2.8 sec in total
353 ms
2.2 sec
237 ms
Visit inst.black-iz.com now to see the best up-to-date Inst BLACK Iz content for Bangladesh and also check out these interesting facts you probably never knew about inst.black-iz.com
Welcome to BLACK iz IT Institute. BLACK iz IT Institute is one of the most popular IT training center in Bangladesh.
Visit inst.black-iz.comWe analyzed Inst.black-iz.com page load time and found that the first response time was 353 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
inst.black-iz.com performance score
name
value
score
weighting
Value2.1 s
80/100
10%
Value7.1 s
5/100
25%
Value4.8 s
67/100
10%
Value100 ms
98/100
30%
Value0
100/100
15%
Value6.9 s
54/100
10%
353 ms
191 ms
189 ms
188 ms
188 ms
Our browser made a total of 88 requests to load all elements on the main page. We found that 56% of them (49 requests) were addressed to the original Inst.black-iz.com, 8% (7 requests) were made to It.black-iz.com and 7% (6 requests) were made to W.sharethis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Inst.black-iz.com.
Page size can be reduced by 601.1 kB (40%)
1.5 MB
909.4 kB
In fact, the total size of Inst.black-iz.com main page is 1.5 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 744.5 kB which makes up the majority of the site volume.
Potential reduce by 27.6 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 27.6 kB or 74% of the original size.
Potential reduce by 29.8 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. Inst BLACK Iz images are well optimized though.
Potential reduce by 513.0 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 513.0 kB or 74% of the original size.
Potential reduce by 30.6 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. Inst.black-iz.com needs all CSS files to be minified and compressed as it can save up to 30.6 kB or 80% of the original size.
Number of requests can be reduced by 27 (34%)
79
52
The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Inst BLACK Iz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
inst.black-iz.com
353 ms
ddsmoothmenu.css
191 ms
templatemo_style.css
189 ms
orman.css
188 ms
nivo-slider.css
188 ms
jquery.min.js
343 ms
ddsmoothmenu.js
236 ms
slimbox2.css
362 ms
slimbox2.js
363 ms
buttons.js
71 ms
loader.js
116 ms
jquery-1.6.1.min.js
511 ms
jquery.nivo.slider.pack.js
450 ms
async-buttons.js
24 ms
pview
21 ms
black-iz-it-sloution.jpg
333 ms
templatemo_header.png
102 ms
banglablackizitinstite.png
186 ms
05.jpg
331 ms
01.jpg
329 ms
02.jpg
369 ms
03.jpg
496 ms
04.jpg
487 ms
computerlabofblackizitinstitute.jpg
522 ms
seocoursefrombangladersh.jpg
509 ms
webdesignfrombangladesh.jpg
507 ms
webdevelopmentbangladesh.jpg
600 ms
graphicdesignfrombangladesh.jpg
687 ms
freele3ncingandoutsourcing.jpg
686 ms
phpdevelopmentdhaka.jpg
687 ms
wordpresscustomizationbd.jpg
687 ms
photoedetingdhaka.jpg
680 ms
microsoftofficebangladesh.jpg
912 ms
templatemo_image_06.jpg
886 ms
templatemo_image_07.jpg
881 ms
templatemo_image_08.jpg
884 ms
templatemo_image_09.jpg
885 ms
templatemo_image_10.jpg
879 ms
templatemo_image_11.jpg
1043 ms
templatemo_image_12.jpg
1048 ms
templatemo_image_13.jpg
1053 ms
templatemo_image_14.jpg
1052 ms
sms-marketing-solution-bulk-sms.jpg
342 ms
black-iz-webs-featured.jpg
263 ms
soft-coders-software.jpg
338 ms
inexterior-interior-extarior-design.jpg
247 ms
black-iz-it-institute-training.jpg
336 ms
about-black-iz.jpg
411 ms
all.js
8 ms
templatemo_logo.png
1207 ms
templatemo_search.png
1071 ms
templatemo_menu_hover.png
1229 ms
templatemo_menu_item.jpg
1233 ms
ribbon.png
1225 ms
loading.gif
1228 ms
slider_nav_bg.png
1229 ms
sc
57 ms
buttons.e80452d5e7cc382dad89d10f50bde247.css
35 ms
p.js
7 ms
58 ms
0sTQzbapM8j.js
18 ms
0sTQzbapM8j.js
30 ms
t.dhj
39 ms
t.dhj
57 ms
ping
33 ms
templatemo_bullet.png
1205 ms
templatemo_button.png
1224 ms
templatemo_image_frame_14.png
1223 ms
t_.js
4 ms
generic
5 ms
csx
4 ms
pixel
13 ms
generic
3 ms
ttd
3 ms
tpid=CvQDB1mvsmgAAAASKrr3Aw%3D%3D
10 ms
cs
2 ms
pixel
12 ms
cs
4 ms
7 ms
50962
171 ms
nlsn
2 ms
generic
15 ms
5386
100 ms
index.37b4b85c83ff6e0b734bb117f0024eb0.html
34 ms
stcommon.0128627f929f0b889d3ed3a92817130e.js
4 ms
st.a5142d7623949e27681f588633849ba8.js
6 ms
arrows.png
104 ms
slider_nav_button.png
103 ms
inst.black-iz.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
The document uses <meta http-equiv="refresh">
inst.black-iz.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
inst.black-iz.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Inst.black-iz.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Inst.black-iz.com main page’s claimed encoding is . 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.
inst.black-iz.com
Open Graph description is not detected on the main page of Inst BLACK Iz. 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: