.1 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-80%

Potential reduce by 14.3 kB

  • Original 17.8 kB
  • After minification 13.1 kB
  • After compression 3.5 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 14.3 kB or 80% of the original size.

CSS Optimization

-73%

Potential reduce by 2.2 kB

  • Original 3.0 kB
  • After minification 2.0 kB
  • After compression 809 B

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. Osamc.com needs all CSS files to be minified and compressed as it can save up to 2.2 kB or 73% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

40

After Optimization

40

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osamc. According to our analytics all requests are already optimized.

Network Requests Diagram

osamc.com

osamc.com

472 ms

ssgs.css

ssgs.css

137 ms

ddlevelsmenu-base.css

ddlevelsmenu-base.css

135 ms

ddlevelsmenu-topbar.css

ddlevelsmenu-topbar.css

138 ms

dropdown.js

dropdown.js

243 ms

CSS.css

CSS.css

152 ms

146 ms

green.png

green.png

90 ms

login.png

login.png

134 ms

register.png

register.png

136 ms

middle.png

middle.png

134 ms

logo.png

logo.png

203 ms

red.png

red.png

147 ms

dod.png

dod.png

246 ms

line.jpg

line.jpg

268 ms

cover.png

cover.png

600 ms

dod-02.png

dod-02.png

275 ms

TOP.png

TOP.png

279 ms

MIDDLE-02.png

MIDDLE-02.png

352 ms

LAST-02.png

LAST-02.png

376 ms

LAST-03.png

LAST-03.png

401 ms

TOP-1.jpg

TOP-1.jpg

470 ms

TOP-02.jpg

TOP-02.jpg

429 ms

TOP-05.jpg

TOP-05.jpg

498 ms

ARROW.png

ARROW.png

508 ms

10.jpg

10.jpg

533 ms

TOP-03.jpg

TOP-03.jpg

563 ms

TOP-04.jpg

TOP-04.jpg

666 ms

FACE.png

FACE.png

649 ms

TWI.png

TWI.png

660 ms

GOO.png

GOO.png

689 ms

IN.png

IN.png

712 ms

RSS.png

RSS.png

728 ms

YOU.png

YOU.png

779 ms

P.png

P.png

791 ms

10.png

10.png

798 ms

red-02.png

red-02.png

841 ms

paty.png

paty.png

846 ms

cc-by-sa.png

cc-by-sa.png

859 ms

last.png

last.png

922 ms

register-roll.png

register-roll.png

82 ms

login-roll.png

login-roll.png

134 ms

Accessibility Review

osamc.com accessibility score

89

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.

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

osamc.com 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

SEO Factors

osamc.com SEO score

92

Search Engine Optimization Advices

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osamc.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Osamc.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

osamc.com

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