Tools & Wizards About Us
mechbbs.com screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

mechbbs.com

mechbbs论坛 - CAD/CAE/MSC论坛

Page Load Speed

6 sec in total

First Response

680 ms

Resources Loaded

5.1 sec

Page Rendered

236 ms

mechbbs.com screenshot

About Website

Welcome to mechbbs.com homepage info - get ready to check Mechbbs best content for Germany right away, or after learning these important things about mechbbs.com

mechbbs论坛是海外最大的中文CAD , CAE , MSC学习网站。论坛主要板块：abaqus , hypermesh , ansys , ModelEx和Ls-Dyna板块。CAD板块包括：CAXA , AutoCAD , Solidworks , Pro/e , Catia和UG（NX）板块。

Visit mechbbs.com

Key Findings

We analyzed Mechbbs.com page load time and found that the first response time was 680 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

mechbbs.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.9 s

17/100

10%

Network Requests Diagram

mechbbs.com

680 ms

style_1_common.css

485 ms

style_1_forum_index.css

419 ms

common.js

632 ms

style_1_widthauto.css

420 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 79% of them (52 requests) were addressed to the original Mechbbs.com, 5% (3 requests) were made to Cdn.dingxiang-inc.com and 5% (3 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source Static4.dingxiang-inc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 326.1 kB (13%)

Content Size

2.5 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mechbbs.com main page is 2.5 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. 55% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 76.3 kB

  • Original 117.3 kB
  • After minification 116.7 kB
  • After compression 41.0 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 76.3 kB or 65% of the original size.

Image Optimization

-12%

Potential reduce by 246.2 kB

  • Original 2.0 MB
  • After minification 1.8 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. Obviously, Mechbbs needs image optimization as it can save up to 246.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 3.4 kB

  • Original 311.0 kB
  • After minification 311.0 kB
  • After compression 307.6 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

-1%

Potential reduce by 171 B

  • Original 16.9 kB
  • After minification 16.9 kB
  • After compression 16.8 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. Mechbbs.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (33%)

Requests Now

64

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mechbbs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

mechbbs.com

mechbbs.com

680 ms

style_1_common.css

style_1_common.css

485 ms

style_1_forum_index.css

style_1_forum_index.css

419 ms

common.js

common.js

632 ms

style_1_widthauto.css

style_1_widthauto.css

420 ms

forum.js

forum.js

426 ms

logging.js

logging.js

433 ms

index.js

index.js

223 ms

forum_slide.js

forum_slide.js

626 ms

script.js

script.js

397 ms

adsbygoogle.js

adsbygoogle.js

34 ms

background.png

background.png

872 ms

logo.png

logo.png

270 ms

collapsed_no.gif

collapsed_no.gif

217 ms

common_2_icon.png

common_2_icon.png

218 ms

common_44_icon.png

common_44_icon.png

220 ms

common_45_icon.png

common_45_icon.png

224 ms

common_38_icon.jpg

common_38_icon.jpg

220 ms

common_39_icon.jpg

common_39_icon.jpg

423 ms

common_47_icon.jpg

common_47_icon.jpg

434 ms

common_48_icon.png

common_48_icon.png

433 ms

common_49_icon.jpg

common_49_icon.jpg

427 ms

common_40_icon.jpg

common_40_icon.jpg

437 ms

common_41_icon.jpg

common_41_icon.jpg

491 ms

common_50_icon.jpg

common_50_icon.jpg

637 ms

common_51_icon.jpg

common_51_icon.jpg

652 ms

common_52_icon.jpg

common_52_icon.jpg

648 ms

common_53_icon.jpg

common_53_icon.jpg

653 ms

common_54_icon.png

common_54_icon.png

652 ms

common_46_icon.jpg

common_46_icon.jpg

705 ms

collapsed_yes.gif

collapsed_yes.gif

848 ms

ad_close.gif

ad_close.gif

865 ms

switch_width.png

switch_width.png

879 ms

common_45_icon.png

common_45_icon.png

436 ms

222951vdgcggjz5l1p5ca6.jpg

222951vdgcggjz5l1p5ca6.jpg

713 ms

px.png

px.png

855 ms

newarow.gif

newarow.gif

979 ms

pn.png

pn.png

978 ms

222833sjws6sbzksrjn2s2.jpg

222833sjws6sbzksrjn2s2.jpg

956 ms

nv.png

nv.png

955 ms

qmenu.png

qmenu.png

2102 ms

nv_a.png

nv_a.png

2103 ms

search.png

search.png

2102 ms

pt_item.png

pt_item.png

2083 ms

chart.png

chart.png

2084 ms

category_lbg.png

category_lbg.png

2085 ms

tb.png

tb.png

2085 ms

loading.gif

loading.gif

760 ms

101712ph52kg225h4254ho.png

101712ph52kg225h4254ho.png

2063 ms

194737ppmcf6kac22e36lp.jpg

194737ppmcf6kac22e36lp.jpg

2060 ms

131002aqqwo99t9tt2q0c2.jpg

131002aqqwo99t9tt2q0c2.jpg

2084 ms

140334aoed46v3aonlnah4.jpg

140334aoed46v3aonlnah4.jpg

2062 ms

dot.gif

dot.gif

2056 ms

titlebg.png

titlebg.png

2057 ms

index.js

index.js

14 ms

greenseer.js

greenseer.js

11 ms

newaws5.php

newaws5.php

2043 ms

hm.js

hm.js

2034 ms

scrolltop.png

scrolltop.png

1973 ms

a

a

558 ms

c1

c1

198 ms

67e17c959c3048b583d37498102f30e1.jpg

67e17c959c3048b583d37498102f30e1.jpg

2669 ms

3227485d0ecc4b5f8e7cb46e8f3583da.png

3227485d0ecc4b5f8e7cb46e8f3583da.png

3161 ms

hm.js

hm.js

963 ms

c1

c1

212 ms

hm.gif

hm.gif

309 ms

Accessibility Review

mechbbs.com accessibility score

60

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

High

Some elements have a [tabindex] value greater than 0

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

mechbbs.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

mechbbs.com SEO score

62

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mechbbs.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 Mechbbs.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

mechbbs.com

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