4.4 sec in total
692 ms
3 sec
713 ms
Click here to check amazing English First content for Indonesia. Otherwise, check out these important facts you probably never knew about englishfirst.co.id
EF English First or Education first is an education institution with international standard since 1965 which offers the best option in Indonesia for Learning English Language, High School Abroad, Stud...
Visit englishfirst.co.idWe analyzed Englishfirst.co.id page load time and found that the first response time was 692 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
englishfirst.co.id performance score
name
value
score
weighting
Value3.2 s
43/100
10%
Value11.8 s
0/100
25%
Value7.6 s
25/100
10%
Value2,670 ms
4/100
30%
Value0.007
100/100
15%
Value18.9 s
3/100
10%
692 ms
702 ms
202 ms
165 ms
207 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Englishfirst.co.id, 30% (18 requests) were made to Et1.ef-cdn.com and 30% (18 requests) were made to Et2.ef-cdn.com. The less responsive or slowest element that took the longest time to load (740 ms) relates to the external source Ef.co.id.
Page size can be reduced by 115.9 kB (19%)
621.4 kB
505.4 kB
In fact, the total size of Englishfirst.co.id main page is 621.4 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. 45% of websites need less resources to load. Images take 435.1 kB which makes up the majority of the site volume.
Potential reduce by 47.9 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 11.1 kB, which is 18% 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 47.9 kB or 78% of the original size.
Potential reduce by 13.9 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. English First images are well optimized though.
Potential reduce by 54.2 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 54.2 kB or 43% of the original size.
Number of requests can be reduced by 25 (46%)
54
29
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of English First. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
englishfirst.co.id
692 ms
default.aspx
702 ms
common.aspx
202 ms
temp.aspx
165 ms
jquery-ui.aspx
207 ms
newsplash.aspx
166 ms
ETFileMergeHandler.ashx
378 ms
jquery.qrcode.min.js
740 ms
tracking.js
560 ms
s_code.aspx
13 ms
DynamicJavaScript.ashx
678 ms
watch.js
198 ms
conversion.js
46 ms
watch.js
571 ms
frame_bg.jpg
26 ms
logo_in.gif
27 ms
kids-english_id.jpg
31 ms
academy-program_id.jpg
27 ms
fraction.png
27 ms
adults-english_id.jpg
32 ms
language-travel_id.jpg
26 ms
teens-english_id.jpg
31 ms
hult-program_id.jpg
27 ms
corporate-english_id.jpg
32 ms
footer_bg_bottom.gif
29 ms
gtm.js
103 ms
bg_repeat_v.jpg
89 ms
csg-tags.gif
90 ms
validation_top.png
39 ms
line.gif
34 ms
dot.gif
37 ms
arrow.gif
40 ms
footerBlock_newline.gif
42 ms
validation_middle.png
40 ms
error_alert_listbg.png
93 ms
validation_bottom.png
89 ms
footer_bg_top.gif
94 ms
csg-header_in.gif
91 ms
adults-english-courses_id.jpg
58 ms
language-travel-courses_id.jpg
72 ms
kids-english-courses_id.jpg
78 ms
teens-english-courses_id.jpg
74 ms
academy-programs_id.jpg
75 ms
hult-programs_id.jpg
78 ms
corporate-english-courses_id.jpg
79 ms
analytics.js
209 ms
conversion_async.js
207 ms
264 ms
s31884466570336
239 ms
advert.gif
220 ms
contactus.aspx
360 ms
json
181 ms
collect
27 ms
19 ms
110 ms
collect
116 ms
107 ms
88 ms
ga-audiences
18 ms
1
92 ms
form_mark.gif
5 ms
englishfirst.co.id accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-hidden="true"] elements contain focusable descendents
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
englishfirst.co.id best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
englishfirst.co.id SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
ID
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Englishfirst.co.id can be misinterpreted by Google and other search engines. Our service has detected that 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 Englishfirst.co.id 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.
englishfirst.co.id
Open Graph description is not detected on the main page of English First. 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: